Merge 10.4 into 10.5

2025-08-08 11:22:35 +03:00 · 2020-01-28 14:17:09 +02:00
parent a915142f48 bc89105496
commit a983b24407
314 changed files with 3718 additions and 1185 deletions
--- a/cmake/cpack_rpm.cmake
+++ b/cmake/cpack_rpm.cmake
@@ -100,8 +100,11 @@ SET(ignored
  "%ignore /etc"
  "%ignore /etc/init.d"
  "%ignore /etc/logrotate.d"
+  "%ignore /etc/security"
  "%ignore /etc/systemd"
  "%ignore /etc/systemd/system"
+  "%ignore /lib"
+  "%ignore /lib/security"
  "%ignore ${CMAKE_INSTALL_PREFIX}"
  "%ignore ${CMAKE_INSTALL_PREFIX}/bin"
  "%ignore ${CMAKE_INSTALL_PREFIX}/include"
--- a/cmake/install_layout.cmake
+++ b/cmake/install_layout.cmake
@@ -139,11 +139,10 @@ SET(INSTALL_SYSCONF2DIR_RPM             "/etc/my.cnf.d")
 #
 IF(CMAKE_SIZEOF_VOID_P EQUAL 8)
  SET(INSTALL_LIBDIR_RPM                "lib64")
-  SET(INSTALL_PLUGINDIR_RPM             "lib64/mysql/plugin")
 ELSE()
  SET(INSTALL_LIBDIR_RPM                "lib")
-  SET(INSTALL_PLUGINDIR_RPM             "lib/mysql/plugin")
 ENDIF()
+SET(INSTALL_PLUGINDIR_RPM               "${INSTALL_LIBDIR_RPM}/mysql/plugin")
 #
 SET(INSTALL_INCLUDEDIR_RPM              "include/mysql")
 #
@@ -164,6 +163,7 @@ SET(INSTALL_UNIX_ADDRDIR_RPM            "${INSTALL_MYSQLDATADIR_RPM}/mysql.sock"
 SET(INSTALL_SYSTEMD_UNITDIR_RPM         "/usr/lib/systemd/system")
 SET(INSTALL_SYSTEMD_SYSUSERSDIR_RPM     "/usr/lib/sysusers.d")
 SET(INSTALL_SYSTEMD_TMPFILESDIR_RPM     "/usr/lib/tmpfiles.d")
+SET(INSTALL_PAMDIR_RPM                  "/lib/security")

 #
 # DEB layout
@@ -196,6 +196,11 @@ SET(INSTALL_UNIX_ADDRDIR_DEB            "/var/run/mysqld/mysqld.sock")
 SET(INSTALL_SYSTEMD_UNITDIR_DEB         "/lib/systemd/system")
 SET(INSTALL_SYSTEMD_SYSUSERSDIR_DEB     "/usr/lib/sysusers.d")
 SET(INSTALL_SYSTEMD_TMPFILESDIR_DEB     "/usr/lib/tmpfiles.d")
+IF(CMAKE_SIZEOF_VOID_P EQUAL 8)
+  SET(INSTALL_PAMDIR_DEB                  "/lib/x86_64-linux-gnu/security")
+ELSE()
+  SET(INSTALL_PAMDIR_DEB                  "/lib/i386-linux-gnu/security")
+ENDIF()

 #
 # SVR4 layout
@@ -235,17 +240,18 @@ SET(OLD_INSTALL_LAYOUT ${INSTALL_LAYOUT} CACHE INTERNAL "")
 # Set INSTALL_FOODIR variables for chosen layout (for example, INSTALL_BINDIR
 # will be defined  as ${INSTALL_BINDIR_STANDALONE} by default if STANDALONE
 # layout is chosen)
-FOREACH(var BIN SBIN LIB MYSQLSHARE SHARE PLUGIN INCLUDE SCRIPT DOC MAN SYSCONF SYSCONF2
-    INFO MYSQLTEST SQLBENCH DOCREADME SUPPORTFILES MYSQLDATA UNIX_ADDR
-    SYSTEMD_UNIT SYSTEMD_SYSUSERS SYSTEMD_TMPFILES)
-  SET(INSTALL_${var}DIR  ${INSTALL_${var}DIR_${INSTALL_LAYOUT}}
-  CACHE STRING "${var} installation directory" ${FORCE})
-  MARK_AS_ADVANCED(INSTALL_${var}DIR)
+GET_CMAKE_PROPERTY(ALL_VARS VARIABLES)
+FOREACH (V ${ALL_VARS})
+  IF (V MATCHES "^(INSTALL_([A-Z_0-9]+)DIR)_${INSTALL_LAYOUT}$")
+    SET(var ${CMAKE_MATCH_1})
+    SET(${var} "${${V}}" CACHE STRING "${CMAKE_MATCH_2} installation directory" ${FORCE})
+    MARK_AS_ADVANCED(${var})

-  IF(IS_ABSOLUTE ${INSTALL_${var}DIR})
-    SET(INSTALL_${var}DIRABS ${INSTALL_${var}DIR})
+    IF(IS_ABSOLUTE "${${var}}")
+      SET(${var}ABS "${${var}}")
    ELSE()
-    SET(INSTALL_${var}DIRABS "${CMAKE_INSTALL_PREFIX}/${INSTALL_${var}DIR}")
+      SET(${var}ABS "${CMAKE_INSTALL_PREFIX}/${${var}}")
+    ENDIF()
  ENDIF()
 ENDFOREACH()

--- a/debian/mariadb-server-10.5.install
+++ b/debian/mariadb-server-10.5.install
@@ -4,7 +4,9 @@ debian/additions/echo_stderr usr/share/mysql
 debian/additions/mysql.init usr/share/mysql
 debian/additions/mysqld_safe_syslog.cnf etc/mysql/conf.d
 etc/apparmor.d/usr.sbin.mysqld
+etc/security/user_map.conf
 lib/systemd/system/mariadb@bootstrap.service.d/use_galera_new_cluster.conf
+lib/*/security/pam_user_map.so
 usr/bin/aria_chk
 usr/bin/aria_dump_log
 usr/bin/aria_ftdump
--- a/extra/mariabackup/CMakeLists.txt
+++ b/extra/mariabackup/CMakeLists.txt
@@ -97,7 +97,7 @@ ENDIF()


 ########################################################################
-# xbstream binary
+# mbstream binary
 ########################################################################
 MYSQL_ADD_EXECUTABLE(mbstream
  ds_buffer.cc
--- a/extra/mariabackup/innobackupex.cc
+++ b/extra/mariabackup/innobackupex.cc
@@ -586,8 +586,8 @@ static struct my_option ibx_long_options[] =
 	{"stream", OPT_STREAM, "This option specifies the format in which to "
 	 "do the streamed backup.  The option accepts a string argument. The "
 	 "backup will be done to STDOUT in the specified format. Currently, "
-	 "the only supported formats are tar and xbstream. This option is "
-	 "passed directly to xtrabackup's --stream option.",
+	 "the only supported formats are tar and mbstream/xbstream. This "
+	 "option is passed directly to xtrabackup's --stream option.",
 	 (uchar*) &ibx_xtrabackup_stream_str,
 	 (uchar*) &ibx_xtrabackup_stream_str, 0, GET_STR,
 	 REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
@@ -655,7 +655,7 @@ innobackupex [--compress] [--compress-threads=NUMBER-OF-THREADS] [--compress-chu
             [--include=REGEXP] [--user=NAME]\n\
             [--password=WORD] [--port=PORT] [--socket=SOCKET]\n\
             [--no-timestamp] [--ibbackup=IBBACKUP-BINARY]\n\
-             [--slave-info] [--galera-info] [--stream=tar|xbstream]\n\
+             [--slave-info] [--galera-info] [--stream=tar|mbstream|xbstream]\n\
             [--defaults-file=MY.CNF] [--defaults-group=GROUP-NAME]\n\
             [--databases=LIST] [--no-lock] \n\
             [--tmpdir=DIRECTORY] [--tables-file=FILE]\n\
@@ -750,7 +750,8 @@ ibx_get_one_option(const struct my_option *opt,
 		}
 		break;
 	case OPT_STREAM:
-    if (!strcasecmp(argument, "xbstream"))
+		if (!strcasecmp(argument, "mbstream") ||
+		    !strcasecmp(argument, "xbstream"))
 			xtrabackup_stream_fmt = XB_STREAM_FMT_XBSTREAM;
 		else {
 			ibx_msg("Invalid --stream argument: %s\n", argument);
--- a/extra/mariabackup/xtrabackup.cc
+++ b/extra/mariabackup/xtrabackup.cc
@@ -906,7 +906,7 @@ struct my_option xb_client_options[] =

  {"stream", OPT_XTRA_STREAM, "Stream all backup files to the standard output "
   "in the specified format." 
-   "Supported format is 'xbstream'."
+   "Supported format is 'mbstream' or 'xbstream'."
   ,
   (G_PTR*) &xtrabackup_stream_str, (G_PTR*) &xtrabackup_stream_str, 0, GET_STR,
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
@@ -1707,7 +1707,8 @@ xb_get_one_option(const struct my_option *opt,
    xtrabackup_target_dir= xtrabackup_real_target_dir;
    break;
  case OPT_XTRA_STREAM:
-    if (!strcasecmp(argument, "xbstream"))
+    if (!strcasecmp(argument, "mbstream") ||
+        !strcasecmp(argument, "xbstream"))
      xtrabackup_stream_fmt = XB_STREAM_FMT_XBSTREAM;
    else
    {
--- a/extra/wolfssl/CMakeLists.txt
+++ b/extra/wolfssl/CMakeLists.txt
@@ -39,7 +39,7 @@ ADD_DEFINITIONS(-DWOLFSSL_LIB -DBUILDING_WOLFSSL)
 INCLUDE_DIRECTORIES(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/wolfssl)
 IF(MSVC)
  # size_t to long truncation warning
-  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -wd4267 -wd4334")
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -wd4267 -wd4334 -wd4028")
 ENDIF()

 ADD_CONVENIENCE_LIBRARY(wolfssl ${WOLFSSL_SOURCES})
--- a/extra/wolfssl/wolfssl
+++ b/extra/wolfssl/wolfssl
--- a/include/mysql/psi/mysql_file.h
+++ b/include/mysql/psi/mysql_file.h
@@ -1,13 +1,20 @@
 /* Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.

  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; version 2 of the License.
+  it under the terms of the GNU General Public License, version 2.0,
+  as published by the Free Software Foundation.
+
+  This program is also distributed with certain software (including
+  but not limited to OpenSSL) that is licensed under separate terms,
+  as designated in a particular file or component or in included license
+  documentation.  The authors of MySQL hereby grant you an additional
+  permission to link the program and your derivative works with the
+  separately licensed software that they have included with MySQL.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
+  GNU General Public License, version 2.0, for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software Foundation,
--- a/include/mysql/psi/mysql_idle.h
+++ b/include/mysql/psi/mysql_idle.h
@@ -2,13 +2,20 @@
   Copyright (c) 2017, MariaDB Corporation.

  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; version 2 of the License.
+  it under the terms of the GNU General Public License, version 2.0,
+  as published by the Free Software Foundation.
+
+  This program is also distributed with certain software (including
+  but not limited to OpenSSL) that is licensed under separate terms,
+  as designated in a particular file or component or in included license
+  documentation.  The authors of MySQL hereby grant you an additional
+  permission to link the program and your derivative works with the
+  separately licensed software that they have included with MySQL.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
+  GNU General Public License, version 2.0, for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software Foundation,
--- a/include/mysql/psi/mysql_socket.h
+++ b/include/mysql/psi/mysql_socket.h
@@ -1,15 +1,21 @@
 /* Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
   Copyright (c) 2017, MariaDB Corporation.

-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License as
-published by the Free Software Foundation; version 2 of the
-License.
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License, version 2.0,
+as published by the Free Software Foundation.
+
+This program is also distributed with certain software (including
+but not limited to OpenSSL) that is licensed under separate terms,
+as designated in a particular file or component or in included license
+documentation.  The authors of MySQL hereby grant you an additional
+permission to link the program and your derivative works with the
+separately licensed software that they have included with MySQL.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+GNU General Public License, version 2.0, for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
--- a/include/mysql/psi/mysql_stage.h
+++ b/include/mysql/psi/mysql_stage.h
@@ -1,13 +1,20 @@
 /* Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.   

  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; version 2 of the License.
+  it under the terms of the GNU General Public License, version 2.0,
+  as published by the Free Software Foundation.
+
+  This program is also distributed with certain software (including
+  but not limited to OpenSSL) that is licensed under separate terms,
+  as designated in a particular file or component or in included license
+  documentation.  The authors of MySQL hereby grant you an additional
+  permission to link the program and your derivative works with the
+  separately licensed software that they have included with MySQL.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
+  GNU General Public License, version 2.0, for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
--- a/include/mysql/psi/mysql_statement.h
+++ b/include/mysql/psi/mysql_statement.h
@@ -2,13 +2,20 @@
   Copyright (c) 2017, MariaDB Corporation.

  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; version 2 of the License.
+  it under the terms of the GNU General Public License, version 2.0,
+  as published by the Free Software Foundation.
+
+  This program is also distributed with certain software (including
+  but not limited to OpenSSL) that is licensed under separate terms,
+  as designated in a particular file or component or in included license
+  documentation.  The authors of MySQL hereby grant you an additional
+  permission to link the program and your derivative works with the
+  separately licensed software that they have included with MySQL.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
+  GNU General Public License, version 2.0, for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
--- a/include/mysql/psi/mysql_table.h
+++ b/include/mysql/psi/mysql_table.h
@@ -2,13 +2,20 @@
   Copyright (c) 2017, MariaDB Corporation.

  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; version 2 of the License.
+  it under the terms of the GNU General Public License, version 2.0,
+  as published by the Free Software Foundation.
+
+  This program is also distributed with certain software (including
+  but not limited to OpenSSL) that is licensed under separate terms,
+  as designated in a particular file or component or in included license
+  documentation.  The authors of MySQL hereby grant you an additional
+  permission to link the program and your derivative works with the
+  separately licensed software that they have included with MySQL.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
+  GNU General Public License, version 2.0, for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software Foundation,
--- a/include/mysql/psi/mysql_thread.h
+++ b/include/mysql/psi/mysql_thread.h
@@ -1,13 +1,20 @@
 /* Copyright (c) 2008, 2013, Oracle and/or its affiliates.

  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; version 2 of the License.
+  it under the terms of the GNU General Public License, version 2.0,
+  as published by the Free Software Foundation.
+
+  This program is also distributed with certain software (including
+  but not limited to OpenSSL) that is licensed under separate terms,
+  as designated in a particular file or component or in included license
+  documentation.  The authors of MySQL hereby grant you an additional
+  permission to link the program and your derivative works with the
+  separately licensed software that they have included with MySQL.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
+  GNU General Public License, version 2.0, for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software Foundation,
--- a/include/mysql/psi/psi.h
+++ b/include/mysql/psi/psi.h
@@ -1,13 +1,20 @@
 /* Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.

  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; version 2 of the License.
+  it under the terms of the GNU General Public License, version 2.0,
+  as published by the Free Software Foundation.
+
+  This program is also distributed with certain software (including
+  but not limited to OpenSSL) that is licensed under separate terms,
+  as designated in a particular file or component or in included license
+  documentation.  The authors of MySQL hereby grant you an additional
+  permission to link the program and your derivative works with the
+  separately licensed software that they have included with MySQL.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
+  GNU General Public License, version 2.0, for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software Foundation,
--- a/include/mysql/psi/psi_abi_v0.h
+++ b/include/mysql/psi/psi_abi_v0.h
@@ -1,13 +1,20 @@
 /* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.

  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; version 2 of the License.
+  it under the terms of the GNU General Public License, version 2.0,
+  as published by the Free Software Foundation.
+
+  This program is also distributed with certain software (including
+  but not limited to OpenSSL) that is licensed under separate terms,
+  as designated in a particular file or component or in included license
+  documentation.  The authors of MySQL hereby grant you an additional
+  permission to link the program and your derivative works with the
+  separately licensed software that they have included with MySQL.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
+  GNU General Public License, version 2.0, for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software Foundation,
--- a/include/mysql/psi/psi_abi_v1.h
+++ b/include/mysql/psi/psi_abi_v1.h
@@ -1,13 +1,20 @@
 /* Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.

  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; version 2 of the License.
+  it under the terms of the GNU General Public License, version 2.0,
+  as published by the Free Software Foundation.
+
+  This program is also distributed with certain software (including
+  but not limited to OpenSSL) that is licensed under separate terms,
+  as designated in a particular file or component or in included license
+  documentation.  The authors of MySQL hereby grant you an additional
+  permission to link the program and your derivative works with the
+  separately licensed software that they have included with MySQL.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
+  GNU General Public License, version 2.0, for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software Foundation,
--- a/include/mysql/psi/psi_abi_v2.h
+++ b/include/mysql/psi/psi_abi_v2.h
@@ -1,13 +1,20 @@
 /* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.

  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; version 2 of the License.
+  it under the terms of the GNU General Public License, version 2.0,
+  as published by the Free Software Foundation.
+
+  This program is also distributed with certain software (including
+  but not limited to OpenSSL) that is licensed under separate terms,
+  as designated in a particular file or component or in included license
+  documentation.  The authors of MySQL hereby grant you an additional
+  permission to link the program and your derivative works with the
+  separately licensed software that they have included with MySQL.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
+  GNU General Public License, version 2.0, for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software Foundation,
--- a/include/ssl_compat.h
+++ b/include/ssl_compat.h
@@ -79,7 +79,9 @@
 #define EVP_CIPHER_CTX_encrypting(ctx)  ((ctx)->encrypt)
 #define EVP_CIPHER_CTX_SIZE             sizeof(EVP_CIPHER_CTX)

+#ifndef HAVE_WOLFSSL
 #define EVP_MD_CTX_reset(X) EVP_MD_CTX_cleanup(X)
+#endif
 #define EVP_CIPHER_CTX_reset(X) EVP_CIPHER_CTX_cleanup(X)
 #define X509_get0_notBefore(X) X509_get_notBefore(X)
 #define X509_get0_notAfter(X) X509_get_notAfter(X)
--- a/include/violite.h
+++ b/include/violite.h
@@ -146,7 +146,9 @@ int vio_getnameinfo(const struct sockaddr *sa,
 /* Set yaSSL to use same type as MySQL do for socket handles */
 typedef my_socket YASSL_SOCKET_T;
 #define YASSL_SOCKET_T_DEFINED
+#define Timeval WOLFSSL_Timeval
 #include <openssl/ssl.h>
+#undef Timeval
 #include <openssl/err.h>

 enum enum_ssl_init_error
--- a/2
+++ b/2
--- a/mysql-test/main/connect_debug.result
+++ b/mysql-test/main/connect_debug.result
@@ -8,3 +8,13 @@ create user 'bad' identified by 'worse';
 ERROR 1045 (28000): Plugin foo/bar could not be loaded: invalid plugin name
 set global debug_dbug=@old_dbug;
 drop user bad;
+set global debug_dbug='+d,increase_srv_handshake_scramble_len';
+connect(localhost,root,,test,MASTER_MYPORT,MYSQL_TMP_DIR/mysqld.1.sock);
+connect con1,localhost,root;
+ERROR HY000: received malformed packet
+set global debug_dbug=@old_dbug;
+set global debug_dbug='+d,poison_srv_handshake_scramble_len';
+connect(localhost,root,,test,MASTER_MYPORT,MYSQL_TMP_DIR/mysqld.1.sock);
+connect con2,localhost,root;
+ERROR HY000: received malformed packet
+set global debug_dbug=@old_dbug;
--- a/mysql-test/main/connect_debug.test
+++ b/mysql-test/main/connect_debug.test
@@ -22,3 +22,18 @@ create user 'bad' identified by 'worse';
 --exec $MYSQL --default-auth=mysql_old_password --user=bad --password=worse 2>&1
 set global debug_dbug=@old_dbug;
 drop user bad;
+
+#
+# Bug#29630767 - USE OF UNINITIALIZED VALUE IN LIBMYSQL (CLIENT.CC FUNCTION RUN_PLUGIN_AUTH)
+#
+set global debug_dbug='+d,increase_srv_handshake_scramble_len';
+--replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR $MASTER_MYPORT MASTER_MYPORT
+--error 2027
+connect con1,localhost,root;
+set global debug_dbug=@old_dbug;
+
+set global debug_dbug='+d,poison_srv_handshake_scramble_len';
+--replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR $MASTER_MYPORT MASTER_MYPORT
+--error 2027
+connect con2,localhost,root;
+set global debug_dbug=@old_dbug;
--- a/mysql-test/main/default_session.result
+++ b/mysql-test/main/default_session.result
@@ -92,3 +92,31 @@ a
 STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
 REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ANSI
 drop table t1;
+set time_zone='+00:00';
+create table t1 (a int, b datetime default from_unixtime(a), c datetime);
+insert t1 (a, c) values (1569495327, from_unixtime(1569495327));
+set time_zone='+01:00';
+insert t1 (a, c) values (1569495327, from_unixtime(1569495327));
+flush tables;
+insert t1 (a, c) values (1569495327, from_unixtime(1569495327));
+select * from t1;
+a	b	c
+1569495327	2019-09-26 10:55:27	2019-09-26 10:55:27
+1569495327	2019-09-26 11:55:27	2019-09-26 11:55:27
+1569495327	2019-09-26 11:55:27	2019-09-26 11:55:27
+drop table t1;
+set time_zone = "+00:00";
+create table t1 (a int, b timestamp as (from_unixtime(a)) virtual);
+insert into t1 (a) value (1569495327);
+select a, b, from_unixtime(a) from t1;
+a	b	from_unixtime(a)
+1569495327	2019-09-26 10:55:27	2019-09-26 10:55:27
+set time_zone = "+01:00";
+select a, b, from_unixtime(a) from t1;
+a	b	from_unixtime(a)
+1569495327	2019-09-26 11:55:27	2019-09-26 11:55:27
+flush tables;
+select a, b, from_unixtime(a) from t1;
+a	b	from_unixtime(a)
+1569495327	2019-09-26 11:55:27	2019-09-26 11:55:27
+drop table t1;
--- a/mysql-test/main/default_session.test
+++ b/mysql-test/main/default_session.test
@@ -80,3 +80,27 @@ insert t1 () values ();
 set sql_mode=default;
 select * from t1;
 drop table t1;
+
+#
+# MDEV-21249 MariaDB 10.3.10 When referring to bigint to generate timestamp data in the virtual generated column, the value of the generated column does not change when the time zone changes
+#
+set time_zone='+00:00';
+create table t1 (a int, b datetime default from_unixtime(a), c datetime);
+insert t1 (a, c) values (1569495327, from_unixtime(1569495327));
+set time_zone='+01:00';
+insert t1 (a, c) values (1569495327, from_unixtime(1569495327));
+flush tables;
+insert t1 (a, c) values (1569495327, from_unixtime(1569495327));
+select * from t1;
+drop table t1;
+
+# same with vcols
+set time_zone = "+00:00";
+create table t1 (a int, b timestamp as (from_unixtime(a)) virtual);
+insert into t1 (a) value (1569495327);
+select a, b, from_unixtime(a) from t1;
+set time_zone = "+01:00";
+select a, b, from_unixtime(a) from t1;
+flush tables;
+select a, b, from_unixtime(a) from t1;
+drop table t1;
--- a/mysql-test/main/insert_debug-master.opt
+++ b/mysql-test/main/insert_debug-master.opt
@@ -0,0 +1 @@
+--innodb_autoinc_lock_mode=2
--- a/mysql-test/main/insert_debug.result
+++ b/mysql-test/main/insert_debug.result
@@ -0,0 +1,29 @@
+SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
+connect  con1, localhost, root,,;
+SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
+connection default;
+CREATE TABLE t1(c1 VARCHAR(10) NOT NULL, c2 VARCHAR(10) NOT NULL, c3 VARCHAR(10) NOT NULL);
+INSERT INTO t1(c1, c2, c3) VALUES('A1','B1','IT1'), ('A2','B2','IT1'), ('A3','B3','IT1'), ('A4','B4','IT1'), ('A5','B5','IT1'), ('A6','B6','IT1'), ('A7','B7','IT1');
+CREATE TABLE t2(c1 VARCHAR(10) NOT NULL, c2 VARCHAR(10) NOT NULL, c3 VARCHAR(10) NOT NULL);
+INSERT INTO t2(c1, c2, c3) VALUES ('A3','B3','IT2'), ('A2','B2','IT2'), ('A4','B4','IT2'), ('A5','B5','II2');
+CREATE TABLE result(id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT, c1 VARCHAR(10) NOT NULL, c2 VARCHAR(10),
+c3 VARCHAR(10), update_count INT DEFAULT 0, UNIQUE KEY uniq_idx (c1,c2), PRIMARY KEY (id)) ENGINE = innodb;
+SET DEBUG_SYNC = "ha_write_row_end WAIT_FOR flushed EXECUTE 1";
+INSERT INTO result(c1, c2, c3) SELECT * FROM t1 ON DUPLICATE KEY UPDATE c2=t1.c2, c3='UT1', update_count=update_count+1;
+connection con1;
+INSERT INTO result(c1, c2, c3) SELECT * FROM t2 ON DUPLICATE KEY UPDATE c2=t2.c2, c3='UT2', update_count=update_count+1;
+SET DEBUG_SYNC = "now SIGNAL flushed";
+connection default;
+SELECT * FROM result;
+id	c1	c2	c3	update_count
+1	A1	B1	IT1	0
+2	A3	B3	UT1	1
+3	A2	B2	UT1	1
+4	A4	B4	UT1	1
+5	A5	B5	UT1	1
+9	A6	B6	IT1	0
+10	A7	B7	IT1	0
+DROP TABLE t1;
+DROP TABLE t2;
+DROP TABLE result;
+SET DEBUG_SYNC = "RESET";
--- a/mysql-test/main/insert_debug.test
+++ b/mysql-test/main/insert_debug.test
@@ -0,0 +1,54 @@
+source include/have_innodb.inc;
+source include/have_debug.inc;
+source include/have_debug_sync.inc;
+
+SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
+
+connect (con1, localhost, root,,);
+SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
+
+connection default;
+
+let $conn0_id= `SELECT CONNECTION_ID()`;
+
+CREATE TABLE t1(c1 VARCHAR(10) NOT NULL, c2 VARCHAR(10) NOT NULL, c3 VARCHAR(10) NOT NULL);
+INSERT INTO t1(c1, c2, c3) VALUES('A1','B1','IT1'), ('A2','B2','IT1'), ('A3','B3','IT1'), ('A4','B4','IT1'), ('A5','B5','IT1'), ('A6','B6','IT1'), ('A7','B7','IT1');
+
+CREATE TABLE t2(c1 VARCHAR(10) NOT NULL, c2 VARCHAR(10) NOT NULL, c3 VARCHAR(10) NOT NULL);
+INSERT INTO t2(c1, c2, c3) VALUES ('A3','B3','IT2'), ('A2','B2','IT2'), ('A4','B4','IT2'), ('A5','B5','II2');
+
+CREATE TABLE result(id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT, c1 VARCHAR(10) NOT NULL, c2 VARCHAR(10),
+c3 VARCHAR(10), update_count INT DEFAULT 0, UNIQUE KEY uniq_idx (c1,c2), PRIMARY KEY (id)) ENGINE = innodb;
+
+# Insert one row from 't1' into the 'result' table and wait on a debug sync
+# point. The next insert statement from an session 2 inserts values that would
+# lead to unique key clash, when this insert resumes.
+# The subsequent inserts of this statement(after resume) will fail because of a
+# clash with the unique index, and are expected to update the row which clashes
+# with the unique key.
+# Without the fix for bug#30194841 a stale auto increment value, would cause a
+# collision with existing auto increment column value and ends up updating that
+# colliding row, instead of the row colliding with the unique index.
+SET DEBUG_SYNC = "ha_write_row_end WAIT_FOR flushed EXECUTE 1";
+send INSERT INTO result(c1, c2, c3) SELECT * FROM t1 ON DUPLICATE KEY UPDATE c2=t1.c2, c3='UT1', update_count=update_count+1;
+
+# While session 1 is waiting (after one insert), insert rows that will cause a clash
+# with the inserts of session 1 on the unique key.
+connection con1;
+
+# Wait for the session 1 to hit the debug sync point.
+let $wait_condition=SELECT 1 FROM information_schema.processlist WHERE id = $conn0_id AND state LIKE '%ha_write_row_end%';
+--source include/wait_condition.inc
+
+INSERT INTO result(c1, c2, c3) SELECT * FROM t2 ON DUPLICATE KEY UPDATE c2=t2.c2, c3='UT2', update_count=update_count+1;
+
+# Signal to resume the insert statement in session 1
+SET DEBUG_SYNC = "now SIGNAL flushed";
+connection default;
+reap;
+SELECT * FROM result;
+
+DROP TABLE t1;
+DROP TABLE t2;
+DROP TABLE result;
+SET DEBUG_SYNC = "RESET";
--- a/mysql-test/main/join.result
+++ b/mysql-test/main/join.result
@@ -3346,3 +3346,60 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t0	ALL	NULL	NULL	NULL	NULL	10	Using where
 1	SIMPLE	t1	ref	a	a	5	test.t0.a	1	
 drop table t0,t1;
+# 
+# MDEV-21383: Possible range plan is not used under certain conditions
+# 
+drop table if exists t10, t1000, t03;
+create table t10(a int);
+insert into t10 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t1000(a int);
+insert into t1000 select A.a + B.a* 10 + C.a * 100 from t10 A, t10 B, t10 C;
+create table t03(a int);
+insert into t03 values (0),(1),(2);
+create table t1 (
+stationid int
+);
+insert into t1 select a from t10;
+CREATE TABLE t2 (
+stationId int,
+startTime int,
+filler char(100),
+key1 int,
+key2 int,
+key(key1),
+key(key2),
+PRIMARY KEY (`stationId`,`startTime`)
+);
+insert into t2 select
+A.a, 
+B.a,
+repeat('filler=data-', 4),
+B.a,
+1
+from 
+t03 A,
+t1000 B;
+analyze table t2;
+Table	Op	Msg_type	Msg_text
+test.t2	analyze	status	Engine-independent statistics collected
+test.t2	analyze	status	OK
+create table t3(a int, filler char(100), key(a));
+insert into t3 select A.a+1000*B.a, 'filler-data' from t1000 A, t10 B;
+# This should produce a join order of t1,t2,t3
+#  t2 should have type=range, key=PRIMARY key_len=8 (not type=ALL or key_len<8)
+explain
+SELECT *
+FROM
+t1,t2,t3
+WHERE   
+t2.startTime <= 100 and
+t2.stationId = t1.stationId and
+(t1.stationid = 1 or t1.stationid = 2 or t1.stationid = 3) and
+key1 >0 and
+t2.key2=t3.a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	10	Using where
+1	SIMPLE	t2	range	PRIMARY,key1,key2	PRIMARY	8	NULL	219	Using index condition; Using where; Using join buffer (flat, BNL join)
+1	SIMPLE	t3	ref	a	a	5	test.t2.key2	1	
+drop table t1,t2,t3;
+drop table t1000,t10,t03;
--- a/mysql-test/main/join.test
+++ b/mysql-test/main/join.test
@@ -1749,3 +1749,68 @@ show keys from t1;
 explain select * from t0,t1 where t0.a=t1.a;

 drop table t0,t1;
+
+--echo # 
+--echo # MDEV-21383: Possible range plan is not used under certain conditions
+--echo # 
+
+--disable_warnings
+drop table if exists t10, t1000, t03;
+--enable_warnings
+
+create table t10(a int);
+insert into t10 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+
+create table t1000(a int);
+insert into t1000 select A.a + B.a* 10 + C.a * 100 from t10 A, t10 B, t10 C;
+
+create table t03(a int);
+insert into t03 values (0),(1),(2);
+
+
+create table t1 (
+  stationid int
+);
+insert into t1 select a from t10;
+
+CREATE TABLE t2 (
+  stationId int,
+  startTime int,
+  filler char(100),
+  key1 int,
+  key2 int,
+  key(key1),
+  key(key2),
+  PRIMARY KEY (`stationId`,`startTime`)
+);
+
+insert into t2 select
+  A.a, 
+  B.a,
+  repeat('filler=data-', 4),
+  B.a,
+  1
+from 
+  t03 A,
+  t1000 B;
+analyze table t2;
+
+create table t3(a int, filler char(100), key(a));
+insert into t3 select A.a+1000*B.a, 'filler-data' from t1000 A, t10 B;
+
+--echo # This should produce a join order of t1,t2,t3
+--echo #  t2 should have type=range, key=PRIMARY key_len=8 (not type=ALL or key_len<8)
+explain
+SELECT *
+FROM
+   t1,t2,t3
+WHERE   
+  t2.startTime <= 100 and
+  t2.stationId = t1.stationId and
+  (t1.stationid = 1 or t1.stationid = 2 or t1.stationid = 3) and
+  key1 >0 and
+  t2.key2=t3.a;
+
+drop table t1,t2,t3;
+drop table t1000,t10,t03;
+
--- a/mysql-test/main/mysqld--help.result
+++ b/mysql-test/main/mysqld--help.result
@@ -1636,7 +1636,7 @@ performance-schema-events-waits-history-long-size -1
 performance-schema-events-waits-history-size -1
 performance-schema-hosts-size -1
 performance-schema-instrument 
-performance-schema-max-cond-classes 80
+performance-schema-max-cond-classes 90
 performance-schema-max-cond-instances -1
 performance-schema-max-digest-length 1024
 performance-schema-max-file-classes 50
--- a/mysql-test/main/ssl_system_ca,bad.result
+++ b/mysql-test/main/ssl_system_ca,bad.result
@@ -0,0 +1 @@
+ERROR 2026 (HY000): SSL connection error: Validation of SSL server certificate failed
--- a/mysql-test/main/ssl_system_ca.combinations
+++ b/mysql-test/main/ssl_system_ca.combinations
@@ -0,0 +1,11 @@
+[good]
+#
+# hostname on the certificate is localhost
+#
+
+[bad]
+#
+# hostname on the certificate is server8k
+#
+loose-ssl-key=$MYSQL_TEST_DIR/std_data/server8k-key.pem
+loose-ssl-cert=$MYSQL_TEST_DIR/std_data/server8k-cert.pem
--- a/mysql-test/main/ssl_system_ca.result
+++ b/mysql-test/main/ssl_system_ca.result
@@ -0,0 +1,2 @@
+*************************** 1. row ***************************
+have_ssl: 1
--- a/mysql-test/main/ssl_system_ca.test
+++ b/mysql-test/main/ssl_system_ca.test
@@ -0,0 +1,22 @@
+#
+# Tests here don't use --ssl-ca but expect the certificate to be
+# signed by a CA in a system CA store
+#
+# They only work for openssl, because the following line works only there:
+let SSL_CERT_DIR=$MYSQL_TMP_DIR;
+
+source include/not_embedded.inc;
+
+if (`select @@version_ssl_library not like 'OpenSSL%'`) {
+  skip Needs OpenSSL;
+}
+
+# See `openssl x509 -in cacert.pem -noout -issuer_hash`
+copy_file $MYSQL_TEST_DIR/std_data/cacert.pem $MYSQL_TMP_DIR/ed1f42db.0;
+
+#
+# test --ssl-verify-server-cert
+#
+
+disable_abort_on_error;
+exec $MYSQL --ssl-verify-server-cert -Ee "select (variable_value <> '') as have_ssl from information_schema.session_status where variable_name='ssl_cipher'" 2>&1;
--- a/mysql-test/main/uniques_crash-7912.result
+++ b/mysql-test/main/uniques_crash-7912.result
@@ -1,11 +0,0 @@
-call mtr.add_suppression("Out of memory");
-set sql_mode="";
-drop table if exists t1,t2;
-create table `t1` (`a` datetime not null) engine=InnoDB;
-create table `t2` (`a` int not null) engine=innodb;
-replace into t1 values (),();
-insert into t2 values(0);
-set session sort_buffer_size = 1024*1024*1024*1024;
-delete d2 from t2 as d1, t1 as d2 where d1.a <=> d2.a;
-drop table t2;
-drop table t1;
--- a/mysql-test/main/uniques_crash-7912.test
+++ b/mysql-test/main/uniques_crash-7912.test
@@ -1,26 +0,0 @@
-#
-# MDEV-7912
-#
-# multitable delete with wrongly set sort_buffer_size crashes in merge_buffers
-
--source include/have_innodb.inc
--source include/have_debug.inc
--source include/windows.inc
-
-call mtr.add_suppression("Out of memory");
-
-set sql_mode="";
--disable_warnings
-drop table if exists t1,t2;
-create table `t1` (`a` datetime not null) engine=InnoDB;
-create table `t2` (`a` int not null) engine=innodb;
-replace into t1 values (),();
-insert into t2 values(0);
-set session sort_buffer_size = 1024*1024*1024*1024;
-#Either fail with EE_OUTOFMEMORY, or succeed
--error 0 , 5
-delete d2 from t2 as d1, t1 as d2 where d1.a <=> d2.a;
--enable_warnings
-
-drop table t2;
-drop table t1;
--- a/mysql-test/suite/binlog/include/binlog_index.inc
+++ b/mysql-test/suite/binlog/include/binlog_index.inc
@@ -22,7 +22,7 @@ call mtr.add_suppression('Could not use .*');
 call mtr.add_suppression('MYSQL_BIN_LOG::purge_logs failed to clean registers before purging logs.');
 flush tables;

-let $old=`select @@debug`;
+SET @saved_dbug = @@SESSION.debug_dbug;

 RESET MASTER;

@@ -273,6 +273,6 @@ SELECT @index;
 -- replace_regex /\.[\\\/]master/master/
 SELECT @index;

-eval SET SESSION debug_dbug="$old";
+SET @@SESSION.debug_dbug = @saved_dbug;

 --echo End of tests
--- a/mysql-test/suite/binlog/r/binlog_index.result
+++ b/mysql-test/suite/binlog/r/binlog_index.result
@@ -5,6 +5,7 @@ call mtr.add_suppression('Turning logging off for the whole duration of the MySQ
 call mtr.add_suppression('Could not use .*');
 call mtr.add_suppression('MYSQL_BIN_LOG::purge_logs failed to clean registers before purging logs.');
 flush tables;
+SET @saved_dbug = @@SESSION.debug_dbug;
 RESET MASTER;
 flush logs;
 flush logs;
@@ -185,5 +186,5 @@ master-bin.000011
 master-bin.000012
 master-bin.000013

-SET SESSION debug_dbug="";
+SET @@SESSION.debug_dbug = @saved_dbug;
 End of tests
--- a/mysql-test/suite/binlog_encryption/binlog_index.result
+++ b/mysql-test/suite/binlog_encryption/binlog_index.result
@@ -5,6 +5,7 @@ call mtr.add_suppression('Turning logging off for the whole duration of the MySQ
 call mtr.add_suppression('Could not use .*');
 call mtr.add_suppression('MYSQL_BIN_LOG::purge_logs failed to clean registers before purging logs.');
 flush tables;
+SET @saved_dbug = @@SESSION.debug_dbug;
 RESET MASTER;
 flush logs;
 flush logs;
@@ -185,5 +186,5 @@ master-bin.000011
 master-bin.000012
 master-bin.000013

-SET SESSION debug_dbug="";
+SET @@SESSION.debug_dbug = @saved_dbug;
 End of tests
--- a/mysql-test/suite/binlog_encryption/rpl_corruption.result
+++ b/mysql-test/suite/binlog_encryption/rpl_corruption.result
@@ -34,10 +34,11 @@ START SLAVE IO_THREAD;
 include/wait_for_slave_io_error.inc [errno=1595,1743]
 connection master;
 SET GLOBAL debug_dbug="-d,corrupt_read_log_event2_set";
-SET GLOBAL debug_dbug= "";
+SET GLOBAL debug_dbug=@saved_dbug;
 SET GLOBAL master_verify_checksum=1;
 # 5. Slave. Corruption in network
 connection slave;
+SET @saved_dbug_slave = @@GLOBAL.debug_dbug;
 SET GLOBAL debug_dbug="+d,corrupt_queue_event";
 START SLAVE IO_THREAD;
 include/wait_for_slave_io_error.inc [errno=1595,1743]
@@ -47,7 +48,7 @@ SET GLOBAL debug_dbug="+d,corrupt_read_log_event_char";
 START SLAVE SQL_THREAD;
 include/wait_for_slave_sql_error.inc [errno=1593]
 SET GLOBAL debug_dbug="-d,corrupt_read_log_event_char";
-SET GLOBAL debug_dbug= "";
+SET GLOBAL debug_dbug=@saved_dbug_slave;
 # 7. Seek diff for tables on master and slave
 connection slave;
 include/start_slave.inc
@@ -60,5 +61,4 @@ set @@global.debug_dbug = @saved_dbug;
 SET GLOBAL master_verify_checksum = @old_master_verify_checksum;
 DROP TABLE t1;
 connection slave;
-set @@global.debug_dbug = @saved_dbug;
 include/rpl_end.inc
--- a/mysql-test/suite/binlog_encryption/rpl_parallel_ignored_errors.result
+++ b/mysql-test/suite/binlog_encryption/rpl_parallel_ignored_errors.result
@@ -4,7 +4,7 @@ connection server_2;
 include/stop_slave.inc
 SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
 SET @old_parallel_mode=@@GLOBAL.slave_parallel_mode;
-SET @old_dbug= @@GLOBAL.debug_dbug;
+SET @old_debug= @@GLOBAL.debug_dbug;
 SET GLOBAL slave_parallel_mode='optimistic';
 SET GLOBAL slave_parallel_threads= 3;
 CHANGE MASTER TO master_use_gtid=slave_pos;
--- a/mysql-test/suite/galera/r/galera_performance_schema.result
+++ b/mysql-test/suite/galera/r/galera_performance_schema.result
@@ -15,7 +15,9 @@ select name from mutex_instances where name like 'wait/synch/mutex/sql/LOCK_wsre
 name	wait/synch/mutex/sql/LOCK_wsrep_cluster_config
 name	wait/synch/mutex/sql/LOCK_wsrep_config_state
 name	wait/synch/mutex/sql/LOCK_wsrep_desync
+name	wait/synch/mutex/sql/LOCK_wsrep_donor_monitor
 name	wait/synch/mutex/sql/LOCK_wsrep_group_commit
+name	wait/synch/mutex/sql/LOCK_wsrep_joiner_monitor
 name	wait/synch/mutex/sql/LOCK_wsrep_ready
 name	wait/synch/mutex/sql/LOCK_wsrep_replaying
 name	wait/synch/mutex/sql/LOCK_wsrep_slave_threads
@@ -24,6 +26,8 @@ name	wait/synch/mutex/sql/LOCK_wsrep_SR_store
 name	wait/synch/mutex/sql/LOCK_wsrep_sst
 name	wait/synch/mutex/sql/LOCK_wsrep_sst_init
 select name from cond_instances where name like 'wait/synch/cond/sql/COND_wsrep%' order by name;
+name	wait/synch/cond/sql/COND_wsrep_donor_monitor
+name	wait/synch/cond/sql/COND_wsrep_joiner_monitor
 name	wait/synch/cond/sql/COND_wsrep_ready
 name	wait/synch/cond/sql/COND_wsrep_replaying
 name	wait/synch/cond/sql/COND_wsrep_sst
--- a/mysql-test/suite/galera/r/galera_rsu_drop_pk.result
+++ b/mysql-test/suite/galera/r/galera_rsu_drop_pk.result
@@ -1,7 +1,7 @@
 connection node_2;
 connection node_1;
 connection node_1;
-CREATE TABLE ten (f1 INTEGER);
+CREATE TABLE ten (f1 INTEGER) Engine=InnoDB;
 INSERT INTO ten VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
 CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) Engine=InnoDB;
 INSERT INTO t1 (f1) SELECT 000000 + (10000 * a1.f1) + (1000 * a2.f1) + (100 * a3.f1) + (10 * a4.f1) + a5.f1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4, ten AS a5;
@@ -11,19 +11,19 @@ SET SESSION wsrep_OSU_method = "RSU";
 ALTER TABLE t1 DROP PRIMARY KEY;
 SET SESSION wsrep_OSU_method = "TOI";
 INSERT INTO t1 (f1) SELECT 200000 + (10000 * a1.f1) + (1000 * a2.f1) + (100 * a3.f1) + (10 * a4.f1) + a5.f1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4, ten AS a5;
-SELECT COUNT(*) = 300000 FROM t1;
-COUNT(*) = 300000
-1
-SELECT MAX(f1) =  299999 FROM t1;
-MAX(f1) =  299999
-1
+SELECT COUNT(*) as expect_300000 FROM t1;
+expect_300000
+300000
+SELECT MAX(f1) as expect_299999 FROM t1;
+expect_299999
+299999
 connection node_1;
-SELECT COUNT(*) = 300000 FROM t1;
-COUNT(*) = 300000
-1
-SELECT MAX(f1) =  299999 FROM t1;
-MAX(f1) =  299999
-1
+SELECT COUNT(*) as expect_300000 FROM t1;
+expect_300000
+300000
+SELECT MAX(f1) as expect_299999 FROM t1;
+expect_299999
+299999
 SET SESSION wsrep_OSU_method = "RSU";
 ALTER TABLE t1 DROP PRIMARY KEY;
 SET SESSION wsrep_OSU_method = "TOI";
@@ -31,20 +31,20 @@ connection node_2;
 INSERT INTO t1 (f1) VALUES (1);
 INSERT INTO t1 (f1) VALUES (10);
 connection node_1;
-SELECT COUNT(*) = 2 FROM t1 WHERE f1 = 1;
-COUNT(*) = 2
-1
-SELECT COUNT(*) = 2 FROM t1 WHERE f1 = 10;
-COUNT(*) = 2
-1
+SELECT COUNT(*) as expect_2 FROM t1 WHERE f1 = 1;
+expect_2
+2
+SELECT COUNT(*) as expect_2 FROM t1 WHERE f1 = 10;
+expect_2
+2
 INSERT INTO t1 (f1) VALUES (100);
 INSERT INTO t1 (f1) VALUES (1000);
 connection node_2;
-SELECT COUNT(*) = 2 FROM t1 WHERE f1 = 100;
-COUNT(*) = 2
-1
-SELECT COUNT(*) = 2 FROM t1 WHERE f1 = 1000;
-COUNT(*) = 2
-1
+SELECT COUNT(*) as expect_2 FROM t1 WHERE f1 = 100;
+expect_2
+2
+SELECT COUNT(*) as expect_2 FROM t1 WHERE f1 = 1000;
+expect_2
+2
 DROP TABLE t1;
 DROP TABLE ten;
--- a/mysql-test/suite/galera/t/galera_rsu_drop_pk.test
+++ b/mysql-test/suite/galera/t/galera_rsu_drop_pk.test
@@ -4,10 +4,9 @@

 --source include/big_test.inc
 --source include/galera_cluster.inc
--source include/have_innodb.inc

 --connection node_1
-CREATE TABLE ten (f1 INTEGER);
+CREATE TABLE ten (f1 INTEGER) Engine=InnoDB;
 INSERT INTO ten VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);

 CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) Engine=InnoDB;
@@ -26,13 +25,18 @@ SET SESSION wsrep_OSU_method = "TOI";
 # Insert even more data after the ALTER has completed
 INSERT INTO t1 (f1) SELECT 200000 + (10000 * a1.f1) + (1000 * a2.f1) + (100 * a3.f1) + (10 * a4.f1) + a5.f1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4, ten AS a5;

-SELECT COUNT(*) = 300000 FROM t1;
-SELECT MAX(f1) =  299999 FROM t1;
+--let $wait_condition = SELECT COUNT(*) = 300000 FROM t1;
+--source include/wait_condition.inc
+
+SELECT COUNT(*) as expect_300000 FROM t1;
+SELECT MAX(f1) as expect_299999 FROM t1;

 --connection node_1
 --reap
-SELECT COUNT(*) = 300000 FROM t1;
-SELECT MAX(f1) =  299999 FROM t1;
+--let $wait_condition = SELECT COUNT(*) = 300000 FROM t1;
+--source include/wait_condition.inc
+SELECT COUNT(*) as expect_300000 FROM t1;
+SELECT MAX(f1) as expect_299999 FROM t1;

 SET SESSION wsrep_OSU_method = "RSU";
 ALTER TABLE t1 DROP PRIMARY KEY;
@@ -44,15 +48,19 @@ INSERT INTO t1 (f1) VALUES (1);
 INSERT INTO t1 (f1) VALUES (10);

 --connection node_1
-SELECT COUNT(*) = 2 FROM t1 WHERE f1 = 1;
-SELECT COUNT(*) = 2 FROM t1 WHERE f1 = 10;
+--let $wait_condition = SELECT COUNT(*) = 2 FROM t1 where f1 = 10;
+--source include/wait_condition.inc
+SELECT COUNT(*) as expect_2 FROM t1 WHERE f1 = 1;
+SELECT COUNT(*) as expect_2 FROM t1 WHERE f1 = 10;

 INSERT INTO t1 (f1) VALUES (100);
 INSERT INTO t1 (f1) VALUES (1000);

 --connection node_2
-SELECT COUNT(*) = 2 FROM t1 WHERE f1 = 100;
-SELECT COUNT(*) = 2 FROM t1 WHERE f1 = 1000;
+--let $wait_condition = SELECT COUNT(*) = 2 FROM t1 where f1 = 1000;
+--source include/wait_condition.inc
+SELECT COUNT(*) as expect_2 FROM t1 WHERE f1 = 100;
+SELECT COUNT(*) as expect_2 FROM t1 WHERE f1 = 1000;

 DROP TABLE t1;
 DROP TABLE ten;
--- a/mysql-test/suite/innodb/r/alter_not_null_debug.result
+++ b/mysql-test/suite/innodb/r/alter_not_null_debug.result
@@ -74,5 +74,27 @@ c1	c2	c3
 1	2	3
 2	0	4
 DROP TABLE t1;
-disconnect con1;
 SET DEBUG_SYNC='RESET';
+#
+# MDEV-21539 Assertion ...prtype... in row_log_table_apply_convert_mrec
+#
+CREATE TABLE t1 (f VARCHAR(8) CHARACTER SET latin1 COLLATE latin1_swedish_ci)
+ENGINE=InnoDB;
+connection con1;
+SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL scanned WAIT_FOR insert_done';
+ALTER TABLE t1 MODIFY f VARCHAR(256) COLLATE latin1_german2_ci NOT NULL;
+# session default
+connection default;
+SET DEBUG_SYNC = 'now WAIT_FOR scanned';
+INSERT INTO t1 VALUES('one');
+SET DEBUG_SYNC = 'now SIGNAL insert_done';
+connection con1;
+disconnect con1;
+connection default;
+SET DEBUG_SYNC=RESET;
+ALTER TABLE t1 CHANGE f eins VARCHAR(257) COLLATE latin1_german1_ci NOT NULL,
+ALGORITHM=INSTANT;
+SELECT * FROM t1;
+eins
+one
+DROP TABLE t1;
--- a/mysql-test/suite/innodb/r/innodb_bug30113362.result
+++ b/mysql-test/suite/innodb/r/innodb_bug30113362.result
@@ -64,11 +64,11 @@ SET DEBUG_SYNC = 'now WAIT_FOR roll1_wait';
 COMMIT;
 SET DEBUG_SYNC = 'now SIGNAL roll2';
 connect  con1,localhost,root,,;
-SET DEBUG_SYNC = 'now WAIT_FOR rollback_waiting';
+SET DEBUG_SYNC = 'now WAIT_FOR rollback_waiting TIMEOUT 1';
 SET DEBUG_SYNC = 'rw_s_lock_waiting SIGNAL lockwait1';
 SELECT a00 FROM t1 WHERE a00 = 'bii';
 connection default;
-SET DEBUG_SYNC = 'now WAIT_FOR lockwait1';
+SET DEBUG_SYNC = 'now WAIT_FOR lockwait1 TIMEOUT 1';
 SET DEBUG_SYNC = 'now SIGNAL resume';
 connection con1;
 a00
--- a/mysql-test/suite/innodb/t/alter_not_null_debug.test
+++ b/mysql-test/suite/innodb/t/alter_not_null_debug.test
@@ -68,5 +68,32 @@ reap;
 --disable_info
 SELECT * FROM t1;
 DROP TABLE t1;
-disconnect con1;
 SET DEBUG_SYNC='RESET';
+
+--echo #
+--echo # MDEV-21539 Assertion ...prtype... in row_log_table_apply_convert_mrec
+--echo #
+CREATE TABLE t1 (f VARCHAR(8) CHARACTER SET latin1 COLLATE latin1_swedish_ci)
+ENGINE=InnoDB;
+
+connection con1;
+SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL scanned WAIT_FOR insert_done';
+send ALTER TABLE t1 MODIFY f VARCHAR(256) COLLATE latin1_german2_ci NOT NULL;
+
+--echo # session default
+connection default;
+SET DEBUG_SYNC = 'now WAIT_FOR scanned';
+INSERT INTO t1 VALUES('one');
+SET DEBUG_SYNC = 'now SIGNAL insert_done';
+
+connection con1;
+reap;
+disconnect con1;
+connection default;
+SET DEBUG_SYNC=RESET;
+
+ALTER TABLE t1 CHANGE f eins VARCHAR(257) COLLATE latin1_german1_ci NOT NULL,
+ALGORITHM=INSTANT;
+
+SELECT * FROM t1;
+DROP TABLE t1;
--- a/mysql-test/suite/innodb/t/innodb_bug30113362.test
+++ b/mysql-test/suite/innodb/t/innodb_bug30113362.test
@@ -106,12 +106,18 @@ COMMIT;
 SET DEBUG_SYNC = 'now SIGNAL roll2';

 connect (con1,localhost,root,,);
-SET DEBUG_SYNC = 'now WAIT_FOR rollback_waiting';
+# FIXME: This occasionally times out!
+--disable_warnings
+SET DEBUG_SYNC = 'now WAIT_FOR rollback_waiting TIMEOUT 1';
+--enable_warnings
 SET DEBUG_SYNC = 'rw_s_lock_waiting SIGNAL lockwait1';
 send SELECT a00 FROM t1 WHERE a00 = 'bii';

 connection default;
-SET DEBUG_SYNC = 'now WAIT_FOR lockwait1';
+# FIXME: This occasionally times out!
+--disable_warnings
+SET DEBUG_SYNC = 'now WAIT_FOR lockwait1 TIMEOUT 1';
+--enable_warnings
 # bug#30113362 caused deadlock
 SET DEBUG_SYNC = 'now SIGNAL resume';

--- a/mysql-test/suite/innodb_fts/r/concurrent_insert.result
+++ b/mysql-test/suite/innodb_fts/r/concurrent_insert.result
@@ -29,7 +29,7 @@ ALTER TABLE t2 drop index idx1;
 connection default;
 set DEBUG_SYNC= 'now SIGNAL fts_drop_index';
 connection con1;
-SET @@GLOBAL.debug_dbug = @saved_dbug;
 drop table t1, t2;
 connection default;
 set DEBUG_SYNC=RESET;
+SET @@GLOBAL.debug_dbug = @saved_dbug;
--- a/mysql-test/suite/innodb_fts/r/sync_block.result
+++ b/mysql-test/suite/innodb_fts/r/sync_block.result
@@ -39,7 +39,7 @@ SLEEP(2)
 SELECT sql_text FROM mysql.slow_log WHERE query_time >= '00:00:02';
 sql_text
 INSERT INTO t1(title) VALUES('mysql database')
-SET GLOBAL debug_dbug = @old_debug_dbug;
+SET GLOBAL debug_dbug = @old_debug;
 TRUNCATE TABLE mysql.slow_log;
 DROP TABLE t1;
 # Case 2: Sync blocks DML(insert) on other tables.
@@ -71,7 +71,7 @@ SLEEP(2)
 # slow log results should be empty here.
 SELECT sql_text FROM mysql.slow_log WHERE query_time >= '00:00:02';
 sql_text
-SET GLOBAL debug_dbug = @old_debug_dbug;
+SET GLOBAL debug_dbug = @old_debug;
 TRUNCATE TABLE mysql.slow_log;
 DROP TABLE t1,t2;
 disconnect con1;
--- a/mysql-test/suite/innodb_fts/t/concurrent_insert.test
+++ b/mysql-test/suite/innodb_fts/t/concurrent_insert.test
@@ -46,7 +46,7 @@ set DEBUG_SYNC= 'now SIGNAL fts_drop_index';

 connection con1;
 reap;
-SET @@GLOBAL.debug_dbug = @saved_dbug;
 drop table t1, t2;
 connection default;
 set DEBUG_SYNC=RESET;
+SET @@GLOBAL.debug_dbug = @saved_dbug;
--- a/mysql-test/suite/innodb_fts/t/sync_block.test
+++ b/mysql-test/suite/innodb_fts/t/sync_block.test
@@ -61,7 +61,7 @@ SELECT SLEEP(2);
 -- echo # slow log results should only contain INSERT INTO t1.
 SELECT sql_text FROM mysql.slow_log WHERE query_time >= '00:00:02';

-SET GLOBAL debug_dbug = @old_debug_dbug;
+SET GLOBAL debug_dbug = @old_debug;
 TRUNCATE TABLE mysql.slow_log;

 DROP TABLE t1;
@@ -107,7 +107,7 @@ SELECT SLEEP(2);
 -- echo # slow log results should be empty here.
 SELECT sql_text FROM mysql.slow_log WHERE query_time >= '00:00:02';

-SET GLOBAL debug_dbug = @old_debug_dbug;
+SET GLOBAL debug_dbug = @old_debug;
 TRUNCATE TABLE mysql.slow_log;

 DROP TABLE t1,t2;
--- a/mysql-test/suite/maria/aria_pack_mdev14183.result
+++ b/mysql-test/suite/maria/aria_pack_mdev14183.result
@@ -0,0 +1,23 @@
+CREATE TABLE `t` (
+`col_1` varchar(255) NOT NULL DEFAULT '',
+`col_2` varchar(255) NOT NULL,
+`col_3` int(11) NOT NULL DEFAULT '0',
+`col_4` int(11) NOT NULL DEFAULT '0'
+) ENGINE=Aria TRANSACTIONAL=0 PAGE_CHECKSUM=0;
+insert into t values
+('foobar','qux',0,0),('abcdef','qux',0,0);
+Compressing test/t.MAD: (2 records)
+- Calculating statistics
+
+normal:      0  empty-space:       0  empty-zero:         0  empty-fill:   0
+pre-space:   0  end-space:         0  intervall-fields:   0  zero:         2
+Original trees:  4  After join: 1
+- Compressing file
+Min record length:      5   Max length:      5   Mean total length:     35
+99.57%     
+# restart
+SELECT * FROM t;
+col_1	col_2	col_3	col_4
+foobar	qux	0	0
+abcdef	qux	0	0
+DROP TABLE t;
--- a/mysql-test/suite/maria/aria_pack_mdev14183.test
+++ b/mysql-test/suite/maria/aria_pack_mdev14183.test
@@ -0,0 +1,23 @@
+--source include/have_aria.inc
+--source include/have_debug.inc
+--source include/not_embedded.inc
+
+CREATE TABLE `t` (
+  `col_1` varchar(255) NOT NULL DEFAULT '',
+  `col_2` varchar(255) NOT NULL,
+  `col_3` int(11) NOT NULL DEFAULT '0',
+  `col_4` int(11) NOT NULL DEFAULT '0'
+) ENGINE=Aria TRANSACTIONAL=0 PAGE_CHECKSUM=0;
+
+insert into t values
+  ('foobar','qux',0,0),('abcdef','qux',0,0);
+
+--let $datadir= `SELECT @@datadir`
+--source include/shutdown_mysqld.inc
+# maria_pack crashes by assert() if the bug is not fixed
+--exec cd $datadir && $MARIA_PACK -t test/t
+
+--source include/start_mysqld.inc
+SELECT * FROM t;
+
+DROP TABLE t;
--- a/mysql-test/suite/perfschema/r/ortho_iter.result
+++ b/mysql-test/suite/perfschema/r/ortho_iter.result
@@ -111,7 +111,7 @@ performance_schema_events_statements_history_size	10
 performance_schema_events_waits_history_long_size	10000
 performance_schema_events_waits_history_size	10
 performance_schema_hosts_size	100
-performance_schema_max_cond_classes	80
+performance_schema_max_cond_classes	90
 performance_schema_max_cond_instances	1000
 performance_schema_max_digest_length	1024
 performance_schema_max_file_classes	50
--- a/mysql-test/suite/perfschema/r/privilege_table_io.result
+++ b/mysql-test/suite/perfschema/r/privilege_table_io.result
@@ -38,7 +38,7 @@ performance_schema_events_statements_history_size	10
 performance_schema_events_waits_history_long_size	10000
 performance_schema_events_waits_history_size	10
 performance_schema_hosts_size	100
-performance_schema_max_cond_classes	80
+performance_schema_max_cond_classes	90
 performance_schema_max_cond_instances	1000
 performance_schema_max_digest_length	1024
 performance_schema_max_file_classes	50
--- a/mysql-test/suite/perfschema/r/start_server_no_cond_inst.result
+++ b/mysql-test/suite/perfschema/r/start_server_no_cond_inst.result
@@ -21,7 +21,7 @@ show engine PERFORMANCE_SCHEMA status;
 show status like "performance_schema%";
 show variables like "performance_schema_max_cond_classes";
 Variable_name	Value
-performance_schema_max_cond_classes	80
+performance_schema_max_cond_classes	90
 select count(*) > 0 from performance_schema.setup_instruments
 where name like "wait/synch/cond/%";
 count(*) > 0
--- a/mysql-test/suite/perfschema/r/start_server_variables.result
+++ b/mysql-test/suite/perfschema/r/start_server_variables.result
@@ -33,7 +33,7 @@ performance_schema_events_statements_history_size	10
 performance_schema_events_waits_history_long_size	10000
 performance_schema_events_waits_history_size	10
 performance_schema_hosts_size	100
-performance_schema_max_cond_classes	80
+performance_schema_max_cond_classes	90
 performance_schema_max_cond_instances	1000
 performance_schema_max_digest_length	1024
 performance_schema_max_file_classes	50
--- a/mysql-test/suite/perfschema/t/ddl_esms_by_digest.test
+++ b/mysql-test/suite/perfschema/t/ddl_esms_by_digest.test
@@ -1,13 +1,20 @@
 # Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
 #
 # This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; version 2 of the License.
+# it under the terms of the GNU General Public License, version 2.0,
+# as published by the Free Software Foundation.
+#
+# This program is also distributed with certain software (including
+# but not limited to OpenSSL) that is licensed under separate terms,
+# as designated in a particular file or component or in included license
+# documentation.  The authors of MySQL hereby grant you an additional
+# permission to link the program and your derivative works with the
+# separately licensed software that they have included with MySQL.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+# GNU General Public License, version 2.0, for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software Foundation,
--- a/mysql-test/suite/perfschema/t/dml_esms_by_digest.test
+++ b/mysql-test/suite/perfschema/t/dml_esms_by_digest.test
@@ -1,13 +1,20 @@
 # Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
 #
 # This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; version 2 of the License.
+# it under the terms of the GNU General Public License, version 2.0,
+# as published by the Free Software Foundation.
+#
+# This program is also distributed with certain software (including
+# but not limited to OpenSSL) that is licensed under separate terms,
+# as designated in a particular file or component or in included license
+# documentation.  The authors of MySQL hereby grant you an additional
+# permission to link the program and your derivative works with the
+# separately licensed software that they have included with MySQL.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+# GNU General Public License, version 2.0, for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software Foundation,
--- a/mysql-test/suite/rpl/include/rpl_corruption.inc
+++ b/mysql-test/suite/rpl/include/rpl_corruption.inc
@@ -131,12 +131,13 @@ let $slave_io_errno= 1595,1743; # ER_SLAVE_RELAY_LOG_WRITE_FAILURE, ER_NETWORK_R
 --source include/wait_for_slave_io_error.inc
 --connection master
 SET GLOBAL debug_dbug="-d,corrupt_read_log_event2_set";
-SET GLOBAL debug_dbug= "";
+SET GLOBAL debug_dbug=@saved_dbug;
 SET GLOBAL master_verify_checksum=1;

 # Emulate corruption in network
 --echo # 5. Slave. Corruption in network
 --connection slave
+SET @saved_dbug_slave = @@GLOBAL.debug_dbug;
 SET GLOBAL debug_dbug="+d,corrupt_queue_event";
 START SLAVE IO_THREAD;
 let $slave_io_errno= 1595,1743; # ER_SLAVE_RELAY_LOG_WRITE_FAILURE, ER_NETWORK_READ_EVENT_CHECKSUM_FAILURE
@@ -153,7 +154,7 @@ let $slave_sql_errno= 1593;
 --source include/wait_for_slave_sql_error.inc

 SET GLOBAL debug_dbug="-d,corrupt_read_log_event_char";
-SET GLOBAL debug_dbug= "";
+SET GLOBAL debug_dbug=@saved_dbug_slave;

 # Start normal replication and compare same table on master
 # and slave
@@ -172,6 +173,5 @@ set @@global.debug_dbug = @saved_dbug;
 SET GLOBAL master_verify_checksum = @old_master_verify_checksum;
 DROP TABLE t1;
 --sync_slave_with_master
-set @@global.debug_dbug = @saved_dbug;

 --source include/rpl_end.inc
--- a/mysql-test/suite/rpl/include/rpl_parallel_ignored_errors.inc
+++ b/mysql-test/suite/rpl/include/rpl_parallel_ignored_errors.inc
@@ -47,7 +47,7 @@
 --source include/stop_slave.inc
 SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
 SET @old_parallel_mode=@@GLOBAL.slave_parallel_mode;
-SET @old_dbug= @@GLOBAL.debug_dbug;
+SET @old_debug= @@GLOBAL.debug_dbug;
 SET GLOBAL slave_parallel_mode='optimistic';
 SET GLOBAL slave_parallel_threads= 3;
 CHANGE MASTER TO master_use_gtid=slave_pos;
--- a/mysql-test/suite/rpl/include/rpl_stop_middle_group.test
+++ b/mysql-test/suite/rpl/include/rpl_stop_middle_group.test
@@ -13,6 +13,7 @@ create table tm (a int auto_increment primary key) engine=myisam;
 create table ti (a int auto_increment primary key) engine=innodb;

 sync_slave_with_master;
+SET @saved_dbug = @@GLOBAL.debug_dbug;
 set @@global.debug_dbug="+d,stop_slave_middle_group";

 connection master;
@@ -135,8 +136,7 @@ eval SELECT "$error" AS Last_SQL_Error, @check as `true`;
 select max(a) as two from tm;
 select max(a) as one from ti;

-set @@global.debug_dbug="-d";
-
+SET @@GLOBAL.debug_dbug = @saved_dbug;
 #
 # clean-up
 #
--- a/mysql-test/suite/rpl/r/circular_serverid0.result
+++ b/mysql-test/suite/rpl/r/circular_serverid0.result
@@ -1,9 +1,9 @@
 include/rpl_init.inc [topology=1->2->1]
 include/rpl_connect.inc [creating M4]
 include/rpl_connect.inc [creating M2]
-SET @old_debug= @@global.debug;
 connection M2;
 STOP SLAVE;
+SET @old_debug= @@global.debug;
 SET GLOBAL debug_dbug= "+d,dbug.rows_events_to_delay_relay_logging";
 START SLAVE IO_THREAD;
 include/wait_for_slave_io_to_start.inc
--- a/mysql-test/suite/rpl/r/rpl_corruption.result
+++ b/mysql-test/suite/rpl/r/rpl_corruption.result
@@ -34,10 +34,11 @@ START SLAVE IO_THREAD;
 include/wait_for_slave_io_error.inc [errno=1595,1743]
 connection master;
 SET GLOBAL debug_dbug="-d,corrupt_read_log_event2_set";
-SET GLOBAL debug_dbug= "";
+SET GLOBAL debug_dbug=@saved_dbug;
 SET GLOBAL master_verify_checksum=1;
 # 5. Slave. Corruption in network
 connection slave;
+SET @saved_dbug_slave = @@GLOBAL.debug_dbug;
 SET GLOBAL debug_dbug="+d,corrupt_queue_event";
 START SLAVE IO_THREAD;
 include/wait_for_slave_io_error.inc [errno=1595,1743]
@@ -47,7 +48,7 @@ SET GLOBAL debug_dbug="+d,corrupt_read_log_event_char";
 START SLAVE SQL_THREAD;
 include/wait_for_slave_sql_error.inc [errno=1593]
 SET GLOBAL debug_dbug="-d,corrupt_read_log_event_char";
-SET GLOBAL debug_dbug= "";
+SET GLOBAL debug_dbug=@saved_dbug_slave;
 # 7. Seek diff for tables on master and slave
 connection slave;
 include/start_slave.inc
@@ -60,5 +61,4 @@ set @@global.debug_dbug = @saved_dbug;
 SET GLOBAL master_verify_checksum = @old_master_verify_checksum;
 DROP TABLE t1;
 connection slave;
-set @@global.debug_dbug = @saved_dbug;
 include/rpl_end.inc
--- a/mysql-test/suite/rpl/r/rpl_domain_id_filter_io_crash.result
+++ b/mysql-test/suite/rpl/r/rpl_domain_id_filter_io_crash.result
@@ -26,6 +26,7 @@ CHANGE MASTER TO IGNORE_DOMAIN_IDS=(), MASTER_USE_GTID=slave_pos;
 include/start_slave.inc
 DO_DOMAIN_IDS (AFTER)     : 
 IGNORE_DOMAIN_IDS (AFTER) : 
+SET @saved_dbug = @@GLOBAL.debug_dbug;
 SET @@global.debug_dbug="+d,kill_slave_io_before_commit";
 connection master;
 START TRANSACTION;
@@ -414,4 +415,5 @@ connection slave;
 include/stop_slave.inc
 CHANGE MASTER TO DO_DOMAIN_IDS=(), IGNORE_DOMAIN_IDS=();
 include/start_slave.inc
+SET @@GLOBAL.debug_dbug = @saved_dbug;
 include/rpl_end.inc
--- a/mysql-test/suite/rpl/r/rpl_domain_id_filter_master_crash.result
+++ b/mysql-test/suite/rpl/r/rpl_domain_id_filter_master_crash.result
@@ -37,7 +37,6 @@ IGNORE_DOMAIN_IDS (AFTER) : 1
 connection master;
 include/rpl_start_server.inc [server_number=1]
 # Master has restarted successfully
-set @@global.debug_dbug="-d";
 connection slave;
 include/stop_slave.inc
 include/start_slave.inc
--- a/mysql-test/suite/rpl/r/rpl_gtid_reconnect.result
+++ b/mysql-test/suite/rpl/r/rpl_gtid_reconnect.result
@@ -27,7 +27,7 @@ a
 connection server_1;
 include/kill_binlog_dump_threads.inc
 INSERT INTO t1 VALUES (10);
-SET @old_dbug= @@GLOBAL.debug_dbug;
+SET @old_debug= @@GLOBAL.debug_dbug;
 SET GLOBAL debug_dbug="+d,dummy_disable_default_dbug_output";
 SET GLOBAL debug_dbug="+d,gtid_force_reconnect_at_10_1_100";
 connection server_2;
--- a/mysql-test/suite/rpl/r/rpl_mariadb_slave_capability.result
+++ b/mysql-test/suite/rpl/r/rpl_mariadb_slave_capability.result
@@ -2,10 +2,10 @@ include/master-slave.inc
 [connection master]
 connection master;
 set @old_master_binlog_checksum= @@global.binlog_checksum;
-set @old_slave_dbug= @@global.debug_dbug;
 connection slave;
 include/stop_slave.inc
 # Test slave with no capability gets dummy event, which is ignored.
+set @old_dbug= @@global.debug_dbug;
 SET @@global.debug_dbug='+d,simulate_slave_capability_none';
 include/start_slave.inc
 connection master;
@@ -50,7 +50,7 @@ slave-relay-bin.000005	#	Annotate_rows	#	#	INSERT INTO t1 /* A comment just to m
 slave-relay-bin.000005	#	Table_map	#	#	table_id: # (test.t1)
 slave-relay-bin.000005	#	Write_rows_v1	#	#	table_id: # flags: STMT_END_F
 slave-relay-bin.000005	#	Query	#	#	COMMIT
-set @@global.debug_dbug= @old_slave_dbug;
+set @@global.debug_dbug= @old_dbug;
 # Test dummy event is checksummed correctly.
 connection master;
 set @@global.binlog_checksum = CRC32;
@@ -148,10 +148,10 @@ select @@global.log_slave_updates;
 select @@global.replicate_annotate_row_events;
@@global.replicate_annotate_row_events
 1
-set @@global.debug_dbug= @old_slave_dbug;
 Clean up.
 connection master;
 set @@global.binlog_checksum = @old_master_binlog_checksum;
 DROP TABLE t1, t2;
 connection slave;
+set @@global.debug_dbug= @old_dbug;
 include/rpl_end.inc
--- a/mysql-test/suite/rpl/r/rpl_parallel_ignored_errors.result
+++ b/mysql-test/suite/rpl/r/rpl_parallel_ignored_errors.result
@@ -4,7 +4,7 @@ connection server_2;
 include/stop_slave.inc
 SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
 SET @old_parallel_mode=@@GLOBAL.slave_parallel_mode;
-SET @old_dbug= @@GLOBAL.debug_dbug;
+SET @old_debug= @@GLOBAL.debug_dbug;
 SET GLOBAL slave_parallel_mode='optimistic';
 SET GLOBAL slave_parallel_threads= 3;
 CHANGE MASTER TO master_use_gtid=slave_pos;
--- a/mysql-test/suite/rpl/r/rpl_parallel_optimistic.result
+++ b/mysql-test/suite/rpl/r/rpl_parallel_optimistic.result
@@ -359,7 +359,7 @@ include/save_master_gtid.inc
 connection server_2;
 include/sync_with_master_gtid.inc
 include/stop_slave.inc
-SET @old_dbug= @@GLOBAL.debug_dbug;
+SET @old_debug= @@GLOBAL.debug_dbug;
 SET GLOBAL debug_dbug= '+d,inject_analyze_table_sleep';
 connection server_1;
 ALTER TABLE t2 COMMENT "123abc";
--- a/mysql-test/suite/rpl/r/rpl_slave_shutdown_mdev20821.result
+++ b/mysql-test/suite/rpl/r/rpl_slave_shutdown_mdev20821.result
@@ -0,0 +1,79 @@
+include/rpl_init.inc [topology=1->3]
+connection server_3;
+set default_master_connection = '';
+include/start_slave.inc
+Warnings:
+Note	1254	Slave is already running
+set default_master_connection = 'm2';
+change master to master_host='127.0.0.1', master_port=SERVER_MYPORT_2, master_user='root', master_use_gtid=slave_pos;
+include/start_slave.inc
+select @@global.slave_parallel_workers as two;
+two
+2
+connection server_3;
+SHUTDOWN;
+connection server_3;
+connection server_3;
+connection server_1;
+create table t1 (i int primary key) engine=Innodb;
+connection server_2;
+create table t2 (i int primary key) engine=Innodb;
+connection server_3;
+set default_master_connection = '';
+include/start_slave.inc
+Warnings:
+Note	1254	Slave is already running
+set default_master_connection = 'm2';
+include/start_slave.inc
+Warnings:
+Note	1254	Slave is already running
+connection server_2;
+insert into t2 values (1);
+connection server_3;
+connection server_1;
+insert into t1 values (1);
+connection server_3;
+connection server_3;
+SHUTDOWN;
+connection server_3;
+connection server_3;
+connection server_3;
+set default_master_connection = '';
+include/start_slave.inc
+Warnings:
+Note	1254	Slave is already running
+set default_master_connection = 'm2';
+include/start_slave.inc
+Warnings:
+Note	1254	Slave is already running
+connect  conn_block_server3, 127.0.0.1, root,, test, $SERVER_MYPORT_3,;
+begin;
+insert into t1 values (2);
+insert into t2 values (2);
+connection server_1;
+insert into t1 values (2);
+connection server_2;
+insert into t2 values (2);
+connection server_3;
+SHUTDOWN;
+connection server_3;
+connection server_3;
+connection server_3;
+set default_master_connection = '';
+include/start_slave.inc
+Warnings:
+Note	1254	Slave is already running
+set default_master_connection = 'm2';
+include/start_slave.inc
+Warnings:
+Note	1254	Slave is already running
+connection server_1;
+drop table t1;
+connection server_2;
+drop table t2;
+connection server_3;
+set default_master_connection = 'm2';
+include/stop_slave.inc
+RESET SLAVE ALL;
+set default_master_connection = '';
+include/rpl_end.inc
--- a/mysql-test/suite/rpl/r/rpl_stm_stop_middle_group.result
+++ b/mysql-test/suite/rpl/r/rpl_stm_stop_middle_group.result
@@ -6,6 +6,7 @@ call mtr.add_suppression("Unsafe statement written to the binary log using state
 create table tm (a int auto_increment primary key) engine=myisam;
 create table ti (a int auto_increment primary key) engine=innodb;
 connection slave;
+SET @saved_dbug = @@GLOBAL.debug_dbug;
 set @@global.debug_dbug="+d,stop_slave_middle_group";
 connection master;
 begin;
@@ -74,7 +75,7 @@ two
 select max(a) as one from ti;
 one
 1
-set @@global.debug_dbug="-d";
+SET @@GLOBAL.debug_dbug = @saved_dbug;
 include/rpl_reset.inc
 connection master;
 drop table tm, ti;
--- a/mysql-test/suite/rpl/t/circular_serverid0.test
+++ b/mysql-test/suite/rpl/t/circular_serverid0.test
@@ -22,10 +22,9 @@
 # The parameter reflects binlog-row-event-max-size @cnf.
 --let $row_size=1024

-SET @old_debug= @@global.debug;
-
 --connection M2
 STOP SLAVE;
+SET @old_debug= @@global.debug;
 SET GLOBAL debug_dbug= "+d,dbug.rows_events_to_delay_relay_logging";
 START SLAVE IO_THREAD;
 --source include/wait_for_slave_io_to_start.inc
--- a/mysql-test/suite/rpl/t/rpl_domain_id_filter_io_crash.test
+++ b/mysql-test/suite/rpl/t/rpl_domain_id_filter_io_crash.test
@@ -35,6 +35,7 @@ let $ignore_domain_ids_after= query_get_value(SHOW SLAVE STATUS, Replicate_Ignor
 --echo DO_DOMAIN_IDS (AFTER)     : $do_domain_ids_after
 --echo IGNORE_DOMAIN_IDS (AFTER) : $ignore_domain_ids_after

+SET @saved_dbug = @@GLOBAL.debug_dbug;
 SET @@global.debug_dbug="+d,kill_slave_io_before_commit";

 connection master;
@@ -379,5 +380,5 @@ connection slave;
 --source include/stop_slave.inc
 CHANGE MASTER TO DO_DOMAIN_IDS=(), IGNORE_DOMAIN_IDS=();
 --source include/start_slave.inc
-
+SET @@GLOBAL.debug_dbug = @saved_dbug;
 --source include/rpl_end.inc
--- a/mysql-test/suite/rpl/t/rpl_domain_id_filter_master_crash.test
+++ b/mysql-test/suite/rpl/t/rpl_domain_id_filter_master_crash.test
@@ -64,7 +64,6 @@ connection master;
 #--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
 --source include/wait_until_connected_again.inc
 --echo # Master has restarted successfully
-set @@global.debug_dbug="-d";
 save_master_pos;

 --connection slave
--- a/mysql-test/suite/rpl/t/rpl_gtid_reconnect.test
+++ b/mysql-test/suite/rpl/t/rpl_gtid_reconnect.test
@@ -42,7 +42,7 @@ SELECT * FROM t1 ORDER BY a;
 # interfere with our DBUG error injection.
 --source include/kill_binlog_dump_threads.inc
 INSERT INTO t1 VALUES (10);
-SET @old_dbug= @@GLOBAL.debug_dbug;
+SET @old_debug= @@GLOBAL.debug_dbug;
 SET GLOBAL debug_dbug="+d,dummy_disable_default_dbug_output";
 SET GLOBAL debug_dbug="+d,gtid_force_reconnect_at_10_1_100";
 --save_master_pos
--- a/mysql-test/suite/rpl/t/rpl_mariadb_slave_capability.test
+++ b/mysql-test/suite/rpl/t/rpl_mariadb_slave_capability.test
@@ -5,9 +5,7 @@
 --source include/master-slave.inc

 connection master;
-
 set @old_master_binlog_checksum= @@global.binlog_checksum;
-set @old_slave_dbug= @@global.debug_dbug;

 # MDEV-4475: Cannot replicate to old server when binlog contains
 # empty Gtid_list event
@@ -16,6 +14,7 @@ set @old_slave_dbug= @@global.debug_dbug;
 connection slave;
 --source include/stop_slave.inc
 --echo # Test slave with no capability gets dummy event, which is ignored.
+set @old_dbug= @@global.debug_dbug;
 SET @@global.debug_dbug='+d,simulate_slave_capability_none';
 --source include/start_slave.inc

@@ -52,7 +51,7 @@ let $binlog_file= query_get_value(SHOW SLAVE STATUS, Relay_Log_File, 1);
 let $binlog_start= $relaylog_start;
 let $binlog_limit=0,10;
 --source include/show_relaylog_events.inc
-set @@global.debug_dbug= @old_slave_dbug;
+set @@global.debug_dbug= @old_dbug;

 --echo # Test dummy event is checksummed correctly.

@@ -150,11 +149,10 @@ let $binlog_limit=0,5;
 select @@global.log_slave_updates;
 select @@global.replicate_annotate_row_events;

-set @@global.debug_dbug= @old_slave_dbug;
-
 --echo Clean up.
 connection master;
 set @@global.binlog_checksum = @old_master_binlog_checksum;
 DROP TABLE t1, t2;
 sync_slave_with_master;
+set @@global.debug_dbug= @old_dbug;
 --source include/rpl_end.inc
--- a/mysql-test/suite/rpl/t/rpl_parallel_optimistic.test
+++ b/mysql-test/suite/rpl/t/rpl_parallel_optimistic.test
@@ -334,7 +334,7 @@ INSERT INTO t2 VALUES (1,1), (2,1), (3,1), (4,1), (5,1);
 --connection server_2
 --source include/sync_with_master_gtid.inc
 --source include/stop_slave.inc
-SET @old_dbug= @@GLOBAL.debug_dbug;
+SET @old_debug= @@GLOBAL.debug_dbug;
 SET GLOBAL debug_dbug= '+d,inject_analyze_table_sleep';

 --connection server_1
--- a/mysql-test/suite/rpl/t/rpl_slave_shutdown_mdev20821.cnf
+++ b/mysql-test/suite/rpl/t/rpl_slave_shutdown_mdev20821.cnf
@@ -0,0 +1,19 @@
+!include suite/rpl/rpl_1slave_base.cnf
+!include include/default_client.cnf
+
+[mysqld.1]
+log-slave-updates
+gtid-domain-id=1
+
+[mysqld.2]
+log-slave-updates
+gtid-domain-id=2
+
+[mysqld.3]
+log-slave-updates
+gtid-domain-id=3
+slave_parallel_threads=2
+
+[ENV]
+SERVER_MYPORT_3=                @mysqld.3.port
+SERVER_MYSOCK_3=                @mysqld.3.socket
--- a/mysql-test/suite/rpl/t/rpl_slave_shutdown_mdev20821.test
+++ b/mysql-test/suite/rpl/t/rpl_slave_shutdown_mdev20821.test
@@ -0,0 +1,165 @@
+# MDEV-20821 parallel slave server shutdown hang
+#
+# Test the bug condition of a parallel slave server shutdown
+# hang when the parallel workers were idle.
+# The bug reported scenario is extented to cover the multi-sources case as well as
+# checking is done for both the idle and busy workers cases.
+
+--source include/have_innodb.inc
+--source include/have_binlog_format_mixed.inc
+--let $rpl_topology= 1->3
+--source include/rpl_init.inc
+
+#
+# A. idle workers.
+#
+--connection server_3
+set default_master_connection = '';
+--source include/start_slave.inc
+
+set default_master_connection = 'm2';
+--replace_result $SERVER_MYPORT_2 SERVER_MYPORT_2
+eval change master to master_host='127.0.0.1', master_port=$SERVER_MYPORT_2, master_user='root', master_use_gtid=slave_pos;
+--source include/start_slave.inc
+
+select @@global.slave_parallel_workers as two;
+
+# At this point worker threads have no assignement.
+# Shutdown must not hang.
+
+--connection server_3
+--write_file $MYSQLTEST_VARDIR/tmp/mysqld.3.expect
+wait
+EOF
+--send SHUTDOWN
+--reap
+--source include/wait_until_disconnected.inc
+
+--connection server_3
+--append_file $MYSQLTEST_VARDIR/tmp/mysqld.3.expect
+restart
+EOF
+
+# No hang is *proved* to occur when this point is reached.
+--connection server_3
+--enable_reconnect
+--source include/wait_until_connected_again.inc
+
+#
+# B. resting workers after some busy time
+#
+--connection server_1
+create table t1 (i int primary key) engine=Innodb;
+
+--connection server_2
+create table t2 (i int primary key) engine=Innodb;
+
+--connection server_3
+set default_master_connection = '';
+--source include/start_slave.inc
+
+set default_master_connection = 'm2';
+--source include/start_slave.inc
+
+--connection server_2
+insert into t2 values (1);
+--save_master_pos
+
+--connection server_3
+--sync_with_master 0,'m2'
+
+--connection server_1
+insert into t1 values (1);
+--save_master_pos
+
+--connection server_3
+--sync_with_master 0,''
+
+# At this point worker threads have no assignement.
+# Shutdown must not hang.
+
+--connection server_3
+--write_file $MYSQLTEST_VARDIR/tmp/mysqld.3.expect
+wait
+EOF
+--send SHUTDOWN
+--reap
+--source include/wait_until_disconnected.inc
+
+--connection server_3
+--append_file $MYSQLTEST_VARDIR/tmp/mysqld.3.expect
+restart
+EOF
+
+# No hang is *proved* to occur when this point is reached.
+--connection server_3
+--enable_reconnect
+--source include/wait_until_connected_again.inc
+
+#
+# C. busy workers
+#
+--connection server_3
+set default_master_connection = '';
+--source include/start_slave.inc
+
+set default_master_connection = 'm2';
+--source include/start_slave.inc
+
+--connect (conn_block_server3, 127.0.0.1, root,, test, $SERVER_MYPORT_3,)
+begin;
+  insert into t1 values (2);
+  insert into t2 values (2);
+
+--connection server_1
+insert into t1 values (2);
+--connection server_2
+insert into t2 values (2);
+
+
+# At this point there's a good chance the worker threads are busy.
+# SHUTDOWN must proceed without any delay as above.
+--connection server_3
+--write_file $MYSQLTEST_VARDIR/tmp/mysqld.3.expect
+wait
+EOF
+--send SHUTDOWN
+--reap
+--source include/wait_until_disconnected.inc
+
+--connection server_3
+--append_file $MYSQLTEST_VARDIR/tmp/mysqld.3.expect
+restart
+EOF
+
+# No hang is *proved* to occur when this point is reached.
+--connection server_3
+--enable_reconnect
+--source include/wait_until_connected_again.inc
+
+
+# Cleanup
+
+--connection server_3
+set default_master_connection = '';
+--source include/start_slave.inc
+
+set default_master_connection = 'm2';
+--source include/start_slave.inc
+
+--connection server_1
+drop table t1;
+
+--connection server_2
+drop table t2;
+--save_master_pos
+
+# (!) The following block is critical to avoid check-mysqld_3.reject by mtr:
+--connection server_3
+--sync_with_master 0,'m2'
+set default_master_connection = 'm2';
+--source include/stop_slave.inc
+RESET SLAVE ALL;
+set default_master_connection = '';
+
+--source include/rpl_end.inc
--- a/mysql-test/suite/rpl/t/rpl_stm_lcase_tblnames.test
+++ b/mysql-test/suite/rpl/t/rpl_stm_lcase_tblnames.test
@@ -3,10 +3,10 @@
 #  For details look into extra/rpl_tests/rpl_lower_case_table_names.test
 #

+-- source include/have_binlog_format_mixed_or_statement.inc
 -- source include/master-slave.inc
 -- source include/have_innodb.inc
 -- source include/not_windows.inc
-- source include/have_binlog_format_mixed_or_statement.inc

 -- let $engine=InnoDB
 -- source include/rpl_lower_case_table_names.test
--- a/mysql-test/suite/sys_vars/r/debug_dbug_func.result
+++ b/mysql-test/suite/sys_vars/r/debug_dbug_func.result
@@ -1,55 +1,55 @@
-SET @old_debug = @@GLOBAL.debug;
+SET @old_debug = @@GLOBAL.debug_dbug;
 SET debug_dbug= 'T';
-select @@debug;
-@@debug
+select @@debug_dbug;
+@@debug_dbug
 T
 SET debug_dbug= '+P';
-select @@debug;
-@@debug
+select @@debug_dbug;
+@@debug_dbug
 P:T
 SET debug_dbug= '-P';
-select @@debug;
-@@debug
+select @@debug_dbug;
+@@debug_dbug
 T
-SELECT @@session.debug, @@global.debug;
-@@session.debug	@@global.debug
+SELECT @@session.debug_dbug, @@global.debug_dbug;
+@@session.debug_dbug	@@global.debug_dbug
 T	
 SET SESSION debug_dbug= '';
-SELECT @@session.debug, @@global.debug;
-@@session.debug	@@global.debug
+SELECT @@session.debug_dbug, @@global.debug_dbug;
+@@session.debug_dbug	@@global.debug_dbug
 	
 #
 # Bug #52629: memory leak from sys_var_thd_dbug in 
 #  binlog.binlog_write_error
 #
 SET GLOBAL debug_dbug='d,injecting_fault_writing';
-SELECT @@global.debug;
-@@global.debug
+SELECT @@global.debug_dbug;
+@@global.debug_dbug
 d,injecting_fault_writing
 SET GLOBAL debug_dbug='';
-SELECT @@global.debug;
-@@global.debug
+SELECT @@global.debug_dbug;
+@@global.debug_dbug

 SET GLOBAL debug_dbug=@old_debug;
 #
 # Bug #56709: Memory leaks at running the 5.1 test suite
 # 
-SET @old_local_debug = @@debug;
+SET @old_local_debug = @@debug_dbug;
 SET @@debug_dbug='d,foo';
-SELECT @@debug;
-@@debug
+SELECT @@debug_dbug;
+@@debug_dbug
 d,foo
 SET @@debug_dbug='';
-SELECT @@debug;
-@@debug
+SELECT @@debug_dbug;
+@@debug_dbug

 SET @@debug_dbug= @old_local_debug;
 End of 5.1 tests
 #
 # Bug#46165 server crash in dbug
 #
-SET @old_globaldebug = @@global.debug;
-SET @old_sessiondebug= @@session.debug;
+SET @old_globaldebug = @@global.debug_dbug;
+SET @old_sessiondebug= @@session.debug_dbug;
 # Test 1 - Bug test case, single connection
 SET GLOBAL  debug_dbug= '+O,MYSQL_TMP_DIR/bug46165.1.trace';
 SET SESSION debug_dbug= '-d:-t:-i';
--- a/mysql-test/suite/sys_vars/t/debug_dbug_func.test
+++ b/mysql-test/suite/sys_vars/t/debug_dbug_func.test
@@ -1,27 +1,27 @@
 --source include/have_debug.inc

-SET @old_debug = @@GLOBAL.debug;
+SET @old_debug = @@GLOBAL.debug_dbug;

 #
-# Bug#34678 @@debug variable's incremental mode
+# Bug#34678 @@debug_dbug variable's incremental mode
 #

 SET debug_dbug= 'T';
-select @@debug;
+select @@debug_dbug;
 SET debug_dbug= '+P';
-select @@debug;
+select @@debug_dbug;
 SET debug_dbug= '-P';
-select @@debug;
+select @@debug_dbug;

 #
-# Bug#38054: "SET SESSION debug" modifies @@global.debug variable
+# Bug#38054: "SET SESSION debug" modifies @@global.debug_dbug variable
 #

-SELECT @@session.debug, @@global.debug;
+SELECT @@session.debug_dbug, @@global.debug_dbug;

 SET SESSION debug_dbug= '';

-SELECT @@session.debug, @@global.debug;
+SELECT @@session.debug_dbug, @@global.debug_dbug;

 --echo #
 --echo # Bug #52629: memory leak from sys_var_thd_dbug in 
@@ -29,9 +29,9 @@ SELECT @@session.debug, @@global.debug;
 --echo #

 SET GLOBAL debug_dbug='d,injecting_fault_writing';
-SELECT @@global.debug;
+SELECT @@global.debug_dbug;
 SET GLOBAL debug_dbug='';
-SELECT @@global.debug;
+SELECT @@global.debug_dbug;

 SET GLOBAL debug_dbug=@old_debug;

@@ -39,12 +39,12 @@ SET GLOBAL debug_dbug=@old_debug;
 --echo # Bug #56709: Memory leaks at running the 5.1 test suite
 --echo # 

-SET @old_local_debug = @@debug;
+SET @old_local_debug = @@debug_dbug;

 SET @@debug_dbug='d,foo';
-SELECT @@debug;
+SELECT @@debug_dbug;
 SET @@debug_dbug='';
-SELECT @@debug;
+SELECT @@debug_dbug;

 SET @@debug_dbug= @old_local_debug;

@@ -55,8 +55,8 @@ SET @@debug_dbug= @old_local_debug;
 --echo # Bug#46165 server crash in dbug
 --echo #

-SET @old_globaldebug = @@global.debug;
-SET @old_sessiondebug= @@session.debug;
+SET @old_globaldebug = @@global.debug_dbug;
+SET @old_sessiondebug= @@session.debug_dbug;

 --echo # Test 1 - Bug test case, single connection
 --replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR
--- a/mysql-test/unstable-tests
+++ b/mysql-test/unstable-tests
@@ -23,93 +23,95 @@
 #
 ##############################################################################
 #
-# Based on bb-10.4-release a15234bf4bf98d7833996284c033fc53a981f5d4
+# Based on bb-10.4-release ee33c4a6946c4291f103437428e34a405193b270

 main.alter_table_trans                : MDEV-12084 - timeout
 main.analyze_stmt_slow_query_log      : MDEV-12237 - Wrong result
 main.auth_named_pipe                  : MDEV-14724 - System error 2
-main.auto_increment_ranges_innodb     : Include file modified in 10.4.9
-main.auto_increment_ranges_myisam     : Include file modified in 10.4.9
-main.backup_interaction               : Modified in 10.4.9
 main.binary_to_hex                    : MDEV-20211 - Wrong result
-main.brackets                         : Modified in 10.4.9
-main.compare                          : Modified in 10.4.9
+main.cache_temporal_4265              : Modified in 10.4.12
 main.connect                          : MDEV-17282 - Wrong result
 main.connect-abstract                 : MDEV-20162 - Could not execute 'check-testcase'
 main.connect2                         : MDEV-13885 - Server crash
+main.connect_debug                    : Modified in 10.4.12
 main.count_distinct2                  : MDEV-11768 - timeout
 main.create                           : Modified in 10.4.11
 main.create_delayed                   : MDEV-10605 - failed with timeout
 main.create_drop_event                : MDEV-16271 - Wrong result
-main.cte_nonrecursive                 : Modified in 10.4.9
+main.create_or_replace2               : Modified in 10.4.12
+main.cte_nonrecursive                 : Modified in 10.4.12
 main.ctype_cp932_binlog_stm           : MDEV-20534 - Wrong result
-main.ctype_many                       : Modified in 10.4.9
-main.ctype_uca                        : Include file modified in 10.4.9
-main.ctype_uca_innodb                 : Include file modified in 10.4.9
 main.ctype_ucs                        : MDEV-17681 - Data too long for column
 main.ctype_upgrade                    : MDEV-16945 - Error upon mysql_upgrade
 main.ctype_utf16                      : MDEV-10675: timeout or extra warnings
 main.ctype_utf16le                    : MDEV-10675: timeout or extra warnings
-main.ctype_utf8                       : Include file modified in 10.4.9
 main.ctype_utf8mb4_innodb             : MDEV-17744 - Timeout; MDEV-18567 - ASAN use-after-poison
 main.debug_sync                       : MDEV-10607 - internal error
+main.default_session                  : Modified in 10.4.12
 main.delayed                          : MDEV-20961 - Assertion failure
-main.derived_cond_pushdown            : MDEV-20532 - Floating point differences
+main.delete_use_source                : Modified in 10.4.12
+main.derived_cond_pushdown            : MDEV-20532 - Floating point differences; modified in 10.4.12
 main.derived_opt                      : MDEV-11768 - timeout
 main.dirty_close                      : MDEV-19368 - mysqltest failed but provided no output
 main.distinct                         : MDEV-14194 - Crash
-main.drop_bad_db_type                 : MDEV-15676 - Wrong result; modified in 10.4.9
-main.drop_debug                       : Modified in 10.1.42
+main.drop_bad_db_type                 : MDEV-15676 - Wrong result; modified in 10.4.12
 main.dyncol                           : MDEV-19455 - Extra warning
+main.engine_error_in_alter-8453       : Modified in 10.4.12
+main.error_simulation                 : Modified in 10.4.12
 main.events_2                         : MDEV-13277 - Crash
-main.events_bugs                      : MDEV-12892 - Crash
+main.events_bugs                      : MDEV-12892 - Crash; modified in 10.4.12
 main.events_restart                   : MDEV-12236 - Server shutdown problem
 main.events_slowlog                   : MDEV-12821 - Wrong result
 main.flush                            : MDEV-19368 - mysqltest failed but provided no output
 main.flush_ssl                        : MDEV-21276 - Aria recovery failure
-main.func_json                        : Modified in 10.4.9
-main.func_math                        : MDEV-20966 - Wrong error code; modified in 10.4.9
-main.func_misc                        : Modified in 10.4.9
+main.foreign_key                      : Modified in 10.4.12
+main.func_math                        : MDEV-20966 - Wrong error code; modified in 10.4.12
+main.func_misc                        : Modified in 10.4.12
+main.func_regexp_pcre                 : Modified in 10.4.12
+main.func_regexp_pcre_debug           : Modified in 10.4.12
+main.func_time                        : Modified in 10.4.12
 main.gis                              : MDEV-13411 - wrong result on P8
 main.gis_notembedded                  : MDEV-21264 - Wrong result with non-default charset
+main.group_by                         : Modified in 10.4.12
+main.having_cond_pushdown             : Modified in 10.4.12
 main.host_cache_size_functionality    : MDEV-10606 - sporadic failure on shutdown
 main.index_intersect_innodb           : MDEV-10643 - failed with timeout
-main.index_merge_innodb               : MDEV-7142 - Plan mismatch; modified in 10.4.9
-main.index_merge_myisam               : Modified in 10.4.9
-main.information_schema_db            : Modified in 10.4.9
+main.index_merge_innodb               : MDEV-7142 - Plan mismatch
 main.innodb_icp                       : MDEV-20168 - Wrong execution plans
 main.innodb_mysql_lock                : MDEV-7861 - Wrong result
+main.insert_debug                     : Added in 10.4.12
 main.ipv4_and_ipv6                    : MDEV-20964 - Wrong result
 main.ipv6                             : MDEV-20964 - Wrong result
-main.join                             : Modified in 10.1.42
-main.join_cache                       : MDEV-17743 - Bad address from storage engine MyISAM
-main.kill                             : Modified in 10.2.28
+main.join                             : Modified in 10.4.12
+main.join_cache                       : MDEV-17743 - Bad address from storage engine MyISAM; modified in 10.4.12
 main.kill-2                           : MDEV-13257 - Wrong result
 main.kill_processlist-6619            : MDEV-10793 - Wrong result
 main.loaddata                         : MDEV-19368 - mysqltest failed but provided no output
 main.locale                           : MDEV-20521 - Missing warning
 main.log_slow                         : MDEV-13263 - Wrong result
-main.log_slow_debug                   : Modified in 10.4.9
+main.log_slow_debug                   : Modified in 10.4.12
 main.log_tables-big                   : MDEV-13408 - wrong result
 main.log_tables_upgrade               : MDEV-20962 - Wrong result
 main.mdev-504                         : MDEV-15171 - warning
 main.mdev375                          : MDEV-10607 - sporadic "can't connect"
+main.mdev6830                         : Modified in 10.4.12
 main.merge                            : MDEV-10607 - sporadic "can't connect"
+main.merge-big                        : Modified in 10.4.12
+main.merge_debug                      : Modified in 10.4.12
 main.multi_update_debug               : MDEV-20136 - Debug sync point wait timed out
-main.myisam                           : Modified in 10.4.9
+main.myisam_debug                     : Modified in 10.4.12
 main.mysql                            : MDEV-20156 - Wrong result
 main.mysql_client_test                : MDEV-19369 - error: 5888, status: 23, errno: 2; MDEV-19511 - Big endian issue
 main.mysql_client_test_comp           : MDEV-16641 - Error in exec
 main.mysql_client_test_nonblock       : CONC-208 - Error on Power; MDEV-15096 - exec failed
 main.mysql_cp932                      : MDEV-21275 - Wrong result
 main.mysql_upgrade                    : MDEV-20161 - Wrong result; MDEV-20166 - FATAL ERROR: Upgrade failed
-main.mysql_upgrade-20228              : Added in 10.4.9
 main.mysql_upgrade_no_innodb          : MDEV-20537 - Wrong result
 main.mysql_upgrade_noengine           : MDEV-14355 - Wrong result
 main.mysql_upgrade_view               : MDEV-20161 - Wrong result
 main.mysqladmin                       : MDEV-20535 - Wrong result
 main.mysqlcheck                       : MDEV-20164 - Wrong result
-main.mysqld_option_err                : MDEV-21236 - Wrong error
+main.mysqld_option_err                : MDEV-21236 - Wrong error; MDEV-21571 - Crash on bootstrap
 main.mysqldump                        : MDEV-14800 - Stack smashing detected
 main.mysqldump-max                    : MDEV-21272 - Wrong result
 main.mysqlhotcopy_myisam              : MDEV-10995 - Hang on debug
@@ -118,74 +120,72 @@ main.mysqlslap                        : MDEV-11801 - timeout
 main.mysqltest                        : MDEV-13887 - Wrong result
 main.old-mode                         : MDEV-19373 - Wrong result
 main.openssl_6975                     : MDEV-17184 - Failures with OpenSSL 1.1.1
+main.opt_tvc                          : Modified in 10.4.12
 main.order_by                         : Modified in 10.4.11
-main.order_by_innodb                  : Modified in 10.4.9
 main.order_by_optimizer_innodb        : MDEV-10683 - Wrong result
-main.parser                           : Modified in 10.4.9
-main.partition_debug_sync             : MDEV-15669 - Deadlock found when trying to get lock; modified in 10.4.9
-main.partition_innodb                 : MDEV-20169 - Wrong result; modified in 10.4.9
+main.partition_debug_sync             : MDEV-15669 - Deadlock found when trying to get lock
+main.partition_innodb                 : MDEV-20169 - Wrong result
 main.partition_innodb_plugin          : MDEV-12901 - Valgrind warnings
 main.partition_innodb_semi_consistent : MDEV-19411 - Failed to start mysqld.1
 main.partition_mrr_aria               : Added in 10.4.11
 main.partition_mrr_innodb             : Added in 10.4.11
 main.partition_mrr_myisam             : Added in 10.4.11
 main.partition_pruning                : Modified in 10.4.11
-main.partition_ucs2                   : Added in 10.4.9
-main.partition_utf8                   : Modified in 10.4.9
-main.plugin                           : Include file modified in 10.4.9
 main.plugin_auth                      : MDEV-20957 - Upgrade file was not properly created
 main.plugin_auth_qa_2                 : MDEV-20165 - Wrong result
 main.pool_of_threads                  : MDEV-18135 - SSL error: key too small
-main.processlist                      : Modified in 10.4.9
-main.processlist_notembedded          : Added in 10.4.9
-main.ps                               : MDEV-11017 - sporadic wrong Prepared_stmt_count; modified in 10.4.9
+main.ps                               : MDEV-11017 - sporadic wrong Prepared_stmt_count
 main.query_cache                      : MDEV-16180 - Wrong result
 main.query_cache_debug                : MDEV-15281 - Query cache is disabled
+main.range_innodb                     : Modified in 10.4.12
+main.range_interrupted-13751          : Modified in 10.4.12
 main.range_vs_index_merge_innodb      : MDEV-15283 - Server has gone away
-main.rowid_filter_innodb              : MDEV-20538 - Wrong result; modified in 10.4.11
+main.rowid_filter_innodb              : MDEV-20538 - Wrong result; modified in 10.4.12
 main.select                           : MDEV-20532 - Floating point differences
+main.select_debug                     : Modified in 10.4.12
 main.select_jcl6                      : MDEV-20532 - Floating point differences
 main.select_pkeycache                 : MDEV-20532 - Floating point differences
 main.selectivity                      : Modified in 10.4.11
 main.set_statement                    : MDEV-13183 - Wrong result
 main.set_statement_notembedded        : MDEV-19414 - Wrong result
 main.shm                              : MDEV-12727 - Mismatch, ERROR 2013
-main.show_explain                     : MDEV-10674 - Wrong result code
-main.sp                               : MDEV-7866 - Mismatch; modified in 10.4.9
-main.sp-code                          : Modified in 10.4.9
+main.show_explain                     : MDEV-10674 - Wrong result code; modified in 10.4.12
+main.show_explain_non_select          : Modified in 10.4.12
+main.show_explain_ps                  : Modified in 10.4.12
+main.slowlog_enospace-10508           : Modified in 10.4.12
+main.sp                               : MDEV-7866 - Mismatch
 main.sp-security                      : MDEV-10607 - sporadic "can't connect"
 main.sp_notembedded                   : MDEV-10607 - internal error
 main.ssl                              : MDEV-17184 - Failures with OpenSSL 1.1.1
-main.ssl_7937                         : MDEV-20958 - Wrong result
+main.ssl_7937                         : MDEV-20958 - Wrong result; modified in 10.4.12
+main.ssl_8k_key                       : Modified in 10.4.12
 main.ssl_ca                           : MDEV-10895 - SSL connection error on Power
 main.ssl_cipher                       : MDEV-17184 - Failures with OpenSSL 1.1.1
 main.ssl_crl                          : MDEV-19119 - Wrong error code; modified in 10.4.11
+main.ssl_crl_clients                  : Modified in 10.4.12
+main.ssl_system_ca                    : Added in 10.4.12
 main.ssl_timeout                      : MDEV-11244 - Crash
-main.stat_tables                      : Modified in 10.4.9
+main.stat_tables-enospc               : Modified in 10.4.12
 main.stat_tables_par                  : MDEV-13266 - Wrong result
 main.stat_tables_par_innodb           : MDEV-14155 - Wrong rounding
-main.statement-expr                   : Modified in 10.4.9
 main.status                           : MDEV-13255 - Wrong result
-main.subselect                        : MDEV-20551 - Valgrind failure; modified in 10.4.9
+main.subselect                        : MDEV-20551 - Valgrind failure
 main.subselect_innodb                 : MDEV-10614 - Wrong result
-main.subselect_notembedded            : Modified in 10.4.9
-main.subselect_sj                     : Modified in 10.4.9
-main.sum_distinct-big                 : Modified in 10.4.9
-main.table_value_constr               : Modified in 10.4.9
 main.tc_heuristic_recover             : MDEV-14189 - Wrong result
-main.tls_version                      : MDEV-20170 - Unknown SSL error
-main.tls_version1                     : MDEV-20170 - Unknown SSL error
+main.timezone2                        : Modified in 10.4.12
 main.type_blob                        : MDEV-15195 - Wrong result
-main.type_date                        : Modified in 10.1.42
-main.type_datetime                    : Modified in 10.1.42
+main.type_datetime                    : Modified in 10.4.12
 main.type_datetime_hires              : MDEV-10687 - Timeout
 main.type_float                       : MDEV-20532 - Floating point differences
-main.type_int                         : Modified in 10.1.42
-main.type_newdecimal                  : MDEV-20532 - Floating point differences; modified in 10.4.9
+main.type_int                         : Modified in 10.4.12
+main.type_newdecimal                  : MDEV-20532 - Floating point differences
 main.type_ranges                      : MDEV-20532 - Floating point differences
-main.uniques_crash-7912               : MDEV-21210 - Excessive memory consumption
+main.type_time                        : Modified in 10.4.12
+main.union_crash-714                  : Modified in 10.4.12
 main.userstat                         : MDEV-12904 - SSL errors
 main.wait_timeout                     : MDEV-19023 - Lost connection to MySQL server during query
+main.warnings_debug                   : Modified in 10.4.12
+main.win                              : Modified in 10.4.12
 main.xa                               : MDEV-11769 - lock wait timeout

 #-----------------------------------------------------------------------
@@ -202,44 +202,47 @@ archive-test_sql_discovery.discover : MDEV-16817 - Table marked as crashed

 #-----------------------------------------------------------------------

-binlog.backup                        : Added in 10.4.9
 binlog.binlog_commit_wait                        : MDEV-10150 - Mismatch
+binlog.binlog_index                              : Include file modified in 10.2.31
+binlog.binlog_invalid_read_in_rotate             : Added in 10.4.12
+binlog.binlog_ioerr                              : MDEV-20159 - Assertion failure; include file modified in 10.2.31
 binlog.binlog_killed                             : MDEV-12925 - Wrong result
 binlog.binlog_max_extension                      : MDEV-19762 - Crash on shutdown
-binlog.binlog_mysqlbinlog_row        : Modified in 10.4.9
 binlog.binlog_mysqlbinlog_row_innodb             : MDEV-20530 - Binary files differ
 binlog.binlog_mysqlbinlog_row_myisam             : MDEV-20530 - Binary files differ
+binlog.binlog_parallel_replication_marks_row     : Include file modified in 10.4.12
+binlog.binlog_parallel_replication_marks_stm_mix : Include file modified in 10.4.12
 binlog.binlog_row_binlog                         : MDEV-20213 - Server crash
-binlog.binlog_row_drop_tmp_tbl       : Include file modified in 10.1.42
+binlog.binlog_show_binlog_event_random_pos       : Added in 10.4.12
 binlog.binlog_stm_binlog                         : MDEV-20412 - Wrong result
-binlog.binlog_stm_drop_tmp_tbl       : Include file modified in 10.1.42
+binlog.binlog_write_error                        : Include file Include file modified in 10.2.31
 binlog.binlog_xa_recover                         : MDEV-8517 - Extra checkpoint
 binlog.flashback-largebinlog                     : MDEV-19764 - Out of memory
 binlog.load_data_stm_view                        : MDEV-16948 - Wrong result
-binlog.read_only                     : Added in 10.4.9
-binlog.read_only_statement           : Added in 10.4.9
 binlog.show_concurrent_rotate                    : MDEV-20215 - Wrong result

 #-----------------------------------------------------------------------

 binlog_encryption.binlog_incident                          : MDEV-20213 - Server crash
-binlog_encryption.binlog_mdev_20574_old_binlog             : Added in 10.4.9
+binlog_encryption.binlog_index                             : Include file modified in 10.4.12
+binlog_encryption.binlog_ioerr                             : Include file modified in 10.4.12
+binlog_encryption.binlog_write_error                       : Include file Include file modified in 10.4.12
 binlog_encryption.binlog_xa_recover                        : MDEV-12908 - Extra checkpoint
 binlog_encryption.encrypted_master                         : MDEV-14201 - Extra warnings
 binlog_encryption.encrypted_master_switch_to_unencrypted   : MDEV-14190 - Can't init tc log
 binlog_encryption.encrypted_slave                          : MDEV-18135 - SSL error: key too small
 binlog_encryption.encryption_combo                         : MDEV-14199 - Table is marked as crashed
-binlog_encryption.multisource                              : MDEV-20213 - Server crash
-binlog_encryption.mysqlbinlog                              : Modified in 10.4.9
-binlog_encryption.rpl_binlog_errors                        : MDEV-12742 - Crash; include file modified in 10.4.9
-binlog_encryption.rpl_checksum                             : MDEV-16951 - Wrong result
-binlog_encryption.rpl_corruption                           : MDEV-20159 - Assertion failure; MDEV-20953 - Wrong error code; include file modified in 10.4.11
+binlog_encryption.multisource                              : MDEV-20213 - Server crash; MDEV-21289 - Wrong error code
+binlog_encryption.rpl_binlog_errors                        : MDEV-12742 - Crash
+binlog_encryption.rpl_checksum                             : MDEV-16951 - Wrong result; include file modified in 10.4.12
+binlog_encryption.rpl_corruption                           : MDEV-20159 - Assertion failure; MDEV-20953 - Wrong error code; include file modified in 10.4.12
 binlog_encryption.rpl_gtid_basic                           : MDEV-16947 - Server failed to start
-binlog_encryption.rpl_init_slave_errors                    : MDEV-20213 - Server crash
+binlog_encryption.rpl_incident                             : Include file modified in 10.4.12
+binlog_encryption.rpl_init_slave_errors                    : MDEV-20213 - Server crash; include file modified in 10.4.12
 binlog_encryption.rpl_loadfile                             : MDEV-16645 - Timeout in include
 binlog_encryption.rpl_mixed_binlog_max_cache_size          : MDEV-20956 - Incorrect checksum for freed object
-binlog_encryption.rpl_parallel                             : MDEV-10653 - Timeout in include
-binlog_encryption.rpl_parallel_ignored_errors              : Added in 10.4.9
+binlog_encryption.rpl_parallel                             : MDEV-10653 - Timeout in include; include file modified in 10.4.12
+binlog_encryption.rpl_parallel_ignored_errors              : Include file modified in 10.4.12
 binlog_encryption.rpl_relayrotate                          : MDEV-15194 - Timeout
 binlog_encryption.rpl_semi_sync                            : MDEV-11673 - Valgrind
 binlog_encryption.rpl_skip_replication                     : MDEV-13571 - Unexpected warning; MDEV-20573 - Wrong result
@@ -252,39 +255,36 @@ binlog_encryption.rpl_typeconv                             : MDEV-14362 - Lost c

 #-----------------------------------------------------------------------

-compat/oracle.plugin         : Include file modified in 10.4.9
-compat/oracle.ps             : Modified in 10.4.9
-compat/oracle.statement-expr : Modified in 10.4.9
+compat/oracle.sp-goto       : Modified in 10.4.12
+compat/oracle.sp-goto-debug : Added in 10.4.12

 #-----------------------------------------------------------------------

 connect.alter            : MDEV-18135 - SSL error: key too small
 connect.drop-open-error  : MDEV-18135 - SSL error: key too small
-connect.grant            : Modified in 10.4.9
-connect.grant2           : Modified in 10.4.9
-connect.ini_grant        : Modified in 10.4.9
+connect.grant            : Modified in 10.1.44
+connect.grant2           : Modified in 10.1.44
+connect.ini_grant        : Modified in 10.1.44
 connect.json             : MDEV-18135 - SSL error: key too small
-connect.mysql_grant      : Modified in 10.4.9
+connect.mysql_grant      : Modified in 10.1.44
 connect.part_file        : MDEV-18135 - SSL error: key too small
 connect.part_table       : MDEV-18135 - SSL error: key too small
 connect.pivot            : MDEV-14803 - Failed to discover table
 connect.secure_file_priv : MDEV-18135 - SSL error: key too small
 connect.vcol             : MDEV-12374 - Fails on Windows
-connect.xml2_grant       : Include file modified in 10.4.9
-connect.xml_grant        : Include file modified in 10.4.9
+connect.xml2_grant       : Include file modified in 10.1.44
+connect.xml_grant        : Include file modified in 10.1.44
 connect.zip              : MDEV-13884 - Wrong result

 #-----------------------------------------------------------------------

 encryption.corrupted_during_recovery             : MDEV-20159 - Assertion failure
-encryption.create_or_replace                     : MDEV-12694 - Timeout; MDEV-16115 - Trying to access tablespace
+encryption.create_or_replace                     : MDEV-16115 - Trying to access tablespace
 encryption.debug_key_management                  : MDEV-13841 - Timeout
 encryption.encrypt_and_grep                      : MDEV-13765 - Wrong result
 encryption.innochecksum                          : MDEV-13644 - Assertion failure
-encryption.innodb-bad-key-change                 : Combinations added in 10.4.9
-encryption.innodb-bad-key-change2                : MDEV-19118 - Can't connect to local MySQL server through socket; combinations added in 10.4.9
-encryption.innodb-bad-key-change3                : Combinations added in 10.4.9
-encryption.innodb-bad-key-change4                : Modified in 10.4.9
+encryption.innodb-bad-key-change2                : MDEV-19118 - Can't connect to local MySQL server through socket
+encryption.innodb-checksum-algorithm             : MDEV-20213 - Server crash
 encryption.innodb-compressed-blob                : MDEV-14728 - Unable to get certificate
 encryption.innodb-discard-import                 : MDEV-19113 - Timeout
 encryption.innodb-encryption-alter               : MDEV-13566 - Lock wait timeout
@@ -294,7 +294,7 @@ encryption.innodb-missing-key                    : MDEV-14728 - SSL error
 encryption.innodb-page_encryption                : MDEV-10641 - mutex problem
 encryption.innodb-page_encryption_log_encryption : MDEV-17339 - Crash on restart
 encryption.innodb-read-only                      : MDEV-16563 - Crash on startup
-encryption.innodb-redo-badkey                    : MDEV-20839 - Extra warnings; re-enabled in 10.4.9; modified in 10.4.9
+encryption.innodb-redo-badkey                    : Modified in 10.4.12
 encryption.innodb-redo-nokeys                    : MDEV-20159 - Assertion failure
 encryption.innodb-remove-encryption              : MDEV-16493 - Timeout in wait condition
 encryption.innodb-spatial-index                  : MDEV-13746 - Wrong result
@@ -306,6 +306,7 @@ encryption.innodb_encryption                     : MDEV-15675 - Timeout
 encryption.innodb_encryption-page-compression    : MDEV-12630 - crash or assertion failure
 encryption.innodb_encryption_discard_import      : MDEV-16116 - Wrong result
 encryption.innodb_encryption_filekeys            : MDEV-15673 - Timeout
+encryption.innodb_encryption_is                  : MDEV-12898 - Server hang on startup
 encryption.innodb_encryption_row_compressed      : MDEV-16113 - Crash
 encryption.innodb_encryption_tables              : MDEV-17339 - Crash on restart
 encryption.innodb_first_page                     : MDEV-10689 - Crash
@@ -334,11 +335,10 @@ federated.federated_innodb       : MDEV-10617 - Wrong checksum
 federated.federated_partition    : MDEV-10417 - Fails on Mips
 federated.federated_transactions : MDEV-10617 - Wrong checksum
 federated.federatedx             : MDEV-10617 - Wrong checksum; modified in 10.4.11
-federated.federatedx_versioning  : Modified in 10.4.9

 #-----------------------------------------------------------------------

-funcs_1.is_basics_mixed         : Modified in 10.4.9
+funcs_1.is_check_constraints    : Modified in 10.4.12
 funcs_1.memory_views            : MDEV-11773 - timeout
 funcs_1.processlist_val_no_prot : MDEV-11223 - Wrong result
 funcs_1.processlist_val_ps      : MDEV-12175 - Wrong plan
@@ -365,34 +365,33 @@ galera_3nodes.* : Suite is not stable yet
 gcol.gcol_rollback              : MDEV-16954 - Unknown storage engine 'InnoDB'
 gcol.innodb_virtual_basic       : MDEV-16950 - Failing assertion
 gcol.innodb_virtual_debug       : MDEV-19114 - Assertion failure
-gcol.innodb_virtual_debug_purge : MDEV-16952 - Wrong result; modified in 10.4.9
+gcol.innodb_virtual_debug_purge : MDEV-16952 - Wrong result; modified in 10.4.12
 gcol.innodb_virtual_fk_restart  : MDEV-17466 - Assertion failure

 #-----------------------------------------------------------------------

 innodb.101_compatibility                     : MDEV-13891 - Wrong result
-innodb.alter_algorithm                       : Modified in 10.4.9
 innodb.alter_copy                            : MDEV-16181 - Assertion failure
 innodb.alter_crash                           : MDEV-16944 - The process cannot access the file
 innodb.alter_large_dml                       : MDEV-20148 - Debug sync point wait timed out
+innodb.alter_not_null_debug                  : Modified in 10.4.12
 innodb.autoinc_persist                       : MDEV-15282 - Assertion failure
 innodb.binlog_consistent                     : MDEV-10618 - Server fails to start
 innodb.blob-crash                            : MDEV-19298 - Assertion failure
+innodb.blob-update-debug                     : Modified in 10.4.12
 innodb.doublewrite                           : MDEV-12905 - Server crash
-innodb.full_crc32_import                     : Modified in 10.4.9
+innodb.full_crc32_import                     : Modified in 10.4.12
 innodb.group_commit_crash                    : MDEV-14191 - InnoDB registration failed
 innodb.group_commit_crash_no_optimize_thread : MDEV-13830 - Assertion failure
 innodb.ibuf_not_empty                        : MDEV-19021 - Wrong result; modified in 10.4.11
-innodb.information_schema_grants             : Added in 10.4.9
 innodb.innodb-32k-crash                      : MDEV-20194 - Extra warnings; modified in 10.4.11
 innodb.innodb-64k-crash                      : MDEV-13872 - Failure and crash on startup; modified in 10.4.11
 innodb.innodb-alter-debug                    : MDEV-13182 - InnoDB: adjusting FSP_SPACE_FLAGS
-innodb.innodb-alter-nullable                 : Modified in 10.4.9
 innodb.innodb-alter-table                    : MDEV-10619 - Testcase timeout
-innodb.innodb-autoinc                        : Modified in 10.4.9
 innodb.innodb-bigblob                        : MDEV-18655 - ASAN unknown crash
 innodb.innodb-blob                           : MDEV-12053 - Client crash
-innodb.innodb-change-buffer-recovery         : MDEV-19115 - Lost connection to MySQL server during query; modified in 10.4.9
+innodb.innodb-change-buffer-recovery         : MDEV-19115 - Lost connection to MySQL server during query
+innodb.innodb-dict                           : MDEV-20159 - Assertion failure
 innodb.innodb-fk                             : MDEV-13832 - Assertion failure on shutdown
 innodb.innodb-get-fk                         : MDEV-13276 - Server crash
 innodb.innodb-index-online                   : MDEV-14809 - Cannot save statistics
@@ -402,21 +401,26 @@ innodb.innodb-page_compression_lzma          : MDEV-14353 - Wrong result
 innodb.innodb-page_compression_snappy        : MDEV-13644 - Assertion failure
 innodb.innodb-page_compression_tables        : MDEV-13644 - Assertion failure
 innodb.innodb-page_compression_zip           : MDEV-10641 - mutex problem
+innodb.innodb-replace-debug                  : Modified in 10.4.12
+innodb.innodb-stats-initialize-failure       : Modified in 10.4.12
 innodb.innodb-table-online                   : MDEV-13894 - Wrong result
-innodb.innodb-virtual-columns-debug          : Modified in 10.4.9
+innodb.innodb-timeout                        : MDEV-20159 - Assertion failure
 innodb.innodb-wl5522                         : MDEV-13644 - Assertion failure
 innodb.innodb-wl5522-debug                   : MDEV-14200 - Wrong errno
 innodb.innodb_buffer_pool_dump_pct           : MDEV-20139 - Timeout in wait_condition.inc
 innodb.innodb_buffer_pool_resize             : MDEV-16964 - Assertion failure
 innodb.innodb_buffer_pool_resize_with_chunks : MDEV-16964 - Assertion failure
+innodb.innodb_bug11754376                    : Modified in 10.4.12
 innodb.innodb_bug14147491                    : MDEV-11808 - Index is corrupt
+innodb.innodb_bug30113362                    : Added in 10.4.12
 innodb.innodb_bug30423                       : MDEV-7311 - Wrong result
 innodb.innodb_bug47167                       : MDEV-20524 - Table 'user' is marked as crashed and should be repaired
 innodb.innodb_bug48024                       : MDEV-14352 - Assertion failure
+innodb.innodb_bug56947                       : Modified in 10.4.12
 innodb.innodb_bug59641                       : MDEV-13830 - Assertion failure
 innodb.innodb_bulk_create_index_replication  : MDEV-15273 - Slave failed to start
+innodb.innodb_corrupt_bit                    : Modified in 10.4.12
 innodb.innodb_defrag_stats_many_tables       : MDEV-14198 - Table is full
-innodb.innodb_force_recovery                 : Modified in 10.4.9
 innodb.innodb_information_schema             : MDEV-8851 - Wrong result
 innodb.innodb_max_recordsize_32k             : MDEV-14801 - Operation failed; modified in 10.4.11
 innodb.innodb_max_recordsize_64k             : MDEV-15203 - Wrong result; modified in 10.4.11
@@ -425,35 +429,37 @@ innodb.innodb_mysql                          : MDEV-19873 - Wrong result
 innodb.innodb_prefix_index_restart_server    : MDEV-20213 - Server crash
 innodb.innodb_simulate_comp_failures_small   : MDEV-20526 - ASAN use-after-poison
 innodb.innodb_stats                          : MDEV-10682 - wrong result
-innodb.innodb_stats_persistent               : MDEV-17745 - Wrong result; modified in 10.4.9
+innodb.innodb_stats_persistent               : MDEV-17745 - Wrong result; MDEV-21567 - Wrong result in execution plan
 innodb.innodb_stats_persistent_debug         : MDEV-14801 - Operation failed
-innodb.innodb_sys_semaphore_waits            : MDEV-10331 - Semaphore wait
+innodb.innodb_sys_semaphore_waits            : MDEV-10331 - Semaphore wait; modified in 10.4.12
+innodb.innodb_wl6326                         : Added in 10.4.12
+innodb.innodb_wl6326_big                     : Added in 10.4.12
 innodb.innodb_zip_innochecksum2              : MDEV-13882 - Warning: difficult to find free blocks
-innodb.instant_alter                         : Modified in 10.4.11
+innodb.instant_alter                         : Modified in 10.4.12
 innodb.instant_alter_bugs                    : Modified in 10.4.11
 innodb.instant_alter_debug                   : Modified in 10.4.11
 innodb.instant_alter_extend                  : MDEV-20963 - Binary files differ
-innodb.instant_alter_index_rename            : Modified in 10.4.9
 innodb.instant_alter_limit                   : Modified in 10.4.11
+innodb.leaf_page_corrupted_during_recovery   : MDEV-21572 - Server crash
 innodb.log_corruption                        : MDEV-13251 - Wrong result
 innodb.log_data_file_size                    : MDEV-14204 - Server failed to start; MDEV-20648 - Assertion failure
 innodb.log_file                              : MDEV-20159 - Assertion failure
 innodb.log_file_name                         : MDEV-14193 - Exception
 innodb.log_file_size                         : MDEV-15668 - Not found pattern
 innodb.monitor                               : MDEV-16179 - Wrong result
+innodb.page_id_innochecksum                  : MDEV-20159 - Assertion failure
 innodb.purge_secondary                       : MDEV-15681 - Wrong result
 innodb.purge_secondary_mdev-16222            : MDEV-20528 - Debug sync point wait timed out
 innodb.purge_thread_shutdown                 : MDEV-13792 - Wrong result
 innodb.read_only_recovery                    : MDEV-13886 - Server crash
 innodb.recovery_shutdown                     : MDEV-15671 - Checksum mismatch in datafile
+innodb.redo_log_during_checkpoint            : Modified in 10.4.12
 innodb.row_format_redundant                  : MDEV-15192 - Trying to access missing tablespace
-innodb.row_size_error_log_warnings_3         : Added in 10.4.11
-innodb.stat_tables                           : Added in 10.4.9
+innodb.row_size_error_log_warnings_3         : Modified in 10.4.12
 innodb.table_definition_cache_debug          : MDEV-14206 - Extra warning
 innodb.table_flags                           : MDEV-13572 - Wrong result; MDEV-19374 - Server failed to start
 innodb.temporary_table                       : MDEV-13265 - Wrong result
-innodb.temporary_table_optimization          : Modified in 10.4.9
-innodb.trx_id_future                         : Modified in 10.1.42
+innodb.truncate_inject                       : Modified in 10.2.31
 innodb.undo_log                              : Modified in 10.4.11
 innodb.undo_truncate                         : MDEV-17340 - Server hung; MDEV-20840 - Sporadic timeout
 innodb.undo_truncate_recover                 : MDEV-17679 - Server has gone away; MDEV-19200 - Shutdown fails
@@ -462,13 +468,13 @@ innodb.xa_recovery                           : MDEV-15279 - mysqld got exception

 #-----------------------------------------------------------------------

-innodb_fts.concurrent_insert           : MDEV-21223 - Server crash; modified in 10.4.9
-innodb_fts.crash_recovery              : Modified in 10.4.9
+innodb_fts.concurrent_insert           : Modified in 10.4.12
 innodb_fts.innodb_fts_misc             : Modified in 10.4.11
 innodb_fts.innodb_fts_misc_debug       : MDEV-14156 - Unexpected warning
 innodb_fts.innodb_fts_plugin           : MDEV-13888 - Errors in server log
 innodb_fts.innodb_fts_stopword_charset : MDEV-13259 - Table crashed
 innodb_fts.sync                        : MDEV-14808 - Wrong result
+innodb_fts.sync_block                  : Modified in 10.4.12
 innodb_fts.sync_ddl                    : MDEV-18654 - Assertion failure

 #-----------------------------------------------------------------------
@@ -477,8 +483,11 @@ innodb_gis.alter_spatial_index   : MDEV-13745 - Server crash
 innodb_gis.innodb_gis_rtree      : MDEV-20213 - Server crash
 innodb_gis.rtree_compress2       : MDEV-16269 - Wrong result
 innodb_gis.rtree_concurrent_srch : MDEV-15284 - Wrong result with embedded
+innodb_gis.rtree_debug           : Modified in 10.4.12
 innodb_gis.rtree_purge           : MDEV-15275 - Timeout
 innodb_gis.rtree_recovery        : MDEV-15274 - Error on check
+innodb_gis.rtree_rollback1       : Modified in 10.4.12
+innodb_gis.rtree_rollback2       : Modified in 10.4.12
 innodb_gis.rtree_split           : MDEV-14208 - Too many arguments
 innodb_gis.rtree_undo            : MDEV-14456 - Timeout in include file
 innodb_gis.types                 : MDEV-15679 - Table is marked as crashed
@@ -486,7 +495,7 @@ innodb_gis.types                 : MDEV-15679 - Table is marked as crashed
 #-----------------------------------------------------------------------

 innodb_zip.bug53591                 : Modified in 10.4.11
-innodb_zip.cmp_per_index            : MDEV-14490 - Table is marked as crashed
+innodb_zip.cmp_per_index            : MDEV-14490 - Table is marked as crashed; modified in 10.4.12
 innodb_zip.innochecksum             : MDEV-14486 - Server failed to shut down
 innodb_zip.innochecksum_3           : MDEV-13279 - Extra warnings
 innodb_zip.prefix_index_liftedlimit : Modified in 10.4.11
@@ -498,9 +507,9 @@ innodb_zip.wl6501_scale_1           : MDEV-13254 - Timeout, MDEV-14104 - Error 1

 #-----------------------------------------------------------------------

+maria.aria_pack_mdev14183 : Added in 10.4.12
 maria.insert_select       : MDEV-12757 - Timeout
 maria.insert_select-7314  : MDEV-16492 - Timeout
-maria.lock               : Modified in 10.4.9
 maria.maria               : MDEV-14430 - Extra warning
 maria.maria-no-logging    : MDEV-20196 - Crash on shutdown or server can't start

@@ -509,17 +518,15 @@ maria.maria-no-logging   : MDEV-20196 - Crash on shutdown or server can't start
 mariabackup.absolute_ibdata_paths       : MDEV-16571 - Wrong result
 mariabackup.apply-log-only              : MDEV-20135 - Timeout
 mariabackup.data_directory              : MDEV-15270 - Error on exec
-mariabackup.encrypted_page_corruption   : Modified in 10.4.9
-mariabackup.extra_lsndir_stream         : Added in 10.4.9
 mariabackup.full_backup                 : MDEV-16571 - Wrong result
 mariabackup.huge_lsn                    : MDEV-15662 - Sequence number is in the future; MDEV-18569 - Table doesn't exist
 mariabackup.incremental_backup          : MDEV-21222 - Memory allocation failure; modified in 10.4.11
 mariabackup.incremental_encrypted       : MDEV-15667 - timeout
 mariabackup.incremental_rocksdb         : MDEV-20954 - Cannot access the file
+mariabackup.innodb_redo_log_overwrite   : Added in 10.4.12
 mariabackup.log_checksum_mismatch       : MDEV-16571 - Wrong result
 mariabackup.mdev-14447                  : MDEV-15201 - Timeout
-mariabackup.mdev-18438                  : Added in 10.4.9
-mariabackup.partial                     : MDEV-19298 - Assertion failure; modified in 10.4.9
+mariabackup.partial                     : MDEV-19298 - Assertion failure
 mariabackup.partial_exclude             : MDEV-15270 - Error on exec
 mariabackup.unencrypted_page_compressed : MDEV-18653 - Wrong error
 mariabackup.xb_compressed_encrypted     : MDEV-14812 - Segmentation fault
@@ -546,8 +553,9 @@ mroonga/wrapper.repair_table_no_index_file : MDEV-14807 - Wrong error message
 #-----------------------------------------------------------------------

 multi_source.gtid        : MDEV-14202 - Crash
-multi_source.info_logs   : MDEV-12629 - Valgrind, MDEV-10042 - wrong result
+multi_source.info_logs   : MDEV-12629 - Valgrind, MDEV-10042 - wrong result; MDEV-21290 - Wrong result
 multi_source.load_data   : MDEV-21235 - Slave crash
+multi_source.mdev-8874   : MDEV-19415 - AddressSanitizer: heap-use-after-free
 multi_source.mdev-9544   : MDEV-19415 - AddressSanitizer: heap-use-after-free
 multi_source.multisource : MDEV-10417 - Fails on Mips
 multi_source.reset_slave : MDEV-10690 - Wrong result
@@ -556,6 +564,17 @@ multi_source.status_vars : MDEV-4632 - failed while waiting for Slave_received_h

 #-----------------------------------------------------------------------

+optimizer_unfixed_bugs.bug36981 : Modified in 10.4.12
+optimizer_unfixed_bugs.bug40992 : Modified in 10.4.12
+optimizer_unfixed_bugs.bug41996 : Modified in 10.4.12
+optimizer_unfixed_bugs.bug42991 : Modified in 10.4.12
+optimizer_unfixed_bugs.bug43249 : Modified in 10.4.12
+optimizer_unfixed_bugs.bug43360 : Modified in 10.4.12
+optimizer_unfixed_bugs.bug43448 : Modified in 10.4.12
+optimizer_unfixed_bugs.bug43617 : Modified in 10.4.12
+
+#-----------------------------------------------------------------------
+
 parts.partition_alter1_1_2_innodb      : MDEV-18655 - ASAN unknown crash
 parts.partition_alter1_1_innodb        : MDEV-18655 - ASAN unknown crash
 parts.partition_alter1_2_innodb        : MDEV-18655 - ASAN unknown crash
@@ -563,13 +582,11 @@ parts.partition_alter2_2_maria         : MDEV-14364 - Lost connection to MySQL s
 parts.partition_auto_increment_archive : MDEV-16491 - Marked as crashed and should be repaired
 parts.partition_auto_increment_maria   : MDEV-14430 - Extra warning
 parts.partition_basic_innodb           : MDEV-20214 - ASAN error
-parts.partition_debug                  : Modified in 10.4.9
-parts.partition_debug_innodb           : MDEV-10891 - Can't create UNIX socket; MDEV-15095 - Table doesn't exist; modified in 10.4.9
-parts.partition_debug_myisam           : Modified in 10.4.9
+parts.partition_debug                  : Modified in 10.4.12
+parts.partition_debug_innodb           : MDEV-10891 - Can't create UNIX socket; MDEV-15095 - Table doesn't exist; modified in 10.4.12
 parts.partition_exch_qa_10             : MDEV-11765 - wrong result
 parts.partition_innodb_status_file     : MDEV-12901 - Valgrind
 parts.partition_special_innodb         : MDEV-16942 - Timeout
-parts.reorganize_partition_innodb      : Added in 10.4.9

 #-----------------------------------------------------------------------

@@ -582,14 +599,47 @@ perfschema.dml_file_instances                  : MDEV-15179 - Wrong result
 perfschema.dml_threads                          : MDEV-17746 - Wrong errno
 perfschema.func_file_io                         : MDEV-5708 - fails for s390x
 perfschema.func_mutex                           : MDEV-5708 - fails for s390x
-perfschema.hostcache_ipv4_addrinfo_again_allow : MDEV-12759 - Crash
-perfschema.hostcache_ipv6_addrinfo_again_allow : MDEV-12752 - Crash
-perfschema.hostcache_ipv6_addrinfo_bad_allow   : MDEV-13260 - Crash
-perfschema.hostcache_ipv6_ssl                  : MDEV-10696 - Crash
+perfschema.hostcache_ipv4_addrinfo_again_allow  : MDEV-12759 - Crash; modified in 10.4.12
+perfschema.hostcache_ipv4_addrinfo_again_deny   : Modified in 10.4.12
+perfschema.hostcache_ipv4_addrinfo_bad_allow    : Modified in 10.4.12
+perfschema.hostcache_ipv4_addrinfo_bad_deny     : Modified in 10.4.12
+perfschema.hostcache_ipv4_addrinfo_good_allow   : Modified in 10.4.12
+perfschema.hostcache_ipv4_addrinfo_good_deny    : Modified in 10.4.12
+perfschema.hostcache_ipv4_addrinfo_noname_allow : Modified in 10.4.12
+perfschema.hostcache_ipv4_addrinfo_noname_deny  : Modified in 10.4.12
+perfschema.hostcache_ipv4_auth_plugin           : Modified in 10.4.12
+perfschema.hostcache_ipv4_blocked               : Modified in 10.4.12
+perfschema.hostcache_ipv4_format                : Modified in 10.4.12
+perfschema.hostcache_ipv4_max_con               : Modified in 10.4.12
+perfschema.hostcache_ipv4_nameinfo_again_allow  : Modified in 10.4.12
+perfschema.hostcache_ipv4_nameinfo_again_deny   : Modified in 10.4.12
+perfschema.hostcache_ipv4_nameinfo_noname_allow : Modified in 10.4.12
+perfschema.hostcache_ipv4_nameinfo_noname_deny  : Modified in 10.4.12
+perfschema.hostcache_ipv4_passwd                : Modified in 10.4.12
+perfschema.hostcache_ipv4_ssl                   : Modified in 10.4.12
+perfschema.hostcache_ipv6_addrinfo_again_allow  : MDEV-12752 - Crash; modified in 10.4.12
+perfschema.hostcache_ipv6_addrinfo_again_deny   : Modified in 10.4.12
+perfschema.hostcache_ipv6_addrinfo_bad_allow    : MDEV-13260 - Crash; modified in 10.4.12
+perfschema.hostcache_ipv6_addrinfo_bad_deny     : Modified in 10.4.12
+perfschema.hostcache_ipv6_addrinfo_good_allow   : Modified in 10.4.12
+perfschema.hostcache_ipv6_addrinfo_good_deny    : Modified in 10.4.12
+perfschema.hostcache_ipv6_addrinfo_noname_allow : Modified in 10.4.12
+perfschema.hostcache_ipv6_addrinfo_noname_deny  : Modified in 10.4.12
+perfschema.hostcache_ipv6_auth_plugin           : Modified in 10.4.12
+perfschema.hostcache_ipv6_blocked               : Modified in 10.4.12
+perfschema.hostcache_ipv6_max_con               : Modified in 10.4.12
+perfschema.hostcache_ipv6_nameinfo_again_allow  : Modified in 10.4.12
+perfschema.hostcache_ipv6_nameinfo_again_deny   : Modified in 10.4.12
+perfschema.hostcache_ipv6_nameinfo_noname_allow : Modified in 10.4.12
+perfschema.hostcache_ipv6_nameinfo_noname_deny  : Modified in 10.4.12
+perfschema.hostcache_ipv6_passwd                : Modified in 10.4.12
+perfschema.hostcache_ipv6_ssl                   : MDEV-10696 - Crash; modified in 10.4.12
+perfschema.hostcache_peer_addr                  : MDEV-21462 - Test condition timeout; modified in 10.4.12
 perfschema.misc                                 : Modified in 10.4.11
 perfschema.pfs_upgrade_event                    : MDEV-20957 - Wrong result
 perfschema.pfs_upgrade_func                     : MDEV-20957 - Upgrade file was not properly created
 perfschema.pfs_upgrade_proc                     : MDEV-20533 - Upgrade file was not properly created
+perfschema.pfs_upgrade_table                    : MDEV-20533 - Exec failed
 perfschema.pfs_upgrade_view                     : MDEV-20533 - Upgrade file was not properly created
 perfschema.privilege_table_io                   : MDEV-13184 - Extra lines
 perfschema.relaylog                             : MDEV-18134 - Wrong result
@@ -601,6 +651,7 @@ perfschema.stage_mdl_function                  : MDEV-20157 - Wrong result
 perfschema.stage_mdl_global                     : MDEV-11803 - wrong result on slow builders
 perfschema.stage_mdl_procedure                  : MDEV-11545 - Missing row
 perfschema.stage_mdl_table                      : MDEV-12638 - Wrong result
+perfschema.start_server_innodb                  : MDEV-21573 - Wrong result
 perfschema.start_server_low_digest              : MDEV-21221 - Wrong result
 perfschema.threads_mysql                        : MDEV-10677 - Wrong result

@@ -611,11 +662,10 @@ perfschema_stress.* : MDEV-10996 - Not maintained
 #-----------------------------------------------------------------------

 period.delete     : Modified in 10.4.11
-period.versioning : MDEV-20159 - Assertion failure; include file modified in 10.4.9
+period.versioning : MDEV-20159 - Assertion failure

 #-----------------------------------------------------------------------

-plugins.feedback_plugin_load     : Modified in 10.4.9
 plugins.feedback_plugin_send     : MDEV-7932, MDEV-11118 - Connection problems and such
 plugins.multiauth                : MDEV-20163 - Plugin could not be loaded
 plugins.processlist              : MDEV-16574 - Wrong result
@@ -635,7 +685,6 @@ rocksdb.drop_index_inplace           : MDEV-14162 - Crash on shutdown
 rocksdb.drop_table                   : MDEV-14308 - Timeout
 rocksdb.drop_table3                  : MDEV-16949 - Server crash
 rocksdb.dup_key_update               : MDEV-17284 - Wrong result
-rocksdb.index_merge_rocksdb2         : Include file modified in 10.4.9
 rocksdb.locking_issues               : MDEV-14464 - Wrong result
 rocksdb.mariadb_ignore_dirs          : MDEV-16639 - Server crash
 rocksdb.mariadb_port_fixes           : MDEV-16387 - Wrong plan
@@ -664,47 +713,55 @@ roles.create_and_grant_role : MDEV-11772 - wrong result

 #-----------------------------------------------------------------------

-rpl.circular_serverid0                : MDEV-19372 - ASAN heap-use-after-free
+rpl.circular_serverid0                : MDEV-19372 - ASAN heap-use-after-free; modified in 10.4.12
 rpl.create_or_replace2                : MDEV-19412 - Lost connection to MySQL server
 rpl.create_or_replace_mix             : MDEV-20523 - Wrong result
 rpl.create_or_replace_statement       : MDEV-20523 - Wrong result
 rpl.create_select                     : MDEV-14121 - Assertion failure
+rpl.kill_race_condition               : Modified in 10.4.12
 rpl.last_insert_id                    : MDEV-10625 - warnings in error log
-rpl.mdev_17588                        : Modified in 10.1.42
-rpl.rpl_000011                        : Modified in 10.4.9
 rpl.rpl_auto_increment                : MDEV-10417 - Fails on Mips
 rpl.rpl_auto_increment_bug45679       : MDEV-10417 - Fails on Mips
 rpl.rpl_auto_increment_update_failure : MDEV-10625 - warnings in error log
 rpl.rpl_binlog_errors                 : MDEV-12742 - Crash
 rpl.rpl_binlog_grant                  : MDEV-21274 - Lost connection at handshake
 rpl.rpl_binlog_index                  : MDEV-9501 - Failed registering on master
+rpl.rpl_binlog_rollback_cleanup       : Added in 10.4.12
+rpl.rpl_bug33931                      : Modified in 10.4.12
+rpl.rpl_bug41902                      : Modified in 10.4.12
 rpl.rpl_cant_read_event_incident      : MDEV-20960 - Abort on shutdown
+rpl.rpl_checksum                      : Include file modified in 10.2.31
 rpl.rpl_circular_for_4_hosts          : MDEV-20536 - Server crash
 rpl.rpl_colSize                       : MDEV-16112 - Server crash
 rpl.rpl_corruption                    : MDEV-20527 - Slave stopped with wrong error code
-rpl.rpl_create_or_replace_fail        : Added in 10.1.42
 rpl.rpl_ctype_latin1                  : MDEV-14813 - Wrong result on Mac
 rpl.rpl_ddl                           : MDEV-10417 - Fails on Mips
 rpl.rpl_domain_id_filter              : MDEV-20213 - Server crash
-rpl.rpl_domain_id_filter_io_crash     : MDEV-12729 - Timeout in include file, MDEV-13677 - Server crash
-rpl.rpl_domain_id_filter_master_crash : MDEV-19043 - Table marked as crashed
+rpl.rpl_domain_id_filter_io_crash     : MDEV-12729 - Timeout in include file, MDEV-13677 - Server crash; modified in 10.4.12
+rpl.rpl_domain_id_filter_master_crash : MDEV-19043 - Table marked as crashed; modified in 10.4.12
 rpl.rpl_domain_id_filter_restart      : MDEV-10684 - Wrong result; MDEV-19043 - Table marked as crashed
 rpl.rpl_drop_db_fail                  : MDEV-16898 - Slave fails to start
 rpl.rpl_dual_pos_advance              : MDEV-20213 - Server crash
 rpl.rpl_extra_col_master_innodb       : MDEV-16570 - Extra warning
 rpl.rpl_extra_col_master_myisam       : MDEV-14203 - Extra warning
+rpl.rpl_flushlog_loop                 : MDEV-21570 - Server crash
 rpl.rpl_get_lock                      : MDEV-19368 - mysqltest failed but provided no output
+rpl.rpl_get_master_version_and_clock  : Modified in 10.4.12
 rpl.rpl_gtid_basic                    : MDEV-10681 - server startup problem
 rpl.rpl_gtid_crash                    : MDEV-9501 - Failed registering on master, MDEV-13643 - Lost connection
 rpl.rpl_gtid_delete_domain            : MDEV-14463 - Timeout
 rpl.rpl_gtid_errorhandling            : MDEV-13261 - Crash
 rpl.rpl_gtid_mdev9033                 : MDEV-10680 - warnings
-rpl.rpl_gtid_reconnect                : MDEV-14497 - Crash
+rpl.rpl_gtid_reconnect                : MDEV-14497 - Crash; modified in 10.4.12
 rpl.rpl_gtid_startpos                 : MDEV-20141 - mysqltest failed but provided no output
 rpl.rpl_gtid_stop_start               : MDEV-10629 - Crash on shutdown, MDEV-12629 - Valgrind warnings
 rpl.rpl_gtid_until                    : MDEV-10625 - warnings in error log
+rpl.rpl_heartbeat                     : MDEV-20213 - Server crash
+rpl.rpl_heartbeat_debug               : Modified in 10.4.12
 rpl.rpl_ignore_grant                  : MDEV-20159 - Assertion failure
 rpl.rpl_ignore_table_update           : MDEV-20159 - Assertion failure
+rpl.rpl_incident                      : Include file modified in 10.2.31
+rpl.rpl_init_slave_errors             : Include file modified in 10.2.31
 rpl.rpl_innodb_bug30888               : MDEV-10417 - Fails on Mips
 rpl.rpl_insert                        : MDEV-9329 - Fails on Ubuntu/s390x
 rpl.rpl_insert_delayed                : MDEV-9329 - Fails on Ubuntu/s390x
@@ -712,44 +769,40 @@ rpl.rpl_insert_id                     : MDEV-15197 - Wrong result
 rpl.rpl_insert_id_pk                  : MDEV-16567 - Assertion failure
 rpl.rpl_insert_ignore                 : MDEV-14365 - Lost connection to MySQL server during query
 rpl.rpl_invoked_features              : MDEV-10417 - Fails on Mips
-rpl.rpl_ip_mix                        : Modified in 10.4.9
-rpl.rpl_ip_mix2                       : Modified in 10.4.9
 rpl.rpl_ipv4_as_ipv6                  : MDEV-20147 - Incorrect checksum for freed object
-rpl.rpl_known_bugs_detection          : Modified in 10.1.42
 rpl.rpl_lcase_tblnames_rewrite_db     : MDEV-20213 - Server crash
-rpl.rpl_mariadb_slave_capability      : MDEV-11018 - Extra lines in binlog
+rpl.rpl_mariadb_slave_capability      : MDEV-11018 - Extra lines in binlog; modified in 10.4.12
 rpl.rpl_mdev-11092                    : Modified in 10.4.11
 rpl.rpl_mdev12179                     : MDEV-19043 - Table marked as crashed
 rpl.rpl_mdev6020                      : MDEV-15272 - Server crash
-rpl.rpl_mdev_17614                    : Added in 10.1.42
+rpl.rpl_mixed_mixing_engines          : MDEV-21266 - Timeout
 rpl.rpl_non_direct_row_mixing_engines : MDEV-16561 - Timeout in master_pos_wait
 rpl.rpl_parallel                      : MDEV-10653 - Timeouts
 rpl.rpl_parallel2                     : MDEV-17390 - Operation cannot be performed
 rpl.rpl_parallel_conflicts            : MDEV-15272 - Server crash
-rpl.rpl_parallel_ignored_errors       : Added in 10.4.9
 rpl.rpl_parallel_mdev6589             : MDEV-12979 - Assertion failure
 rpl.rpl_parallel_multilevel           : MDEV-20160 - Server crash
 rpl.rpl_parallel_multilevel2          : MDEV-14723 - Timeout
-rpl.rpl_parallel_optimistic           : MDEV-15278 - Failed to sync with master
+rpl.rpl_parallel_optimistic           : MDEV-15278 - Failed to sync with master; modified in 10.4.12
 rpl.rpl_parallel_optimistic_nobinlog  : MDEV-15278 - Failed to sync with master
 rpl.rpl_parallel_retry                : MDEV-11119 - Crash; MDEV-17109 - Timeout
 rpl.rpl_parallel_temptable            : MDEV-10356 - Crash; MDEV-19076 - Wrong result
 rpl.rpl_partition_innodb              : MDEV-10417 - Fails on Mips
 rpl.rpl_password_boundaries           : MDEV-11534 - Slave IO warnings
 rpl.rpl_read_only                     : MDEV-20159 - Assertion failure
-rpl.rpl_read_only2                    : Added in 10.4.9
 rpl.rpl_relayrotate                   : MDEV-20213 - Server crash
-rpl.rpl_rotate_logs                   : Modified in 10.4.9
 rpl.rpl_row_001                       : MDEV-16653 - MTR's internal check fails
 rpl.rpl_row_basic_11bugs              : MDEV-12171 - Server failed to start
 rpl.rpl_row_basic_2myisam             : MDEV-13875 - command "diff_files" failed
+rpl.rpl_row_big_table_id              : Modified in 10.4.12
+rpl.rpl_row_corruption                : MDEV-21569 - mutex: LOCK_global_system_variables unlocking
 rpl.rpl_row_drop_create_temp_table    : MDEV-14487 - Wrong result
 rpl.rpl_row_end_of_statement_loss     : MDEV-21237 - Server crash
-rpl.rpl_row_find_row_debug            : Modified in 10.4.9
+rpl.rpl_row_find_row_debug            : Modified in 10.4.12
 rpl.rpl_row_img_blobs                 : MDEV-13875 - command "diff_files" failed
 rpl.rpl_row_img_eng_min               : MDEV-13875 - diff_files failed
 rpl.rpl_row_img_eng_noblob            : MDEV-13875 - command "diff_files" failed
-rpl.rpl_row_index_choice              : MDEV-15196 - Slave crash
+rpl.rpl_row_index_choice              : MDEV-15196 - Slave crash; modified in 10.4.12
 rpl.rpl_row_sp001                     : MDEV-9329 - Fails on Ubuntu/s390x
 rpl.rpl_row_until                     : MDEV-14052 - Master will not send events with checksum
 rpl.rpl_semi_sync                     : MDEV-11220 - Wrong result
@@ -757,8 +810,7 @@ rpl.rpl_semi_sync_after_sync          : MDEV-14366 - Wrong result
 rpl.rpl_semi_sync_after_sync_row      : MDEV-14366 - Wrong result
 rpl.rpl_semi_sync_event_after_sync    : MDEV-11806 - warnings
 rpl.rpl_semi_sync_gtid_reconnect      : Added in 10.4.11
-rpl.rpl_semi_sync_skip_repl           : MDEV-21223 - Server crash
-rpl.rpl_semi_sync_slave_reply_fail    : Added in 10.4.9
+rpl.rpl_semi_sync_skip_repl           : Modified in 10.4.12
 rpl.rpl_semi_sync_uninstall_plugin    : MDEV-7140 - Assorted failures
 rpl.rpl_semi_sync_wait_no_slave       : MDEV-20159 - Assertion failure
 rpl.rpl_semi_sync_wait_point          : MDEV-11807 - timeout in wait condition
@@ -766,28 +818,31 @@ rpl.rpl_semisync_ali_issues           : MDEV-16272 - Wrong result
 rpl.rpl_set_null_myisam               : MDEV-20213 - Server crash
 rpl.rpl_set_statement_default_master  : MDEV-13258 - Extra warning
 rpl.rpl_show_slave_hosts              : MDEV-10681 - Crash
+rpl.rpl_show_slave_running            : Modified in 10.4.12
 rpl.rpl_shutdown_wait_semisync_slaves : MDEV-20213 - Server crash
-rpl.rpl_skip_error                    : Modified in 10.4.9
 rpl.rpl_skip_replication              : MDEV-13258 - Extra warning
 rpl.rpl_slave_grp_exec                : MDEV-10514 - Deadlock
 rpl.rpl_slave_load_in                 : MDEV-20159 - Assertion failure
+rpl.rpl_slave_load_remove_tmpfile     : Modified in 10.4.12
 rpl.rpl_slave_load_tmpdir_not_exist   : MDEV-14203 - Extra warning
+rpl.rpl_slave_shutdown_mdev20821      : Added in 10.4.12
 rpl.rpl_slow_query_log                : MDEV-13250 - Test abort
 rpl.rpl_sp_effects                    : MDEV-13249 - Crash
 rpl.rpl_start_stop_slave              : MDEV-13567 - Sync slave timeout
+rpl.rpl_stm_lcase_tblnames            : Modified in 10.4.12
 rpl.rpl_stm_multi_query               : MDEV-9501 - Failed registering on master
 rpl.rpl_stm_relay_ign_space           : MDEV-14360 - Test assertion
-rpl.rpl_stm_stop_middle_group         : MDEV-13791 - Server crash
+rpl.rpl_stm_stop_middle_group         : MDEV-13791 - Server crash; include file modified in 10.4.12
+rpl.rpl_stop_slave                    : Modified in 10.4.12
 rpl.rpl_sync                          : MDEV-13830 - Assertion failure
-rpl.rpl_sync_with_innodb_thd_conc     : Added in 10.1.42
 rpl.rpl_temporal_mysql56_to_mariadb53 : MDEV-9501 - Failed registering on master
 rpl.rpl_temporary_error2              : MDEV-10634 - Wrong number of retries
 rpl.rpl_test_framework                : MDEV-19368 - mysqltest failed but provided no output
 rpl.rpl_trigger                       : MDEV-18055 - Wrong result
 rpl.rpl_truncate_3innodb              : MDEV-19454 - Syntax error
-rpl.rpl_unsafe_statements             : Modified in 10.1.42
 rpl.rpl_user_variables                : MDEV-20522 - Wrong result
 rpl.rpl_variables                     : MDEV-20150 - Server crash
+rpl.rpl_view_debug                    : Modified in 10.4.12
 rpl.sec_behind_master-5114            : MDEV-13878 - Wrong result
 rpl.show_status_stop_slave_race-7126  : MDEV-17438 - Timeout

@@ -804,12 +859,8 @@ rpl/extra/rpl_tests.* : MDEV-10994 - Not maintained

 #-----------------------------------------------------------------------

-sequence.group_by : Modified in 10.4.9
-
-#-----------------------------------------------------------------------
-
-sphinx.*          : MDEV-10986 - Tests have not been maintained; suite.pm modified in 10.4.9
-sphinx.sphinx     : MDEV-10986 - Sporadic failures; modified in 10.4.9
+sphinx.*          : MDEV-10986 - Tests have not been maintained
+sphinx.sphinx     : MDEV-10986 - Sporadic failures
 sphinx.union-5539 : MDEV-10986 - Sporadic failures

 #-----------------------------------------------------------------------
@@ -834,7 +885,6 @@ spider/bg.vp_fixes              : MDEV-9329 - Fails on Ubuntu/s390x

 spider/bugfix.return_found_rows_insert : Added in 10.4.11
 spider/bugfix.return_found_rows_update : Added in 10.4.11
-spider/bugfix.select_by_null           : Added in 10.4.9

 #-----------------------------------------------------------------------

@@ -873,7 +923,6 @@ spider/regression/e112122.load_data_part_replace_ddi1       : Added in 10.4.11
 #-----------------------------------------------------------------------

 sql_sequence.concurrent_create : MDEV-16635 - Server crash
-sql_sequence.other             : Modified in 10.4.9
 sql_sequence.rebuild           : Added in 10.4.11
 sql_sequence.view              : Modified in 10.4.11

@@ -888,18 +937,17 @@ stress.ddl_innodb : MDEV-10635 - Testcase timeout
 #-----------------------------------------------------------------------

 sys_vars.autocommit_func2                          : MDEV-9329 - Fails on Ubuntu/s390x
-sys_vars.delayed_insert_limit_func                 : Modified in 10.4.9
+sys_vars.debug_dbug_func                           : Modified in 10.4.12
 sys_vars.host_cache_size_auto                      : MDEV-20112 - Wrong result
 sys_vars.innodb_buffer_pool_dump_at_shutdown_basic : MDEV-14280 - Unexpected error
-sys_vars.innodb_change_buffering_debug_basic       : Modified in 10.4.9
+sys_vars.innodb_buffer_pool_size_basic             : Modified in 10.4.12
+sys_vars.innodb_checksum_algorithm_basic           : MDEV-21568 - Errno: 2000
 sys_vars.keep_files_on_create_basic                : MDEV-10676 - timeout
 sys_vars.log_slow_admin_statements_func            : MDEV-12235 - Server crash
 sys_vars.rpl_init_slave_func                       : MDEV-10149 - Test assertion
 sys_vars.slow_query_log_func                       : MDEV-14273 - Wrong result
-sys_vars.sysvars_innodb                            : Modified in 10.2.28
 sys_vars.thread_cache_size_func                    : MDEV-11775 - Wrong result
 sys_vars.wait_timeout_func                         : MDEV-12896 - Wrong result
-sys_vars.wsrep_provider_basic                      : MDEV-19457 - Assertion failure

 #-----------------------------------------------------------------------

@@ -945,7 +993,6 @@ tokudb_bugs.xa                : MDEV-11804 - Lock wait timeout
 #-----------------------------------------------------------------------

 tokudb_parts.partition_alter4_tokudb : MDEV-12640 - Lost connection
-tokudb_parts.partition_debug_tokudb  : Include file modified in 10.4.9

 #-----------------------------------------------------------------------

@@ -970,43 +1017,33 @@ unit.mf_iocache                 : MDEV-20952 - ASAN stack-buffer-overflow
 #-----------------------------------------------------------------------

 vcol.not_supported    : MDEV-10639 - Testcase timeout
-vcol.vcol_keys_innodb        : MDEV-10639 - Testcase timeout; modified in 10.4.9
+vcol.vcol_keys_innodb : MDEV-10639 - Testcase timeout
 vcol.vcol_misc        : MDEV-16651 - Wrong error message
-vcol.vcol_sql_mode_datetime  : Added in 10.4.9
-vcol.vcol_sql_mode_time      : Added in 10.4.9
-vcol.vcol_sql_mode_timestamp : Added in 10.4.9

 #-----------------------------------------------------------------------

-versioning.alter            : Modified in 10.4.9
-versioning.auto_increment   : Include file modified in 10.4.9
-versioning.commit_id        : Include file modified in 10.4.9
-versioning.create           : Modified in 10.4.9
 versioning.delete    : Modified in 10.4.11
-versioning.delete_history   : Modified in 10.4.9
-versioning.engines          : Combinations added in 10.4.9
-versioning.foreign          : Modified in 10.4.9
-versioning.insert           : Include file modified in 10.4.9
-versioning.key_type         : Combinations added in 10.4.9
-versioning.online           : Modified in 10.4.9
 versioning.partition : Modified in 10.4.11
-versioning.partition_innodb : Modified in 10.4.9
-versioning.replace          : Modified in 10.4.9
 versioning.select    : Modified in 10.4.11
-versioning.select2          : Include file modified in 10.4.9
-versioning.trx_id           : Modified in 10.4.9
+versioning.trx_id    : Modified in 10.4.12
 versioning.update    : MDEV-20955 - Wrong result code; modified in 10.4.11
-versioning.update-big       : Modified in 10.4.9
 versioning.view      : Modified in 10.4.11

 #-----------------------------------------------------------------------

+wsrep.*                                : Config file modified in 10.4.12
+wsrep.alter_table_innodb               : Configuration deleted in 10.4.12
+wsrep.binlog_format                    : Configuration added in 10.4.12
 wsrep.foreign_key                      : MDEV-14725 - WSREP has not yet prepared node
-wsrep.mdev_6832                        : MDEV-14195 - Check testcase failed; modified in 10.4.9
-wsrep.mysql_tzinfo_to_sql_symlink_skip : Added in 10.1.42
-wsrep.pool_of_threads                  : MDEV-17345 - WSREP has not yet prepared node for application use; configuration added in 10.4.11
-wsrep.variables                        : MDEV-14311 - Wrong result; MDEV-17585 - Deadlock; modified in 10.4.9
+wsrep.mdev_10186                       : Configuration modified in 10.4.12
+wsrep.mdev_6832                        : MDEV-14195 - Check testcase failed
+wsrep.mysql_tzinfo_to_sql_symlink      : Modified in 10.4.12
+wsrep.mysql_tzinfo_to_sql_symlink_skip : Modified in 10.4.12
+wsrep.plugin                           : Modified in 10.4.12
+wsrep.pool_of_threads                  : MDEV-17345 - WSREP has not yet prepared node for application use; re-enabled in 10.4.12
+wsrep.trans                            : Configuration added in 10.4.12
+wsrep.variables                        : MDEV-17585 - Deadlock; modified in 10.4.12

 #-----------------------------------------------------------------------

-wsrep_info.plugin : MDEV-13569 - No nodes coming from prim view
+wsrep_info.* : Config file modified in 10.3.22
--- a/plugin/auth_pam/CMakeLists.txt
+++ b/plugin/auth_pam/CMakeLists.txt
@@ -23,5 +23,12 @@ IF(HAVE_PAM_APPL_H)
  ENDIF()
  IF(TARGET auth_pam OR TARGET auth_pam_v1)
    ADD_SUBDIRECTORY(testing)
+    ADD_LIBRARY(pam_user_map MODULE mapper/pam_user_map.c)
+    TARGET_LINK_LIBRARIES(pam_user_map pam)
+    SET_TARGET_PROPERTIES (pam_user_map PROPERTIES PREFIX "")
+    IF(INSTALL_PAMDIR)
+      INSTALL(TARGETS pam_user_map DESTINATION ${INSTALL_PAMDIR} COMPONENT Server)
+      INSTALL(FILES mapper/user_map.conf DESTINATION /etc/security COMPONENT Server)
+    ENDIF()
  ENDIF()
 ENDIF(HAVE_PAM_APPL_H)
--- a/plugin/auth_pam/mapper/user_map.conf
+++ b/plugin/auth_pam/mapper/user_map.conf
@@ -0,0 +1,13 @@
+#
+# Configuration file for pam_user_map.so
+#
+# defines mapping in the form
+#
+#       orig_user_name: mapped_user_name
+#
+# or (to map all users in a specific group)
+#
+#       @group_name: mapped_user_name
+#
+# comments and empty lines are ignored
+#
--- a/scripts/wsrep_sst_mariabackup.sh
+++ b/scripts/wsrep_sst_mariabackup.sh
@@ -385,8 +385,8 @@ read_cnf()

 get_stream()
 {
-    if [[ $sfmt == 'xbstream' ]];then 
-        wsrep_log_info "Streaming with xbstream"
+    if [[ $sfmt == 'mbstream' || $sfmt == 'xbstream' ]];then
+        wsrep_log_info "Streaming with ${sfmt}"
        if [[ "$WSREP_SST_OPT_ROLE"  == "joiner" ]];then
            strmcmd="${XBSTREAM_BIN} -x"
        else
--- a/sql-common/client.c
+++ b/sql-common/client.c
@@ -3032,7 +3032,10 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
      scramble_data_len= pkt_scramble_len;
      scramble_plugin= scramble_data + scramble_data_len;
      if (scramble_data + scramble_data_len > pkt_end)
-        scramble_data_len= (int)(pkt_end - scramble_data);
+      {
+        set_mysql_error(mysql, CR_MALFORMED_PACKET, unknown_sqlstate);
+        goto error;
+      }
    }
    else
    {
--- a/sql/item_timefunc.h
+++ b/sql/item_timefunc.h
@@ -857,6 +857,10 @@ class Item_func_from_unixtime :public Item_datetimefunc
  const char *func_name() const { return "from_unixtime"; }
  bool fix_length_and_dec();
  bool get_date(THD *thd, MYSQL_TIME *res, date_mode_t fuzzydate);
+  bool check_vcol_func_processor(void *arg)
+  {
+    return mark_unsupported_function(func_name(), "()", arg, VCOL_SESSION_FUNC);
+  }
  Item *get_copy(THD *thd)
  { return get_item_copy<Item_func_from_unixtime>(thd, this); }
 };
--- a/sql/log_event.cc
+++ b/sql/log_event.cc
@@ -1,6 +1,6 @@
 /*
   Copyright (c) 2000, 2018, Oracle and/or its affiliates.
-   Copyright (c) 2009, 2019, MariaDB
+   Copyright (c) 2009, 2020, MariaDB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -2446,7 +2446,7 @@ int Load_log_event::copy_log_event(const char *buf, ulong event_len,
 {
  DBUG_ENTER("Load_log_event::copy_log_event");
  uint data_len;
-  if ((int) event_len < body_offset)
+  if ((int) event_len <= body_offset)
    DBUG_RETURN(1);
  char* buf_end = (char*)buf + event_len;
  /* this is the beginning of the post-header */
@@ -3125,6 +3125,12 @@ Rows_log_event::Rows_log_event(const char *buf, uint event_len,

  uint8 const post_header_len= description_event->post_header_len[event_type-1];

+  if (event_len < (uint)(common_header_len + post_header_len))
+  {
+    m_cols.bitmap= 0;
+    DBUG_VOID_RETURN;
+  }
+
  DBUG_PRINT("enter",("event_len: %u  common_header_len: %d  "
 		      "post_header_len: %d",
 		      event_len, common_header_len,
@@ -3486,6 +3492,7 @@ Table_map_log_event::Table_map_log_event(const char *buf, uint event_len,
  const char *post_start= buf + common_header_len;

  post_start+= TM_MAPID_OFFSET;
+  VALIDATE_BYTES_READ(post_start, buf, event_len);
  if (post_header_len == 6)
  {
    /* Master is of an intermediate source tree before 5.1.4. Id is 4 bytes */
--- a/sql/log_event.h
+++ b/sql/log_event.h
@@ -1,5 +1,5 @@
 /* Copyright (c) 2000, 2014, Oracle and/or its affiliates.
-   Copyright (c) 2009, 2017, MariaDB Corporation.
+   Copyright (c) 2009, 2020, MariaDB Corporation.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -2228,16 +2228,16 @@ public:
 ****************************************************************************/
 struct sql_ex_info
 {
-  sql_ex_info() {}                            /* Remove gcc warning */
  const char* field_term;
  const char* enclosed;
  const char* line_term;
  const char* line_start;
  const char* escaped;
-  int cached_new_format;
-  uint8 field_term_len,enclosed_len,line_term_len,line_start_len, escaped_len;
+  int cached_new_format= -1;
+  uint8 field_term_len= 0, enclosed_len= 0, line_term_len= 0,
+    line_start_len= 0, escaped_len= 0;
  char opt_flags;
-  char empty_flags;
+  char empty_flags= 0;

  // store in new format even if old is possible
  void force_new_format() { cached_new_format = 1;}
--- a/sql/opt_range.cc
+++ b/sql/opt_range.cc
@@ -9647,6 +9647,8 @@ and_all_keys(RANGE_OPT_PARAM *param, SEL_ARG *key1, SEL_ARG *key2,
  }
  if (key1->type == SEL_ARG::MAYBE_KEY)
  {
+    if (key2->type == SEL_ARG::KEY_RANGE)
+      return key2;
    key1->right= key1->left= &null_element;
    key1->next= key1->prev= 0;
  }
--- a/sql/slave.cc
+++ b/sql/slave.cc
@@ -1443,6 +1443,9 @@ void slave_prepare_for_shutdown()
  mysql_mutex_lock(&LOCK_active_mi);
  master_info_index->free_connections();
  mysql_mutex_unlock(&LOCK_active_mi);
+  // It's safe to destruct worker pool now when
+  // all driver threads are gone.
+  global_rpl_thread_pool.destroy();
  stop_slave_background_thread();
 }

@@ -6577,7 +6580,7 @@ static int queue_event(Master_info* mi,const char* buf, ulong event_len)
      error= ER_SLAVE_HEARTBEAT_FAILURE;
      error_msg.append(STRING_WITH_LEN("inconsistent heartbeat event content;"));
      error_msg.append(STRING_WITH_LEN("the event's data: log_file_name "));
-      error_msg.append(hb.get_log_ident(), (uint) strlen(hb.get_log_ident()));
+      error_msg.append(hb.get_log_ident(), (uint) hb.get_ident_len());
      error_msg.append(STRING_WITH_LEN(" log_pos "));
      error_msg.append_ulonglong(hb.log_pos);
      goto err;
@@ -6603,7 +6606,7 @@ static int queue_event(Master_info* mi,const char* buf, ulong event_len)
      error= ER_SLAVE_HEARTBEAT_FAILURE;
      error_msg.append(STRING_WITH_LEN("heartbeat is not compatible with local info;"));
      error_msg.append(STRING_WITH_LEN("the event's data: log_file_name "));
-      error_msg.append(hb.get_log_ident(), (uint) strlen(hb.get_log_ident()));
+      error_msg.append(hb.get_log_ident(), (uint) hb.get_ident_len());
      error_msg.append(STRING_WITH_LEN(" log_pos "));
      error_msg.append_ulonglong(hb.log_pos);
      goto err;
--- a/sql/sql_acl.cc
+++ b/sql/sql_acl.cc
@@ -12575,6 +12575,7 @@ static bool send_server_handshake_packet(MPVIO_EXT *mpvio,
  int2store(end+5, thd->client_capabilities >> 16);
  end[7]= data_len;
  DBUG_EXECUTE_IF("poison_srv_handshake_scramble_len", end[7]= -100;);
+  DBUG_EXECUTE_IF("increase_srv_handshake_scramble_len", end[7]= 50;);
  bzero(end + 8, 6);
  int4store(end + 14, thd->client_capabilities >> 32);
  end+= 18;
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -11148,6 +11148,74 @@ make_outerjoin_info(JOIN *join)
 }


+/*
+  @brief
+    Build a temporary join prefix condition for JOIN_TABs up to the last tab
+
+  @param  ret  OUT  the condition is returned here
+
+  @return
+     false  OK
+     true   Out of memory
+
+  @detail
+    Walk through the join prefix (from the first table to the last_tab) and
+    build a condition:
+
+    join_tab_1_cond AND join_tab_2_cond AND ... AND last_tab_conds
+
+    The condition is only intended to be used by the range optimizer, so:
+    - it is not normalized (can have Item_cond_and inside another
+      Item_cond_and)
+    - it does not include join->exec_const_cond and other similar conditions.
+*/
+
+bool build_tmp_join_prefix_cond(JOIN *join, JOIN_TAB *last_tab, Item **ret)
+{
+  THD *const thd= join->thd;
+  Item_cond_and *all_conds= NULL;
+
+  Item *res= NULL;
+
+  // Pick the ON-expression. Use the same logic as in get_sargable_cond():
+  if (last_tab->on_expr_ref)
+    res= *last_tab->on_expr_ref;
+  else if (last_tab->table->pos_in_table_list &&
+           last_tab->table->pos_in_table_list->embedding &&
+           !last_tab->table->pos_in_table_list->embedding->sj_on_expr)
+  {
+    res= last_tab->table->pos_in_table_list->embedding->on_expr;
+  }
+
+  for (JOIN_TAB *tab= first_depth_first_tab(join);
+       tab;
+       tab= next_depth_first_tab(join, tab))
+  {
+    if (tab->select_cond)
+    {
+      if (!res)
+        res= tab->select_cond;
+      else
+      {
+        if (!all_conds)
+        {
+          if (!(all_conds= new (thd->mem_root)Item_cond_and(thd, res,
+                                                            tab->select_cond)))
+            return true;
+          res= all_conds;
+        }
+        else
+          all_conds->add(tab->select_cond, thd->mem_root);
+      }
+    }
+    if (tab == last_tab)
+      break;
+  }
+  *ret= all_conds? all_conds: res;
+  return false;
+}
+
+
 static bool
 make_join_select(JOIN *join,SQL_SELECT *select,COND *cond)
 {
@@ -11525,7 +11593,9 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond)
 	  {
 	    /* Join with outer join condition */
 	    COND *orig_cond=sel->cond;
-	    sel->cond= and_conds(thd, sel->cond, *tab->on_expr_ref);
+
+            if (build_tmp_join_prefix_cond(join, tab, &sel->cond))
+              return true;

 	    /*
              We can't call sel->cond->fix_fields,
--- a/sql/uniques.h
+++ b/sql/uniques.h
@@ -29,14 +29,20 @@
 class Unique :public Sql_alloc
 {
  DYNAMIC_ARRAY file_ptrs;
-  ulong max_elements;
+  ulong max_elements;   /* Total number of elements that will be stored in-memory */
  size_t max_in_memory_size;
  IO_CACHE file;
  TREE tree;
+ /* Number of elements filtered out due to min_dupl_count when storing results
+    to table. See Unique::get */
  ulong filtered_out_elems;
  uint size;
-  uint full_size;
-  uint min_dupl_count;   /* always 0 for unions, > 0 for intersections */
+
+  uint full_size;   /* Size of element + space needed to store the number of
+                       duplicates found for the element. */
+  uint min_dupl_count;   /* Minimum number of occurences of element required for
+                            it to be written to record_pointers.
+                            always 0 for unions, > 0 for intersections */
  bool with_counters;

  bool merge(TABLE *table, uchar *buff, size_t size, bool without_last_merge);
--- a/sql/wsrep_mysqld.cc
+++ b/sql/wsrep_mysqld.cc
@@ -150,6 +150,10 @@ mysql_mutex_t LOCK_wsrep_config_state;
 mysql_mutex_t LOCK_wsrep_group_commit;
 mysql_mutex_t LOCK_wsrep_SR_pool;
 mysql_mutex_t LOCK_wsrep_SR_store;
+mysql_mutex_t LOCK_wsrep_joiner_monitor;
+mysql_mutex_t LOCK_wsrep_donor_monitor;
+mysql_cond_t  COND_wsrep_joiner_monitor;
+mysql_cond_t  COND_wsrep_donor_monitor;

 int wsrep_replaying= 0;
 ulong  wsrep_running_threads = 0; // # of currently running wsrep
@@ -168,13 +172,15 @@ PSI_mutex_key
  key_LOCK_wsrep_group_commit,
  key_LOCK_wsrep_SR_pool,
  key_LOCK_wsrep_SR_store,
-  key_LOCK_wsrep_thd_queue;
+  key_LOCK_wsrep_thd_queue,
+  key_LOCK_wsrep_joiner_monitor,
+  key_LOCK_wsrep_donor_monitor;

 PSI_cond_key key_COND_wsrep_thd,
  key_COND_wsrep_replaying, key_COND_wsrep_ready, key_COND_wsrep_sst,
  key_COND_wsrep_sst_init, key_COND_wsrep_sst_thread,
-  key_COND_wsrep_thd_queue, key_COND_wsrep_slave_threads;
-  
+  key_COND_wsrep_thd_queue, key_COND_wsrep_slave_threads,
+  key_COND_wsrep_joiner_monitor, key_COND_wsrep_donor_monitor;

 PSI_file_key key_file_wsrep_gra_log;

@@ -192,7 +198,9 @@ static PSI_mutex_info wsrep_mutexes[]=
  { &key_LOCK_wsrep_config_state, "LOCK_wsrep_config_state", PSI_FLAG_GLOBAL},
  { &key_LOCK_wsrep_group_commit, "LOCK_wsrep_group_commit", PSI_FLAG_GLOBAL},
  { &key_LOCK_wsrep_SR_pool, "LOCK_wsrep_SR_pool", PSI_FLAG_GLOBAL},
-  { &key_LOCK_wsrep_SR_store, "LOCK_wsrep_SR_store", PSI_FLAG_GLOBAL}
+  { &key_LOCK_wsrep_SR_store, "LOCK_wsrep_SR_store", PSI_FLAG_GLOBAL},
+  { &key_LOCK_wsrep_joiner_monitor, "LOCK_wsrep_joiner_monitor", PSI_FLAG_GLOBAL},
+  { &key_LOCK_wsrep_donor_monitor, "LOCK_wsrep_donor_monitor", PSI_FLAG_GLOBAL}
 };

 static PSI_cond_info wsrep_conds[]=
@@ -203,7 +211,9 @@ static PSI_cond_info wsrep_conds[]=
  { &key_COND_wsrep_sst_thread, "wsrep_sst_thread", 0},
  { &key_COND_wsrep_thd, "THD::COND_wsrep_thd", 0},
  { &key_COND_wsrep_replaying, "COND_wsrep_replaying", PSI_FLAG_GLOBAL},
-  { &key_COND_wsrep_slave_threads, "COND_wsrep_wsrep_slave_threads", PSI_FLAG_GLOBAL}
+  { &key_COND_wsrep_slave_threads, "COND_wsrep_wsrep_slave_threads", PSI_FLAG_GLOBAL},
+  { &key_COND_wsrep_joiner_monitor, "COND_wsrep_joiner_monitor", PSI_FLAG_GLOBAL},
+  { &key_COND_wsrep_donor_monitor, "COND_wsrep_donor_monitor", PSI_FLAG_GLOBAL}
 };

 static PSI_file_info wsrep_files[]=
@@ -212,14 +222,17 @@ static PSI_file_info wsrep_files[]=
 };

 PSI_thread_key key_wsrep_sst_joiner, key_wsrep_sst_donor,
-  key_wsrep_rollbacker, key_wsrep_applier;
+  key_wsrep_rollbacker, key_wsrep_applier,
+  key_wsrep_sst_joiner_monitor, key_wsrep_sst_donor_monitor;

 static PSI_thread_info wsrep_threads[]=
 {
 {&key_wsrep_sst_joiner, "wsrep_sst_joiner_thread", PSI_FLAG_GLOBAL},
 {&key_wsrep_sst_donor, "wsrep_sst_donor_thread", PSI_FLAG_GLOBAL},
 {&key_wsrep_rollbacker, "wsrep_rollbacker_thread", PSI_FLAG_GLOBAL},
- {&key_wsrep_applier, "wsrep_applier_thread", PSI_FLAG_GLOBAL}
+ {&key_wsrep_applier, "wsrep_applier_thread", PSI_FLAG_GLOBAL},
+ {&key_wsrep_sst_joiner_monitor, "wsrep_sst_joiner_monitor", PSI_FLAG_GLOBAL},
+ {&key_wsrep_sst_donor_monitor, "wsrep_sst_donor_monitor", PSI_FLAG_GLOBAL}
 };

 #endif /* HAVE_PSI_INTERFACE */
@@ -788,6 +801,13 @@ void wsrep_thr_init()
                   &LOCK_wsrep_SR_pool, MY_MUTEX_INIT_FAST);
  mysql_mutex_init(key_LOCK_wsrep_SR_store,
                   &LOCK_wsrep_SR_store, MY_MUTEX_INIT_FAST);
+  mysql_mutex_init(key_LOCK_wsrep_joiner_monitor,
+                   &LOCK_wsrep_joiner_monitor, MY_MUTEX_INIT_FAST);
+  mysql_mutex_init(key_LOCK_wsrep_donor_monitor,
+                   &LOCK_wsrep_donor_monitor, MY_MUTEX_INIT_FAST);
+  mysql_cond_init(key_COND_wsrep_joiner_monitor, &COND_wsrep_joiner_monitor, NULL);
+  mysql_cond_init(key_COND_wsrep_donor_monitor, &COND_wsrep_donor_monitor, NULL);
+
  DBUG_VOID_RETURN;
 }

@@ -891,6 +911,10 @@ void wsrep_thr_deinit()
  mysql_mutex_destroy(&LOCK_wsrep_group_commit);
  mysql_mutex_destroy(&LOCK_wsrep_SR_pool);
  mysql_mutex_destroy(&LOCK_wsrep_SR_store);
+  mysql_mutex_destroy(&LOCK_wsrep_joiner_monitor);
+  mysql_mutex_destroy(&LOCK_wsrep_donor_monitor);
+  mysql_cond_destroy(&COND_wsrep_joiner_monitor);
+  mysql_cond_destroy(&COND_wsrep_donor_monitor);

  delete wsrep_config_state;
  wsrep_config_state= 0;                        // Safety
--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
				`ERROR 2026 (HY000): SSL connection error: Validation of SSL server certificate failed`