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Merge branch '10.1' into 10.2

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MDEV-18046: Assortment of crashes, assertion failures and ASAN errors in mysql_show_binlog_events

Problem:
========
SHOW BINLOG EVENTS FROM <pos> reports following assert when ASAN is enabled.

uint32 binlog_get_uncompress_len(const char*):
  Assertion `(buf[0] & 0xe0) == 0x80' failed

Fix:
===
**Part11: Converted debug assert to error handler code**
This commit is contained in:
Sujatha
2020-01-07 21:17:21 +05:30
parent 0b4ae6724f cb204e11ea
commit 8317f77ccc
8 changed files with 209 additions and 31 deletions
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18
mysql-test/suite/binlog/r/binlog_invalid_read_in_rotate.result Normal file
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@@ -0,0 +1,18 @@
RESET MASTER;
call mtr.add_suppression("Error in Log_event::read_log_event*");
call mtr.add_suppression("Replication event checksum verification failed while reading from a log file*");
DROP TABLE /*! IF EXISTS*/ t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE `t1` (
`col_int` int,
pk integer auto_increment,
`col_char_12_key` char(12),
`col_int_key` int,
`col_char_12` char(12),
primary key (pk),
key (`col_char_12_key` ),
key (`col_int_key` )) ENGINE=InnoDB;
INSERT /*! IGNORE */ INTO t1 VALUES (183173120, NULL, 'abcd', 1, 'efghijk'), (1, NULL, 'lmno', 2, 'p');
ALTER TABLE `t1` ENABLE KEYS;
DROP TABLE t1;

12
mysql-test/suite/binlog/r/binlog_show_binlog_event_random_pos.result Normal file
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@@ -0,0 +1,12 @@
RESET MASTER;
call mtr.add_suppression("Error in Log_event::read_log_event*");
call mtr.add_suppression("Replication event checksum verification failed while reading from a log file*");
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 CHAR(255), c2 CHAR(255), c3 CHAR(255), c4 CHAR(255), c5 CHAR(255));
INSERT INTO t1 VALUES (repeat('a', 255), repeat('a', 255),repeat('a', 255),repeat('a', 255),repeat('a', 255));
INSERT INTO t1 VALUES (repeat('a', 255), repeat('a', 255),repeat('a', 255),repeat('a', 255),repeat('a', 255));
UPDATE t1 SET c1=repeat('b',255);
INSERT INTO t1 VALUES (repeat('a', 255), repeat('a', 255),repeat('a', 255),repeat('a', 255),repeat('a', 255));
DROP TABLE t1;