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MDEV-23149 Server crashes in my_convert / ErrConvString::ptr / Item_char_typecast::check_truncation_with_warn

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10.10 part
This commit is contained in:
Sergei Golubchik
2022-08-09 14:21:38 +02:00
committed by Oleksandr Byelkin
parent 9d2b28d7cc
commit b74dbcb157
3 changed files with 19 additions and 9 deletions
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13
mysql-test/main/func_str.result
View File

@ -1,4 +1,3 @@
drop table if exists t1,t2;
set @save_max_allowed_packet=@@global.max_allowed_packet;
set global max_allowed_packet=1048576;
connect conn1,localhost,root,,;
@ -5405,7 +5404,7 @@ Warnings:
Warning 1292 Truncated incorrect INTEGER value: 'test'
Warning 1292 Truncated incorrect INTEGER value: 'test'
#
# MDEV-29108: RANDOM_BYTES - assertion in Create_tmp_table::finalize
# MDEV-29108 RANDOM_BYTES - assertion in Create_tmp_table::finalize
#
CREATE TABLE t (a INT);
INSERT INTO t VALUES (1),(2);
@ -5415,7 +5414,7 @@ NULL 1
NULL 2
DROP TABLE t;
#
# MDEV-29154: Excessive warnings upon a call to RANDOM_BYTES
# MDEV-29154 Excessive warnings upon a call to RANDOM_BYTES
#
select length(random_bytes(cast('x' as unsigned)+1));
length(random_bytes(cast('x' as unsigned)+1))
@ -5430,5 +5429,13 @@ Warnings:
Warning 1292 Truncated incorrect INTEGER value: 'x'
Warning 1292 Truncated incorrect INTEGER value: 'x'
#
# MDEV-23149 Server crashes in my_convert / ErrConvString::ptr / Item_char_typecast::check_truncation_with_warn
#
select "a" in ("abc", (convert(random_bytes(8) ,binary(2))));
"a" in ("abc", (convert(random_bytes(8) ,binary(2))))
0
Warnings:
Warning 1292 Truncated incorrect BINARY(2) value: '...random bytes...'
#
# End of 10.10 tests
#

14
mysql-test/main/func_str.test
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@ -3,10 +3,6 @@
# Testing string functions
--source include/have_sequence.inc
--disable_warnings
drop table if exists t1,t2;
--enable_warnings
set @save_max_allowed_packet=@@global.max_allowed_packet;
set global max_allowed_packet=1048576;
connect (conn1,localhost,root,,);
@ -2261,7 +2257,7 @@ SELECT random_bytes('res');
SELECT random_bytes('test');
--echo #
--echo # MDEV-29108: RANDOM_BYTES - assertion in Create_tmp_table::finalize
--echo # MDEV-29108 RANDOM_BYTES - assertion in Create_tmp_table::finalize
--echo #
CREATE TABLE t (a INT);
@ -2272,12 +2268,18 @@ SELECT RANDOM_BYTES(-10) f1, IFNULL(a,1) f2 FROM t GROUP BY f1, f2;
DROP TABLE t;
--echo #
--echo # MDEV-29154: Excessive warnings upon a call to RANDOM_BYTES
--echo # MDEV-29154 Excessive warnings upon a call to RANDOM_BYTES
--echo #
select length(random_bytes(cast('x' as unsigned)+1));
select repeat('.', cast('x' as unsigned)+1);
--echo #
--echo # MDEV-23149 Server crashes in my_convert / ErrConvString::ptr / Item_char_typecast::check_truncation_with_warn
--echo #
--replace_regex /'.*'/'...random bytes...'/
select "a" in ("abc", (convert(random_bytes(8) ,binary(2))));
--echo #
--echo # End of 10.10 tests
--echo #

1
sql/item_strfunc.cc
View File

@ -1517,6 +1517,7 @@ String *Item_func_random_bytes::val_str(String *str)
goto err;
str->length(count);
str->set_charset(&my_charset_bin);
if (my_random_bytes((unsigned char *) str->ptr(), (int32) count))
{
ulong ssl_err;