ASAN: MEMORY LEAK IN MYSQLSLAP

[Laurynas Biveinis]

main.mysqlslap w1 [ fail ]
        Test ended at 2016-05-23 07:21:31

CURRENT_TEST: main.mysqlslap

=================================================================
==14312==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 25440 byte(s) in 20 object(s) allocated from:
    #0 0x7f4ad3c0254a in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x9854a)
    #1 0x463877 in my_malloc /mnt/workspace/percona-server-5.5-asan-param/BUILD_TYPE/debug-asan/Host/ubuntu-xenial-64bit/mysys/my_malloc.c:38
    #2 0x41511e in mysql_init /mnt/workspace/percona-server-5.5-asan-param/BUILD_TYPE/debug-asan/Host/ubuntu-xenial-64bit/sql-common/client.c:1734
    #3 0x40b923 in run_task /mnt/workspace/percona-server-5.5-asan-param/BUILD_TYPE/debug-asan/Host/ubuntu-xenial-64bit/client/mysqlslap.c:1837
    #4 0x7f4ad39546f9 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x76f9)

Direct leak of 7 byte(s) in 1 object(s) allocated from:
    #0 0x7f4ad3c0254a in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x9854a)
    #1 0x463877 in my_malloc /mnt/workspace/percona-server-5.5-asan-param/BUILD_TYPE/debug-asan/Host/ubuntu-xenial-64bit/mysys/my_malloc.c:38
    #2 0x463f35 in my_strdup /mnt/workspace/percona-server-5.5-asan-param/BUILD_TYPE/debug-asan/Host/ubuntu-xenial-64bit/mysys/my_malloc.c:152
    #3 0x41b56a in mysql_options /mnt/workspace/percona-server-5.5-asan-param/BUILD_TYPE/debug-asan/Host/ubuntu-xenial-64bit/sql-common/client.c:4186
    #4 0x40b0bb in main /mnt/workspace/percona-server-5.5-asan-param/BUILD_TYPE/debug-asan/Host/ubuntu-xenial-64bit/client/mysqlslap.c:345
    #5 0x7f4ad27b982f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)

SUMMARY: AddressSanitizer: 25447 byte(s) leaked in 21 allocation(s).
mysqltest: At line 8: command "$MYSQL_SLAP --only-print --iterations=20 --query="select * from t1" --create="CREATE TABLE t1 (id int, name varchar(64)); INSERT INTO t1 VALUES (1, 'This is a test')" --delimiter=";"" failed

The fix would be to backport

commit 182b8d3286149bb0c3371ca177b9b989a5db3a94
Author: Jon Olav Hauglid <email address hidden>
Date: Thu Jun 18 08:01:41 2015 +0100

    Bug#21250947: ASAN: MEMORY LEAK IN MYSQLSLAP

    Fix various memory leaks in mysqlslap.
    Call mysql_close() to free resources allocated by mysql_init().
    Also add a few missing DBUG_RETURNs.

[Laurynas Biveinis (laurynas-biveinis)]

https://github.com/percona/percona-server/pull/588, https://github.com/percona/percona-server/pull/589, https://github.com/percona/percona-server/pull/590

[Shahriyar Rzayev (rzayev-sehriyar)]

Percona now uses JIRA for bug reports so this bug report is migrated to: https://jira.percona.com/browse/PS-3455