Memory leak in mysql_client_test.c

[Laurynas Biveinis]

main.mysql_client_test w1 [ fail ]
        Test ended at 2016-07-18 10:19:03

CURRENT_TEST: main.mysql_client_test
mysqltest: At line 17: command "$MYSQL_CLIENT_TEST --getopt-ll-test=25600M $PLUGIN_AUTH_CLIENT_OPT >> $MYSQLTEST_VARDIR/log/mysql_client_test.out.log 2>&1" failed

==2470==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 1272 byte(s) in 1 object(s) allocated from:
    #0 0x7f9d88f27602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)
    #1 0x4ed714 in my_malloc /home/laurynas/mysql-server/mysys/my_malloc.c:38
    #2 0x483cf0 in mysql_init /home/laurynas/mysql-server/sql-common/client.c:1669
    #3 0x40b314 in mysql_client_init /home/laurynas/mysql-server/tests/mysql_client_fw.c:254
    #4 0x40e3fb in test_wl6587 /home/laurynas/mysql-server/tests/mysql_client_test.c:19233
    #5 0x475372 in main /home/laurynas/mysql-server/tests/mysql_client_fw.c:1436
    #6 0x7f9d87c0a82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)

SUMMARY: AddressSanitizer: 1272 byte(s) leaked in 1 allocation(s).

[Laurynas Biveinis (laurynas-biveinis)]

The fix is to backport

commit 3833aed1b94b18437fecd7df948234984a385770
Author: Jon Olav Hauglid <email address hidden>
Date: Tue Jun 23 11:15:17 2015 +0100

    Bug#21246842: ASAN: MEMORY LEAK IN TEST_WL6587()

    Fix memory leak in mysql_client_test - test_wl6587().
    Close the mysql connection by calling mysql_close()
    to free resources.

    Also fix a number of valgrind warnings (uninitialized data)
    in other tests.

[Laurynas Biveinis (laurynas-biveinis)]

https://github.com/percona/percona-server/pull/681, https://github.com/percona/percona-server/pull/682

[Shahriyar Rzayev (rzayev-sehriyar)]

Percona now uses JIRA for bug reports so this bug report is migrated to: https://jira.percona.com/browse/PS-3489