use-of-uninitialized-value in THD::print_aborted_warning(unsigned int, char const*)

INSTALL SONAME 'ha_spider';

SET GLOBAL log_warnings=29;

SHUTDOWN;

==1304085==WARNING: MemorySanitizer: use-of-uninitialized-value

    #0 0x5555565c5e58 in THD::print_aborted_warning(unsigned int, char const*) /test/10.11_dbg_san/sql/sql_class.h:5350:36

    #1 0x555556da6cad in THD::awake_no_mutex(killed_state) /test/10.11_dbg_san/sql/sql_class.cc:1959:3

    #2 0x5555565b9228 in THD::awake(killed_state) /test/10.11_dbg_san/sql/sql_class.h:4037:5

    #3 0x5555565b9228 in kill_thread_phase_1(THD*, void*) /test/10.11_dbg_san/sql/mysqld.cc:1604:8

    #4 0x5555565b9228 in int THD_list_iterator::iterate<void>(char (*)(THD*, void*), void*) /test/10.11_dbg_san/sql/sql_class.h:1148:17

    #5 0x5555565b9228 in close_connections() /test/10.11_dbg_san/sql/mysqld.cc:1770:18

    #6 0x5555565ad578 in mysqld_main(int, char**) /test/10.11_dbg_san/sql/mysqld.cc:6134:3

    #7 0x7fffe682a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16

    #8 0x7fffe682a28a in __libc_start_main csu/../csu/libc-start.c:360:3

    #9 0x555556509924 in _start (/test/MSAN_MD170626-mariadb-10.11.19-linux-x86_64-dbg/bin/mariadbd+0xfb5924) (BuildId: df368211d1c6a9c617d3cc647af18454d241e514)

  Memory was marked as uninitialized

    #0 0x5555565480f1 in __msan_allocated_memory (/test/MSAN_MD170626-mariadb-10.11.19-linux-x86_64-dbg/bin/mariadbd+0xff40f1) (BuildId: df368211d1c6a9c617d3cc647af18454d241e514)

    #1 0x555558544d31 in my_malloc /test/10.11_dbg_san/mysys/my_malloc.c:116:7

SUMMARY: MemorySanitizer: use-of-uninitialized-value /test/10.11_dbg_san/sql/sql_class.h:5350:36 in THD::print_aborted_warning(unsigned int, char const*)

Exiting

260618 13:49:30 [ERROR] /test/MSAN_MD170626-mariadb-10.11.19-linux-x86_64-dbg/bin/mariadbd got signal 6 ;

Sorry, we probably made a mistake, and this is a bug.

Your assistance in bug reporting will enable us to fix this for the next release.

To report this bug, see https://mariadb.com/docs/general-resources/community/community/bug-tracking/reporting-bugs about how to report

a bug on https://jira.mariadb.org/.

Please include the information from the server start above, to the end of the

information below.

Server version: 10.11.19-MariaDB-debug source revision: b1e62d5e530243456338e44be064952a53062fd5

The information page at https://mariadb.com/docs/server/reference/product-development/mariadb-fault-finding/how-to-produce-a-full-stack-trace-for-mariadbdcontains instructions to obtain a better version of the backtrace below.

Following these instructions will help MariaDB developers provide a fix quicker.

Attempting backtrace. Include this in the bug report.

(note: Retrieving this information may fail)

Thread pointer: 0x0

stack_bottom = 0x0 thread_stack 0x200000

/test/MSAN_MD170626-mariadb-10.11.19-linux-x86_64-dbg/bin/mariadbd(___interceptor_backtrace+0xd6)[0x555556564006]

mysys/stacktrace.c:215(my_print_stacktrace)[0x55555854fb85]

sql/signal_handler.cc:0(handle_fatal_signal)[0x555556b14a10]

crtstuff.c:0(SignalHandler(int))[0x555556597dbd]

libc_sigaction.c:0(__restore_rt)[0x7fffe6845330]

nptl/pthread_kill.c:44(__pthread_kill_implementation)[0x7fffe689eb2c]

posix/raise.c:27(__GI_raise)[0x7fffe684527e]

stdlib/abort.c:81(__GI_abort)[0x7fffe68288ff]

crtstuff.c:0(__sanitizer::Atexit(void (*)()))[0x5555565218f0]

crtstuff.c:0(__sanitizer::Die())[0x55555651f662]

/test/MSAN_MD170626-mariadb-10.11.19-linux-x86_64-dbg/bin/mariadbd(+0xfe2fe7)[0x555556536fe7]

sql/sql_class.h:5365(THD::print_aborted_warning(unsigned int, char const*))[0x5555565c5e59]

sql/sql_class.cc:1965(THD::awake_no_mutex(killed_state))[0x555556da6cae]

psi/mysql_thread.h:790(inline_mysql_mutex_unlock(st_mysql_mutex*, char const*, unsigned int))[0x5555565b9229]

sql/mysqld.cc:6135(mysqld_main(int, char**))[0x5555565ad579]

x86/libc-start.c:74(__libc_start_call_main)[0x7fffe682a1ca]

csu/libc-start.c:128(call_init)[0x7fffe682a28b]

/test/MSAN_MD170626-mariadb-10.11.19-linux-x86_64-dbg/bin/mariadbd(_start+0x25)[0x555556509925]