Percona Server moved to https://jira.percona.com/projects/PS

handle_fatal_signal (sig=11) in audit_log_update_thd_local

Bug #1631555 reported by Roel Van de Paar on 2016-10-08

This bug report is a duplicate of: Bug #1626519: Valgrind: Invalid read of size 8 at get_record_buffer by audit_log_notify. Edit Remove

This bug affects 1 person

	Status	Importance	Assigned to
Percona Server moved to https://jira.percona.com/projects/PS	Status tracked in 5.7
5.6	New	Undecided	Unassigned
5.7	Confirmed	Undecided	Laurynas Biveinis

Bug Description

INSTALL PLUGIN audit_log SONAME 'audit_log.so';
SET STATEMENT sort_buffer_size=0 FOR SHOW SESSION VARIABLES LIKE 'sort_buffer_size';
DROP DATABASE test;
SELECT 1; # Shows server is gone

+bt
#0 0x00007fbde7a7c741 in __pthread_kill (threadid=<optimized out>, signo=11) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:61
#1 0x0000000001845fb8 in my_write_core (sig=11) at /git/PS-5.7_dbg/mysys/stacktrace.c:247
#2 0x0000000000e7d01b in handle_fatal_signal (sig=11) at /git/PS-5.7_dbg/sql/signal_handler.cc:223
#3 <signal handler called>
#4 0x00007fbdd8df448b in audit_log_update_thd_local (thd=0x7fbdbb819000, local=0x7fbdbb89c238, event_class=0, event=0x7fbde806f0a0) at /git/PS-5.7_dbg/plugin/audit_log/audit_log.c:1013
#5 0x00007fbdd8df4c63 in audit_log_notify (thd=0x7fbdbb819000, event_class=MYSQL_AUDIT_GENERAL_CLASS, event=0x7fbde806f0a0) at /git/PS-5.7_dbg/plugin/audit_log/audit_log.c:1137
#6 0x0000000000e7eeeb in plugins_dispatch (thd=0x7fbdbb819000, plugin=0x7fbdbb82e1e0, arg=0x7fbde806f040) at /git/PS-5.7_dbg/sql/sql_audit.cc:1231
#7 0x0000000000e7f033 in event_class_dispatch (thd=0x7fbdbb819000, event_class=MYSQL_AUDIT_GENERAL_CLASS, event=0x7fbde806f0a0) at /git/PS-5.7_dbg/sql/sql_audit.cc:1294
#8 0x0000000000e7d8a3 in mysql_audit_notify (thd=0x7fbdbb819000, subclass=MYSQL_AUDIT_GENERAL_STATUS, error_code=0, msg=0x2048ecf "Query", msg_len=5) at /git/PS-5.7_dbg/sql/sql_audit.cc:327
#9 0x000000000150f734 in mysql_audit_general (thd=0x7fbdbb819000, event_subtype=MYSQL_AUDIT_GENERAL_STATUS, error_code=0, msg=0x2048ecf "Query") at /git/PS-5.7_dbg/sql/sql_audit.h:93
#10 0x0000000001514a74 in dispatch_command (thd=0x7fbdbb819000, com_data=0x7fbde806fc90, command=COM_QUERY) at /git/PS-5.7_dbg/sql/sql_parse.cc:1874
#11 0x000000000151252d in do_command (thd=0x7fbdbb819000) at /git/PS-5.7_dbg/sql/sql_parse.cc:1010
#12 0x000000000164e8a8 in handle_connection (arg=0x7fbdcc39dd30) at /git/PS-5.7_dbg/sql/conn_handler/connection_handler_per_thread.cc:312
#13 0x0000000001874bf0 in pfs_spawn_thread (arg=0x7fbddbb91220) at /git/PS-5.7_dbg/storage/perfschema/pfs.cc:2188
#14 0x00007fbde7a77dc5 in start_thread (arg=0x7fbde8070700) at pthread_create.c:308
#15 0x00007fbde5ed4ced in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113