Bug #26174 | Server Crash: INSERT ... SELECT ... FROM I_S.GLOBAL_STATUS in Event | ||
---|---|---|---|
Submitted: | 8 Feb 2007 1:23 | Modified: | 4 Apr 2007 3:47 |
Reporter: | Kai Voigt | Email Updates: | |
Status: | Closed | Impact on me: | |
Category: | MySQL Server: Stored Routines | Severity: | S1 (Critical) |
Version: | 5.1.15/5.1BK,5.1.14 | OS: | MacOS (MacOSX 10.4.8/Linux) |
Assigned to: | Kristofer Pettersson | CPU Architecture: | Any |
[8 Feb 2007 1:23]
Kai Voigt
[8 Feb 2007 1:58]
MySQL Verification Team
Thank you for the bug report. Verified on Ubuntu 6.10: 070207 23:55:21 [Note] /home/miguel/dbs/5.1/libexec/mysqld: ready for connections. Version: '5.1.16-beta-debug' socket: '/tmp/mysql.sock' port: 3306 Source distribution 070207 23:55:21 [Note] SCHEDULER: Loaded 0 events [New Thread -1257477216 (LWP 13350)] [New Thread -1257677920 (LWP 13354)] 070207 23:56:05 [Note] SCHEDULER: Manager thread started with id 2 [New Thread -1257878624 (LWP 13357)] 070207 23:56:08 [Note] SCHEDULER: [test.log_status of root@localhost] executing in thread 3. Execution 1 Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1257878624 (LWP 13357)] 0x082266b2 in show_ssl_get_cipher (thd=0x8ed0130, var=0xb5062ce4, buff=0xb5062d08 "") at mysqld.cc:6626 6626 SSL_get_cipher((SSL*) thd->net.vio->ssl_arg) : ""); (gdb) bt full #0 0x082266b2 in show_ssl_get_cipher (thd=0x8ed0130, var=0xb5062ce4, buff=0xb5062d08 "") at mysqld.cc:6626 No locals. #1 0x0837468a in fill_schema_status (thd=0x8ed0130, variables=<value optimized out>, status_var=0xb5063188, prefix=0x8697bd0 "", table=0x8ee2368) at sql_show.cc:5171 tmp = {name = 0x8697bd0 "", value = 0xb5062d08 "", type = SHOW_CHAR} var = (SHOW_VAR *) 0x0 show_type = SHOW_FUNC null_lex_str = {str = 0x0, length = 0} <cut>
[13 Mar 2007 13:02]
Andrey Hristov
Linux backtrace, mysqld 5.1.17, gcc4.1 Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1257911408 (LWP 15436)] 0x0821a7e2 in show_ssl_get_cipher (thd=0x8e984f0, var=0xb505b298, buff=0xb505ae58 "") at mysqld.cc:6651 6651 SSL_get_cipher((SSL*) thd->net.vio->ssl_arg) : ""); (gdb) bt #0 0x0821a7e2 in show_ssl_get_cipher (thd=0x8e984f0, var=0xb505b298, buff=0xb505ae58 "") at mysqld.cc:6651 #1 0x0835d653 in fill_schema_status (thd=0x8e984f0, variables=<value optimized out>, status_var=0xb505b2f8, prefix=0x866fed0 "", table=0x8ea31c0) at sql_show.cc:5183 #2 0x0835ef3c in fill_schema_global_status (thd=0x8e984f0, tables=0x8ea2760, cond=0x0) at sql_show.cc:5278 #3 0x0835d434 in get_schema_tables_result (join=0x8ea45c0, executed_place=PROCESSED_BY_JOIN_EXEC) at sql_show.cc:5110 #4 0x08294ed8 in JOIN::exec (this=0x8ea45c0) at sql_select.cc:1508 #5 0x082975a3 in mysql_select (thd=0x8e984f0, rref_pointer_array=0x8ea1ff4, tables=0x8ea2760, wild_num=0, fields=@0x8ea1f48, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=4026812416, result=0x8ea4540, unit=0x8ea1c70, select_lex=0x8ea1eb8) at sql_select.cc:2095 #6 0x08297a92 in handle_select (thd=0x8e984f0, lex=0x8ea1c08, result=0x8ea4540, setup_tables_done_option=1073741824) at sql_select.cc:255 #7 0x0823ae82 in mysql_execute_command (thd=0x8e984f0) at sql_parse.cc:3530 #8 0x083b124d in sp_instr_stmt::exec_core (this=0x8ea2940, thd=0x8e984f0, nextp=0xb505c230) at sp_head.cc:2573 #9 0x083b1527 in sp_lex_keeper::reset_lex_and_exec_core (this=0x8ea296c, thd=0x8e984f0, nextp=0xb505c230, open_tables=false, instr=0x8ea2940) at sp_head.cc:2442 #10 0x083b75b0 in sp_instr_stmt::execute (this=0x8ea2940, thd=0x8e984f0, nextp=0xb505c230) at sp_head.cc:2524 #11 0x083b5c2d in sp_head::execute (this=0x8e89dc0, thd=0x8e984f0) at sp_head.cc:1076 #12 0x083b661f in sp_head::execute_procedure (this=0x8e89dc0, thd=0x8e984f0, args=0xb505c34c) at sp_head.cc:1708 #13 0x083c9812 in Event_job_data::execute (this=0x8e894d0, thd=0x8e984f0) at event_data_objects.cc:1689 #14 0x083c490f in event_worker_thread (arg=0x8e894d0) at event_scheduler.cc:278 #15 0xb7eb7112 in start_thread () from /lib/libpthread.so.0 #16 0xb7dd32ee in clone () from /lib/libc.so.6
[14 Mar 2007 17:27]
Kristofer Pettersson
Latest changeset http://lists.mysql.com/commits/21921
[27 Mar 2007 22:03]
Kristofer Pettersson
Hi! I don't agree that the comments are overwhelming. I think they belong with the design of this particular code. But if you have a suggestion on how you think it should be done I will reconsider this approach. Cheers!
[3 Apr 2007 23:21]
Bugs System
Pushed into 5.1.18-beta
[4 Apr 2007 3:47]
Paul DuBois
Noted in 5.1.18 changelog. Executing an INSERT ... SELECT ... FROM INFORMATION_SCHEMA.GLOBAL_STATUS statement from within an event caused a server crash.