Bug #28075 COM_DEBUG crashes mysqld
Submitted: 24 Apr 2007 14:39 Modified: 2 Jun 2007 13:15
Reporter: Andrey Hristov Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Stored Routines Severity:S1 (Critical)
Version:5.1.17+ OS:Any
Assigned to: Andrey Hristov CPU Architecture:Any

[24 Apr 2007 14:39] Andrey Hristov 
Description:
COM_DEBUG sent to 5.1.17 or later crashes the server. Crashes somewhere in the Event Scheduler's dumping of data.

How to repeat:
mysqladmin debug
[24 Apr 2007 16:09] Sveta Smirnova 
Thank you for the report.

Verified as described.
[3 May 2007 5:06] MySQL Verification Team 
Stack range sanity check OK, backtrace follows:
0x81fbe0c handle_segfault + 796
0x4012c8db _end + 932682635
0x40106db0 _end + 932528224
0x83c6fd9 _ZN15Event_scheduler20dump_internal_statusEv + 185
0x83d50e2 _ZN6Events20dump_internal_statusEv + 162
0x82a5b4f _Z18mysql_print_statusv + 1887
0x8214ec9 _Z16dispatch_command19enum_server_commandP3THDPcj + 3129
0x8215f55 _Z10do_commandP3THD + 421
0x82031fe handle_one_connection + 206
0x4004daa7 _end + 931769687
0x4017ec2e _end + 933019358
[14 May 2007 7:57] Axel Schwenke 
duplicated as bug#28388
[21 May 2007 8:51] Bugs System 
A patch for this bug has been committed. After review, it may
be pushed to the relevant source trees for release in the next
version. You can access the patch from:

  http://lists.mysql.com/commits/27059

ChangeSet@1.2530, 2007-05-21 10:51:11+02:00, andrey@whirlpool.mysql.com +4 -0
  Fix for bug#28075 COM_DEBUG crashes mysqld
  
  Uninitialized in the constructor member variables were
  pointing to nirvana and causing a crash when debug information
  of the Event Scheduler was dumped in result to COM_DEBUG
  packet sent to the server.
[22 May 2007 16:18] Bugs System 
A patch for this bug has been committed. After review, it may
be pushed to the relevant source trees for release in the next
version. You can access the patch from:

  http://lists.mysql.com/commits/27145

ChangeSet@1.2531, 2007-05-22 18:18:39+02:00, andrey@whirlpool.mysql.com +1 -0
  Test case for bug#28075
[1 Jun 2007 19:22] Bugs System 
Pushed into 5.1.20-beta
[2 Jun 2007 13:15] Jon Stephens 
Thank you for your bug report. This issue has been committed to our source repository of that product and will be incorporated into the next release.

If necessary, you can access the source repository and build the latest available version, including the bug fix. More information about accessing the source trees is available at

    http://dev.mysql.com/doc/en/installing-source.html

Documented bugfix in 5.1.20 changelog.
[20 Jun 2007 15:15] Bugs System 
A patch for this bug has been committed. After review, it may
be pushed to the relevant source trees for release in the next
version. You can access the patch from:

  http://lists.mysql.com/commits/29196

ChangeSet@1.2524, 2007-06-20 19:14:59+04:00, kostja@bodhi.(none) +1 -0
  Enable the disabled test case for Bug#28075 (pushbuild by now
  should be fixed).
[20 Jun 2007 19:54] Bugs System 
Pushed into 5.1.20-beta