| Bug #49219 | ndb_mgm segfaults when receiving command after ndb_mgmd restart | ||
|---|---|---|---|
| Submitted: | 30 Nov 2009 17:34 | Modified: | 3 Mar 2010 12:27 |
| Reporter: | Erik Ljungstrom | Email Updates: | |
| Status: | Closed | Impact on me: | |
| Category: | MySQL Cluster: Cluster (NDB) storage engine | Severity: | S3 (Non-critical) |
| Version: | mysql-5.1-telco-7.0 | OS: | Linux (CentOS 5.3) |
| Assigned to: | Magnus Blåudd | CPU Architecture: | Any |
| Tags: | 7.0.9, NDB_MGM | ||
[30 Nov 2009 17:43]
MySQL Verification Team
Thank you for submitting this bug report. Verified as described.
[17 Feb 2010 14:10]
Magnus Blåudd
Can't get it to crash but running in valgrind shows several warnings while reconnecting after SIGPIPE.
[17 Feb 2010 14:13]
Magnus Blåudd
Occurs also in 6.3
[17 Feb 2010 15:28]
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/100640
[3 Mar 2010 10:17]
Magnus Blåudd
Pushed to 6.3.33, 7.0.14 and 7.1.2-beta
[3 Mar 2010 12:27]
Jon Stephens
Documented bugfix in the NDB-6.3.33, 7.0.14, and 7.1.2 changelogs, as follows:
Issuing a command in the ndb_mgm client after it had lost its
connection to the management server could cause the client to crash.
Closed.
Description: ndb_mgm segfaults when it's lost its connection to ndb_mgmd, and another mgmd process has been spawned without restarting the ndb_mgm session. Backtrace: Thread 1 (process 8437): #0 0x0000003cb52705c4 in malloc_consolidate () from /lib64/libc.so.6 #1 0x0000003cb5272a1a in _int_malloc () from /lib64/libc.so.6 #2 0x0000003cb5274bee in malloc () from /lib64/libc.so.6 #3 0x00000000004f29d0 in my_malloc (size=648, my_flags=648) at my_malloc.c:37 #4 0x00000000004684a5 in ndb_mgm_create_handle () at mgmapi.cpp:187 #5 0x0000000000461a45 in CommandInterpreter::connect (this=0x3cb55529e0, interactive=true) at CommandInterpreter.cpp:960 #6 0x0000000000466b13 in CommandInterpreter::execute_impl (this=0x1a1dabf0, _line=0x1a207d20 "show", interactive=true) at CommandInterpreter.cpp:1184 #7 0x0000000000466d80 in CommandInterpreter::execute (this=0x3cb55529e0, _line=0x288 <Address 0x288 out of bounds>, _try_reconnect=<value optimized out>, interactive=144, error=0x0) at CommandInterpreter.cpp:1096 #8 0x0000000000460fce in main (argc=0, argv=0x1a1daad0) at main.cpp:130 Expected: ndb_mgm reconnects and issues command How to repeat: Start an ndb_mgm process in session A and run show. Start another ndb_mgm process in session B. Issue 'shutdown' in session B. Start ndb_mgmd again, and issue 'show' in session A: ndb_mgm> show Got SIGPIPE! Segmentation fault (core dumped)