[Pacemaker] crmd Segmentation fault at pacemaker 1.0.12

[Andrew Beekhof]

On 13 Nov 2013, at 7:36 pm, TAKATSUKA Haruka <harukat at sraoss.co.jp> wrote:

> Hello,  pacemaker hackers
> 
> I report crmd's crash at pacemaker 1.0.12 .
> 
> We are going to upgrade pacemaker 1.0.12 to 1.0.13 .
> But I was not able to find a fix for this problem from ChangeLog.
> tengine.c:do_te_invoke() is not seem to care for transition_graph==NULL
> case in even 1.0.x head code.

This should help:

https://github.com/ClusterLabs/pacemaker-1.0/commit/20f169d9cccb6c889946c64ab09ab4fb7f572f7c

> 
> regards,
> Haruka Takatsuka.
> -----
> 
> [log]
> Nov 07 00:00:08 srv1 crmd: [21843]: ERROR: crm_abort: abort_transition_graph: Triggered assert at te_utils.c:259 : transition_graph != NULL
> Nov 07 00:00:08 srv1 heartbeat: [21823]: WARN: Managed /usr/lib64/heartbeat/crmd process 21843 killed by signal 11 [SIGSEGV - Segmentation violation].
> Nov 07 00:00:08 srv1 heartbeat: [21823]: ERROR: Managed /usr/lib64/heartbeat/crmd process 21843 dumped core
> Nov 07 00:00:08 srv1 heartbeat: [21823]: EMERG: Rebooting system.  Reason: /usr/lib64/heartbeat/crmd
> 
> [gdb]
> $ gdb -c core.21843 -s crmd.debug crmd
> --(snip)--
> Program terminated with signal 11, Segmentation fault.
> #0  0x00000000004199c4 in do_te_invoke (action=140737488355328,
>    cause=C_FSA_INTERNAL, cur_state=S_POLICY_ENGINE,
>    current_input=I_FINALIZED, msg_data=0x1b28e20) at tengine.c:186
> 186                     if(transition_graph->complete == FALSE) {
> --(snip)--
> (gdb) bt
> #0  0x00000000004199c4 in do_te_invoke (action=140737488355328, cause=
>    C_FSA_INTERNAL, cur_state=S_POLICY_ENGINE, current_input=I_FINALIZED,
>    msg_data=0x1b28e20) at tengine.c:186
> #1  0x0000000000405ca3 in do_fsa_action (fsa_data=0x1b28e20, an_action=
>    140737488355328, function=0x419831 <do_te_invoke>) at fsa.c:154
> #2  0x0000000000406b22 in s_crmd_fsa_actions (fsa_data=0x1b28e20) at fsa.c:410
> #3  0x00000000004061a1 in s_crmd_fsa (cause=C_FSA_INTERNAL) at fsa.c:267
> #4  0x000000000041208f in crm_fsa_trigger (user_data=0x0) at callbacks.c:631
> #5  0x0000003777a26146 in crm_trigger_dispatch (source=0x1b1b590, callback=
>    0x412026 <crm_fsa_trigger>, userdata=0x1b1b590) at mainloop.c:53
> #6  0x00000031d8a38f0e in g_main_context_dispatch ()
>   from /lib64/libglib-2.0.so.0
> #7  0x00000031d8a3c938 in ?? () from /lib64/libglib-2.0.so.0
> #8  0x00000031d8a3cd55 in g_main_loop_run () from /lib64/libglib-2.0.so.0
> #9  0x00000000004051bb in crmd_init () at main.c:139
> #10 0x0000000000405093 in main (argc=1, argv=0x7fff947d1388) at main.c:105
> (gdb) list
> 181
> 182             if(action & A_TE_CANCEL) {
> 183                     crm_debug("Cancelling the transition: %s",
> 184                               transition_graph->complete?"inactive":"active");
> 185                     abort_transition(INFINITY, tg_restart, "Peer Cancelled", NULL);
> 186                     if(transition_graph->complete == FALSE) {
> 187                         crmd_fsa_stall(NULL);
> 188                     }
> 189
> 190             } else if(action & A_TE_HALT) {
> (gdb) p transition_graph
> $1 = (crm_graph_t *) 0x0
> 
> 
> 
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