Bug#709841: iceweasel: spurious out of memory + crash (segmentation fault)

Vincent Lefevre vincent at vinc17.net
Fri Aug 16 15:58:23 UTC 2013


On 2013-05-26 11:00:21 +0200, Vincent Lefevre wrote:
> (gdb) bt full
> #0  0x00007fc1e040e0eb in raise (sig=11) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:38
>         resultvar = 0
>         pid = <optimized out>
> #1  0x00007fc1dcc0f371 in nsProfileLock::FatalSignalHandler (signo=11, info=<optimized out>, context=<optimized out>) at /tmp/buildd/iceweasel-21.0/build-xulrunner/toolkit/profile/nsProfileLock.cpp:180
>         unblock_sigs = {__val = {1024, 0 <repeats 15 times>}}
>         oldact = <optimized out>
> #2  <signal handler called>
> No locals.
> #3  mozalloc_abort (msg=msg at entry=0x7fc1deb55124 "out of memory") at /tmp/buildd/iceweasel-21.0/memory/mozalloc/mozalloc_abort.cpp:30
> No locals.
> #4  0x00007fc1deb550e2 in mozalloc_handle_oom (size=size at entry=32768) at /tmp/buildd/iceweasel-21.0/memory/mozalloc/mozalloc_oom.cpp:27
> No locals.
> #5  0x00007fc1deb54f21 in moz_xmalloc (size=32768) at /tmp/buildd/iceweasel-21.0/memory/mozalloc/mozalloc.cpp:56
>         ptr = <optimized out>
[...]

Very similar to crashes like:

  https://crash-stats.mozilla.com/report/index/182ec0dc-0bb0-44a5-97a0-433072130816

from the following discussion:

  https://twitter.com/laurentchemla/status/368301900824711168

(in French).

-- 
Vincent Lefèvre <vincent at vinc17.net> - Web: <http://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)



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