Bug#776172: vlc: crash (segmentation fault) on a webm file

[Sebastian Ramacher]

Control: tag -1 moreinfo

On 2015-01-25 01:47:16, Vincent Lefevre wrote:
> Package: vlc
> Version: 2.2.0~rc2-2
> Severity: important
> 
> vlc crashed on a webm file. The full backtrace:
> 
> (gdb) bt full
> #0  0x00007f56945ed937 in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.56
> No symbol table info available.
> #1  0x00007f56945ee319 in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.56
> No symbol table info available.
> #2  0x00007f5694535e19 in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.56
> No symbol table info available.
> #3  0x00007f569453be15 in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.56
> No symbol table info available.
> #4  0x00007f56944dc3f8 in avcodec_default_execute2 ()
>    from /usr/lib/x86_64-linux-gnu/libavcodec.so.56
> No symbol table info available.
> #5  0x00007f569453f8f3 in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.56
> No symbol table info available.
> #6  0x00007f5694448c76 in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.56
> No symbol table info available.
> #7  0x00007f56d4b640a4 in start_thread (arg=0x7f56920eb700)
>     at pthread_create.c:309
>         __res = <optimized out>
>         pd = 0x7f56920eb700
>         now = <optimized out>
>         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140009794352896, 
>                 752477466251342829, 0, 140010919276640, 140009973917120, 
>                 140009794352896, -802640904524024851, -802486085010607123}, 
>               mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
>             data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>         not_first_call = <optimized out>
>         pagesize_m1 = <optimized out>
>         sp = <optimized out>
>         freesize = <optimized out>
>         __PRETTY_FUNCTION__ = "start_thread"
> #8  0x00007f56d4694ccd in clone ()
>     at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
> No locals.
> 
> Perhaps a bug in libavcodec56.

Does avprobe / avplay crash too?

> Note: for some reason, I can't give you any information on the
> webm file in question before a few days.

Well, let's us know once you can tell us more about the file …

Cheers
-- 
Sebastian Ramacher
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