Bug#769941: libgstreamer-plugins-base1.0-0: Iceweasel crashes with "gst_app_src_set_size: assertion 'GST_IS_APP_SRC (appsrc)' failed"

[Sebastian Dröge]

On Mo, 2014-11-17 at 19:13 +0000, George B. wrote:
> Package: libgstreamer-plugins-base1.0-0
> Version: 1.4.4-2
> Severity: critical
> Justification: breaks unrelated software
> 
> Hello,
> 
> Iceweasel has started crashing when I try and login into Google Mail.
> Looking at the backtrace it appears to be caused by libgstreamer, so
> filing a bug against this package (AFAIK this particular package is
> where those functions came from).
> 
> Apologies if this was supposed to filed against a different package -
> feel free to re-assign in that case.
> [...]

Hi,

thanks for reporting this. I assume it first started to appear when
upgrading from 1.4.3 to 1.4.4 yesterday? Can you always reproduce it
when logging in on GMail? Which version of iceweasel are you using?
It does not crash for me unfortunately.

If you can always reproduce it, could you run iceweasel in valgrind
(don't forget to install valgrind-dbg)? Set G_SLICE=always-malloc in the
environment and run valgrind with --track-origins=yes and
--trace-children=yes

This looks like either stack corruption somewhere, or something in
iceweasel released objects that it is still going to use.

I'm not aware of any change from 1.4.3 to 1.4.4 that could be related to
this unfortunately.
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