Bug#788708: Bug#799632: iceweasel: SIGSEGV when playing videos via gstreamer

[Sebastian Dröge]

On So, 2015-12-06 at 12:17 +0100, Soeren D. Schulze wrote:
> Am 06.12.2015 um 08:50 schrieb Sebastian Dröge:
> > > Hello,
> > > 
> > > it is not fixed, alas.  The following SIGSEGV backtrace is with
> > > gstreamer1.0-plugins-bad 1.6.1-1+b1 and iceweasel 38.4.0esr-
> > > 1.  Such
> > > crashes are rarer, but they do occur:
> > 
> > Hi,
> > 
> > this is a different bug than the stack corruption related to the
> > faad
> > plugin though. It looks like broken error handling in iceweasel:
> > https://github.com/mozilla/gecko-dev/blob/GECKO3840esr_2015102720_R
> > ELBRANCH/dom/media/gstreamer/GStreamerReader.cpp#L1464
> > 
> > This line here should check if mapping actually succeeds.
> > Apparently it
> > doesn't (for whatever reason which might be another bug), as in the
> > next stack frame all field in frame are 0.
> 
> Right after sending the last message, I could reproduce the crash 
> without frames #0--#2, so the crash looks very similar to the one
> that I reported initially (see below).
> [...]

That's the same crash :) How can you reproduce this? It never happened
to me so far.

Do you also get that with a newer version of iceweasel?
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