[GStreamer] On reddit.com, gst video info assertion failed

[Kdwk]

Created attachment 466990 [details]
gdb (bt full) output

See attached backtraces.

[Kdwk]

Created attachment 466991 [details]
gdb (t a a bt) output

[Michael Catanzaro]

You forgot to press 'c' for 'continue' again

[Víctor M. Jáquez L.]

Can you point out what video reproduces that crash? what page on reddit, exactly?

[Víctor M. Jáquez L.]

would be nice to have all the threads dumped

[Kdwk]

(In reply to Michael Catanzaro from comment #2)
> You forgot to press 'c' for 'continue' again

Ah dang it

[Carlos Alberto Lopez Perez]

tip: use the following command to get the BT with threads

gdb --batch -ex "thread apply all bt full" /full/path/to/WebKitWebProcess core &> backtrace.txt

[Kdwk]

Unfortunately, there was another WebProcess crash and I can't access this crash anymore via flatpak-coredumpctl

[Kdwk]

Created attachment 467002 [details]
gdb (bt full; c) output

Hit it again.

[Kdwk]

Created attachment 467003 [details]
gdb (t a a bt; c) output

[Philippe Normand]

 (GST_VIDEO_INFO_WIDTH (&input_state->info) == GST_VIDEO_INFO_WIDTH (&base->input_state->info) && GST_VIDEO_INFO_HEIGHT (&input_state->info) == GST_VIDEO_INFO_HEIGHT (&input_state->in"

[Philippe Normand]

I think for this kind of bug, without a clear reproducer, I'm not sure there's much we can do.

[Kdwk]

I think the reproducer is simply "go to reddit.com and scroll until there's a video". This happens whenever there's a video on screen

[Kdwk]

For e.g. this can be triggered by going to https://www.reddit.com/r/BeAmazed and playing a couple of videos

[Philippe Normand]

Is this happening in Canary too?
I really can't reproduce this here, sorry.

[Philippe Normand]

No reply, I guess this can be re-opened if/when feedback re-appears.

[Víctor M. Jáquez L.]

Still, I have cooked a patch for this.

https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5237