[Bug 708849] hlsdemux occasionally dereferencing NULL in gst_hls_demux_switch_playlist

Sat Sep 28 04:14:55 PDT 2013

https://bugzilla.gnome.org/show_bug.cgi?id=708849
  GStreamer | gst-plugins-bad | 1.2.0

Sebastian Dröge (slomo) <slomo> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |slomo at circular-chaos.org
         Resolution|                            |FIXED
   Target Milestone|HEAD                        |1.3.1

--- Comment #2 from Sebastian Dröge (slomo) <slomo at circular-chaos.org> 2013-09-28 11:14:49 UTC ---
commit 0bdf13c36ae61e150fe6c56d3c4a4e6ab3188ca2
Author: Alex Ashley <bugzilla at ashley-family.net>
Date:   Thu Sep 26 16:51:25 2013 +0100

    hlsdemux: Fix dereferencing of NULL pointer

    On some live HLS streams, gst_hls_demux_switch_playlist causes
    assertion failures because it tried to dereference a NULL fragment.
    This is because g_queue_peek_tail sometimes was returning NULL and
    this case was not being checked.

    This patch does two things:
    * move the g_queue_peek_tail inside the semaphore protection
    * check if q_queue_peek_tail returns NULL

    https://bugzilla.gnome.org/show_bug.cgi?id=708849

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