[gstreamer-bugs] [Bug 600553] [jpegdec] crashes on a fuzzed jpeg

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=600553
  GStreamer | gst-plugins-good | git

Mark Nauwelaerts <mnauw> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |mnauw at users.sourceforge.net
         Resolution|                            |FIXED
   Target Milestone|HEAD                        |0.10.23

--- Comment #4 from Mark Nauwelaerts <mnauw at users.sourceforge.net> 2010-04-30 15:51:58 UTC ---
This particular fuzzed image has some unusual v_samp_factor, which jpegdec is
not really set to handle, so add some checks to stay within (implicit)
expectations:

commit cec48383b16f25e2959e38843b89919a6c7e8c14
Author: Mark Nauwelaerts <mark.nauwelaerts at collabora.co.uk>
Date:   Fri Apr 30 12:42:42 2010 +0200

    jpegdec: more sanity checks on input

    Specifically, verify input components / colour space is as code
    subsequently expects, thereby avoiding crashes or otherwise bogus output.
    Presently, that means 3 components YCbCr colour space, and somewhat
    limited sampling factors.

    Fixes #600553.

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