From: Tim-Philipp Müller <tim@centricular.net>
Date: Mon, 18 Dec 2006 12:27:32 +0000 (+0000)
Subject: gst/qtdemux/qtdemux.c: Fix crash dereferencing NULL pointer if there's no stco atom.
X-Git-Tag: 1.19.3~507^2~21271
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1891c3240bdbe7846caea6474ec6be2e0b2b737e;p=platform%2Fupstream%2Fgstreamer.git

gst/qtdemux/qtdemux.c: Fix crash dereferencing NULL pointer if there's no stco atom.

Original commit message from CVS:
* gst/qtdemux/qtdemux.c: (qtdemux_parse_trak):
Fix crash dereferencing NULL pointer if there's no stco atom.
Fixes #387122.
---

diff --git a/ChangeLog b/ChangeLog
index 91a0797..5914324 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2006-12-18  Tim-Philipp Müller  <tim at centricular dot net>
+
+	* gst/qtdemux/qtdemux.c: (qtdemux_parse_trak):
+	  Fix crash dereferencing NULL pointer if there's no stco atom.
+	  Fixes #387122.
+
 2006-12-18  Jan Schmidt  <thaytan@mad.scientist.com>
 
 	* ext/wavpack/gstwavpackenc.h:
diff --git a/gst/qtdemux/qtdemux.c b/gst/qtdemux/qtdemux.c
index 7c3864f..504e1cf 100644
--- a/gst/qtdemux/qtdemux.c
+++ b/gst/qtdemux/qtdemux.c
@@ -3682,7 +3682,10 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
   co64 = qtdemux_tree_get_child_by_type (stbl, FOURCC_co64);
   if (stco == NULL && co64 == NULL)
     goto corrupt_file;
-  stco_data = (const guint8 *) stco->data;
+  if (stco)
+    stco_data = (const guint8 *) stco->data;
+  else
+    stco_data = NULL;
   /* sample time */
   stts = qtdemux_tree_get_child_by_type (stbl, FOURCC_stts);
   if (stts == NULL)