Title: [175083] trunk/Source/WebCore
Revision
175083
Author
[email protected]
Date
2014-10-22 20:49:41 -0700 (Wed, 22 Oct 2014)

Log Message

REGRESSION(r175000): Crash in SourceBufferPrivateAVFObjC::destroyParser()
https://bugs.webkit.org/show_bug.cgi?id=137990

Reviewed by Alexey Proskuryakov.

NULL-check m_mediaSource before using.

* platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm:
(WebCore::SourceBufferPrivateAVFObjC::destroyParser):

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (175082 => 175083)


--- trunk/Source/WebCore/ChangeLog	2014-10-23 02:54:24 UTC (rev 175082)
+++ trunk/Source/WebCore/ChangeLog	2014-10-23 03:49:41 UTC (rev 175083)
@@ -1,3 +1,15 @@
+2014-10-22  Jer Noble  <[email protected]>
+
+        REGRESSION(r175000): Crash in SourceBufferPrivateAVFObjC::destroyParser()
+        https://bugs.webkit.org/show_bug.cgi?id=137990
+
+        Reviewed by Alexey Proskuryakov.
+
+        NULL-check m_mediaSource before using.
+
+        * platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm:
+        (WebCore::SourceBufferPrivateAVFObjC::destroyParser):
+
 2014-10-22  Said Abou-Hallawa  <[email protected]>
 
         SVG loaded through html <img> can't request to load any external resources.

Modified: trunk/Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm (175082 => 175083)


--- trunk/Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm	2014-10-23 02:54:24 UTC (rev 175082)
+++ trunk/Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm	2014-10-23 03:49:41 UTC (rev 175083)
@@ -783,7 +783,7 @@
 
 void SourceBufferPrivateAVFObjC::destroyParser()
 {
-    if (m_mediaSource->player()->hasStreamSession())
+    if (m_mediaSource && m_mediaSource->player()->hasStreamSession())
         [m_mediaSource->player()->streamSession() removeStreamDataParser:m_parser.get()];
 
     [m_delegate invalidate];
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