Changeset 241479 in webkit

Timestamp:

Feb 13, 2019 2:59:08 PM (5 years ago)

Author:

jer.noble@apple.com

Message:

Null-deref crash at SourceBufferPrivateAVFObjC::outputObscuredDueToInsufficientExternalProtectionChanged()
​https://bugs.webkit.org/show_bug.cgi?id=194613
<rdar://problem/48023912>

Reviewed by Eric Carlson.

• platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm:

(WebCore::SourceBufferPrivateAVFObjC::outputObscuredDueToInsufficientExternalProtectionChanged):

Location:

trunk/Source/WebCore

Files:

• ChangeLog (modified) (1 diff)
• platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm (modified) (1 diff)

trunk/Source/WebCore/ChangeLog

@@ +1 @@
+2019-02-13  Jer Noble  <jer.noble@apple.com>
+
+        Null-deref crash at SourceBufferPrivateAVFObjC::outputObscuredDueToInsufficientExternalProtectionChanged()
+        https://bugs.webkit.org/show_bug.cgi?id=194613
+        <rdar://problem/48023912>
+
+        Reviewed by Eric Carlson.
+
+        * platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm:
+        (WebCore::SourceBufferPrivateAVFObjC::outputObscuredDueToInsufficientExternalProtectionChanged):
+
 2019-02-13  Michael Catanzaro  <mcatanzaro@igalia.com>
 

trunk/Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm

@@ -1032 +1032 @@
 {
 #if ENABLE(ENCRYPTED_MEDIA) && HAVE(AVCONTENTKEYSESSION)
-    if (m_mediaSource->cdmInstance()) {
+    if (m_mediaSource && m_mediaSource->cdmInstance()) {
         m_mediaSource->outputObscuredDueToInsufficientExternalProtectionChanged(obscured);
         return;