Bug 158230 - Regression(r201482): Crash under dispatch_semaphore_wait
Summary: Regression(r201482): Crash under dispatch_semaphore_wait
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: WebCore Misc. (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Chris Dumez
URL:
Keywords: InRadar
Depends on:
Blocks: 158166
  Show dependency tree / graph
 
Reported: 2016-05-31 12:46 PDT by Chris Dumez
Modified: 2016-05-31 13:31 PDT (History)
7 users (show)

See Also:

Attachments
Patch (2.28 KB, patch)
2016-05-31 12:51 PDT, Chris Dumez 		no flags Details | Formatted Diff | Diff
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Chris Dumez 2016-05-31 12:46:30 PDT 
Regression(r201482): Crash under dispatch_semaphore_wait:
      50 libdispatch.dylib: dispatch_semaphore_wait
 ==> 50 AVFoundation: -[AVContentKeySession(AVContentKeySession_Internal) contentKeyRequestWithInitializationData:] <==
          50 AVFoundation: -[AVStreamDataParser(AVStreamDataParser_FigManifold) _figManifold:formatDescription:orDecryptorDidChange:forTrackID:]
            50 MediaToolbox: fragManifold_CallFormatDescriptionCallback
              50 MediaToolbox: MovieFragmentManifoldInjectData
                50 AVFoundation: -[AVStreamDataParser _appendStreamData:withFlags:]
                  50 AVFoundation: -[AVStreamDataParser appendStreamData:withFlags:]
                    50 WebCore: ___ZN7WebCore26SourceBufferPrivateAVFObjC6appendEPKhj_block_invoke
                      50 libdispatch.dylib: _dispatch_call_block_and_release
                        50 libdispatch.dylib: _dispatch_client_callout
                          50 libdispatch.dylib: _dispatch_async_redirect_invoke
                            50 libdispatch.dylib: _dispatch_client_callout
                              50 libdispatch.dylib: _dispatch_root_queue_drain
                                50 libdispatch.dylib: _dispatch_worker_thread3
                                  50 libsystem_pthread.dylib: _pthread_wqthread
                                    50 libsystem_pthread.dylib: start_wqthread
Comment 1 Chris Dumez 2016-05-31 12:47:04 PDT 
<rdar://problem/26534698>
Comment 2 Chris Dumez 2016-05-31 12:47:33 PDT 
I believe I found the problem. I will upload a patch shortly.
Comment 3 Chris Dumez 2016-05-31 12:51:23 PDT 
Created attachment 280170 [details]
Patch
Comment 4 WebKit Commit Bot 2016-05-31 13:31:04 PDT 
Comment on attachment 280170 [details]
Patch

Clearing flags on attachment: 280170

Committed r201521: <http://trac.webkit.org/changeset/201521>
Comment 5 WebKit Commit Bot 2016-05-31 13:31:08 PDT 
All reviewed patches have been landed.  Closing bug.