Bug 158230

Summary:

Regression(r201482): Crash under dispatch_semaphore_wait

Product:

WebKit

Reporter:

Chris Dumez <cdumez>

Component:

WebCore Misc.

Assignee:

Chris Dumez <cdumez>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

beidson, commit-queue, darin, eric.carlson, jer.noble, ryanhaddad, webkit-bug-importer

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Bug Depends on:

Bug Blocks:

158166

Attachments:

Description	Flags
Patch	none

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.