Bug 172457

Summary:

ASSERTION FAILED: m_boundThread == currentThread() in WTF::WeakReference<WebCore::WebCoreDecompressionSession>::clear()

Product:

WebKit

Reporter:

Ryan Haddad <ryanhaddad>

Component:

New Bugs

Assignee:

Jer Noble <jer.noble>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

commit-queue, eric.carlson, jer.noble, jlewis3, webkit-bug-importer

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Crash log	none
Patch	none

Description Ryan Haddad 2017-05-22 10:53:50 PDT

ASSERTION FAILED: m_boundThread == currentThread()
/Volumes/Data/slave/elcapitan-debug/build/WebKitBuild/Debug/usr/local/include/wtf/WeakPtr.h(65) : void WTF::WeakReference<WebCore::WebCoreDecompressionSession>::clear() [T = WebCore::WebCoreDecompressionSession]
1   0x1153ba500 WTFCrash
2   0x109be2592 WTF::WeakReference<WebCore::WebCoreDecompressionSession>::clear()
3   0x109be24aa WTF::WeakPtrFactory<WebCore::WebCoreDecompressionSession>::~WeakPtrFactory()
4   0x109be23b5 WTF::WeakPtrFactory<WebCore::WebCoreDecompressionSession>::~WeakPtrFactory()
5   0x109be22e5 WebCore::WebCoreDecompressionSession::~WebCoreDecompressionSession()
6   0x109be22b5 WebCore::WebCoreDecompressionSession::~WebCoreDecompressionSession()
7   0x109be2289 WTF::ThreadSafeRefCounted<WebCore::WebCoreDecompressionSession>::deref() const
8   0x109be4be4 void WTF::derefIfNotNull<WebCore::WebCoreDecompressionSession>(WebCore::WebCoreDecompressionSession*)
9   0x109be4ba3 WTF::RefPtr<WebCore::WebCoreDecompressionSession>::~RefPtr()
10  0x109bdfb35 WTF::RefPtr<WebCore::WebCoreDecompressionSession>::~RefPtr()
11  0x10a7b81be WebCore::WebCoreDecompressionSession::enqueueSample(opaqueCMSampleBuffer*, bool)::$_2::~$_2()
12  0x10a7b5035 WebCore::WebCoreDecompressionSession::enqueueSample(opaqueCMSampleBuffer*, bool)::$_2::~$_2()
13  0x10a7b500c __destroy_helper_block_11
14  0x7fff9e6ee6b1 _Block_release
15  0x7fff9a17d40b _dispatch_client_callout
16  0x7fff9a18203b _dispatch_queue_drain
17  0x7fff9a188707 _dispatch_queue_invoke
18  0x7fff9a17d40b _dispatch_client_callout
19  0x7fff9a18129b _dispatch_root_queue_drain
20  0x7fff9a180b00 _dispatch_worker_thread3
21  0x7fff9e6544de _pthread_wqthread
22  0x7fff9e652341 start_wqthread

https://build.webkit.org/results/Apple%20El%20Capitan%20Debug%20WK2%20(Tests)/r217217%20(1271)/results.html

Comment 1 Ryan Haddad 2017-05-22 10:54:25 PDT

Created attachment 310892 [details]
Crash log

Comment 2 Radar WebKit Bug Importer 2017-05-22 10:55:09 PDT

<rdar://problem/32329436>

Comment 3 Ryan Haddad 2017-05-22 10:59:20 PDT

This has been seen with the following LayoutTests:
imported/w3c/web-platform-tests/media-source/mediasource-buffered.html
imported/w3c/web-platform-tests/media-source/mediasource-closed.html
imported/w3c/web-platform-tests/media-source/mediasource-attach-stops-delaying-load-event.html

Comment 4 Jer Noble 2017-05-22 11:17:07 PDT

Created attachment 310894 [details]
Patch

Comment 5 WebKit Commit Bot 2017-05-22 12:02:15 PDT

Comment on attachment 310894 [details]
Patch

Clearing flags on attachment: 310894

Committed r217234: <http://trac.webkit.org/changeset/217234>

Comment 6 WebKit Commit Bot 2017-05-22 12:02:16 PDT

All reviewed patches have been landed.  Closing bug.