[Webkit-unassigned] [Bug 221143] REGRESSION: [ Big Sur release WK2 ] imported/w3c/web-platform-tests/media-source/mediasource-changetype-play-implicit.html is crashing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=221143

--- Comment #4 from Ryan Haddad <ryanhaddad at apple.com> ---
Created attachment 418782

  --> https://bugs.webkit.org/attachment.cgi?id=418782&action=review

crash log

Thread 34 Crashed:: Dispatch queue: SourceBufferPrivateAVFObjC data parser queue
0   libwebrtc.dylib                     0x000000077d5e14a1 webm::WebmParser::DocumentParser::Feed(webm::Callback*, webm::Reader*) + 625 (webm_parser.cc:166)
1   libwebrtc.dylib                     0x000000077d5e1224 webm::WebmParser::Feed(webm::Callback*, webm::Reader*) + 36 (webm_parser.cc:271)
2   com.apple.WebCore                   0x00000007798013b9 WebCore::SourceBufferParserWebM::appendData(WebCore::SourceBufferParser::Segment&&, WTF::CompletionHandler<void ()>&&, WebCore::SourceBufferParser::AppendFlags) + 537 (SourceBufferParserWebM.cpp:627)
3   com.apple.WebCore                   0x000000077817c94a operator() + 72 (SourceBufferPrivateAVFObjC.mm:600) [inlined]
4   com.apple.WebCore                   0x000000077817c94a invocation function for block in WebCore::SourceBufferPrivateAVFObjC::append(WTF::Vector<unsigned char, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&&) + 106 (SourceBufferPrivateAVFObjC.mm:599)
5   libdispatch.dylib                   0x00007fff201ac5dd _dispatch_call_block_and_release + 12
6   libdispatch.dylib                   0x00007fff201ad7c7 _dispatch_client_callout + 8
7   libdispatch.dylib                   0x00007fff201b0195 _dispatch_continuation_pop + 423
8   libdispatch.dylib                   0x00007fff201af868 _dispatch_async_redirect_invoke + 713
9   libdispatch.dylib                   0x00007fff201bc857 _dispatch_root_queue_drain + 326
10  libdispatch.dylib                   0x00007fff201bcfb8 _dispatch_worker_thread2 + 92
11  libsystem_pthread.dylib             0x00007fff20355453 _pthread_wqthread + 244
12  libsystem_pthread.dylib             0x00007fff20354467 start_wqthread + 15

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.webkit.org/pipermail/webkit-unassigned/attachments/20210130/b1112058/attachment-0001.htm>