Bug 260742 – REGRESSION (267279@main): [ macOS Debug ] ASSERTION FAILED: WebCore::MediaSource::completeSeek()::SeeksCallbackAggregator::SeeksCallbackAggregator

• Component: New Bugs
• Status: RESOLVED FIXED

[Karl Rackler]

Created attachment 467442 [details]
symbolicated-log

Description:
fast/canvas/webgl/texImage2D-mse-flipY-false.html
fast/canvas/webgl/texImage2D-mse-flipY-true.html

2 fast/canvas/webgl/texImage2D-mse-flipY are a consistent crash on macOS ToT and since 267279@main.  
Commit <https://commits.webkit.org/267279@main> modified code for SeeksCallbackAggregator which is now causing the tests assertions on macOS debug.

This issue can be reproduced using command:
run-webkit-tests --debug --iterations=1   fast/canvas/webgl/texImage2D-mse-flipY-false.html

History:
https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=fast%2Fcanvas%2Fwebgl%2FtexImage2D-mse-flipY-false.html&test=fast%2Fcanvas%2Fwebgl%2FtexImage2D-mse-flipY-true.html&platform=mac&style=debug

Crash Log:
Thread 0 Crashed::   Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore      	       0x1377de6e0 WTFCrash
1   com.apple.WebCore             	       0x2840c7cd0 WTFCrashWithInfo(int, char const*, char const*, int)
2   com.apple.WebCore             	       0x28277d334 WebCore::MediaSource::completeSeek()::SeeksCallbackAggregator::SeeksCallbackAggregator(WTF::MediaTime, WebCore::MediaSource&, WTF::CompletionHandler<void (WTF::MediaTime const&)>&&)
3   com.apple.WebCore             	       0x28276d2e0 WebCore::MediaSource::completeSeek()::SeeksCallbackAggregator::SeeksCallbackAggregator(WTF::MediaTime, WebCore::MediaSource&, WTF::CompletionHandler<void (WTF::MediaTime const&)>&&)
4   com.apple.WebCore             	       0x28276d144 WebCore::MediaSource::completeSeek()
5   com.apple.WebCore             	       0x28276cd20 WebCore::MediaSource::seekToTarget(WebCore::SeekTarget const&, WTF::CompletionHandler<void (WTF::MediaTime const&)>&&)

[Radar WebKit Bug Importer]

<rdar://problem/114472398>

[EWS]

Test gardening commit 267302@main (fbe822a7df67): <https://commits.webkit.org/267302@main>

Reviewed commits have been landed. Closing PR #17085 and removing active labels.

[Jean-Yves Avenard [:jya]]

Pull request: https://github.com/WebKit/WebKit/pull/17096

[EWS]

Committed 267314@main (f005b556a611): <https://commits.webkit.org/267314@main>

Reviewed commits have been landed. Closing PR #17096 and removing active labels.