Bug 275179 – REGRESSION(279738@main): ASSERTION FAILED: heap.vm().currentThreadIsHoldingAPILock() || heap.worldIsStopped()

• Status: RESOLVED
• Resolution: FIXED
• Component: JavaScriptCore

[Fujii Hironori]

After 279738@main, Debug layout tests are randomly crashing due to an assertion failure.

https://build.webkit.org/results/Apple-Sonoma-Debug-WK1-Tests/279738@main%20(1873)/inspector/memory/tracking-stderr.txt

ASSERTION FAILED: heap.vm().currentThreadIsHoldingAPILock() || heap.worldIsStopped()
./heap/BlockDirectory.cpp(498) : void JSC::BlockDirectory::assertIsMutatorOrMutatorIsStopped() const

[Keith Miller]

I think this is fixed in 279749@main

*** This bug has been marked as a duplicate of bug 275173 ***

[Fujii Hironori]

Still crashing. Reopened.

https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Finspector%2Fworker%2Fblob-script-with-cross-domain-imported-scripts.html&style=debug

Buildbot: builder Apple-Ventura-Debug-WK2-Tests build 4831 : 279750@main
https://build.webkit.org/#/builders/701/builds/4831
https://build.webkit.org/results/Apple-Ventura-Debug-WK2-Tests/279750@main%20(4831)/results.html

https://build.webkit.org/results/Apple-Ventura-Debug-WK2-Tests/279750@main%20(4831)/imported/w3c/web-platform-tests/wasm/jsapi/constructor/instantiate.any.worker-crash-log.txt

ASSERTION FAILED: heap.vm().currentThreadIsHoldingAPILock() || heap.worldIsStopped()
./heap/BlockDirectory.cpp(498) : void JSC::BlockDirectory::assertIsMutatorOrMutatorIsStopped() const
com.apple.WebKit.WebContent.Development terminated (pid 36103) for reason: crash
LEAK: 1 WebPageProxy

[Radar WebKit Bug Importer]

<rdar://problem/129313337>

[Keith Miller]

Pull request: https://github.com/WebKit/WebKit/pull/29567

[EWS]

Committed 279764@main (c562438ba0b2): <https://commits.webkit.org/279764@main>

Reviewed commits have been landed. Closing PR #29567 and removing active labels.