275179 2024-06-05 13:07:49 -0700 REGRESSION(279738@main): ASSERTION FAILED: heap.vm().currentThreadIsHoldingAPILock() || heap.worldIsStopped() 2024-06-05 19:26:53 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 fujii keith_miller keith_miller webkit-bug-importer oldest_to_newest 2039930 0 fujii 2024-06-05 13:07:49 -0700 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 2039934 1 keith_miller 2024-06-05 13:10:14 -0700 I think this is fixed in 279749@main *** This bug has been marked as a duplicate of bug 275173 *** 2039985 2 fujii 2024-06-05 17:24:43 -0700 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 2039993 3 webkit-bug-importer 2024-06-05 18:17:12 -0700 <rdar://problem/129313337> 2040000 4 keith_miller 2024-06-05 19:18:54 -0700 Pull request: https://github.com/WebKit/WebKit/pull/29567 2040001 5 ews-feeder 2024-06-05 19:26:51 -0700 Committed 279764@main (c562438ba0b2): <https://commits.webkit.org/279764@main> Reviewed commits have been landed. Closing PR #29567 and removing active labels.