NEW291236
[MacOS Debug] ASSERTION FAILED: isHeld(): void WTF::Lock::assertIsOwner() const in http/tests/pdf/page-in-window-update-with-linearized-pdf-in-display-none-iframe.html (flaky in EWS) 
https://bugs.webkit.org/show_bug.cgi?id=291236
Summary [MacOS Debug] ASSERTION FAILED: isHeld(): void WTF::Lock::assertIsOwner() con...
Marta Darbinyan
Reported 2025-04-07 16:10:29 PDT
The following test is flaky crash in EWS in MacOS Debug queue. http/tests/pdf/page-in-window-update-with-linearized-pdf-in-display-none-iframe.html stderr: ASSERTION FAILED: isHeld() /Volumes/Data/worker/macOS-Sequoia-Debug-Build-EWS/build/WebKitBuild/Debug/usr/local/include/wtf/Lock.h(129) : void WTF::Lock::assertIsOwner() const 1 0x1187ba684 WTF::Lock::assertIsOwner() const 2 0x1187ba610 WebKit::PDFPluginBase::streamedBytesForDebugLogging() const 3 0x1187bcd38 WebKit::PDFPluginBase::incrementalLoaderLog(WTF::String const&) 4 0x1187b1b04 WebKit::PDFIncrementalLoader::incrementalLoaderLog(WTF::String const&)::$_0::operator()() const 5 0x1187b197c WTF::Detail::CallableWrapper<WebKit::PDFIncrementalLoader::incrementalLoaderLog(WTF::String const&)::$_0, void>::call() 6 0x12b68abf0 WTF::Function<void ()>::operator()() const 7 0x12b757ba0 WTF::RunLoop::performWork() 8 0x12b75bf9c WTF::RunLoop::performWork(void*) 9 0x19280c8a4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 10 0x19280c838 __CFRunLoopDoSource0 11 0x19280c59c __CFRunLoopDoSources0 12 0x19280b138 __CFRunLoopRun 13 0x19280a734 CFRunLoopRunSpecific 14 0x1939db518 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] 15 0x193a52e74 -[NSRunLoop(NSRunLoop) run] 16 0x19243d62c _xpc_objc_main 17 0x19244d754 _xpc_main 18 0x19243d1c8 _xpc_copy_xpcservice_dictionary 19 0x1171fa200 WebKit::XPCServiceMain(int, char const**) 20 0x11a06dafc WKXPCServiceMain 21 0x10026ff90 main 22 0x1923a4274 start com.apple.WebKit.WebContent.Development terminated (pid 3257) for reason: crash History: https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Fpdf%2Fpage-in-window-update-with-linearized-pdf-in-display-none-iframe.html&style=debug Test result: https://ews-build.webkit.org/#/builders/122/builds/18805
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Radar WebKit Bug Importer
Comment 1 2025-04-07 16:10:56 PDT
<rdar://problem/148778826>
EWS
Comment 2 2025-04-07 16:35:39 PDT
Test gardening commit 293388@main (12a0c17e0411): <https://commits.webkit.org/293388@main> Reviewed commits have been landed. Closing PR #43775 and removing active labels.
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