NEW 182888
Crash in: com.apple.WebCore: WebCore::InspectorInstrumentation::instrumentingAgentsForFrame + 21 
https://bugs.webkit.org/show_bug.cgi?id=182888
Summary Crash in: com.apple.WebCore: WebCore::InspectorInstrumentation::instrumenting...
Matt Lewis
Reported 2018-02-16 14:45:28 PST
The following layout test is flaky on macOS. storage/indexeddb/detached-iframe.html There doesn't seem to be a clear regression point, however sometimes there is what looks to be a truncated backtrace on the crash Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=storage%2Findexeddb%2Fdetached-iframe.html https://build.webkit.org/results/Apple%20High%20Sierra%20Debug%20WK1%20(Tests)/r228565%20(2428)/results.html https://build.webkit.org/builders/Apple%20High%20Sierra%20Debug%20WK1%20(Tests)/builds/2428 backtrace: Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.WebCore 0x0000000116a49b6c WebCore::Frame::page() const + 12 (Frame.h:374) 1 com.apple.WebCore 0x0000000117fcf1e5 WebCore::InspectorInstrumentation::instrumentingAgentsForFrame(WebCore::Frame&) + 21 (InspectorInstrumentation.h:1412) 2 com.apple.WebCore 0x0000000118c80c36 WebCore::InspectorInstrumentation::didDispatchPostMessage(WebCore::Frame&, WebCore::TimerBase&) + 54 (InspectorInstrumentation.h:730) 3 com.apple.WebCore 0x0000000118c80937 WebCore::DOMWindow::postMessageTimerFired(WebCore::PostMessageTimer&) + 551 (DOMWindow.cpp:995) 4 com.apple.WebCore 0x0000000118c92b11 WebCore::PostMessageTimer::fired() + 353 (DOMWindow.cpp:176) 5 com.apple.WebCore 0x0000000118eb5bf4 WebCore::ThreadTimers::sharedTimerFiredInternal() + 452 (ThreadTimers.cpp:118) 6 com.apple.WebCore 0x0000000118ecbee1 WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0::operator()() const + 33 (ThreadTimers.cpp:70) 7 com.apple.WebCore 0x0000000118ecbe99 WTF::Function<void ()>::CallableWrapper<WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0>::call() + 25 (Function.h:101) 8 com.apple.WebCore 0x0000000116653bdb WTF::Function<void ()>::operator()() const + 139 (Function.h:56) 9 com.apple.WebCore 0x0000000118e8ec25 WebCore::MainThreadSharedTimer::fired() + 101 (MainThreadSharedTimer.cpp:55) 10 com.apple.WebCore 0x0000000118f31e79 WebCore::timerFired(__CFRunLoopTimer*, void*) + 41 (MainThreadSharedTimerCF.cpp:74) 11 com.apple.CoreFoundation 0x7fff2853c0a4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20 (~rc/Software/LoboChipmunkSeed/Projects/Foundation/Foundation-1450.16/CoreFoundation/RunLoop.subproj/CFRunLoop.c:1832) 12 com.apple.CoreFoundation 0x7fff2853bd24 __CFRunLoopDoTimer + 1108 (~rc/Software/LoboChipmunkSeed/Projects/Foundation/Foundation-1450.16/CoreFoundation/RunLoop.subproj/CFRunLoop.c:2415) 13 com.apple.CoreFoundation 0x7fff2853b81a __CFRunLoopDoTimers + 346 (~rc/Software/LoboChipmunkSeed/Projects/Foundation/Foundation-1450.16/CoreFoundation/RunLoop.subproj/CFRunLoop.c:2562) 14 com.apple.CoreFoundation 0x7fff28532feb __CFRunLoopRun + 2427 (~rc/Software/LoboChipmunkSeed/Projects/Foundation/Foundation-1450.16/CoreFoundation/RunLoop.subproj/CFRunLoop.c:3086) 15 com.apple.CoreFoundation 0x7fff285323d7 CFRunLoopRunSpecific + 487 (~rc/Software/LoboChipmunkSeed/Projects/Foundation/Foundation-1450.16/CoreFoundation/RunLoop.subproj/CFRunLoop.c:3245) 16 DumpRenderTree 0x000000010baca9fe runTest(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) + 7022 (DumpRenderTree.mm:1988) 17 DumpRenderTree 0x000000010bac8de3 runTestingServerLoop() + 403 (DumpRenderTree.mm:1156) 18 DumpRenderTree 0x000000010bac82f2 dumpRenderTree(int, char const**) + 402 (DumpRenderTree.mm:1254) 19 DumpRenderTree 0x000000010bacb43d DumpRenderTreeMain(int, char const**) + 125 (DumpRenderTree.mm:1369) 20 DumpRenderTree 0x000000010bb4a632 main + 34 (DumpRenderTreeMain.mm:34) 21 libdyld.dylib 0x00007fff4fed8115 start + 1
Attachments
Crash Log (100.10 KB, text/plain)
2018-02-16 14:47 PST, Matt Lewis 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Matt Lewis
Comment 1 2018-02-16 14:47:02 PST
Created attachment 334075 [details] Crash Log Adding crash log
Radar WebKit Bug Importer
Comment 2 2018-02-16 14:47:53 PST
<rdar://problem/37620352>
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