230207 2021-09-12 21:15:01 -0700 StackTrace outputs a garbage prefix because WTF::StackTrace::m_prefix is filled with the stack content 2021-09-14 13:10:35 -0700 1 1 1 Unclassified WebKit Web Template Framework WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=230208 InRadar P2 Normal --- 226390 1 fujii fujii benjamin cdumez cmarcelo ews-watchlist hi mark.lam webkit-bug-importer ysuzuki oldest_to_newest 1792841 0 fujii 2021-09-12 21:15:01 -0700 StackTrace outputs a garbage prefix because WTF::StackTrace::m_prefix is filled with the stack content r278474 (Bug 226390) added a new member m_prefix to StackTrace at the bottom of the structure. However, StackTrace isn't a normal structure. the members are filled with the stack content. 1792843 1 fujii 2021-09-12 21:17:20 -0700 In WinCairo, it outputs the garbage prefix like the following: PS C:\home\webkit\gc> .\WebKitBuild\Debug\bin64\WebKitTestRunner.exe LayoutTests/js/dom/transform-stream.html ERROR: 000001F52DC4CE10 - ResourceLoadStatisticsDatabaseStore::turnOnIncrementalAutoVacuum failed, error message: not an error C:\home\webkit\gc\Source\WebKit\NetworkProcess/Classifier/ResourceLoadStatisticsDatabaseStore.cpp(315) : WebKit::ResourceLoadStatisticsDatabaseStore::ResourceLoadStatisticsDatabaseStore ERROR: Unchecked JS exception: This scope can throw a JS exception: JSC::JSObject::get @ C:\home\webkit\gc\WebKitBuild\Debug\JavaScriptCore\PrivateHeaders\JavaScriptCore\JSObject.h:1504 (ExceptionScope::m_recursionDepth was 13) But the exception was unchecked as of this scope: WebCore::invokeWritableStreamFunction @ C:\home\webkit\gc\Source\WebCore\bindings/js/InternalWritableStream.cpp:42 (ExceptionScope::m_recursionDepth was 13) Unchecked exception detected at: H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 1 00007FFC1110464F JSC::VM::verifyExceptionCheckNeedIsSatisfied H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 2 00007FFC110D8924 JSC::ThrowScope::ThrowScope H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 3 00007FFBEE14D4EB WebCore::invokeWritableStreamFunction H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 4 00007FFBEE14C6E1 WebCore::InternalWritableStream::create H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 5 00007FFBEDF0733C WebCore::WritableStream::create H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 6 00007FFBEDF07207 WebCore::WritableStream::create H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 7 00007FFBEDAF98B6 WebCore::JSDOMConstructor<WebCore::JSWritableStream>::construct H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 8 00007FFC108BBB6F JSC::NativeFunction::operator() H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 9 00007FFC108BBBBC JSC::TaggedNativeFunction::operator() H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 10 00007FFC1095567B JSC::LLInt::handleHostCall H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 11 00007FFC1096BC4A JSC::LLInt::setUpCall H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 12 00007FFC109616D6 JSC::LLInt::genericCall<JSC::OpConstruct> H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 13 00007FFC1094DBAF llint_slow_path_construct H<D$pHĀX_^AIIIIIIIIIIIIIIIIH%LWHēPH<D$`H< 14 00007FFC0F88C4C6 llint_entry ASSERTION FAILED: !m_needExceptionCheck C:\home\webkit\gc\Source\JavaScriptCore\runtime/VM.cpp(1490) : JSC::VM::verifyExceptionCheckNeedIsSatisfied 1 00007FFC3CCA1DEB WTFCrash 2 00007FFC0F88FFBE WTFCrashWithInfo 3 00007FFC11104790 JSC::VM::verifyExceptionCheckNeedIsSatisfied 4 00007FFC110D8924 JSC::ThrowScope::ThrowScope 5 00007FFBEE14D4EB WebCore::invokeWritableStreamFunction 6 00007FFBEE14C6E1 WebCore::InternalWritableStream::create 7 00007FFBEDF0733C WebCore::WritableStream::create 8 00007FFBEDF07207 WebCore::WritableStream::create 9 00007FFBEDAF98B6 WebCore::JSDOMConstructor<WebCore::JSWritableStream>::construct 10 00007FFC108BBB6F JSC::NativeFunction::operator() 11 00007FFC108BBBBC JSC::TaggedNativeFunction::operator() 12 00007FFC1095567B JSC::LLInt::handleHostCall 13 00007FFC1096BC4A JSC::LLInt::setUpCall 14 00007FFC109616D6 JSC::LLInt::genericCall<JSC::OpConstruct> 15 00007FFC1094DBAF llint_slow_path_construct 16 00007FFC0F88C4C6 llint_entry ERROR: 000001D9626D94D0 - [PID=17864] WebProcessProxy::didClose (web process crash) C:\home\webkit\gc\Source\WebKit\UIProcess/WebProcessProxy.cpp(910) : WebKit::WebProcessProxy::didClose ERROR: 000001D9626D94D0 - [PID=17864] WebProcessProxy::processDidTerminateOrFailedToLaunch: reason=4 C:\home\webkit\gc\Source\WebKit\UIProcess/WebProcessProxy.cpp(918) : WebKit::WebProcessProxy::processDidTerminateOrFailedToLaunch ERROR: 000001D9626A6D60 - [pageProxyID=9, webPageID=10, PID=17864] WebPageProxy::processDidTerminate: (pid 17864), reason 4 C:\home\webkit\gc\Source\WebKit\UIProcess/WebPageProxy.cpp(7705) : WebKit::WebPageProxy::resetStateAfterProcessTermination ERROR: 000001D9626A6D60 - [pageProxyID=9, webPageID=10, PID=17864] WebPageProxy::dispatchProcessDidTerminate: reason=4 C:\home\webkit\gc\Source\WebKit\UIProcess/WebPageProxy.cpp(7760) : WebKit::WebPageProxy::dispatchProcessDidTerminate WebProcess terminated (pid 17864) because the process crashed #CRASHED - WebProcess (pid 17864) LEAK: 1 WebProcessPool LEAK: 1 WebPageProxy PS C:\home\webkit\gc> 1792844 2 438008 fujii 2021-09-12 21:19:49 -0700 Created attachment 438008 Patch 1792850 3 438011 fujii 2021-09-12 21:30:21 -0700 Created attachment 438011 Patch 1792874 4 fujii 2021-09-13 01:02:51 -0700 Mac EWS failed. Fixing this bug reveals Bug 230208 for Mac port. 1793189 5 438099 fujii 2021-09-13 21:10:42 -0700 Created attachment 438099 Patch 1793389 6 fujii 2021-09-14 12:53:39 -0700 r282351 fixed Bug 230208. I resubmitted the patch to EWS. It reports all green now. 1793393 7 438099 ysuzuki 2021-09-14 12:55:14 -0700 Comment on attachment 438099 Patch r=me 1793397 8 438099 mark.lam 2021-09-14 13:04:11 -0700 Comment on attachment 438099 Patch Nice catch. 1793401 9 438099 fujii 2021-09-14 13:09:15 -0700 Comment on attachment 438099 Patch Clearing flags on attachment: 438099 Committed r282405 (241666@main): <https://commits.webkit.org/241666@main> 1793402 10 fujii 2021-09-14 13:09:20 -0700 All reviewed patches have been landed. Closing bug. 1793404 11 webkit-bug-importer 2021-09-14 13:10:35 -0700 <rdar://problem/83113555> 438008 2021-09-12 21:19:49 -0700 2021-09-12 21:36:30 -0700 Patch bug-230207-20210913131948.patch text/plain 1647 fujii U3VidmVyc2lvbiBSZXZpc2lvbjogMjgyMzE4CmRpZmYgLS1naXQgYS9Tb3VyY2UvV1RGL0NoYW5n ZUxvZyBiL1NvdXJjZS9XVEYvQ2hhbmdlTG9nCmluZGV4IGRjMDJmZDZhNThjY2I4MmEzNmJhZDE1 OGYwZTFiMTQ3NDk2ZTRkYjguLmVlNzE2MDEwM2I4ZjZmNDI3NzdkMWI2ODMyYjM0NjljMmEwZmUx MzggMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XVEYvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9XVEYvQ2hh bmdlTG9nCkBAIC0xLDMgKzEsMTYgQEAKKzIwMjEtMDktMTIgIEZ1amlpIEhpcm9ub3JpICA8SGly b25vcmkuRnVqaWlAc29ueS5jb20+CisKKyAgICAgICAgU3RhY2tUcmFjZSBvdXRwdXRzIGEgZ2Fy YmFnZSBwcmVmaXggYmVjYXVzZSBXVEY6OlN0YWNrVHJhY2U6Om1fcHJlZml4IGlzIGZpbGxlZCB3 aXRoIHRoZSBzdGFjayBjb250ZW50CisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3No b3dfYnVnLmNnaT9pZD0yMzAyMDcKKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMh KS4KKworICAgICAgICByMjc4NDc0IChCdWcgMjI2MzkwKSBhZGRlZCBhIG5ldyBtZW1iZXIgbV9w 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