[Webkit-unassigned] [Bug 169042] New: REGRESSION: Assertion failed: (!"initialized()"), function operator() in com.apple.JavaScriptCore: std::optional<unsigned int>::operator* const + 46
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Mar 1 10:02:58 PST 2017
https://bugs.webkit.org/show_bug.cgi?id=169042
Bug ID: 169042
Summary: REGRESSION: Assertion failed: (!"initialized()"),
function operator() in com.apple.JavaScriptCore:
std::optional<unsigned int>::operator* const + 46
Classification: Unclassified
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: New Bugs
Assignee: webkit-unassigned at lists.webkit.org
Reporter: ryanhaddad at apple.com
Thread 19 Crashed:: WTF::AutomaticThread
0 libsystem_kernel.dylib 0x00007fff84e6df06 __pthread_kill + 10
1 libsystem_pthread.dylib 0x00007fff83f7b4ec pthread_kill + 90
2 libsystem_c.dylib 0x00007fff903366df abort + 129
3 libsystem_c.dylib 0x00007fff902fddd8 __assert_rtn + 321
4 com.apple.JavaScriptCore 0x0000000105e3a41e std::optional<unsigned int>::operator*() const::'lambda'()::operator()() const + 46
5 com.apple.JavaScriptCore 0x0000000105e3a3b1 std::optional<unsigned int>::operator*() const + 65 (Optional.h:595)
6 com.apple.JavaScriptCore 0x0000000105e3a31f bool std::operator==<unsigned int>(std::optional<unsigned int> const&, unsigned int const&) + 47 (Optional.h:863)
7 com.apple.JavaScriptCore 0x0000000105e3a2e0 JSC::JSLock::currentThreadIsHoldingLock() + 48 (JSLock.h:97)
8 com.apple.JavaScriptCore 0x0000000105e3a284 JSC::VM::currentThreadIsHoldingAPILock() const + 36 (VM.h:629)
9 com.apple.JavaScriptCore 0x0000000105e39dde JSC::JSCell::classInfo(JSC::VM&) const + 62 (JSCellInlines.h:283)
10 com.apple.JavaScriptCore 0x0000000106fd0845 JSC::validate(JSC::JSCell*) + 181 (SlotVisitor.cpp:61)
11 com.apple.JavaScriptCore 0x0000000106fd06aa JSC::SlotVisitor::setMarkedAndAppendToMarkStack(JSC::JSCell*) + 138 (SlotVisitor.cpp:256)
12 com.apple.JavaScriptCore 0x0000000106fd0615 JSC::SlotVisitor::appendUnbarriered(JSC::JSValue) + 181 (SlotVisitor.cpp:234)
13 com.apple.JavaScriptCore 0x0000000105e4e985 JSC::SlotVisitor::appendUnbarriered(JSC::JSCell*) + 53 (SlotVisitorInlines.h:43)
14 com.apple.JavaScriptCore 0x00000001070056f0 void JSC::SlotVisitor::append<JSC::PropertyTable>(JSC::WriteBarrierBase<JSC::PropertyTable> const&) + 48 (SlotVisitorInlines.h:55)
15 com.apple.JavaScriptCore 0x0000000106ffe468 JSC::Structure::visitChildren(JSC::JSCell*, JSC::SlotVisitor&) + 552 (Structure.cpp:1095)
16 com.apple.JavaScriptCore 0x0000000106fd37f4 JSC::SlotVisitor::visitChildren(JSC::JSCell const*) + 292 (SlotVisitor.cpp:400)
17 com.apple.JavaScriptCore 0x0000000106fd2e0e JSC::SlotVisitor::drain(WTF::MonotonicTime)::$_3::operator()(JSC::MarkStackArray&) const + 206 (SlotVisitor.cpp:494)
18 com.apple.JavaScriptCore 0x0000000106fd0f51 JSC::IterationStatus JSC::SlotVisitor::forEachMarkStack<JSC::SlotVisitor::drain(WTF::MonotonicTime)::$_3>(JSC::SlotVisitor::drain(WTF::MonotonicTime)::$_3 const&) + 33 (SlotVisitorInlines.h:116)
19 com.apple.JavaScriptCore 0x0000000106fd0edb JSC::SlotVisitor::drain(WTF::MonotonicTime) + 187 (SlotVisitor.cpp:485)
20 com.apple.JavaScriptCore 0x0000000106fd1a21 JSC::SlotVisitor::drainFromShared(JSC::SlotVisitor::SharedDrainMode, WTF::MonotonicTime) + 1153 (SlotVisitor.cpp:665)
21 com.apple.JavaScriptCore 0x00000001069eb610 JSC::Heap::runBeginPhase(JSC::GCConductor)::$_11::operator()() const + 1056 (Heap.cpp:1152)
22 com.apple.JavaScriptCore 0x00000001069eb1bc WTF::SharedTaskFunctor<void (), JSC::Heap::runBeginPhase(JSC::GCConductor)::$_11>::run() + 28 (SharedTask.h:90)
23 com.apple.JavaScriptCore 0x0000000107394390 WTF::ParallelHelperClient::runTask(WTF::RefPtr<WTF::SharedTask<void ()> >) + 176 (ParallelHelperPool.cpp:115)
24 com.apple.JavaScriptCore 0x00000001073953b2 WTF::ParallelHelperPool::Thread::work() + 66 (ParallelHelperPool.cpp:194)
25 com.apple.JavaScriptCore 0x000000010735b6ee WTF::AutomaticThread::start(WTF::AbstractLocker const&)::$_0::operator()() const + 606 (AutomaticThread.cpp:215)
26 com.apple.JavaScriptCore 0x000000010735b47d void std::__1::__invoke_void_return_wrapper<void>::__call<WTF::AutomaticThread::start(WTF::AbstractLocker const&)::$_0&>(WTF::AutomaticThread::start(WTF::AbstractLocker const&)::$_0&&&) + 45 (__functional_base:441)
27 com.apple.JavaScriptCore 0x000000010735b26c std::__1::__function::__func<WTF::AutomaticThread::start(WTF::AbstractLocker const&)::$_0, std::__1::allocator<WTF::AutomaticThread::start(WTF::AbstractLocker const&)::$_0>, void ()>::operator()() + 44 (functional:1407)
28 com.apple.JavaScriptCore 0x000000010677b67a std::__1::function<void ()>::operator()() const + 26 (functional:1793)
29 com.apple.JavaScriptCore 0x00000001073cc60e WTF::threadEntryPoint(void*) + 158 (Threading.cpp:92)
30 com.apple.JavaScriptCore 0x00000001073ce2c1 WTF::wtfThreadEntryPoint(void*) + 289 (ThreadingPthreads.cpp:168)
31 libsystem_pthread.dylib 0x00007fff83f7899d _pthread_body + 131
32 libsystem_pthread.dylib 0x00007fff83f7891a _pthread_start + 168
33 libsystem_pthread.dylib 0x00007fff83f76351 thread_start + 13
Seen here with imported/w3c/web-platform-tests/dom/nodes/Document-constructor.html and imported/w3c/web-platform-tests/streams/readable-streams/bad-underlying-sources.dedicatedworker.html
https://build.webkit.org/results/Apple%20El%20Capitan%20Debug%20WK2%20(Tests)/r213221%20(11340)/results.html
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