[Webkit-unassigned] [Bug 139548] New: fast/workers/worker-constructor.html frequently crashes

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Dec 11 11:57:14 PST 2014 

https://bugs.webkit.org/show_bug.cgi?id=139548

            Bug ID: 139548
           Summary: fast/workers/worker-constructor.html frequently
                    crashes
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Keywords: LayoutTestFailure, MakingBotsRed
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ap at webkit.org
                CC: msaboff at apple.com

fast/workers/worker-constructor.html crashes every time on 10.8 and 10.9 release bots. 

This started to happen in <http://trac.webkit.org/log/?verbose=on&rev=177149&stop_rev=177144>, although the test used to crash in the same way before that (quite rarely).

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore          0x000000010f1b3126 JSC::CodeBlock::handlerForBytecodeOffset(unsigned int) + 6 (RefCountedArray.h:124)
1   com.apple.JavaScriptCore          0x000000010f41002f JSC::UnwindFunctor::operator()(JSC::StackVisitor&) + 111 (Interpreter.cpp:649)
2   com.apple.JavaScriptCore          0x000000010f40cd8b JSC::Interpreter::unwind(void*&, JSC::ExecState*&, JSC::JSValue&) + 587 (StackVisitor.h:127)
3   com.apple.JavaScriptCore          0x000000010f42b2db JSC::genericUnwind(JSC::VM*, JSC::ExecState*, JSC::JSValue) + 91 (JITExceptions.cpp:52)
4   com.apple.JavaScriptCore          0x000000010f44f105 lookupExceptionHandlerFromCallerFrame + 85 (Interpreter.h:197)
5   ???                               0x00003b1d5220aa88 0 + 64997117962888
6   com.apple.JavaScriptCore          0x000000010f51d4b8 vmEntryToJavaScript + 326
7   com.apple.JavaScriptCore          0x000000010f4299d9 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 169 (VM.h:378)
8   com.apple.JavaScriptCore          0x000000010f40f039 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 489 (Interpreter.cpp:978)
9   com.apple.JavaScriptCore          0x000000010f1a013e JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 62 (CallData.cpp:39)
10  com.apple.JavaScriptCore          0x000000010f4a890d JSC::JSObject::defaultValue(JSC::JSObject const*, JSC::ExecState*, JSC::PreferredPrimitiveType) + 525 (Register.h:116)
11  com.apple.JavaScriptCore          0x000000010f47ca0c JSC::JSValue::toStringSlowCase(JSC::ExecState*) const + 732 (JSCJSValue.cpp:369)
12  com.apple.WebCore                 0x00000001117651a4 WebCore::constructJSWorker(JSC::ExecState*) + 132 (JSString.h:667)
13  com.apple.JavaScriptCore          0x000000010f44f6fd JSC::handleHostCall(JSC::ExecState*, JSC::JSValue, JSC::CodeSpecializationKind) + 189 (JITOperations.cpp:667)
14  com.apple.JavaScriptCore          0x000000010f44f965 linkFor + 101 (JITOperations.cpp:690)
15  ???                               0x00003b1d5220a2c4 0 + 64997117960900
16  ???                               0x00003b1d5220a97f 0 + 64997117962623
17  com.apple.JavaScriptCore          0x000000010f51d4b8 vmEntryToJavaScript + 326
18  com.apple.JavaScriptCore          0x000000010f4299d9 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 169 (VM.h:378)
19  com.apple.JavaScriptCore          0x000000010f40f039 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 489 (Interpreter.cpp:978)
20  com.apple.JavaScriptCore          0x000000010f1a013e JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 62 (CallData.cpp:39)
21  com.apple.JavaScriptCore          0x000000010f4a890d JSC::JSObject::defaultValue(JSC::JSObject const*, JSC::ExecState*, JSC::PreferredPrimitiveType) + 525 (Register.h:116)
22  com.apple.JavaScriptCore          0x000000010f47ca0c JSC::JSValue::toStringSlowCase(JSC::ExecState*) const + 732 (JSCJSValue.cpp:369)
23  com.apple.WebCore                 0x00000001117651a4 WebCore::constructJSWorker(JSC::ExecState*) + 132 (JSString.h:667)
24  com.apple.JavaScriptCore          0x000000010f44f6fd JSC::handleHostCall(JSC::ExecState*, JSC::JSValue, JSC::CodeSpecializationKind) + 189 (JITOperations.cpp:667)
25  com.apple.JavaScriptCore          0x000000010f44f965 linkFor + 101 (JITOperations.cpp:690)
26  ???                               0x00003b1d5220a2c4 0 + 64997117960900
27  ???                               0x00003b1d5220a97f 0 + 64997117962623
28  com.apple.JavaScriptCore          0x000000010f51d4b8 vmEntryToJavaScript + 326
29  com.apple.JavaScriptCore          0x000000010f4299d9 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 169 (VM.h:378)
30  com.apple.JavaScriptCore          0x000000010f40f039 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 489 (Interpreter.cpp:978)
31  com.apple.JavaScriptCore          0x000000010f1a013e JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 62 (CallData.cpp:39)
32  com.apple.JavaScriptCore          0x000000010f4a890d JSC::JSObject::defaultValue(JSC::JSObject const*, JSC::ExecState*, JSC::PreferredPrimitiveType) + 525 (Register.h:116)
33  com.apple.JavaScriptCore          0x000000010f47ca0c JSC::JSValue::toStringSlowCase(JSC::ExecState*) const + 732 (JSCJSValue.cpp:369)
34  com.apple.WebCore                 0x00000001117651a4 WebCore::constructJSWorker(JSC::ExecState*) + 132 (JSString.h:667)
35  com.apple.JavaScriptCore          0x000000010f44f6fd JSC::handleHostCall(JSC::ExecState*, JSC::JSValue, JSC::CodeSpecializationKind) + 189 (JITOperations.cpp:667)
36  com.apple.JavaScriptCore          0x000000010f44f965 linkFor + 101 (JITOperations.cpp:690)
37  ???                               0x00003b1d5220a2c4 0 + 64997117960900
38  ???                               0x00003b1d5220a97f 0 + 64997117962623
39  com.apple.JavaScriptCore          0x000000010f51d4b8 vmEntryToJavaScript + 326
40  com.apple.JavaScriptCore          0x000000010f4299d9 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 169 (VM.h:378)
41  com.apple.JavaScriptCore          0x000000010f40f039 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 489 (Interpreter.cpp:978)
42  com.apple.JavaScriptCore          0x000000010f1a013e JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 62 (CallData.cpp:39)
...

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