[Webkit-unassigned] [Bug 16920] Crash inside garbage collector with simple code

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jan 17 22:38:03 PST 2008


http://bugs.webkit.org/show_bug.cgi?id=16920





------- Comment #1 from cam at mcc.id.au  2008-01-17 22:38 PDT -------
Backtrack from bdash:

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000000b0812fd0
Crashed Thread:  0

Thread 0 Crashed:
0   com.apple.JavaScriptCore              0x002d7df3
KJS::JSCallbackObject<KJS::JSGlobalObject>::~JSCallbackObject() + 57
(JSCallbackObjectFunctions.h:86)
1   com.apple.JavaScriptCore              0x002d7e63
KJS::JSCallbackObject<KJS::JSGlobalObject>::~JSCallbackObject() + 17
(JSCallbackObjectFunctions.h:90)
2   com.apple.JavaScriptCore              0x002a6f70 unsigned long
KJS::Collector::sweep<(KJS::Collector::HeapType)0>(bool) + 760
(collector.cpp:883)
3   com.apple.JavaScriptCore              0x00277dee KJS::Collector::collect()
+ 382 (collector.cpp:963)
4   com.apple.JavaScriptCore              0x002d17b8 JSGarbageCollect + 34
(JSBase.cpp:83)
5   test                                  0x00001fba doIt + 192
6   test                                  0x00001fe2 main + 20
7   test                                  0x00001ece start + 54

And one from me, on Windows:

>        myapp.exe!KJS::JSCallbackObject<KJS::JSGlobalObject>::~JSCallbackObject<KJS::JSGlobalObject>()  Line 105 + 0x7 bytes        C++
         myapp.exe!KJS::JSCallbackObject<KJS::JSGlobalObject>::`scalar deleting
destructor'()  + 0xf bytes        C++
         myapp.exe!KJS::Collector::sweep<0>(bool
currentThreadIsMainThread=false)  Line 883        C++
         myapp.exe!KJS::Collector::collect()  Line 963 + 0x9 bytes        C++
         myapp.exe!JSGarbageCollect(const OpaqueJSContext *
__formal=0x00000000)  Line 87        C++
         myapp.exe!myfunction(void * pUserData=0x020d734c, void *
pDocument=0x020cfdf8, void * * ppDocumentUserData=0x020d16e4)  Line 271 + 0x7
bytes        C


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