[Webkit-unassigned] [Bug 82383] Crash Firing Signals Through QtWebKit Bridge

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=82383





--- Comment #2 from Ryan Cumming <rcumming at ea.com>  2012-03-28 08:53:58 PST ---
Relevant Valgrind output on Ubuntu 12.04 32bit with the stock Ubuntu libqtwebkit-2.2.1-1ubuntu4 package. Nothing unusual happens before:
==1944== Invalid read of size 4
==1944==    at 0xB82259F: ???
==1944==    by 0x5292868: JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) (in /usr/lib/i386-linux-gnu/libQtWebKit.so.4.9.0)
==1944==    by 0x52B09F1: JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) (in /usr/lib/i386-linux-gnu/libQtWebKit.so.4.9.0)
==1944==    by 0x49F7973: JSC::Bindings::QtConnectionObject::execute(void**) (in /usr/lib/i386-linux-gnu/libQtWebKit.so.4.9.0)
==1944==    by 0x49F81F1: JSC::Bindings::QtConnectionObject::qt_metacall(QMetaObject::Call, int, void**) (in /usr/lib/i386-linux-gnu/libQtWebKit.so.4.9.0)
==1944==    by 0xF95ECCF: ???
==1944==  Address 0xffffffc0 is not stack'd, malloc'd or (recently) free'd
==1944== 
==1944== 
==1944== Process terminating with default action of signal 11 (SIGSEGV)
==1944==  Access not within mapped region at address 0xFFFFFFC0
==1944==    at 0xB82259F: ???
==1944==    by 0x5292868: JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) (in /usr/lib/i386-linux-gnu/libQtWebKit.so.4.9.0)
==1944==    by 0x52B09F1: JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) (in /usr/lib/i386-linux-gnu/libQtWebKit.so.4.9.0)
==1944==    by 0x49F7973: JSC::Bindings::QtConnectionObject::execute(void**) (in /usr/lib/i386-linux-gnu/libQtWebKit.so.4.9.0)
==1944==    by 0x49F81F1: JSC::Bindings::QtConnectionObject::qt_metacall(QMetaObject::Call, int, void**) (in /usr/lib/i386-linux-gnu/libQtWebKit.so.4.9.0)
==1944==    by 0xF95ECCF: ???

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