[Webkit-unassigned] [Bug 78710] [Gtk] Segmentation fault in JSC::FunctionExecutable::discardCode()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=78710





--- Comment #5 from Jean Louis <une.belette at gmail.com>  2012-02-16 05:14:34 PST ---
Hi,

I have installed debug version of libwebkit, I have a better trace for you : 


Program received signal SIGSEGV, Segmentation fault.
JSC::CodeBlock::clearEvalCache (this=0xe1a03000)
    at Source/JavaScriptCore/bytecode/CodeBlock.cpp:2078
2078        if (!!m_alternative)
(gdb) bt
#0  JSC::CodeBlock::clearEvalCache (this=0xe1a03000)
    at Source/JavaScriptCore/bytecode/CodeBlock.cpp:2078
#1  0x42164f14 in JSC::CodeBlock::clearEvalCache (this=0x422a630c)
    at Source/JavaScriptCore/bytecode/CodeBlock.cpp:2079
#2  0x4227e550 in clearCode (this=0x4237a4e0)
    at Source/JavaScriptCore/runtime/Executable.cpp:684
#3  JSC::FunctionExecutable::discardCode (this=0x4237a4e0)
    at Source/JavaScriptCore/runtime/Executable.cpp:673
#4  0x42294f78 in operator() (this=<value optimized out>)
    at Source/JavaScriptCore/runtime/JSGlobalData.cpp:86
#5  forEachCell<<unnamed>::Recompiler> (this=<value optimized out>)
    at Source/JavaScriptCore/heap/MarkedBlock.h:319
#6  forEachCell<<unnamed>::Recompiler> (this=<value optimized out>)
    at Source/JavaScriptCore/heap/AllocationSpace.h:89
#7  forEachCell<<unnamed>::Recompiler> (this=<value optimized out>)
    at Source/JavaScriptCore/heap/AllocationSpace.h:96
#8  JSC::JSGlobalData::recompileAllJSFunctions (this=<value optimized out>)
    at Source/JavaScriptCore/runtime/JSGlobalData.cpp:453
#9  0x421918ac in JSC::Heap::collectAllGarbage (this=0x43abe6f8)
    at Source/JavaScriptCore/heap/Heap.cpp:763
#10 0x40c96280 in WebCore::collect ()
    at Source/WebCore/bindings/js/GCController.cpp:42
#11 0x40c96408 in WebCore::Timer<WebCore::GCController>::fired (
---Type <return> to continue, or q <return> to quit---
    this=<value optimized out>) at Source/WebCore/platform/Timer.h:100
#12 0x411f986c in WebCore::ThreadTimers::sharedTimerFiredInternal (this=
    0x43a9c150) at Source/WebCore/platform/ThreadTimers.cpp:115
#13 0x419960c0 in WebCore::timeout_cb ()
    at Source/WebCore/platform/gtk/SharedTimerGtk.cpp:49
#14 0x4082d984 in g_timeout_dispatch (source=0x2fd808, callback=
    0x419960a8 <WebCore::timeout_cb(gpointer)>,
    user_data=<value optimized out>) at gmain.c:3907
#15 0x4082c98c in g_main_dispatch (context=0xd9070) at gmain.c:2441
#16 g_main_context_dispatch (context=0xd9070) at gmain.c:3011
#17 0x4082cce8 in g_main_context_iterate (context=0xd9070,
    block=<value optimized out>, dispatch=1, self=<value optimized out>)
    at gmain.c:3089
#18 0x4082d368 in g_main_loop_run (loop=0x10eb18) at gmain.c:3297
#19 0x401ccc8c in IA__gtk_main () at gtkmain.c:1256
#20 0x000248d8 in main ()

Hope that helps !

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