[Webkit-unassigned] [Bug 156788] New: Crash when opening the inspector

Wed Apr 20 02:10:19 PDT 2016

https://bugs.webkit.org/show_bug.cgi?id=156788

            Bug ID: 156788
           Summary: Crash when opening the inspector
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Keywords: Regression
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cgarcia at igalia.com
                CC: bugs-noreply at webkitgtk.org, sbarati at apple.com,
                    utatane.tea at gmail.com

It seems related to the profiler:

Program received signal SIGSEGV, Segmentation fault.
0x00007f04a6558830 in JSC::ExecState::vm() const () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
(gdb) bt
#0  0x00007f04a6558830 in JSC::ExecState::vm() const () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#1  0x00007f04a4b8cda6 in JSC::JSObject::calculatedClassName(JSC::JSObject*) () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#2  0x00007f04a4c7fea1 in JSC::Structure::toStructureShape(JSC::JSValue) () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#3  0x00007f04a4c97dc1 in JSC::TypeProfilerLog::processLogEntries(WTF::String const&) () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#4  0x00007f04a493348e in JSC::JIT::privateCompile(JSC::JITCompilationEffort) () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#5  0x00007f04a47260a4 in JSC::JIT::compile(JSC::VM*, JSC::CodeBlock*, JSC::JITCompilationEffort) ()
   from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#6  0x00007f04a49a9d3d in JSC::LLInt::jitCompileAndSetHeuristics(JSC::CodeBlock*, JSC::ExecState*) ()
   from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#7  0x00007f04a499dbbb in llint_replace () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#8  0x00007f04a49af505 in llint_entry () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#9  0x00007f04a49b1988 in llint_entry () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#10 0x00007f04a49b1988 in llint_entry () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#11 0x00007f04a49b1988 in llint_entry () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#12 0x00007f04a49abb2e in vmEntryToJavaScript () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#13 0x00007f04a49488d2 in JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#14 0x00007f04a490c069 in JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) ()
   from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#15 0x00007f04a4a97f84 in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) ()
   from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#16 0x00007f04a4a97f99 in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) ()
   from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#17 0x00007f04a4a981d9 in JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#18 0x00007f04a65dd8d5 in WebCore::ScheduledAction::executeFunctionInContext(JSC::JSGlobalObject*, JSC::JSValue, WebCore::ScriptExecutionContext&) ()
   from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#19 0x00007f04a65ddcad in WebCore::ScheduledAction::execute(WebCore::Document&) () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#20 0x00007f04a6be4d8d in WebCore::DOMTimer::fired() () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#21 0x00007f04a6cddcda in WebCore::ThreadTimers::sharedTimerFiredInternal() () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#22 0x00007f04a4d6240a in WTF::RunLoop::TimerBase::TimerBase(WTF::RunLoop&)::{lambda(void*)#1}::_FUN(void*) ()
   from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#23 0x00007f049ffa1b8a in g_main_dispatch (context=0x1349880) at gmain.c:3154
#24 g_main_context_dispatch (context=context at entry=0x1349880) at gmain.c:3769
#25 0x00007f049ffa1f08 in g_main_context_iterate (context=0x1349880, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3840
#26 0x00007f049ffa2222 in g_main_loop_run (loop=0x1cfc9e0) at gmain.c:4034
#27 0x00007f04a4d627b0 in WTF::RunLoop::run() () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#28 0x00007f04a63669d2 in int WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain>(int, char**) ()
   from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#29 0x00007f049b0f2610 in __libc_start_main (main=0x400af0 <main>, argc=2, argv=0x7ffd37864f58, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, 
    stack_end=0x7ffd37864f48) at libc-start.c:291
#30 0x0000000000400b49 in _start ()

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