[Webkit-unassigned] [Bug 180373] New: Web Inspector: Crashes seen under Inspector::ScriptCallFrame::~ScriptCallFrame

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=180373

            Bug ID: 180373
           Summary: Web Inspector: Crashes seen under
                    Inspector::ScriptCallFrame::~ScriptCallFrame
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Keywords: InRadar
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: joepeck at webkit.org
                CC: inspector-bugzilla-changes at group.apple.com

Crashes seen under ScriptCallFrame::~ScriptCallFrame:

>    Responsible:           Safari Technology Preview [9088]
>    OS Version:            Mac OS X 10.12.6 (16G29)
>    Crashed Thread:        0  Dispatch queue: com.apple.main-thread
>
>    Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
>    Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000008
>    Exception Note:        EXC_CORPSE_NOTIFY
>
>    Termination Signal:    Segmentation fault: 11
>    Termination Reason:    Namespace SIGNAL, Code 0xb
>    Terminating Process:   exc handler [0]
>
>
>    Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
>    0   com.apple.JavaScriptCore      	0x0000000111bfa5f9 Inspector::ScriptCallFrame::~ScriptCallFrame() + 9
>    1   com.apple.JavaScriptCore      	0x0000000111bfaaa8 Inspector::ScriptCallStack::~ScriptCallStack() + 40
>    2   com.apple.JavaScriptCore      	0x00000001114c463b Inspector::AsyncStackTrace::~AsyncStackTrace() + 139
>    3   com.apple.JavaScriptCore      	0x00000001114c4848 Inspector::AsyncStackTrace::truncate(unsigned long) + 424
>    4   com.apple.JavaScriptCore      	0x0000000111946f68 Inspector::InspectorDebuggerAgent::willDispatchAsyncCall(int, int) + 136
>    5   com.apple.WebCore             	0x000000010f241fad WebCore::InspectorInstrumentation::willFireTimerImpl(WebCore::InstrumentingAgents&, int, WebCore::ScriptExecutionContext&) + 125
>    6   com.apple.WebCore             	0x000000010eb76e7f WebCore::DOMTimer::fired() + 927
>    7   com.apple.WebCore             	0x000000010eaa7100 WebCore::ThreadTimers::sharedTimerFiredInternal() + 176
>    8   com.apple.WebCore             	0x000000010eaa703f WebCore::timerFired(__CFRunLoopTimer*, void*) + 31
>    9   com.apple.CoreFoundation      	0x00007fff96592c54 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20
>    10  com.apple.CoreFoundation      	0x00007fff965928df __CFRunLoopDoTimer + 1071
>    11  com.apple.CoreFoundation      	0x00007fff9659243a __CFRunLoopDoTimers + 298
>    12  com.apple.CoreFoundation      	0x00007fff96589b81 __CFRunLoopRun + 2065
>    13  com.apple.CoreFoundation      	0x00007fff96589114 CFRunLoopRunSpecific + 420
>    14  com.apple.HIToolbox           	0x00007fff95ae9ebc RunCurrentEventLoopInMode + 240
>    15  com.apple.HIToolbox           	0x00007fff95ae9cf1 ReceiveNextEventCommon + 432
>    16  com.apple.HIToolbox           	0x00007fff95ae9b26 _BlockUntilNextEventMatchingListInModeWithFilter + 71
>    17  com.apple.AppKit              	0x00007fff94082a54 _DPSNextEvent + 1120
>    18  com.apple.AppKit              	0x00007fff947fe7ee -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 2796
>    19  com.apple.AppKit              	0x00007fff940773db -[NSApplication run] + 926
>    20  com.apple.AppKit              	0x00007fff94041e0e NSApplicationMain + 1237
>    21  libxpc.dylib                  	0x00007fffabf628c7 _xpc_objc_main + 775
>    22  libxpc.dylib                  	0x00007fffabf612e4 xpc_main + 494
>    23  com.apple.WebKit.WebContent   	0x10df0b695 main + 492
>    24  libdyld.dylib                 	0x00007fffabd09235 start + 1

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