Bug 162536

Summary: REGRESSION (r206221): [USER] com.apple.WebKit.WebContent.Development at com.apple.JavaScriptCore: vmEntryToJavaScript + 299
Product: WebKit Reporter: Chris Dumez <cdumez>
Component: JavaScriptCoreAssignee: Chris Dumez <cdumez>
Status: RESOLVED FIXED    
Severity: Normal CC: barraclough, commit-queue, fpizlo, ggaren, keith_miller, mark.lam, msaboff, saam, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on:    
Bug Blocks: 162311    
Attachments:
Description Flags
Patch none

Description Chris Dumez 2016-09-24 22:54:47 PDT 
REGRESSION (r206221): [USER] com.apple.WebKit.WebContent.Development at com.apple.JavaScriptCore: vmEntryToJavaScript + 299:
* BACKTRACE ('>' indicates stack frame used for CrashTracer aggregation)

   1 ???                            0000000000 0 + 0
   2 ???                            0000000000 0 + 0
   3 com.apple.JavaScriptCore       0x0087a797 llint_entry + 24793
   4 com.apple.JavaScriptCore       0x0087a797 llint_entry + 24793
   5 ???                            0000000000 0 + 0
   6 ???                            0000000000 0 + 0
   7 ???                            0000000000 0 + 0
   8 ???                            0000000000 0 + 0
>  9 com.apple.JavaScriptCore       0x008744db vmEntryToJavaScript + 299
  10 com.apple.JavaScriptCore       0x00736aee JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 190
  11 com.apple.JavaScriptCore       0x0003a396 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 470
  12 com.apple.JavaScriptCore       0x0035d20f JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) + 159
  13 com.apple.WebCore              0x00ea06ac WebCore::ScheduledAction::executeFunctionInContext(JSC::JSGlobalObject*, JSC::JSValue, WebCore::ScriptExecutionContext&) + 588
  14 com.apple.WebCore              0x00ea02c6 WebCore::ScheduledAction::execute(WebCore::Document&) + 134
  15 com.apple.WebCore              0x001318c7 WebCore::DOMTimer::fired() + 679
  16 com.apple.WebCore              0x000129d0 WebCore::ThreadTimers::sharedTimerFiredInternal() + 176
  17 com.apple.WebCore              0x0001290f WebCore::timerFired(__CFRunLoopTimer*, void*) + 31
  18 com.apple.CoreFoundation       0x00090e14 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20 (/Library/Caches/com.apple.xbs/Sources/CF/CF-1348.1/RunLoop.subproj/CFRunLoop.c:1810)
  19 com.apple.CoreFoundation       0x00090a9f __CFRunLoopDoTimer + 1071 (/Library/Caches/com.apple.xbs/Sources/CF/CF-1348.1/RunLoop.subproj/CFRunLoop.c:2349)
  20 com.apple.CoreFoundation       0x000905fa __CFRunLoopDoTimers + 298 (/Library/Caches/com.apple.xbs/Sources/CF/CF-1348.1/RunLoop.subproj/CFRunLoop.c:2488)
  21 com.apple.CoreFoundation       0x00088021 __CFRunLoopRun + 2065 (/Library/Caches/com.apple.xbs/Sources/CF/CF-1348.1/RunLoop.subproj/CFRunLoop.c:2984)
  22 com.apple.CoreFoundation       0x000875b4 CFRunLoopRunSpecific + 420 (/Library/Caches/com.apple.xbs/Sources/CF/CF-1348.1/RunLoop.subproj/CFRunLoop.c:3113)
  23 com.apple.HIToolbox            0x000307fc RunCurrentEventLoopInMode + 240 (Events/EventsCore/EventLoop.c:440)
  24 com.apple.HIToolbox            0x00030631 ReceiveNextEventCommon + 432 (/BuildRoot/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.Internal.sdk/usr/include/dispatch/once.h:77)
  25 com.apple.HIToolbox            0x00030466 _BlockUntilNextEventMatchingListInModeWithFilter + 71 (Events/EventsCore/EventBlocking.c:161)
  26 com.apple.AppKit               0x00046c2d _DPSNextEvent + 1093
  27 com.apple.AppKit               0x007b9db0 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 2730
  28 com.apple.AppKit               0x0003b5cd -[NSApplication run] + 926
  29 com.apple.AppKit               0x00005f1d NSApplicationMain + 1237
  30 libxpc.dylib                   0x000108b3 _xpc_objc_main + 775 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/libxpc/libxpc-972.20.3/src/main.m:162)
  31 libxpc.dylib                   0x0000f2d0 xpc_main + 494 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/libxpc/libxpc-972.20.3/src/init.c:1447)
  32 com.apple.WebKit.WebContent    0x000017a2  + 0
  33 libdyld.dylib                  0x00005255 start + 1
Comment 1 Chris Dumez 2016-09-24 22:55:02 PDT 
<rdar://problem/28415971>
Comment 2 Chris Dumez 2016-09-24 23:01:41 PDT 
Created attachment 289773 [details]
Patch
Comment 3 Chris Dumez 2016-09-24 23:39:24 PDT 
Comment on attachment 289773 [details]
Patch

Clearing flags on attachment: 289773

Committed r206359: <http://trac.webkit.org/changeset/206359>
Comment 4 Chris Dumez 2016-09-24 23:39:32 PDT 
All reviewed patches have been landed.  Closing bug.