Bug 90680 – TwitchTV URL crashes Safari Web Content process

• Status: RESOLVED
• Resolution: WORKSFORME
• Component: JavaScriptCore

[Chris Adamson]

Loading the URL http://www.twitch.tv/annzac/b/323850794 causes several reloads, a message that "Safari cannot load this page", and a crashlog from Safari Web Content (below). Page loads as expected in Safari 5.1.7.

Process:         WebProcess [625]
Path:            /Applications/WebKit.app/Contents/Frameworks/10.7/WebKit2.framework/WebProcess.app/Contents/MacOS/WebProcess
Identifier:      com.apple.WebProcess
Version:         537+ (537.1+)
Code Type:       X86-64 (Native)
Parent Process:  Safari [441]

Date/Time:       2012-07-06 09:20:33.350 -0400
OS Version:      Mac OS X 10.7.4 (11E53)
Report Version:  9

Interval Since Last Report:          108881 sec
Crashes Since Last Report:           28
Per-App Interval Since Last Report:  356042 sec
Per-App Crashes Since Last Report:   26
Anonymous UUID:                      026974FF-7963-4A59-A8BE-E2876ECC9885

Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: 0x000000000000000d, 0x0000000000000000

VM Regions Near 0:
--> 
    __TEXT                 00000001012db000-00000001012dc000 [    4K] r-x/rwx SM=COW  /Applications/WebKit.app/Contents/Frameworks/10.7/WebKit2.framework/WebProcess.app/Contents/MacOS/WebProcess

Application Specific Information:
objc[625]: garbage collection is OFF

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore      	0x0000000101788314 JSC::JSObject::put(JSC::JSCell*, JSC::ExecState*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&) + 388
1   com.apple.JavaScriptCore      	0x0000000101777e97 JSC::JSFunction::put(JSC::JSCell*, JSC::ExecState*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&) + 247
2   com.apple.JavaScriptCore      	0x0000000101760aec cti_op_put_by_val + 652
3   ???                           	0x00004b5c43001865 0 + 82859633154149
4   com.apple.JavaScriptCore      	0x00000001017204f1 JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::ScopeChainNode*, JSC::JSObject*) + 3137
5   com.apple.JavaScriptCore      	0x00000001016876b4 JSC::evaluate(JSC::ExecState*, JSC::ScopeChainNode*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*) + 372
6   com.apple.WebCore             	0x00000001023f6cc5 WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld*) + 485
7   com.apple.WebCore             	0x00000001023f6e19 WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&) + 41
8   com.apple.WebCore             	0x00000001023ff514 WebCore::ScriptElement::executeScript(WebCore::ScriptSourceCode const&) + 420
9   com.apple.WebCore             	0x0000000101df39a5 WebCore::HTMLScriptRunner::executePendingScriptAndDispatchEvent(WebCore::PendingScript&) + 213
10  com.apple.WebCore             	0x0000000101df38c0 WebCore::HTMLScriptRunner::executeParsingBlockingScript() + 208
11  com.apple.WebCore             	0x0000000101df4028 WebCore::HTMLScriptRunner::executeParsingBlockingScripts() + 24
12  com.apple.WebCore             	0x0000000101df4089 WebCore::HTMLScriptRunner::executeScriptsWaitingForLoad(WebCore::CachedResource*) + 9
13  com.apple.WebCore             	0x0000000101da8d94 WebCore::HTMLDocumentParser::notifyFinished(WebCore::CachedResource*) + 84
14  com.apple.WebCore             	0x0000000101a7a5ad WebCore::CachedResource::checkNotify() + 93
15  com.apple.WebCore             	0x00000001024b7e7f WebCore::SubresourceLoader::didFinishLoading(double) + 143
16  com.apple.Foundation          	0x00007fff84e8e63e ___NSURLConnectionDidFinishLoading_block_invoke_1 + 122
17  com.apple.Foundation          	0x00007fff84e8e5be _NSURLConnectionDidFinishLoading + 81
18  com.apple.CFNetwork           	0x00007fff8d9564fe URLConnectionClient::_clientDidFinishLoading(URLConnectionClient::ClientConnectionEventQueue*) + 296
19  com.apple.CFNetwork           	0x00007fff8da0691e URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent, XClientEventParams>*, long) + 862
20  com.apple.CFNetwork           	0x00007fff8d931389 URLConnectionClient::processEvents() + 185
21  com.apple.CFNetwork           	0x00007fff8d93122e MultiplexerSource::perform() + 212
22  com.apple.CoreFoundation      	0x00007fff89c4b4f1 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
23  com.apple.CoreFoundation      	0x00007fff89c4ad5d __CFRunLoopDoSources0 + 253
24  com.apple.CoreFoundation      	0x00007fff89c71b49 __CFRunLoopRun + 905
25  com.apple.CoreFoundation      	0x00007fff89c71486 CFRunLoopRunSpecific + 230
26  com.apple.HIToolbox           	0x00007fff8f7404d3 RunCurrentEventLoopInMode + 277
27  com.apple.HIToolbox           	0x00007fff8f747781 ReceiveNextEventCommon + 355
28  com.apple.HIToolbox           	0x00007fff8f74760e BlockUntilNextEventMatchingListInMode + 62
29  com.apple.AppKit              	0x00007fff861c7e31 _DPSNextEvent + 659
30  com.apple.AppKit              	0x00007fff861c7735 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 135
31  com.apple.AppKit              	0x00007fff861c4071 -[NSApplication run] + 470
32  com.apple.WebCore             	0x00000001023ed403 WebCore::RunLoop::run() + 67
33  com.apple.WebKit2             	0x00000001013fc65c WebKit::WebProcessMain(WebKit::CommandLine const&) + 2586
34  com.apple.WebKit2             	0x00000001013aebbb WebKitMain + 285
35  com.apple.WebProcess          	0x00000001012dbe5e main + 214
36  com.apple.WebProcess          	0x00000001012dbd80 start + 52

Thread 1:
0   libsystem_kernel.dylib        	0x00007fff84441192 __workq_kernreturn + 10
1   libsystem_c.dylib             	0x00007fff8bb25594 _pthread_wqthread + 758
2   libsystem_c.dylib             	0x00007fff8bb26b85 start_wqthread + 13

Thread 2:: Dispatch queue: com.apple.libdispatch-manager
0   libsystem_kernel.dylib        	0x00007fff844417e6 kevent + 10
1   libdispatch.dylib             	0x00007fff84c2d78a _dispatch_mgr_invoke + 923
2   libdispatch.dylib             	0x00007fff84c2c31a _dispatch_mgr_thread + 54

Thread 3:
0   libsystem_kernel.dylib        	0x00007fff84441192 __workq_kernreturn + 10
1   libsystem_c.dylib             	0x00007fff8bb25594 _pthread_wqthread + 758
2   libsystem_c.dylib             	0x00007fff8bb26b85 start_wqthread + 13

Thread 4:
0   libsystem_kernel.dylib        	0x00007fff84441192 __workq_kernreturn + 10
1   libsystem_c.dylib             	0x00007fff8bb25594 _pthread_wqthread + 758
2   libsystem_c.dylib             	0x00007fff8bb26b85 start_wqthread + 13

Thread 5:: com.apple.NSURLConnectionLoader
0   libsystem_kernel.dylib        	0x00007fff8443f67a mach_msg_trap + 10
1   libsystem_kernel.dylib        	0x00007fff8443ed71 mach_msg + 73
2   com.apple.CoreFoundation      	0x00007fff89c6950c __CFRunLoopServiceMachPort + 188
3   com.apple.CoreFoundation      	0x00007fff89c71c74 __CFRunLoopRun + 1204
4   com.apple.CoreFoundation      	0x00007fff89c71486 CFRunLoopRunSpecific + 230
5   com.apple.Foundation          	0x00007fff84e8bfd7 +[NSURLConnection(NSURLConnectionReallyInternal) _resourceLoadLoop:] + 335
6   com.apple.Foundation          	0x00007fff84e8072a -[NSThread main] + 68
7   com.apple.Foundation          	0x00007fff84e806a2 __NSThread__main__ + 1575
8   libsystem_c.dylib             	0x00007fff8bb238bf _pthread_start + 335
9   libsystem_c.dylib             	0x00007fff8bb26b75 thread_start + 13

Thread 6:: com.apple.CFSocket.private
0   libsystem_kernel.dylib        	0x00007fff84440df2 __select + 10
1   com.apple.CoreFoundation      	0x00007fff89cbac8b __CFSocketManager + 1355
2   libsystem_c.dylib             	0x00007fff8bb238bf _pthread_start + 335
3   libsystem_c.dylib             	0x00007fff8bb26b75 thread_start + 13

Thread 7:: JavaScriptCore::BlockFree
0   libsystem_kernel.dylib        	0x00007fff84440bca __psynch_cvwait + 10
1   libsystem_c.dylib             	0x00007fff8bb27274 _pthread_cond_wait + 840
2   com.apple.JavaScriptCore      	0x00000001018bf5f6 WTF::ThreadCondition::timedWait(WTF::Mutex&, double) + 118
3   com.apple.JavaScriptCore      	0x0000000101889c74 JSC::BlockAllocator::blockFreeingThreadMain() + 100
4   com.apple.JavaScriptCore      	0x00000001018bf00f _ZN3WTFL19wtfThreadEntryPointEPv + 15
5   libsystem_c.dylib             	0x00007fff8bb238bf _pthread_start + 335
6   libsystem_c.dylib             	0x00007fff8bb26b75 thread_start + 13

Thread 8:: JavaScriptCore::Marking
0   libsystem_kernel.dylib        	0x00007fff84440bca __psynch_cvwait + 10
1   libsystem_c.dylib             	0x00007fff8bb27274 _pthread_cond_wait + 840
2   com.apple.JavaScriptCore      	0x00000001017c0714 JSC::SlotVisitor::drainFromShared(JSC::SlotVisitor::SharedDrainMode) + 388
3   com.apple.JavaScriptCore      	0x00000001017c0502 JSC::MarkStackThreadSharedData::markingThreadMain(JSC::SlotVisitor*) + 34
4   com.apple.JavaScriptCore      	0x00000001018bf00f _ZN3WTFL19wtfThreadEntryPointEPv + 15
5   libsystem_c.dylib             	0x00007fff8bb238bf _pthread_start + 335
6   libsystem_c.dylib             	0x00007fff8bb26b75 thread_start + 13

Thread 9:: JavaScriptCore::Marking
0   libsystem_kernel.dylib        	0x00007fff84440bca __psynch_cvwait + 10
1   libsystem_c.dylib             	0x00007fff8bb27274 _pthread_cond_wait + 840
2   com.apple.JavaScriptCore      	0x00000001017c0714 JSC::SlotVisitor::drainFromShared(JSC::SlotVisitor::SharedDrainMode) + 388
3   com.apple.JavaScriptCore      	0x00000001017c0502 JSC::MarkStackThreadSharedData::markingThreadMain(JSC::SlotVisitor*) + 34
4   com.apple.JavaScriptCore      	0x00000001018bf00f _ZN3WTFL19wtfThreadEntryPointEPv + 15
5   libsystem_c.dylib             	0x00007fff8bb238bf _pthread_start + 335
6   libsystem_c.dylib             	0x00007fff8bb26b75 thread_start + 13

Thread 10:: JavaScriptCore::Marking
0   libsystem_kernel.dylib        	0x00007fff84440bca __psynch_cvwait + 10
1   libsystem_c.dylib             	0x00007fff8bb27274 _pthread_cond_wait + 840
2   com.apple.JavaScriptCore      	0x00000001017c0714 JSC::SlotVisitor::drainFromShared(JSC::SlotVisitor::SharedDrainMode) + 388
3   com.apple.JavaScriptCore      	0x00000001017c0502 JSC::MarkStackThreadSharedData::markingThreadMain(JSC::SlotVisitor*) + 34
4   com.apple.JavaScriptCore      	0x00000001018bf00f _ZN3WTFL19wtfThreadEntryPointEPv + 15
5   libsystem_c.dylib             	0x00007fff8bb238bf _pthread_start + 335
6   libsystem_c.dylib             	0x00007fff8bb26b75 thread_start + 13

Thread 11:: JavaScriptCore::Marking
0   libsystem_kernel.dylib        	0x00007fff84440bca __psynch_cvwait + 10
1   libsystem_c.dylib             	0x00007fff8bb27274 _pthread_cond_wait + 840
2   com.apple.JavaScriptCore      	0x00000001017c0714 JSC::SlotVisitor::drainFromShared(JSC::SlotVisitor::SharedDrainMode) + 388
3   com.apple.JavaScriptCore      	0x00000001017c0502 JSC::MarkStackThreadSharedData::markingThreadMain(JSC::SlotVisitor*) + 34
4   com.apple.JavaScriptCore      	0x00000001018bf00f _ZN3WTFL19wtfThreadEntryPointEPv + 15
5   libsystem_c.dylib             	0x00007fff8bb238bf _pthread_start + 335
6   libsystem_c.dylib             	0x00007fff8bb26b75 thread_start + 13

Thread 12:: JavaScriptCore::Marking
0   libsystem_kernel.dylib        	0x00007fff84440bca __psynch_cvwait + 10
1   libsystem_c.dylib             	0x00007fff8bb27274 _pthread_cond_wait + 840
2   com.apple.JavaScriptCore      	0x00000001017c0714 JSC::SlotVisitor::drainFromShared(JSC::SlotVisitor::SharedDrainMode) + 388
3   com.apple.JavaScriptCore      	0x00000001017c0502 JSC::MarkStackThreadSharedData::markingThreadMain(JSC::SlotVisitor*) + 34
4   com.apple.JavaScriptCore      	0x00000001018bf00f _ZN3WTFL19wtfThreadEntryPointEPv + 15
5   libsystem_c.dylib             	0x00007fff8bb238bf _pthread_start + 335
6   libsystem_c.dylib             	0x00007fff8bb26b75 thread_start + 13

Thread 13:: JavaScriptCore::Marking
0   libsystem_kernel.dylib        	0x00007fff84440bca __psynch_cvwait + 10
1   libsystem_c.dylib             	0x00007fff8bb27274 _pthread_cond_wait + 840
2   com.apple.JavaScriptCore      	0x00000001017c0714 JSC::SlotVisitor::drainFromShared(JSC::SlotVisitor::SharedDrainMode) + 388
3   com.apple.JavaScriptCore      	0x00000001017c0502 JSC::MarkStackThreadSharedData::markingThreadMain(JSC::SlotVisitor*) + 34
4   com.apple.JavaScriptCore      	0x00000001018bf00f _ZN3WTFL19wtfThreadEntryPointEPv + 15
5   libsystem_c.dylib             	0x00007fff8bb238bf _pthread_start + 335
6   libsystem_c.dylib             	0x00007fff8bb26b75 thread_start + 13

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x4920ec8348535449  rbx: 0x0000000102afe090  rcx: 0x0000000102afe090  rdx: 0x00000001076d71c0
  rdi: 0x0000000106dc76c0  rsi: 0x0000000106520100  rbp: 0x00007fff60ed7470  rsp: 0x00007fff60ed7380
   r8: 0x00007fff60ed7510   r9: 0x0000000107784640  r10: 0x0000000107783008  r11: 0x0000000101760860
  r12: 0x0000000106dc76c0  r13: 0x00000001076d71c0  r14: 0x00000001033ef000  r15: 0x0000000106dc76c0
  rip: 0x0000000101788314  rfl: 0x0000000000010202  cr2: 0x0000000101fa2a60
Logical CPU: 0

Binary Images:
       0x1012db000 -        0x1012dbfff  com.apple.WebProcess (537+ - 537.1+) <75229C6F-75A7-3EF5-A42F-6A66ACEE716C> /Applications/WebKit.app/Contents/Frameworks/10.7/WebKit2.framework/WebProcess.app/Contents/MacOS/WebProcess
       0x1012e3000 -        0x1012e3fff +WebProcessShim.dylib (537.1.0 - compatibility 1.0.0) <EB234439-B64A-34B8-A1FB-A29BF428CDBE> /Applications/WebKit.app/Contents/Frameworks/10.7/WebKit2.framework/WebProcess.app/Contents/MacOS/WebProcessShim.dylib
       0x101315000 -        0x1014eefff  com.apple.WebKit2 (537+ - 537.1+) <55B3E87F-A21D-3464-86BF-CEEE2ECDBF5F> /Applications/WebKit.app/Contents/Frameworks/10.7/WebKit2.framework/WebKit2
       0x10164c000 -        0x101926ff7  com.apple.JavaScriptCore (537+ - 537.1+) <F60B5460-750E-39EE-97FA-E623CAEF55E4> /Applications/WebKit.app/Contents/Frameworks/10.7/JavaScriptCore.framework/Versions/A/JavaScriptCore
       0x1019f3000 -        0x102a11ff7  com.apple.WebCore (537+ - 537.1+) <09608BC9-E102-343B-97CF-6F69070F79E8> /Applications/WebKit.app/Contents/Frameworks/10.7/WebCore.framework/Versions/A/WebCore
       0x1047bd000 -        0x104941ff7  com.apple.WebKit (r121935 - 537.1+) <122E9FA2-0C78-31F8-8AFA-750FBB50217F> /Applications/WebKit.app/Contents/Frameworks/10.7/WebKit.framework/Versions/A/WebKit
    0x7fff60edb000 -     0x7fff60f0fbaf  dyld (195.6 - ???) <0CD1B35B-A28F-32DA-B72E-452EAD609613> /usr/lib/dyld
    0x7fff83dfb000 -     0x7fff83e02ff7  com.apple.CommerceCore (1.0 - 17) <3894FE48-EDCE-30E9-9796-E2F959D92704> /System/Library/PrivateFrameworks/CommerceKit.framework/Versions/A/Frameworks/CommerceCore.framework/Versions/A/CommerceCore
    0x7fff83e03000 -     0x7fff8411ffff  com.apple.CoreServices.CarbonCore (960.24 - 960.24) <6F99A26B-788F-37B9-860F-508906EC06D7> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
    0x7fff84120000 -     0x7fff84123fff  libRadiance.dylib (??? - ???) <CD89D70D-F177-3BAE-8A26-644EA7D5E28E> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libRadiance.dylib
    0x7fff84124000 -     0x7fff8419afff  com.apple.ISSupport (1.9.8 - 56) <2BEEF162-893F-356C-BD4E-8668F044A917> /System/Library/PrivateFrameworks/ISSupport.framework/Versions/A/ISSupport
    0x7fff842e0000 -     0x7fff842f4ff7  com.apple.LangAnalysis (1.7.0 - 1.7.0) <04C31EF0-912A-3004-A08F-CEC27030E0B2> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
    0x7fff842f5000 -     0x7fff842f6fff  libDiagnosticMessagesClient.dylib (??? - ???) <3DCF577B-F126-302B-BCE2-4DB9A95B8598> /usr/lib/libDiagnosticMessagesClient.dylib
    0x7fff842f7000 -     0x7fff8430aff7  libCRFSuite.dylib (??? - ???) <0B76941F-218E-30C8-B6DE-E15919F8DBEB> /usr/lib/libCRFSuite.dylib
    0x7fff8430b000 -     0x7fff84333fff  libsandbox.1.dylib (??? - ???) <0D46379D-BCD1-3888-9ED7-513F79D3970A> /usr/lib/libsandbox.1.dylib
    0x7fff84334000 -     0x7fff843fbff7  com.apple.ColorSync (4.7.4 - 4.7.4) <590AFCDA-F10E-31FE-9B01-DA5FFE74C2BB> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSync.framework/Versions/A/ColorSync
    0x7fff843fc000 -     0x7fff84429ff7  com.apple.opencl (1.50.69 - 1.50.69) <57939F7D-3626-30E2-883D-8A7CCB3F8763> /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL
    0x7fff8442a000 -     0x7fff8444afff  libsystem_kernel.dylib (1699.26.8 - compatibility 1.0.0) <1DDC0B0F-DB2A-34D6-895D-E5B2B5618946> /usr/lib/system/libsystem_kernel.dylib
    0x7fff8447b000 -     0x7fff84480fff  libcompiler_rt.dylib (6.0.0 - compatibility 1.0.0) <98ECD5F6-E85C-32A5-98CD-8911230CB66A> /usr/lib/system/libcompiler_rt.dylib
    0x7fff84481000 -     0x7fff844f1fff  com.apple.datadetectorscore (3.0 - 179.4) <9C01D16F-75A9-3BDD-B91A-F0F32261A2E7> /System/Library/PrivateFrameworks/DataDetectorsCore.framework/Versions/A/DataDetectorsCore
    0x7fff844f2000 -     0x7fff84765fff  com.apple.CoreImage (7.98 - 1.0.1) <73485E4E-1407-3913-AB3C-B54986A3E01C> /System/Library/Frameworks/QuartzCore.framework/Versions/A/Frameworks/CoreImage.framework/Versions/A/CoreImage
    0x7fff84768000 -     0x7fff84779ff7  SyndicationUI (??? - ???) <4E1B17F1-7F88-324F-B7F5-CEB760310B2B> /System/Library/PrivateFrameworks/SyndicationUI.framework/Versions/A/SyndicationUI
    0x7fff8477a000 -     0x7fff8477cfff  libquarantine.dylib (36.6.0 - compatibility 1.0.0) <0EBF714B-4B69-3E1F-9A7D-6BBC2AACB310> /usr/lib/system/libquarantine.dylib
    0x7fff8477d000 -     0x7fff84799ff7  com.apple.GenerationalStorage (1.0 - 126.1) <509F52ED-E54B-3FEF-B3C2-759387B826E6> /System/Library/PrivateFrameworks/GenerationalStorage.framework/Versions/A/GenerationalStorage
    0x7fff8479a000 -     0x7fff848d0fff  com.apple.vImage (5.1 - 5.1) <A08B7582-67BC-3EED-813A-4833645964A7> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
    0x7fff84c2a000 -     0x7fff84c38fff  libdispatch.dylib (187.9.0 - compatibility 1.0.0) <1D5BE322-A9B9-3BCE-8FAC-076FB07CF54A> /usr/lib/system/libdispatch.dylib
    0x7fff84c39000 -     0x7fff84c61fff  com.apple.PerformanceAnalysis (1.11 - 11) <8D4C6382-DD92-37A2-BCFC-E89951320848> /System/Library/PrivateFrameworks/PerformanceAnalysis.framework/Versions/A/PerformanceAnalysis
    0x7fff84c67000 -     0x7fff84c6efff  com.apple.NetFS (4.0 - 4.0) <433EEE54-E383-3505-9154-45B909FD3AF0> /System/Library/Frameworks/NetFS.framework/Versions/A/NetFS
    0x7fff84c6f000 -     0x7fff84c98ff7  com.apple.framework.Apple80211 (7.2.1 - 721.3) <4BA49D6F-373B-3F4E-A2B3-453C2ED66318> /System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Apple80211
    0x7fff84c99000 -     0x7fff84c9aff7  libsystem_blocks.dylib (53.0.0 - compatibility 1.0.0) <8BCA214A-8992-34B2-A8B9-B74DEACA1869> /usr/lib/system/libsystem_blocks.dylib
    0x7fff84c9b000 -     0x7fff84c9cfff  liblangid.dylib (??? - ???) <CACBE3C3-2F7B-3EED-B50E-EDB73F473B77> /usr/lib/liblangid.dylib
    0x7fff84c9d000 -     0x7fff84cc8ff7  libxslt.1.dylib (3.24.0 - compatibility 3.0.0) <E71220D3-8015-38EC-B97D-7FDB383C2BDC> /usr/lib/libxslt.1.dylib
    0x7fff84cc9000 -     0x7fff84ccbff7  com.apple.print.framework.Print (7.4 - 247.3) <626C58D5-2841-3329-8C32-9F4A8353F3E7> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framework/Versions/A/Print
    0x7fff84ccc000 -     0x7fff84e25fff  com.apple.audio.toolbox.AudioToolbox (1.7.2 - 1.7.2) <0AD8197C-1BA9-30CD-98F1-4CA2C6559BA8> /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
    0x7fff84e26000 -     0x7fff8513ffff  com.apple.Foundation (6.7.2 - 833.25) <22AAC369-B63C-3C55-8AC6-C3ECBA44DA7B> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
    0x7fff85141000 -     0x7fff85248fe7  libsqlite3.dylib (9.6.0 - compatibility 9.0.0) <EE02BB01-64C9-304D-9719-A35F5CD6D04C> /usr/lib/libsqlite3.dylib
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    0x7fff8e9d6000 -     0x7fff8ea7bfff  com.apple.ink.framework (1.4 - 110) <F93B76B3-E57C-3805-B20D-03717A3F91DD> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Ink.framework/Versions/A/Ink
    0x7fff8ea80000 -     0x7fff8ea92ff7  libz.1.dylib (1.2.5 - compatibility 1.0.0) <30CBEF15-4978-3DED-8629-7109880A19D4> /usr/lib/libz.1.dylib
    0x7fff8ea93000 -     0x7fff8eaa3ff7  com.apple.opengl (1.7.7 - 1.7.7) <0CA11278-746C-353A-923B-BCC0047190C3> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
    0x7fff8eaa4000 -     0x7fff8eaa4fff  com.apple.vecLib (3.7 - vecLib 3.7) <9A58105C-B36E-35B5-812C-4ED693F2618F> /System/Library/Frameworks/vecLib.framework/Versions/A/vecLib
    0x7fff8eb1c000 -     0x7fff8eb1cfff  com.apple.Cocoa (6.6 - ???) <7EC4D759-B2A6-3A99-AC75-809FED1500C6> /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa
    0x7fff8ec8a000 -     0x7fff8ed0fff7  com.apple.Heimdal (2.2 - 2.0) <FF0BD9A4-6FB0-31E3-ABFB-563FBBEC45FC> /System/Library/PrivateFrameworks/Heimdal.framework/Versions/A/Heimdal
    0x7fff8ed1d000 -     0x7fff8eda1ff7  com.apple.ApplicationServices.ATS (317.11.0 - ???) <082DEAFE-8A93-3AF2-B4E5-30012E725929> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
    0x7fff8eda2000 -     0x7fff8edacff7  liblaunch.dylib (392.38.0 - compatibility 1.0.0) <6ECB7F19-B384-32C1-8652-2463C1CF4815> /usr/lib/system/liblaunch.dylib
    0x7fff8ede8000 -     0x7fff8ee89ff7  com.apple.LaunchServices (480.33 - 480.33) <45EF2044-3396-3910-9B5B-C8F7777D5F56> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
    0x7fff8eecb000 -     0x7fff8eed2fff  libcopyfile.dylib (85.1.0 - compatibility 1.0.0) <0AB51EE2-E914-358C-AC19-47BC024BDAE7> /usr/lib/system/libcopyfile.dylib
    0x7fff8eed3000 -     0x7fff8ef09fff  com.apple.DebugSymbols (93 - 93) <C4093285-5AFE-36FA-900C-183192E0467B> /System/Library/PrivateFrameworks/DebugSymbols.framework/Versions/A/DebugSymbols
    0x7fff8ef44000 -     0x7fff8efacff7  com.apple.audio.CoreAudio (4.0.2 - 4.0.2) <DFD8F4DE-3B45-3A2E-9CBE-FD8D5DD30923> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
    0x7fff8efad000 -     0x7fff8efb0fff  libMatch.1.dylib (??? - ???) <42305BB6-25F9-355A-9076-FED38B21A7F9> /usr/lib/libMatch.1.dylib
    0x7fff8efb1000 -     0x7fff8f01afff  com.apple.coreui (1.2.2 - 165.10) <F427BF39-3E01-3DC6-A63D-BFC50FE6C72E> /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/CoreUI
    0x7fff8f01b000 -     0x7fff8f020fff  libpam.2.dylib (3.0.0 - compatibility 3.0.0) <D952F17B-200A-3A23-B9B2-7C1F7AC19189> /usr/lib/libpam.2.dylib
    0x7fff8f0b3000 -     0x7fff8f1ccfff  com.apple.DesktopServices (1.6.3 - 1.6.3) <20812ECE-CACC-3D44-8108-025EF6B45C14> /System/Library/PrivateFrameworks/DesktopServicesPriv.framework/Versions/A/DesktopServicesPriv
    0x7fff8f410000 -     0x7fff8f4a6ff7  libvMisc.dylib (325.4.0 - compatibility 1.0.0) <642D8D54-F9F5-3FBB-A96C-EEFE94C6278B> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
    0x7fff8f4dd000 -     0x7fff8f4e3fff  com.apple.DiskArbitration (2.4.1 - 2.4.1) <CEA34337-63DE-302E-81AA-10D717E1F699> /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
    0x7fff8f4e4000 -     0x7fff8f51ffff  libsystem_info.dylib (??? - ???) <35F90252-2AE1-32C5-8D34-782C614D9639> /usr/lib/system/libsystem_info.dylib
    0x7fff8f520000 -     0x7fff8f529ff7  libsystem_notify.dylib (80.1.0 - compatibility 1.0.0) <A4D651E3-D1C6-3934-AD49-7A104FD14596> /usr/lib/system/libsystem_notify.dylib
    0x7fff8f52a000 -     0x7fff8f530fff  libGFXShared.dylib (??? - ???) <8A61FA67-EB3C-319D-AE3C-64936FB26BAC> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.dylib
    0x7fff8f68a000 -     0x7fff8f699fff  libxar.1.dylib (??? - ???) <58B07AA0-BC12-36E3-94FC-C252719A1BDF> /usr/lib/libxar.1.dylib
    0x7fff8f6f1000 -     0x7fff8f73dff7  com.apple.SystemConfiguration (1.11.3 - 1.11) <0A7F1982-B4EA-3424-A0C7-FE46C6224F03> /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration
    0x7fff8f73e000 -     0x7fff8fa6aff7  com.apple.HIToolbox (1.9 - ???) <B7D2A06B-7BE5-3355-BF7D-8139100B9B97> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
    0x7fff8fa6b000 -     0x7fff8fb60fff  libiconv.2.dylib (7.0.0 - compatibility 7.0.0) <5C40E880-0706-378F-B864-3C2BD922D926> /usr/lib/libiconv.2.dylib
    0x7fff8fb61000 -     0x7fff9006aff7  com.apple.RawCamera.bundle (3.14.0 - 646) <75A96BFC-1832-808B-F430-C4C9379C5A98> /System/Library/CoreServices/RawCamera.bundle/Contents/MacOS/RawCamera
    0x7fff9006b000 -     0x7fff90070fff  libcache.dylib (47.0.0 - compatibility 1.0.0) <1571C3AB-BCB2-38CD-B3B2-C5FC3F927C6A> /usr/lib/system/libcache.dylib
    0x7fff90071000 -     0x7fff90080ff7  libxar-nossl.dylib (??? - ???) <A6ABBFB9-E4ED-38AD-BBBB-F9958B9CEFB5> /usr/lib/libxar-nossl.dylib
    0x7fff90081000 -     0x7fff900c3ff7  libcommonCrypto.dylib (55010.0.0 - compatibility 1.0.0) <BB770C22-8C57-365A-8716-4A3C36AE7BFB> /usr/lib/system/libcommonCrypto.dylib
    0x7fff900c4000 -     0x7fff90108ff7  libRIP.A.dylib (600.0.0 - compatibility 64.0.0) <22B2A10A-34B5-3787-88C9-B2722FE79504> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libRIP.A.dylib
    0x7fff901a5000 -     0x7fff901b2ff7  libbz2.1.0.dylib (1.0.5 - compatibility 1.0.0) <3373D310-3B10-3DD1-B754-B7B138CD448D> /usr/lib/libbz2.1.0.dylib
    0x7fff901b3000 -     0x7fff90207fff  libFontRegistry.dylib (??? - ???) <822DD341-C735-36C9-9521-E8E98807D09D> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontRegistry.dylib
    0x7fff90208000 -     0x7fff90249fff  com.apple.QD (3.40 - ???) <47674D2C-BE88-388E-B1B0-03F08BFFE5FD> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD
    0x7fff9024a000 -     0x7fff90267fff  libxpc.dylib (77.19.0 - compatibility 1.0.0) <9F57891B-D7EF-3050-BEDD-21E7C6668248> /usr/lib/system/libxpc.dylib
    0x7fff90369000 -     0x7fff90593fe7  com.apple.CoreData (104.1 - 358.14) <6BB64605-8DA7-337D-A2AB-A3346A421CBD> /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
    0x7fff90d29000 -     0x7fff90d2efff  libGIF.dylib (??? - ???) <8763F67F-A881-30B6-B20E-D395B4D9FD58> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libGIF.dylib
    0x7fff90d2f000 -     0x7fff90d64fff  com.apple.securityinterface (5.0 - 55022.4) <09EC371E-0B6E-3849-A6C9-F8E9DB17BBCD> /System/Library/Frameworks/SecurityInterface.framework/Versions/A/SecurityInterface
    0x7fff90d65000 -     0x7fff90da4fff  com.apple.AE (527.7 - 527.7) <B82F7ABC-AC8B-3507-B029-969DD5CA813D> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE
    0x7fff90da5000 -     0x7fff90e84ff7  com.apple.ImageIO.framework (3.1.2 - 3.1.2) <FFA7532B-336A-3F0B-9AB9-2A35B56ED887> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/ImageIO
    0x7fff90e85000 -     0x7fff90e87fff  com.apple.TrustEvaluationAgent (2.0 - 1) <1F31CAFF-C1C6-33D3-94E9-11B721761DDF> /System/Library/PrivateFrameworks/TrustEvaluationAgent.framework/Versions/A/TrustEvaluationAgent

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 3
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 2356
    thread_create: 1
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=186.0M resident=129.7M(70%) swapped_out_or_unallocated=56.3M(30%)
Writable regions: Total=1.1G written=13.7M(1%) resident=33.7M(3%) swapped_out=0K(0%) unallocated=1.1G(97%)
 
REGION TYPE                        VIRTUAL
===========                        =======
CG shared images                     2320K
CoreGraphics                           16K
CoreServices                         6380K
JS JIT generated code               128.0M
JS JIT generated code (reserved)    896.0M        reserved VM address space (unallocated)
JS VM register file                  4096K
JS garbage collector                  896K
MALLOC                               89.4M
MALLOC guard page                      48K
Memory tag=242                         12K
SQLite page cache                     288K
STACK GUARD                          56.1M
Stack                                14.2M
VM_ALLOCATE                          16.2M
__CI_BITMAP                            80K
__DATA                               16.4M
__IMAGE                               528K
__LINKEDIT                           57.6M
__RC_CAMERAS                          248K
__TEXT                              128.4M
__UNICODE                             544K
mapped file                          21.1M
shared memory                        3564K
===========                        =======
TOTAL                                 1.4G
TOTAL, minus reserved VM space      545.8M

Model: MacPro3,1, BootROM MP31.006C.B05, 8 processors, Quad-Core Intel Xeon, 2.8 GHz, 10 GB, SMC 1.25f4
Graphics: ATI Radeon HD 5770, ATI Radeon HD 5770, PCIe, 1024 MB
Memory Module: DIMM Riser B/DIMM 1, 2 GB, DDR2 FB-DIMM, 800 MHz, 0x0000, 0x000000463732353642363145353830304600
Memory Module: DIMM Riser B/DIMM 2, 2 GB, DDR2 FB-DIMM, 800 MHz, 0x0000, 0x000000463732353642363145353830304600
Memory Module: DIMM Riser A/DIMM 1, 1 GB, DDR2 FB-DIMM, 800 MHz, 0x80AD, 0x48594D5035313241373243503844332D5335
Memory Module: DIMM Riser A/DIMM 2, 1 GB, DDR2 FB-DIMM, 800 MHz, 0x80AD, 0x48594D5035313241373243503844332D5335
Memory Module: DIMM Riser A/DIMM 3, 2 GB, DDR2 FB-DIMM, 800 MHz, 0x80AD, 0x0000000000000000373243503844332D5336
Memory Module: DIMM Riser A/DIMM 4, 2 GB, DDR2 FB-DIMM, 800 MHz, 0x80AD, 0x0000000000000000373243503844332D5336
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x88), Broadcom BCM43xx 1.0 (5.10.131.36.15)
Bluetooth: Version 4.0.5f11, 2 service, 18 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Network Service: Ethernet 2, Ethernet, en1
PCI Card: ATI Radeon HD 5770, sppci_displaycontroller, Slot-1
PCI Card: ATI Radeon HD 5770, ATY,HoolockParent, Slot-1
Serial ATA Device: OWC Mercury EXTREME Pro SSD, 240.06 GB
Serial ATA Device: ST3500630AS, 500.11 GB
Serial ATA Device: WDC WD20EARX-00PASB0, 2 TB
Serial ATA Device: WDC WD3200AAJS-41VWA0, 320.07 GB
Parallel ATA Device: OPTIARC DVD RW AD-7170A
USB Device: hub_device, 0x0424  (SMSC), 0x2503, 0xfd400000 / 3
USB Device: KEYBOARD, 0x4320, 0x0302, 0xfd430000 / 6
USB Device: USB2.0 Hub, 0x05e3  (Genesys Logic, Inc.), 0x0608, 0xfd300000 / 2
USB Device: USB PC Camera, 0x0ac8  (Z-Star Microelectronics Corporation), 0x332d, 0xfd330000 / 5
USB Device: USB2.0 Hub, 0x05e3  (Genesys Logic, Inc.), 0x0608, 0xfd340000 / 4
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8206, 0x5d200000 / 2
FireWire Device: built-in_hub, 800mbit_speed

[Chris Adamson]

Created attachment 151074 [details]
Screenshot of browser window after page fails to load (appears briefly before Safari Web Content crash window)

[Alexey Proskuryakov]

I cannot reproduce this with nightly r122160. Are you still seeing this?

CC'ing some JSC folks in case they can reproduce - my testing is somewhat skewed, as I'm getting a localized Russian version of the site.

[Chris Adamson]

Seems to no longer be a problem in r123921. Going to close my report as resolved/worksforme.

Thanks for looking.