Bug 41575 – WebProcess crashes in release for simple layout tests

• Status: RESOLVED
• Resolution: FIXED
• Component: New Bugs

[Maciej Stachowiak]

~/Work/symroots/Release/WebKitTestRunner /Users/mjs/Work/src/Safari/OpenSource/LayoutTests/css1/basic/class_as_selector.html 
Content-Type: text/plain
倀#EOF
#EOF
#EOF

And the Web Process crashes, it looks like the CoreIPC receive queue jumps to null:

Process:         WebProcess [35407]
Path:            /Users/mjs/Work/symroots/Release/WebKit2.framework/WebProcess.app/Contents/MacOS/WebProcess
Identifier:      com.apple.WebProcess
Version:         534+ (534.2+)
Code Type:       X86-64 (Native)
Parent Process:  ??? [1]

Date/Time:       2010-07-03 21:58:05.482 -0700
OS Version:      Mac OS X 10.6.4 (10F569)
Report Version:  6

Interval Since Last Report:          118065 sec
Crashes Since Last Report:           7
Per-App Interval Since Last Report:  1519 sec
Per-App Crashes Since Last Report:   6
Anonymous UUID:                      1A7EF997-314C-43CA-8CD8-321FCB37E631

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000
Crashed Thread:  4  Dispatch queue: com.apple.CoreIPC.ReceiveQueue

Thread 0:  Dispatch queue: com.apple.main-thread
0   libSystem.B.dylib             	0x00007fff832a416d szone_free_definite_size + 2100
1   libobjc.A.dylib               	0x00007fff828d771b _internal_object_dispose + 60
2   com.apple.CoreFoundation      	0x00007fff856363ba -[NSObject(NSObject) dealloc] + 58
3   com.apple.CoreFoundation      	0x00007fff85641591 -[__NSFastEnumerationEnumerator dealloc] + 97
4   com.apple.CoreFoundation      	0x00007fff85616cc6 _CFAutoreleasePoolPop + 230
5   com.apple.Foundation          	0x00007fff84cb92ec -[NSAutoreleasePool drain] + 158
6   com.apple.CFNetwork           	0x00007fff8300606e URLConnectionClient::_clientDidFinishLoading(URLConnectionClient::ClientConnectionEventQueue*) + 174
7   com.apple.CFNetwork           	0x00007fff8306b3e2 URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent, XClientEventParams>*, long) + 254
8   com.apple.CFNetwork           	0x00007fff8306b64e URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent, XClientEventParams>*, long) + 874
9   com.apple.CFNetwork           	0x00007fff82ff279f URLConnectionClient::processEvents() + 121
10  com.apple.CFNetwork           	0x00007fff82ff257c MultiplexerSource::perform() + 160
11  com.apple.CoreFoundation      	0x00007fff8562fe91 __CFRunLoopDoSources0 + 1361
12  com.apple.CoreFoundation      	0x00007fff8562e089 __CFRunLoopRun + 873
13  com.apple.CoreFoundation      	0x00007fff8562d84f CFRunLoopRunSpecific + 575
14  com.apple.HIToolbox           	0x00007fff85a7491a RunCurrentEventLoopInMode + 333
15  com.apple.HIToolbox           	0x00007fff85a7471f ReceiveNextEventCommon + 310
16  com.apple.HIToolbox           	0x00007fff85a745d8 BlockUntilNextEventMatchingListInMode + 59
17  com.apple.AppKit              	0x00007fff8066029e _DPSNextEvent + 708
18  com.apple.AppKit              	0x00007fff8065fbed -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 155
19  com.apple.AppKit              	0x00007fff806258d3 -[NSApplication run] + 395
20  com.apple.WebProcess          	0x0000000100000e00 main + 216
21  com.apple.WebProcess          	0x0000000100000d20 start + 52

Thread 1:  Dispatch queue: com.apple.libdispatch-manager
0   libSystem.B.dylib             	0x00007fff832b608a kevent + 10
1   libSystem.B.dylib             	0x00007fff832b7f5d _dispatch_mgr_invoke + 154
2   libSystem.B.dylib             	0x00007fff832b7c34 _dispatch_queue_invoke + 185
3   libSystem.B.dylib             	0x00007fff832b775e _dispatch_worker_thread2 + 252
4   libSystem.B.dylib             	0x00007fff832b7088 _pthread_wqthread + 353
5   libSystem.B.dylib             	0x00007fff832b6f25 start_wqthread + 13

Thread 2:  Dispatch queue: com.apple.CFURLCACHE_work_queue
0   libSystem.B.dylib             	0x00007fff832ded0a fsync + 10
1   libsqlite3.dylib              	0x00007fff83c31827 unixSync + 71
2   libsqlite3.dylib              	0x00007fff83c3462e syncJournal + 494
3   libsqlite3.dylib              	0x00007fff83c45086 sqlite3PagerCommitPhaseOne + 1478
4   libsqlite3.dylib              	0x00007fff83c4afae sqlite3BtreeCommitPhaseOne + 558
5   libsqlite3.dylib              	0x00007fff83c73113 sqlite3VdbeHalt + 3107
6   libsqlite3.dylib              	0x00007fff83caeba4 sqlite3VdbeExec + 6340
7   libsqlite3.dylib              	0x00007fff83cb8778 sqlite3_step + 1384
8   libsqlite3.dylib              	0x00007fff83cb92c5 sqlite3_exec + 341
9   com.apple.CFNetwork           	0x00007fff82ff7f18 __CFURLCache::PostDatabaseOpenPragmaExecute() + 54
10  com.apple.CFNetwork           	0x00007fff82ff1c46 __CFURLCache::OpenDatabase() + 124
11  com.apple.CFNetwork           	0x00007fff82ff1753 ProcessCacheTasks(__CFURLCache*) + 635
12  com.apple.CFNetwork           	0x00007fff82ff1063 _CFURLCacheTimerCallback(void*) + 282
13  libSystem.B.dylib             	0x00007fff832d91b0 _dispatch_call_block_and_release + 15
14  libSystem.B.dylib             	0x00007fff832b7d52 _dispatch_queue_drain + 251
15  libSystem.B.dylib             	0x00007fff832b7bb4 _dispatch_queue_invoke + 57
16  libSystem.B.dylib             	0x00007fff832b775e _dispatch_worker_thread2 + 252
17  libSystem.B.dylib             	0x00007fff832b7088 _pthread_wqthread + 353
18  libSystem.B.dylib             	0x00007fff832b6f25 start_wqthread + 13

Thread 3:
0   libSystem.B.dylib             	0x00007fff8329d2fa mach_msg_trap + 10
1   libSystem.B.dylib             	0x00007fff8329d96d mach_msg + 59
2   com.apple.CoreFoundation      	0x00007fff8562e3c2 __CFRunLoopRun + 1698
3   com.apple.CoreFoundation      	0x00007fff8562d84f CFRunLoopRunSpecific + 575
4   com.apple.Foundation          	0x00007fff84d234c3 +[NSURLConnection(NSURLConnectionReallyInternal) _resourceLoadLoop:] + 297
5   com.apple.Foundation          	0x00007fff84ca3e8d __NSThread__main__ + 1429
6   libSystem.B.dylib             	0x00007fff832d6456 _pthread_start + 331
7   libSystem.B.dylib             	0x00007fff832d6309 thread_start + 13

Thread 4 Crashed:  Dispatch queue: com.apple.CoreIPC.ReceiveQueue
0   ???                           	000000000000000000 0 + 0
1   libSystem.B.dylib             	0x00007fff832b7d52 _dispatch_queue_drain + 251
2   libSystem.B.dylib             	0x00007fff832b7bb4 _dispatch_queue_invoke + 57
3   libSystem.B.dylib             	0x00007fff832b775e _dispatch_worker_thread2 + 252
4   libSystem.B.dylib             	0x00007fff832b7088 _pthread_wqthread + 353
5   libSystem.B.dylib             	0x00007fff832b6f25 start_wqthread + 13

Thread 4 crashed with X86 Thread State (64-bit):
  rax: 0x000000010031ee10  rbx: 0x000000010228cda8  rcx: 0x0000000000000000  rdx: 0x000000010231a020
  rdi: 0x000000010228cd80  rsi: 0x0000000000000000  rbp: 0x00000001170bbe30  rsp: 0x00000001170bbe18
   r8: 0x000000010228cdb0   r9: 0x0000000000000010  r10: 0x0000000000000000  r11: 0x0000000000000000
  r12: 0x000000010231a020  r13: 0x0000000102012020  r14: 0x00000001021000e0  r15: 0x00007fff7072bbf8
  rip: 0x0000000000000000  rfl: 0x0000000000010202  cr2: 0x0000000000000000

Binary Images:
       0x100000000 -        0x100000fff  com.apple.WebProcess 534+ (534.2+) <F7F09D32-9A13-D2B1-8B17-BBC4B3481BD4> /Users/mjs/Work/symroots/Release/WebKit2.framework/WebProcess.app/Contents/MacOS/WebProcess
       0x100003000 -        0x1001f2fef  com.apple.JavaScriptCore 534+ (534.3+) <F9A25C59-AF5D-7704-FA31-B989AE547AD1> /Users/mjs/Work/symroots/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore
       0x1002cc000 -        0x10031dff7  com.apple.WebKit2 534+ (534.2+) <8D4AAFDD-4E2A-F22D-D76C-67766A0103E0> /Users/mjs/Work/symroots/Release/WebKit2.framework/Versions/A/WebKit2
       0x10038e000 -        0x1011ccfff  com.apple.WebCore 534+ (534.3+) <6AB35E23-4557-6FD3-E303-D5C07309613B> /Users/mjs/Work/symroots/Release/WebCore.framework/Versions/A/WebCore
       0x10246a000 -        0x102470ff7 +InjectedBundle ??? (???) <A84B1604-2766-2EF7-EEEE-4CC445F48C76> /Users/mjs/Work/symroots/Release/InjectedBundle.bundle/Contents/MacOS/InjectedBundle
    0x7fff5fc00000 -     0x7fff5fc3bdef  dyld 132.1 (???) <B536F2F1-9DF1-3B6C-1C2C-9075EA219A06> /usr/lib/dyld
    0x7fff801ae000 -     0x7fff801c2ff7  com.apple.speech.synthesis.framework 3.10.35 (3.10.35) <63C87CF7-56B3-4038-8136-8C26E96AD42F> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis
    0x7fff801df000 -     0x7fff80578ff7  com.apple.QuartzCore 1.6.2 (227.22) <76EE0A32-B20B-F316-ADDD-4230329253D5> /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
    0x7fff8061c000 -     0x7fff81012fff  com.apple.AppKit 6.6.6 (1038.29) <7BDD335D-5425-0354-5AD6-41C4F1B4A2F4> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
    0x7fff81013000 -     0x7fff81138fef  com.apple.audio.toolbox.AudioToolbox 1.6.3 (1.6.3) <4931DCF6-072F-A4FA-0989-4C4B83BDF98A> /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
    0x7fff812af000 -     0x7fff8132efef  com.apple.audio.CoreAudio 3.2.2 (3.2.2) <243E456E-7A74-BE76-FF18-E589BDCAA785> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
    0x7fff81338000 -     0x7fff81375ff7  libFontRegistry.dylib ??? (???) <B63FCC3A-F49E-B42E-6D57-5F59E3A8D8B9> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontRegistry.dylib
    0x7fff813c1000 -     0x7fff813f9fef  libcups.2.dylib 2.8.0 (compatibility 2.0.0) <31A78904-A500-0DA9-0609-F1EB81383326> /usr/lib/libcups.2.dylib
    0x7fff81477000 -     0x7fff8147afff  com.apple.help 1.3.1 (41) <E311A81E-9870-A430-1E16-AFF6C92CE6E5> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Help.framework/Versions/A/Help
    0x7fff8147b000 -     0x7fff8151bfff  com.apple.LaunchServices 362.1 (362.1) <4529EF9C-45C7-E2E3-6726-4A5AD382566D> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
    0x7fff81567000 -     0x7fff815f3fef  SecurityFoundation ??? (???) <6860DE26-0D42-D1E8-CD7C-5B42D78C1E1D> /System/Library/Frameworks/SecurityFoundation.framework/Versions/A/SecurityFoundation
    0x7fff817f1000 -     0x7fff818aeff7  com.apple.CoreServices.OSServices 357 (357) <718F0719-DC9F-E392-7C64-9D7DFE3D02E2> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices
    0x7fff818e4000 -     0x7fff81a22fff  com.apple.CoreData 102.1 (251) <782F29CA-ACC7-4A77-5772-52FBE2CEFB5E> /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
    0x7fff81a61000 -     0x7fff81b47fe7  com.apple.DesktopServices 1.5.7 (1.5.7) <8A697128-B6CA-E4A8-C200-6520D5A35FBE> /System/Library/PrivateFrameworks/DesktopServicesPriv.framework/Versions/A/DesktopServicesPriv
    0x7fff81b48000 -     0x7fff81b94fff  libauto.dylib ??? (???) <205CE82B-3DE0-4A9D-CEB9-F6A3DDA22ED4> /usr/lib/libauto.dylib
    0x7fff81b95000 -     0x7fff81ba3ff7  libkxld.dylib ??? (???) <EE840168-1F67-6219-8BA3-C46039BCC8B3> /usr/lib/system/libkxld.dylib
    0x7fff8283e000 -     0x7fff8283fff7  com.apple.audio.units.AudioUnit 1.6.3 (1.6.3) <5264A680-010D-4DD6-911E-04AD0DA3D0B4> /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit
    0x7fff828d0000 -     0x7fff82986fff  libobjc.A.dylib 227.0.0 (compatibility 1.0.0) <B1F5CDC0-96BD-C7C0-BEAA-1E2259DDE067> /usr/lib/libobjc.A.dylib
    0x7fff82987000 -     0x7fff82987ff7  com.apple.Accelerate.vecLib 3.6 (vecLib 3.6) <DA9BFF01-40DF-EBD5-ABB7-787DAF2D77CF> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
    0x7fff82988000 -     0x7fff829adff7  com.apple.CoreVideo 1.6.1 (45.5) <BB098B75-BA61-50E6-FE8E-FFE285BDECE8> /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
    0x7fff829ae000 -     0x7fff829aeff7  com.apple.Carbon 150 (152) <19B37B7B-1594-AD0A-7F14-FA2F85AD7241> /System/Library/Frameworks/Carbon.framework/Versions/A/Carbon
    0x7fff82a19000 -     0x7fff82bd7fff  libicucore.A.dylib 40.0.0 (compatibility 1.0.0) <0E53A4A6-AC06-1B61-2285-248F534EE356> /usr/lib/libicucore.A.dylib
    0x7fff82d42000 -     0x7fff82d93fe7  com.apple.HIServices 1.8.0 (???) <A16322D3-8EEC-9928-4730-8916C21D8187> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
    0x7fff82dfd000 -     0x7fff82e82fff  com.apple.print.framework.PrintCore 6.2 (312.5) <28C44275-6DF8-23CB-4E7A-97E128F5A390> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore
    0x7fff82e85000 -     0x7fff82e86fff  liblangid.dylib ??? (???) <EA4D1607-2BD5-2EE2-2A3B-632EEE5A444D> /usr/lib/liblangid.dylib
    0x7fff82e9d000 -     0x7fff82ea0ff7  com.apple.securityhi 4.0 (36638) <38935851-09E4-DDAB-DB1D-30ADC39F7ED0> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SecurityHI.framework/Versions/A/SecurityHI
    0x7fff82ea1000 -     0x7fff82ea6ff7  com.apple.CommonPanels 1.2.4 (91) <4D84803B-BD06-D80E-15AE-EFBE43F93605> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CommonPanels.framework/Versions/A/CommonPanels
    0x7fff82ee7000 -     0x7fff82efbfff  libGL.dylib ??? (???) <5AD69545-D1A3-C017-C7AF-B4AFD6F08FA2> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
    0x7fff82f12000 -     0x7fff82f70ff7  com.apple.framework.IOKit 2.0 (???) <010C3398-7363-8F4B-719C-263867F15F63> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
    0x7fff82f71000 -     0x7fff82f71ff7  com.apple.ApplicationServices 38 (38) <10A0B9E9-4988-03D4-FC56-DDE231A02C63> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices
    0x7fff82fe1000 -     0x7fff830b1ff7  com.apple.CFNetwork 454.9.7 (454.9.7) <AA6EB690-6CCF-603D-AAC2-35B9E05D1593> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
    0x7fff830b2000 -     0x7fff83172fff  libFontParser.dylib ??? (???) <A4F8189D-1D5B-2F8D-E78E-6D934A8E8407> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontParser.dylib
    0x7fff83209000 -     0x7fff8325efef  com.apple.framework.familycontrols 2.0.1 (2010) <239940AC-2427-44C6-9E29-998D0ABECDF3> /System/Library/PrivateFrameworks/FamilyControls.framework/Versions/A/FamilyControls
    0x7fff8325f000 -     0x7fff83261fff  libRadiance.dylib ??? (???) <D67C08B6-4D4A-916D-E936-528E145A56E2> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libRadiance.dylib
    0x7fff83262000 -     0x7fff83271ff7  com.apple.opengl 1.6.8 (1.6.8) <0CDC4F98-7981-A114-1778-AF171075138E> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
    0x7fff83272000 -     0x7fff83284fe7  libsasl2.2.dylib 3.15.0 (compatibility 3.0.0) <76B83C8D-8EFE-4467-0F75-275648AFED97> /usr/lib/libsasl2.2.dylib
    0x7fff83285000 -     0x7fff8329bff7  com.apple.MultitouchSupport.framework 204.13 (204.13) <BFFEC259-F103-B25A-BB52-1AA79116DDBA> /System/Library/PrivateFrameworks/MultitouchSupport.framework/Versions/A/MultitouchSupport
    0x7fff8329c000 -     0x7fff8345cfef  libSystem.B.dylib 125.2.0 (compatibility 1.0.0) <95E02DD0-ADEA-745B-E7FA-ABA064E4658C> /usr/lib/libSystem.B.dylib
    0x7fff836bf000 -     0x7fff83700fff  com.apple.SystemConfiguration 1.10.2 (1.10.2) <BC27BDD4-9CC8-9AF0-B4C2-DD50FD751CBF> /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration
    0x7fff83802000 -     0x7fff83849ff7  com.apple.coreui 2 (114) <BB09E685-1F5D-0676-1A0E-295610B387A8> /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/CoreUI
    0x7fff838e0000 -     0x7fff838effff  com.apple.NetFS 3.2.1 (3.2.1) <3FC302C9-A5C6-A9CA-08CE-435AD05499F1> /System/Library/Frameworks/NetFS.framework/Versions/A/NetFS
    0x7fff83929000 -     0x7fff839b9fff  com.apple.SearchKit 1.3.0 (1.3.0) <3403E658-A54E-A79A-12EB-E090E8743984> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
    0x7fff839d6000 -     0x7fff83a11fff  com.apple.AE 496.4 (496.4) <64C27EC8-FC7F-EA6B-9435-9A3452425915> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE
    0x7fff83a7b000 -     0x7fff83a7bff7  com.apple.Accelerate 1.6 (Accelerate 1.6) <2BB7D669-4B40-6A52-ADBD-DA4DB3BC0B1B> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
    0x7fff83a7c000 -     0x7fff83ac4ff7  libvDSP.dylib 268.0.1 (compatibility 1.0.0) <170DE04F-89AB-E295-0880-D69CAFBD7979> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
    0x7fff83ac5000 -     0x7fff83ae5ff7  com.apple.DirectoryService.Framework 3.6 (621.3) <34B17024-866F-70AF-2098-4B5FCF57AE52> /System/Library/Frameworks/DirectoryService.framework/Versions/A/DirectoryService
    0x7fff83c2c000 -     0x7fff83ce5fff  libsqlite3.dylib 9.6.0 (compatibility 9.0.0) <5A15E12A-AE8F-1A36-BBC7-564E7D7AD0FB> /usr/lib/libsqlite3.dylib
    0x7fff83d16000 -     0x7fff83e2ffef  libGLProgrammability.dylib ??? (???) <B057FC52-6A97-F450-48D8-325A70423A53> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLProgrammability.dylib
    0x7fff83fce000 -     0x7fff83fd5fff  com.apple.OpenDirectory 10.6 (10.6) <72A65D76-7831-D31E-F1B3-9E48BF26A98B> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/OpenDirectory
    0x7fff84059000 -     0x7fff842dfff7  com.apple.security 6.1.1 (37594) <5EDDC08C-C95B-2D24-E1D2-D30D233AB065> /System/Library/Frameworks/Security.framework/Versions/A/Security
    0x7fff842e0000 -     0x7fff842e4ff7  libmathCommon.A.dylib 315.0.0 (compatibility 1.0.0) <95718673-FEEE-B6ED-B127-BCDBDB60D4E5> /usr/lib/system/libmathCommon.A.dylib
    0x7fff842e5000 -     0x7fff84310ff7  libxslt.1.dylib 3.24.0 (compatibility 3.0.0) <87A0B228-B24A-C426-C3FB-B40D7258DD49> /usr/lib/libxslt.1.dylib
    0x7fff84311000 -     0x7fff84337fe7  libJPEG.dylib ??? (???) <4060F3E2-BAD3-244F-D777-51BA16569DA4> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libJPEG.dylib
    0x7fff8434c000 -     0x7fff84396ff7  com.apple.Metadata 10.6.3 (507.10) <641395B7-FF2C-B94C-965A-CE6A0830645F> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
    0x7fff84397000 -     0x7fff8439cfff  libGFXShared.dylib ??? (???) <1265FAEF-1C97-B339-28A4-4510589B067B> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.dylib
    0x7fff84400000 -     0x7fff8441bff7  com.apple.openscripting 1.3.1 (???) <5A6ECC32-04D0-9A62-635D-1DD03EC6E190> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/OpenScripting.framework/Versions/A/OpenScripting
    0x7fff8441c000 -     0x7fff844cbfff  edu.mit.Kerberos 6.5.10 (6.5.10) <F3F76EDF-5660-78F0-FE6E-33B6174F55A4> /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos
    0x7fff844cc000 -     0x7fff844edfff  libresolv.9.dylib 41.0.0 (compatibility 1.0.0) <6993F348-428F-C97E-7A84-7BD2EDC46A62> /usr/lib/libresolv.9.dylib
    0x7fff84731000 -     0x7fff847cbfff  com.apple.ApplicationServices.ATS 4.3 (???) <A7CD9E1F-C563-E940-130D-AA7E08C5A29F> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
    0x7fff849a3000 -     0x7fff849b0fe7  libCSync.A.dylib 543.50.0 (compatibility 64.0.0) <7B891D4C-1F19-4DB0-FD12-7A7D5E8F47AE> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libCSync.A.dylib
    0x7fff84a88000 -     0x7fff84b62ff7  com.apple.vImage 4.0 (4.0) <354F34BF-B221-A3C9-2CA7-9BE5E14AD5AD> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
    0x7fff84b6f000 -     0x7fff84b6fff7  com.apple.vecLib 3.6 (vecLib 3.6) <08D3D45D-908B-B86A-00BA-0F978D2702A7> /System/Library/Frameworks/vecLib.framework/Versions/A/vecLib
    0x7fff84b70000 -     0x7fff84c7ffe7  libcrypto.0.9.8.dylib 0.9.8 (compatibility 0.9.8) <36DA89A6-3AF5-86F2-BDD5-B94C7C0844D4> /usr/lib/libcrypto.0.9.8.dylib
    0x7fff84c93000 -     0x7fff84f14fef  com.apple.Foundation 6.6.3 (751.29) <DAEDB589-9F59-9556-CF8D-07556317937B> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
    0x7fff84f15000 -     0x7fff8528afe7  com.apple.RawCamera.bundle 3.0.3 (529) <2E6B251A-C5A5-A3F9-832B-BB1958F938E9> /System/Library/CoreServices/RawCamera.bundle/Contents/MacOS/RawCamera
    0x7fff855de000 -     0x7fff855e1ff7  libCoreVMClient.dylib ??? (???) <DBB2C09F-4BF4-326C-B775-B7A128C501E3> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreVMClient.dylib
    0x7fff855e2000 -     0x7fff85757ff7  com.apple.CoreFoundation 6.6.3 (550.29) <48810602-63C3-994D-E563-DD02B16E76E1> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
    0x7fff85758000 -     0x7fff857c2fe7  libvMisc.dylib 268.0.1 (compatibility 1.0.0) <7D8B6D68-7E70-2AF2-BF9F-2CD56145909C> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
    0x7fff857c3000 -     0x7fff85804fef  com.apple.QD 3.35 (???) <022EDBCA-DE3A-6410-F263-2FC7DA8FAC88> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD
    0x7fff85805000 -     0x7fff85854ff7  com.apple.DirectoryService.PasswordServerFramework 6.0 (6.0) <17EFD646-6F53-36E9-56BF-5A339E83EFFC> /System/Library/PrivateFrameworks/PasswordServer.framework/Versions/A/PasswordServer
    0x7fff85855000 -     0x7fff85856ff7  com.apple.TrustEvaluationAgent 1.1 (1) <306FD9EE-A301-41D5-EBDE-2FC52F28229C> /System/Library/PrivateFrameworks/TrustEvaluationAgent.framework/Versions/A/TrustEvaluationAgent
    0x7fff85980000 -     0x7fff85980ff7  com.apple.Cocoa 6.6 (???) <68B0BE46-6E24-C96F-B341-054CF9E8F3B6> /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa
    0x7fff85981000 -     0x7fff859a9fff  com.apple.DictionaryServices 1.1.1 (1.1.1) <403E9BF2-EC47-1D32-E4B1-3D624AAA5BBD> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices
    0x7fff859b7000 -     0x7fff85a35fff  com.apple.CoreText 3.1.0 (???) <2D2DECAA-05C4-C4D0-1233-FB682569FFB8> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreText.framework/Versions/A/CoreText
    0x7fff85a46000 -     0x7fff85d44fe7  com.apple.HIToolbox 1.6.3 (???) <CF0C8524-FA82-3908-ACD0-A9176C704AED> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
    0x7fff85d4b000 -     0x7fff85d51ff7  com.apple.DiskArbitration 2.3 (2.3) <857F6E43-1EF4-7D53-351B-10DE0A8F992A> /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
    0x7fff85d8f000 -     0x7fff85d95ff7  IOSurface ??? (???) <EB2019F6-7C5C-3D59-E11F-6119466C12A9> /System/Library/Frameworks/IOSurface.framework/Versions/A/IOSurface
    0x7fff85d96000 -     0x7fff85f4cfef  com.apple.ImageIO.framework 3.0.3 (3.0.3) <A32D0B5A-7149-7739-22D3-84D38B07E9E5> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/ImageIO
    0x7fff860ae000 -     0x7fff860c4fef  libbsm.0.dylib ??? (???) <83676D2E-23CD-45CD-BE5C-35FCFFBBBDBB> /usr/lib/libbsm.0.dylib
    0x7fff860c5000 -     0x7fff868cffe7  libBLAS.dylib 219.0.0 (compatibility 1.0.0) <EEE5CE62-9155-6559-2AEA-05CED0F5B0F1> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
    0x7fff869d9000 -     0x7fff869eeff7  com.apple.LangAnalysis 1.6.6 (1.6.6) <DC999B32-BF41-94C8-0583-27D9AB463E8B> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
    0x7fff869ef000 -     0x7fff86d22fe7  com.apple.CoreServices.CarbonCore 861.13 (861.13) <BC2F9B4E-D305-D717-D97E-EC78C7DE9EE9> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
    0x7fff86f8d000 -     0x7fff86f8dff7  com.apple.CoreServices 44 (44) <210A4C56-BECB-E3E4-B6EE-7EC53E02265D> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
    0x7fff86f8e000 -     0x7fff86fbffef  libTrueTypeScaler.dylib ??? (???) <0A30CA68-46AF-3E74-AE9E-693DB5A680CC> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libTrueTypeScaler.dylib
    0x7fff8703a000 -     0x7fff8704bff7  libz.1.dylib 1.2.3 (compatibility 1.0.0) <FB5EE53A-0534-0FFA-B2ED-486609433717> /usr/lib/libz.1.dylib
    0x7fff8704c000 -     0x7fff87490fef  libLAPACK.dylib 219.0.0 (compatibility 1.0.0) <E14EC4C6-B055-A4AC-B971-42AB644E4A7C> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
    0x7fff87491000 -     0x7fff874e0fef  libTIFF.dylib ??? (???) <A66CBA9C-A38D-5EDB-BFB5-CB398F033D6F> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libTIFF.dylib
    0x7fff874e1000 -     0x7fff8755efef  libstdc++.6.dylib 7.9.0 (compatibility 7.0.0) <35ECA411-2C08-FD7D-11B1-1B7A04921A5C> /usr/lib/libstdc++.6.dylib
    0x7fff875a4000 -     0x7fff87659fe7  com.apple.ink.framework 1.3.3 (107) <D76C7591-B060-E2DE-6634-968FDABD87EF> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Ink.framework/Versions/A/Ink
    0x7fff87879000 -     0x7fff87897fff  libPng.dylib ??? (???) <F6932C8D-E6B1-0871-B698-15180AA948F7> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libPng.dylib
    0x7fff87ac9000 -     0x7fff87b12fef  libGLU.dylib ??? (???) <34D118CD-F9EE-D023-FEBF-74581DEF31CD> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
    0x7fff87b13000 -     0x7fff87b1eff7  com.apple.speech.recognition.framework 3.11.1 (3.11.1) <60484D84-BA63-13DD-50E9-ABDA402C3C45> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SpeechRecognition.framework/Versions/A/SpeechRecognition
    0x7fff87b20000 -     0x7fff8821d067  com.apple.CoreGraphics 1.543.50 (???) <46A7D60C-0500-B96C-ECAD-1D658487D213> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics
    0x7fff884f9000 -     0x7fff884fbfff  com.apple.print.framework.Print 6.1 (237.1) <E4220665-6652-8F59-241D-59A21436DB21> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framework/Versions/A/Print
    0x7fff884fc000 -     0x7fff88515fff  com.apple.CFOpenDirectory 10.6 (10.6) <0F46E102-8B8E-0995-BA85-3D9608F0A30C> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/Frameworks/CFOpenDirectory.framework/Versions/A/CFOpenDirectory
    0x7fff88757000 -     0x7fff8877afff  com.apple.opencl 12.1 (12.1) <403E8F37-4348-B9BC-08E6-7693A995B7EC> /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL
    0x7fff8877b000 -     0x7fff88892fef  libxml2.2.dylib 10.3.0 (compatibility 10.0.0) <7DC5239F-CD6A-820C-7C66-C528D7E27649> /usr/lib/libxml2.2.dylib
    0x7fff88893000 -     0x7fff888a9fff  com.apple.ImageCapture 6.0 (6.0) <BF702F65-8E30-E318-1B58-AE6C0D5E5715> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/ImageCapture.framework/Versions/A/ImageCapture
    0x7fff888fa000 -     0x7fff8892bfff  libGLImage.dylib ??? (???) <2F18DB77-CF77-1311-9E20-FE460090C166> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib
    0x7fff88e31000 -     0x7fff88e36fff  libGIF.dylib ??? (???) <21FC6B02-6AC3-C4DB-0B50-98144802274C> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libGIF.dylib
    0x7fff88e37000 -     0x7fff88e3bff7  libCGXType.A.dylib 543.50.0 (compatibility 64.0.0) <E666EBC7-2D87-A3C6-9461-A596B4E53593> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libCGXType.A.dylib
    0x7fff88e3c000 -     0x7fff88ef1fe7  com.apple.ColorSync 4.6.3 (4.6.3) <AA93AD96-6974-9104-BF55-AF7A813C8A1B> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSync.framework/Versions/A/ColorSync
    0x7fffffe00000 -     0x7fffffe01fff  libSystem.B.dylib ??? (???) <95E02DD0-ADEA-745B-E7FA-ABA064E4658C> /usr/lib/libSystem.B.dylib

Model: MacBookPro6,2, BootROM MBP61.0057.B09, 2 processors, Intel Core i7, 2.66 GHz, 4 GB, SMC 1.58f16
Graphics: NVIDIA GeForce GT 330M, NVIDIA GeForce GT 330M, PCIe, 512 MB
Graphics: Intel HD Graphics, Intel HD Graphics, Built-In, 288 MB
Memory Module: global_name
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x93), Broadcom BCM43xx 1.0 (5.10.131.16.1)
Bluetooth: Version 2.3.3f8, 2 service, 12 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Network Service: VPN (L2TP), PPP (L2TP), ppp0
Serial ATA Device: Hitachi HTS545050B9SA02, 465.76 GB
Serial ATA Device: MATSHITADVD-R   UJ-898
USB Device: Hub, 0x0424  (SMSC), 0x2514, 0xfd100000
USB Device: Built-in iSight, 0x05ac  (Apple Inc.), 0x8507, 0xfd110000
USB Device: IR Receiver, 0x05ac  (Apple Inc.), 0x8242, 0xfd120000
USB Device: Hub, 0x0424  (SMSC), 0x2514, 0xfa100000
USB Device: Internal Memory Card Reader, 0x05ac  (Apple Inc.), 0x8403, 0xfa130000
USB Device: BRCM2070 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000
USB Device: Bluetooth USB Host Controller, 0x05ac  (Apple Inc.), 0x8218, 0xfa113000
USB Device: Apple Internal Keyboard / Trackpad, 0x05ac  (Apple Inc.), 0x0236, 0xfa120000
:

[Maciej Stachowiak]

I was able to reproduce crashing in Debug with MallocScribble. It turns out this was a memory trasher. Patch forthcoming.

[Maciej Stachowiak]

Created attachment 60470 [details]
Patch

[Maciej Stachowiak]

Committed r62461: <http://trac.webkit.org/changeset/62461>