Webkit crash debugging

[Meowthra]

Process:               com.apple.WebKit.WebContent [518]
Path:                  /System/Library/Frameworks/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent
Identifier:            com.apple.WebKit.WebContent
Version:               11601 (11601.7.7)
Build Info:            WebKit2-7601007007000000~3
Code Type:             X86-64 (Native)
Parent Process:        ??? [1]
Responsible:           Safari [376]
User ID:               501

Date/Time:             2017-11-07 02:57:51.373 -0800
OS Version:            Mac OS X 10.11.6 (15G31)
Report Version:        11
Anonymous UUID:        0121CF6B-29A5-B8A4-32FC-818962685C38


Time Awake Since Boot: 1000 seconds

System Integrity Protection: disabled

Crashed Thread:        1  Dispatch queue: CA::CG::ParallelRenderQueue

Exception Type:        EXC_BAD_INSTRUCTION (SIGILL)
Exception Codes:       0x0000000000000001, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY

Application Specific Information:
Bundle controller class:
BrowserBundleController
 
Process Model:
Multiple Web Processes
 

Global Trace Buffer (reverse chronological seconds):
18446744072.594929 AppleJPEG                 	0x00007fff8a0d211c [0x7fecea910e00] Decoding completed without errors
18446744072.597885 AppleJPEG                 	0x00007fff8a0d00fc [0x7fecea910e00] Options: 1x-1 [FFFFFFFF,FFFFFFFF] 00054060
18446744072.597885 AppleJPEG                 	0x00007fff8a0cffae [0x7fecea910e00] Decoding: C0 0x02620262 0x0000304A 0x22111100 0x00000000 48093
18446744072.620670 AppleJPEG                 	0x00007fff8a0cf05e [0x7fecea944a00] Created session
18446744072.620670 AppleJPEG                 	0x00007fff8a0cfa11 [0x7fecea944a00] Releasing session
18446744072.621658 AppleJPEG                 	0x00007fff8a0cf05e [0x7fecea910e00] Created session
18446744072.621670 AppleJPEG                 	0x00007fff8a0cfa11 [0x7fecea910e00] Releasing session
18446744073.126343 AppleJPEG                 	0x00007fff8a0cf05e [0x7fecea944a00] Created session
18446744073.128712 AppleJPEG                 	0x00007fff8a0cf05e [0x7fecea94d600] Created session
18446744073.128712 AppleJPEG                 	0x00007fff8a0cf05e [0x7fecea94aa00] Created session
18446744073.130878 AppleJPEG                 	0x00007fff8a0cf05e [0x7fecea947e00] Created session
18446744073.131512 AppleJPEG                 	0x00007fff8a0cf05e [0x7fecea917200] Created session
18446744073.131802 AppleJPEG                 	0x00007fff8a0cf05e [0x7fecea910e00] Created session
0.480768     CFNetwork                 	0x00007fff86f2498f Explicitly setting CF cookie storage singleton
0.481211     CFNetwork                 	0x00007fff86f5b5d1 Explicitly setting cookie storage singleton

Thread 0:: Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib        	0x00007fff89b7bfae semaphore_wait_trap + 10
1   libsystem_platform.dylib      	0x00007fff83909ce8 _os_semaphore_wait + 16
2   libdispatch.dylib             	0x00007fff912ee994 _dispatch_barrier_sync_f_slow + 594
3   com.apple.QuartzCore          	0x00007fff8cc4ce54 CABackingStoreGetFrontTexture(CABackingStore*) + 92
4   com.apple.QuartzCore          	0x00007fff8cc5c7a6 CABackingStorePrepareFrontTexture + 54
5   com.apple.QuartzCore          	0x00007fff8cc3a6b0 CA::Layer::prepare_commit(CA::Transaction*) + 382
6   com.apple.QuartzCore          	0x00007fff8cc394ac CA::Context::commit_transaction(CA::Transaction*) + 288
7   com.apple.QuartzCore          	0x00007fff8cc390ec CA::Transaction::commit() + 508
8   com.apple.QuartzCore          	0x00007fff8cc44977 CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 71
9   com.apple.CoreFoundation      	0x00007fff97d2b067 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
10  com.apple.CoreFoundation      	0x00007fff97d2afd7 __CFRunLoopDoObservers + 391
11  com.apple.CoreFoundation      	0x00007fff97d09ef8 CFRunLoopRunSpecific + 328
12  com.apple.HIToolbox           	0x00007fff9100f935 RunCurrentEventLoopInMode + 235
13  com.apple.HIToolbox           	0x00007fff9100f76f ReceiveNextEventCommon + 432
14  com.apple.HIToolbox           	0x00007fff9100f5af _BlockUntilNextEventMatchingListInModeWithFilter + 71
15  com.apple.AppKit              	0x00007fff819efdf6 _DPSNextEvent + 1067
16  com.apple.AppKit              	0x00007fff819ef226 -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
17  com.apple.AppKit              	0x00007fff819e3d80 -[NSApplication run] + 682
18  com.apple.AppKit              	0x00007fff819ad368 NSApplicationMain + 1176
19  libxpc.dylib                  	0x00007fff8e088194 _xpc_objc_main + 795
20  libxpc.dylib                  	0x00007fff8e086bbe xpc_main + 494
21  com.apple.WebKit.WebContent   	0x0000000106476b4a 0x106476000 + 2890
22  libdyld.dylib                 	0x00007fff8a84c5ad start + 1

invalid user opcode (64-bit) : C4 41 19 EF E4 C5 7C 28 15 4A

 

vpxor      xmm12, xmm12, xmm12

c4 41 19 ef e4

 

 

Missing AVX / AVX2  instruction set