For example https://build.webkit.org/builders/Apple%20Yosemite%20Release%20WK2%20%28Tests%29/builds/3805 Exception Type: EXC_BAD_ACCESS (SIGBUS) Exception Codes: 0x000000000000000a, 0x000000011693b000 VM Regions Near 0x11693b000: Image IO 0000000116931000-000000011693b000 [ 40K] rw-/rwx SM=PRV --> mapped file 000000011693b000-000000011693e000 [ 12K] r--/r-- SM=COW /private/var/folders/* CoreUI image data 000000011693e000-000000011693f000 [ 4K] rw-/rwx SM=PRV Application Specific Information: CRASHING TEST: /css/css-image-loading.html Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 libsystem_platform.dylib 0x00007fff8d627db5 _platform_memcmp + 213 1 com.apple.WebCore 0x000000010f23eeea WebCore::CachedResource::tryReplaceEncodedData(WebCore::SharedBuffer&) + 122 (CachedResource.cpp:781) 2 com.apple.WebKit 0x000000010dbb04f2 WebKit::NetworkProcessConnection::didCacheResource(WebCore::ResourceRequest const&, WebKit::ShareableResource::Handle const&, WebCore::SessionID) + 86 (NetworkProcessConnection.cpp:97) 3 com.apple.WebKit 0x000000010dbb06be void IPC::handleMessage<Messages::NetworkProcessConnection::DidCacheResource, WebKit::NetworkProcessConnection, void (WebKit::NetworkProcessConnection::*)(WebCore::ResourceRequest const&, WebKit::ShareableResource::Handle const&, WebCore::SessionID)>(IPC::MessageDecoder&, WebKit::NetworkProcessConnection*, void (WebKit::NetworkProcessConnection::*)(WebCore::ResourceRequest const&, WebKit::ShareableResource::Handle const&, WebCore::SessionID)) + 118 (HandleMessage.h:93) 4 com.apple.WebKit 0x000000010db485e2 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) + 102 (Connection.cpp:872) 5 com.apple.WebKit 0x000000010db4a7ae IPC::Connection::dispatchOneMessage() + 114 (memory:2593) 6 com.apple.JavaScriptCore 0x000000010edbd7d7 WTF::RunLoop::performWork() + 423 (RunLoop.cpp:106) 7 com.apple.JavaScriptCore 0x000000010edbdea2 WTF::RunLoop::performWork(void*) + 34 (RunLoopCF.cpp:39) 8 com.apple.CoreFoundation 0x00007fff845f6681 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 9 com.apple.CoreFoundation 0x00007fff845e880d __CFRunLoopDoSources0 + 269 10 com.apple.CoreFoundation 0x00007fff845e7e3f __CFRunLoopRun + 927 11 com.apple.CoreFoundation 0x00007fff845e7858 CFRunLoopRunSpecific + 296 12 com.apple.HIToolbox 0x00007fff8d08eaef RunCurrentEventLoopInMode + 235 13 com.apple.HIToolbox 0x00007fff8d08e86a ReceiveNextEventCommon + 431 14 com.apple.HIToolbox 0x00007fff8d08e6ab _BlockUntilNextEventMatchingListInModeWithFilter + 71 15 com.apple.AppKit 0x00007fff8f5aef81 _DPSNextEvent + 964 16 com.apple.AppKit 0x00007fff8f5ae730 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 194 17 com.apple.AppKit 0x00007fff8f5a2593 -[NSApplication run] + 594 18 com.apple.AppKit 0x00007fff8f58da14 NSApplicationMain + 1832
rdar://problem/15924780
Created attachment 250439 [details] patch
Comment on attachment 250439 [details] patch Clearing flags on attachment: 250439 Committed r182602: <http://trac.webkit.org/changeset/182602>
All reviewed patches have been landed. Closing bug.