NEW 164083
ASSERTION FAILED: m_stack.isEmpty() in WebCore::GraphicsContext::~GraphicsContext 
https://bugs.webkit.org/show_bug.cgi?id=164083
Summary ASSERTION FAILED: m_stack.isEmpty() in WebCore::GraphicsContext::~GraphicsCon...
Renata Hodovan
Reported 2016-10-27 14:41:05 PDT
Load the attached test with debug WebKitTestRunner: Checked version: 2c9fa6e OS: Darwin-15.6.0-x86_64-i386-64bit <style>body{background-attachment:fixed</style><style>*{-webkit-box-reflect:below 2 none;mix-blend-mode:soft-light</style><body background=w> Backtrace: ASSERTION FAILED: m_stack.isEmpty() WebKit/Source/WebCore/platform/graphics/GraphicsContext.cpp(341) : WebCore::GraphicsContext::~GraphicsContext() 1 0x10e77d4f1 WTFCrash 2 0x114645715 WebCore::GraphicsContext::~GraphicsContext() 3 0x114645805 WebCore::GraphicsContext::~GraphicsContext() 4 0x1175bd8c3 WebCore::PlatformCALayer::drawLayerContents(CGContext*, WebCore::PlatformCALayer*, WTF::Vector<WebCore::FloatRect, 5ul, WTF::CrashOnOverflow, 16ul>&) 5 0x1194f8ee4 -[WebLayer drawInContext:] 6 0x7fff85a28b19 CABackingStoreUpdate_ 7 0x7fff85a27d6d invocation function for block in CA::Layer::display_() 8 0x7fff85a27759 CA::Layer::display_() 9 0x1194f9fa9 -[WebSimpleLayer display] 10 0x7fff85a194a5 CA::Layer::display_if_needed(CA::Transaction*) 11 0x7fff85a18fcd CA::Layer::layout_and_display_if_needed(CA::Transaction*) 12 0x7fff85a184a1 CA::Context::commit_transaction(CA::Transaction*) 13 0x7fff85a180ec CA::Transaction::commit() 14 0x7fff85a23977 CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) 15 0x7fff81c1f067 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ 16 0x7fff81c1efd7 __CFRunLoopDoObservers 17 0x7fff81bfdef8 CFRunLoopRunSpecific 18 0x7fff82fde935 RunCurrentEventLoopInMode 19 0x7fff82fde76f ReceiveNextEventCommon 20 0x7fff82fde5af _BlockUntilNextEventMatchingListInModeWithFilter 21 0x7fff8e643df6 _DPSNextEvent 22 0x7fff8e643226 -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] 23 0x7fff8e637d80 -[NSApplication run] 24 0x7fff8e601368 NSApplicationMain 25 0x7fff92f09194 _xpc_objc_main 26 0x7fff92f07bbe xpc_main 27 0x104ecbf74 main 28 0x7fff8ab8d5ad start 29 0x1 ASAN:DEADLYSIGNAL ================================================================= ==2377==ERROR: AddressSanitizer: SEGV on unknown address 0x0000bbadbeef (pc 0x00010e77d529 bp 0x7fff5ad32f20 sp 0x7fff5ad32f10 T0) #0 0x10e77d528 in WTFCrash (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d01528) #1 0x114645714 in WebCore::GraphicsContext::~GraphicsContext() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1c33714) #2 0x114645804 in WebCore::GraphicsContext::~GraphicsContext() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1c33804) #3 0x1175bd8c2 in WebCore::PlatformCALayer::drawLayerContents(CGContext*, WebCore::PlatformCALayer*, WTF::Vector<WebCore::FloatRect, 5ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4bab8c2) #4 0x1194f8ee3 in -[WebLayer drawInContext:] (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6ae6ee3) #5 0x7fff85a28b18 in CABackingStoreUpdate_ (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x20b18) #6 0x7fff85a27d6c in invocation function for block in CA::Layer::display_() (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x1fd6c) #7 0x7fff85a27758 in CA::Layer::display_() (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x1f758) #8 0x1194f9fa8 in -[WebSimpleLayer display] (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6ae7fa8) #9 0x7fff85a194a4 in CA::Layer::display_if_needed(CA::Transaction*) (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x114a4) #10 0x7fff85a18fcc in CA::Layer::layout_and_display_if_needed(CA::Transaction*) (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x10fcc) #11 0x7fff85a184a0 in CA::Context::commit_transaction(CA::Transaction*) (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x104a0) #12 0x7fff85a180eb in CA::Transaction::commit() (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x100eb) #13 0x7fff85a23976 in CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x1b976) #14 0x7fff81c1f066 in __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0xaa066) #15 0x7fff81c1efd6 in __CFRunLoopDoObservers (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0xa9fd6) #16 0x7fff81bfdef7 in CFRunLoopRunSpecific (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x88ef7) #17 0x7fff82fde934 in RunCurrentEventLoopInMode (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x30934) #18 0x7fff82fde76e in ReceiveNextEventCommon (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x3076e) #19 0x7fff82fde5ae in _BlockUntilNextEventMatchingListInModeWithFilter (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x305ae) #20 0x7fff8e643df5 in _DPSNextEvent (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x48df5) #21 0x7fff8e643225 in -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x48225) #22 0x7fff8e637d7f in -[NSApplication run] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x3cd7f) #23 0x7fff8e601367 in NSApplicationMain (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x6367) #24 0x7fff92f09193 in _xpc_objc_main (/usr/lib/system/libxpc.dylib+0x11193) #25 0x7fff92f07bbd in xpc_main (/usr/lib/system/libxpc.dylib+0xfbbd) #26 0x104ecbf73 in main (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development+0x100001f73) #27 0x7fff8ab8d5ac in start (/usr/lib/system/libdyld.dylib+0x35ac) #28 0x0 (<unknown module>) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d01528) in WTFCrash ==2377==ABORTING #CRASHED - com.apple.WebKit.WebContent.Development (pid 2377)
Attachments
Test (141 bytes, application/octet-stream)
2016-10-27 14:41 PDT, Renata Hodovan 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Renata Hodovan
Comment 1 2016-10-27 14:41:08 PDT
Created attachment 293061 [details] Test
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