[Webkit-unassigned] [Bug 227256] New: REGRESSION: [iOS] ASSERTION FAILED: pixelBuffer->data().length() >= 4 under WebCore::sampleColor

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=227256

            Bug ID: 227256
           Summary: REGRESSION: [iOS] ASSERTION FAILED:
                    pixelBuffer->data().length() >= 4 under
                    WebCore::sampleColor
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: drousso at apple.com

failing on internal iOS Simulator EWS

ASSERTION FAILED: pixelBuffer->data().length() >= 4
./page/PageColorSampler.cpp(131) : std::optional<Lab<float>> WebCore::sampleColor(WebCore::Document &, WebCore::IntPoint &&)
1   0x7bab979b9 WTFCrash
2   0x7db40babb WTFCrashWithInfo(int, char const*, char const*, int)
3   0x7dee9ae00 WebCore::sampleColor(WebCore::Document&, WebCore::IntPoint&&)
4   0x7dee91e8b WebCore::PageColorSampler::sampleTop(WebCore::Page&)
5   0x7dee91404 WebCore::Page::doAfterUpdateRendering()
6   0x7dee90c3e WebCore::Page::updateRendering()
7   0x7a4083941 WebKit::WebPage::updateRendering()
8   0x7a27b5cc9 WebKit::RemoteLayerTreeDrawingArea::updateRendering()
9   0x7a27bffee decltype(*(std::__1::forward<WebKit::RemoteLayerTreeDrawingArea*&>(fp0)).*fp()) std::__1::__invoke<void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*&, void>(void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*&)
10  0x7a27bff6d std::__1::__bind_return<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, std::__1::tuple<>, __is_valid_bind_return<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, std::__1::tuple<> >::value>::type std::__1::__apply_functor<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, 0ul, std::__1::tuple<> >(void (WebKit::RemoteLayerTreeDrawingArea::*&)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>&, std::__1::__tuple_indices<0ul>, std::__1::tuple<>&&)
11  0x7a27bff20 std::__1::__bind_return<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, std::__1::tuple<>, __is_valid_bind_return<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, std::__1::tuple<> >::value>::type std::__1::__bind<void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*>::operator()<>()
12  0x7a27bfeb9 WTF::Detail::CallableWrapper<std::__1::__bind<void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*>, void>::call()
13  0x7a20d0532 WTF::Function<void ()>::operator()() const
14  0x7a27baed9 WebCore::Timer::fired()
15  0x7df08785f WebCore::ThreadTimers::sharedTimerFiredInternal()
16  0x7df091801 WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0::operator()() const
17  0x7df091799 WTF::Detail::CallableWrapper<WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0, void>::call()
18  0x7db422942 WTF::Function<void ()>::operator()() const
19  0x7df045501 WebCore::MainThreadSharedTimer::fired()
20  0x7df0fbbe6 WebCore::timerFired(__CFRunLoopTimer*, void*)
21  0x79051a20d __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__
22  0x790519d09 __CFRunLoopDoTimer
23  0x7905192c8 __CFRunLoopDoTimers
24  0x7905138f6 __CFRunLoopRun
25  0x790512c39 CFRunLoopRunSpecific
26  0x790e47111 -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
27  0x790e4732e -[NSRunLoop(NSRunLoop) run]
28  0x791af90f7 _xpc_objc_main
29  0x791afb0b9 xpc_main
30  0x7a2dc82c5 WebKit::XPCServiceMain(int, char const**)
31  0x7a448fe2b WKXPCServiceMain

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.webkit.org/pipermail/webkit-unassigned/attachments/20210622/ba142791/attachment.htm>