[Webkit-unassigned] [Bug 167051] New: ASSERTION FAILED: !isFullUpdate || !m_subframeScrollLayersNeedReattach in WebCore::RenderLayerCompositor::updateCompositingLayers on http://www.w3schools.com/cssref/css_selectors.asp

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sat Jan 14 10:29:36 PST 2017 

https://bugs.webkit.org/show_bug.cgi?id=167051

            Bug ID: 167051
           Summary: ASSERTION FAILED: !isFullUpdate ||
                    !m_subframeScrollLayersNeedReattach in
                    WebCore::RenderLayerCompositor::updateCompositingLayer
                    s on http://www.w3schools.com/cssref/css_selectors.asp
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at igalia.com
                CC: bugs-noreply at webkitgtk.org

Visit http://www.w3schools.com/cssref/css_selectors.asp and scroll down a bit. It triggers this assertion:

ASSERTION FAILED: !isFullUpdate || !m_subframeScrollLayersNeedReattach
../../Source/WebCore/rendering/RenderLayerCompositor.cpp(749) : bool WebCore::RenderLayerCompositor::updateCompositingLayers(WebCore::CompositingUpdateType, WebCore::RenderLayer*)
1   0x7f159b6522d2 /home/mcatanzaro/Projects/GNOME/install/lib/libjavascriptcoregtk-4.0.so.18(WTFCrash+0x1e) [0x7f159b6522d2]
2   0x7f15a4ec357d /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore21RenderLayerCompositor23updateCompositingLayersENS_21CompositingUpdateTypeEPNS_11RenderLayerE+0x6f9) [0x7f15a4ec357d]
3   0x7f15a4a4db50 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore9FrameView37updateCompositingLayersAfterScrollingEv+0xc4) [0x7f15a4a4db50]
4   0x7f15a4b4da83 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore10ScrollView28completeUpdatesAfterScrollToERKNS_7IntSizeE+0x55) [0x7f15a4b4da83]
5   0x7f15a4b4d9df /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore10ScrollView8scrollToERKNS_8IntPointE+0x2a1) [0x7f15a4b4d9df]
6   0x7f15a4a51dbc /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore9FrameView8scrollToERKNS_8IntPointE+0x40) [0x7f15a4a51dbc]
7   0x7f15a4b4d48b /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore10ScrollView15setScrollOffsetERKNS_8IntPointE+0x17f) [0x7f15a4b4d48b]
8   0x7f15a4b56028 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore14ScrollableArea21scrollPositionChangedERKNS_8IntPointE+0x82) [0x7f15a4b56028]
9   0x7f15a4b56390 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore14ScrollableArea28setScrollOffsetFromAnimationERKNS_8IntPointE+0x58) [0x7f15a4b56390]
10  0x7f15a4b4bb09 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore14ScrollAnimator21notifyPositionChangedERKNS_9FloatSizeE+0x55) [0x7f15a4b4bb09]
11  0x7f15a4b4b5bf /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore14ScrollAnimator6scrollENS_20ScrollbarOrientationENS_17ScrollGranularityEff+0x1d5) [0x7f15a4b4b5bf]
12  0x7f15a545e72e /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore17ScrollAnimatorGtk6scrollENS_20ScrollbarOrientationENS_17ScrollGranularityEff+0x84) [0x7f15a545e72e]
13  0x7f15a4b4b98b /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore14ScrollAnimator16handleWheelEventERKNS_18PlatformWheelEventE+0x2f9) [0x7f15a4b4b98b]
14  0x7f15a4b562d5 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore14ScrollableArea16handleWheelEventERKNS_18PlatformWheelEventE+0x59) [0x7f15a4b562d5]
15  0x7f15a4a56532 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore9FrameView10wheelEventERKNS_18PlatformWheelEventE+0x16a) [0x7f15a4a56532]
16  0x7f15a4a20d50 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore12EventHandler26platformCompleteWheelEventERKNS_18PlatformWheelEventEPNS_13ContainerNodeERKN3WTF7WeakPtrINS_14ScrollableAreaEEE+0x5c) [0x7f15a4a20d50]
17  0x7f15a4a2150b /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore12EventHandler16handleWheelEventERKNS_18PlatformWheelEventE+0x547) [0x7f15a4a2150b]
18  0x7f15a50915f0 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore15UserInputBridge16handleWheelEventERKNS_18PlatformWheelEventENS_11InputSourceE+0x3c) [0x7f15a50915f0]
19  0x7f15a398653a /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(+0x538353a) [0x7f15a398653a]
20  0x7f15a39865c6 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN6WebKit7WebPage10wheelEventERKNS_13WebWheelEventE+0x58) [0x7f15a39865c6]
21  0x7f15a395d30d /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN6WebKit15EventDispatcher18dispatchWheelEventEmRKNS_13WebWheelEventE+0x79) [0x7f15a395d30d]
22  0x7f15a395d107 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(+0x535a107) [0x7f15a395d107]
23  0x7f15a395da16 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(+0x535aa16) [0x7f15a395da16]
24  0x7f15a352d56d /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZNK3WTF8FunctionIFvvEEclEv+0x37) [0x7f15a352d56d]
25  0x7f159b671a68 /home/mcatanzaro/Projects/GNOME/install/lib/libjavascriptcoregtk-4.0.so.18(_ZN3WTF7RunLoop11performWorkEv+0xce) [0x7f159b671a68]
26  0x7f159b6b88e8 /home/mcatanzaro/Projects/GNOME/install/lib/libjavascriptcoregtk-4.0.so.18(+0x25008e8) [0x7f159b6b88e8]
27  0x7f159b6b890c /home/mcatanzaro/Projects/GNOME/install/lib/libjavascriptcoregtk-4.0.so.18(+0x250090c) [0x7f159b6b890c]
28  0x7f159b6b8888 /home/mcatanzaro/Projects/GNOME/install/lib/libjavascriptcoregtk-4.0.so.18(+0x2500888) [0x7f159b6b8888]
29  0x7f159b6b88b7 /home/mcatanzaro/Projects/GNOME/install/lib/libjavascriptcoregtk-4.0.so.18(+0x25008b7) [0x7f159b6b88b7]
30  0x7f159399e2de /home/mcatanzaro/Projects/GNOME/install/lib/libglib-2.0.so.0(+0x542de) [0x7f159399e2de]
31  0x7f159399f160 /home/mcatanzaro/Projects/GNOME/install/lib/libglib-2.0.so.0(g_main_context_dispatch+0x33) [0x7f159399f160]

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