[Webkit-unassigned] [Bug 164911] New: [GTK] UI process crash in WebKit::WaylandCompositor::Surface::prepareTextureForPainting

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=164911

            Bug ID: 164911
           Summary: [GTK] UI process crash in
                    WebKit::WaylandCompositor::Surface::prepareTextureForP
                    ainting
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at igalia.com
                CC: bugs-noreply at webkitgtk.org

UI process crash in WebKit::WaylandCompositor::Surface::prepareTextureForPainting. I have 39 reports of this:

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 WebKit::WaylandCompositor::Buffer::size at /usr/src/debug/webkitgtk-2.14.1/Source/WebKit2/UIProcess/gtk/WaylandCompositor.cpp:140
 #1 WebKit::WaylandCompositor::Surface::prepareTextureForPainting at /usr/src/debug/webkitgtk-2.14.1/Source/WebKit2/UIProcess/gtk/WaylandCompositor.cpp:217
 #2 WebKit::WaylandCompositor::getTexture at /usr/src/debug/webkitgtk-2.14.1/Source/WebKit2/UIProcess/gtk/WaylandCompositor.cpp:490
 #3 WebKit::AcceleratedBackingStoreWayland::paint at /usr/src/debug/webkitgtk-2.14.1/Source/WebKit2/UIProcess/gtk/AcceleratedBackingStoreWayland.cpp:93
 #4 webkitWebViewBaseDraw at /usr/src/debug/webkitgtk-2.14.1/Source/WebKit2/UIProcess/API/gtk/WebKitWebViewBase.cpp:539
 #5 gtk_widget_draw_internal at gtkwidget.c:7015
 #6 gtk_container_propagate_draw at gtkcontainer.c:3838
 #7 gtk_container_draw at gtkcontainer.c:3658
 #8 gtk_widget_draw_internal at gtkwidget.c:7015
 #9 gtk_container_propagate_draw at gtkcontainer.c:3838

|this| is null in WebKit::WaylandCompositor::Buffer::size. Full backtrace downstream.

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