[Webkit-unassigned] [Bug 147453] New: [GTK] Crash in WebKit::BackingStore::createBackend running under Wayland

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=147453

            Bug ID: 147453
           Summary: [GTK] Crash in WebKit::BackingStore::createBackend
                    running under Wayland
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (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

Created attachment 257848
  --> https://bugs.webkit.org/attachment.cgi?id=257848&action=review
backtrace

My development build of r187587 crashes 100% on start when running in Wayland, in the UI process. Backtrace attached.

In WebKit::BackingStore::createBackend, this call:

gdk_window_create_similar_surface(gtk_widget_get_window(m_webPageProxy.viewWidget())

is returning null.

I'm using GTK+ commit b5a684de6887d233304a009e5f0126dcac4dc36c.

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