[Wayland-bugs] [Bug 93750] Xwayland crashes with SIGBUS when processing PutImage

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93750

            Bug ID: 93750
           Summary: Xwayland crashes with SIGBUS when processing PutImage
           Product: Wayland
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: XWayland
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: jadahl at gmail.com
        QA Contact: xorg-team at lists.x.org

Created attachment 121102
  --> https://bugs.freedesktop.org/attachment.cgi?id=121102&action=edit
Xwayland SIGBUS backtrace

Under certain circumstances Xwayland crashes with SIGBUS when processing
PutImage damage.

I can reproduce this by opening a large page in Firefox and scrolling up and
down by holding page up/down. It reproduces quite reliably.

See attachment for backtrace.

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