[cairo-bugs] [Bug 11734] New: XRender crashes due to NULL pointer from Cairo on SGI O2

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jul 26 11:28:41 PDT 2007


           Summary: XRender crashes due to NULL pointer from Cairo on SGI O2
           Product: cairo
           Version: 1.4.10
          Platform: SGI
        OS/Version: NetBSD
            Status: NEW
          Severity: critical
          Priority: medium
         Component: xlib backend
        AssignedTo: cworth at cworth.org
        ReportedBy: macallan at netbsd.org
         QAContact: cairo-bugs at cairographics.org

On an SGI O2 Cairo passes a NULL pointer as pixel format to
XRenderCreatePicture() which leads to a SEGFAULT. This is apparently triggered
by the O2's pixel format - it uses 32bit RGBA. To verify that I had a GTK2 app
running on the O2 open its window on a different machine which uses ARGB pixels
- no problem. The other way around, program running on a different machine
opening its display on the O2 - crash.
Other software doesn't seem to have this problem, KDE3, WindowMaker etc. work
The O2 is running NetBSD -current and XFree86.

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