[Pixman] [patch] fd.o bz# Bug 67484 - Corrupted CustomShape crashes Xorg

[Ritesh Khadgaray]

Hi

  Updated , the test case as a separate patch.

Thank you

On Mon, Oct 14, 2013 at 2:10 PM, Ritesh Khadgaray
<ritesh.khadgaray at canonical.com> wrote:
> Hi
>
>   If t->bottom is close to MIN_INT (probably invalid value),
> subtracting top can lead to underflow and crashes X.  Attached patch
> will fix the issue[1].   To test this, open the attached document[2].
> This has alos been posted to xorg list[3].
>
>
> [1] https://bugs.freedesktop.org/show_bug.cgi?id=67484
> [2] https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1197921
> [3] http://lists.x.org/archives/xorg-devel/2013-October/037996.html
>
>
> Cheers
> ritz
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