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
validate.patch
Description: Binary data
plantage-mai-only-empty.ods
Description: application/vnd.oasis.opendocument.spreadsheet
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