Huawei Technologies Co., Ltd 1249fe43dc ati: check x y display parameter values
fix CVE-2020-24352

The source and destination x,y display parameters in ati_2d_blt()
may run off the vga limits if either of s->regs.[src|dst]_[xy] is
zero. Check the parameter values to avoid potential crash.

Reported-by: Gaoning Pan <pgn@zju.edu.cn>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-id: 20201021103818.1704030-1-ppandit@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

cherry-pick from commit ca1f9cbfdce4d63b10d57de80fef89a89d92a540
Signed-off-by: Jiajie Li <lijiajie11@huawei.com>
2020-11-23 16:27:15 +08:00
2019-11-06 19:50:55 +08:00
2019-09-30 11:15:46 -04:00
2019-09-30 11:15:46 -04:00
2020-06-01 09:13:38 +00:00
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