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ati: check x y display parameter values
authorPrasad J Pandit <pjp@fedoraproject.org>
Wed, 21 Oct 2020 10:38:18 +0000 (16:08 +0530)
committerGerd Hoffmann <kraxel@redhat.com>
Wed, 4 Nov 2020 07:25:17 +0000 (08:25 +0100)
commitca1f9cbfdce4d63b10d57de80fef89a89d92a540
treef31d58ba6405f3958a29ab295ad15b0d78b3a7d8tree | snapshot
parent2ddafce7f797082ad216657c830afd4546f16e37commit | diff
ati: check x y display parameter values

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>
hw/display/ati_2d.c diff | blob | history
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