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(parent: a5f99be) | patch
ps2: check PS2Queue pointers in post_load routine
authorPrasad J Pandit <pjp@fedoraproject.org>
Thu, 16 Nov 2017 07:51:55 +0000 (13:21 +0530)
committerGerd Hoffmann <kraxel@redhat.com>
Mon, 29 Jan 2018 08:30:25 +0000 (09:30 +0100)
commit802cbcb73002b92e6ddc8464d39b668a71b78d74
treed41d5087948347becb6df7b634445c0fa32c5a71tree | snapshot
parenta5f99be41ee8d874ab63c4abf733c91a483a28d4commit | diff
ps2: check PS2Queue pointers in post_load routine

During Qemu guest migration, a destination process invokes ps2
post_load function. In that, if 'rptr' and 'count' values were
invalid, it could lead to OOB access or infinite loop issue.
Add check to avoid it.

Reported-by: Cyrille Chatras <cyrille.chatras@orange.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-id: 20171116075155.22378-1-ppandit@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
hw/input/ps2.c diff | blob | history
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