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(parent: d717850) | patch
drm/nouveau: validate vbios size
authorMarcin Slusarz <marcin.slusarz@gmail.com>
Sun, 21 Oct 2012 23:59:20 +0000 (09:59 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Mon, 22 Oct 2012 02:26:46 +0000 (12:26 +1000)
commit96241391d66b2e42b8441a53c0d58c04ea1fe029
treea7fa743dbd353225e82d7bb029b8fcbe6743b3f0tree | snapshot
parentd717850fcd0ab04a52fc5172115a26fddd1292bacommit | diff
drm/nouveau: validate vbios size

Without checking, we could detect vbios size as 0, allocate 0-byte array
(kmalloc returns invalid pointer for such allocation) and crash in
nouveau_bios_score while checking for vbios signature.

Reported-by: Heinz Diehl <htd@fritha.org>
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/core/subdev/bios/base.c diff | blob | history
Linux Kernel Source Tree.