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(parent: d8c8434) | patch
cmd64x: potential buffer overflow in cmd64x_program_timings()
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 7 Jan 2020 13:04:41 +0000 (16:04 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 28 Feb 2020 14:42:35 +0000 (15:42 +0100)
commit60bea48fd40116fd60f5950f45bb35b450d70714
tree53a300660e140dcafab5d9c6d1c5b19d6391fecctree | snapshot
parentd8c8434dad4d524b80606d8c487808472dc010d3commit | diff
cmd64x: potential buffer overflow in cmd64x_program_timings()

[ Upstream commit 117fcc3053606d8db5cef8821dca15022ae578bb ]

The "drive->dn" value is a u8 and it is controlled by root only, but
it could be out of bounds here so let's check.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/ide/cmd64x.c diff | blob | history
Domain: System / Kernel;