Messages in this thread | | | Date | Thu, 03 May 2018 12:48:47 -0400 (EDT) | Subject | Re: [PATCH] bpf: fix possible spectre-v1 in find_and_alloc_map() | From | David Miller <> |
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From: Mark Rutland <mark.rutland@arm.com> Date: Thu, 3 May 2018 17:04:59 +0100
> It's possible for userspace to control attr->map_type. Sanitize it when > using it as an array index to prevent an out-of-bounds value being used > under speculation. > > Found by smatch. > > Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: David S. Miller <davem@davemloft.net>
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