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(parent: 8750939) | patch
devlink: validate length of region addr/len
authorJakub Kicinski <kuba@kernel.org>
Tue, 3 Mar 2020 05:05:12 +0000 (21:05 -0800)
committerDavid S. Miller <davem@davemloft.net>
Tue, 3 Mar 2020 21:28:48 +0000 (13:28 -0800)
commitff3b63b8c299b73ac599b120653b47e275407656
treee71ad398f27acf146bb2662be545beed64628fa8tree | snapshot
parent8750939b6ad86abc3f53ec8a9683a1cded4a5654commit | diff
devlink: validate length of region addr/len

DEVLINK_ATTR_REGION_CHUNK_ADDR and DEVLINK_ATTR_REGION_CHUNK_LEN
lack entries in the netlink policy. Corresponding nla_get_u64()s
may read beyond the end of the message.

Fixes: 4e54795a27f5 ("devlink: Add support for region snapshot read command")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/devlink.c diff | blob | history
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