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(parent: f04c43a) | patch
netlink: Use netlink header as base to calculate bad attribute offset
authorPablo Neira Ayuso <pablo@netfilter.org>
Wed, 26 Feb 2020 18:47:34 +0000 (19:47 +0100)
committerDavid S. Miller <davem@davemloft.net>
Sun, 1 Mar 2020 05:21:23 +0000 (21:21 -0800)
commit88316239d096822f8ce64588eae8805bca2d6b10
tree29a8587323b128b72d0629da76eb131b3f55ad05tree | snapshot
parentf04c43a58ee3f36f1ea3bbbc71a1edf0b7e17231commit | diff
netlink: Use netlink header as base to calculate bad attribute offset

Userspace might send a batch that is composed of several netlink
messages. The netlink_ack() function must use the pointer to the netlink
header as base to calculate the bad attribute offset.

Fixes: 3ec49c377cb6 ("netlink: extended ACK reporting")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/netlink/af_netlink.c diff | blob | history
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