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(parent: 3ddf35c) | patch
packet: validate address length if non-zero
authorWillem de Bruijn <willemb@google.com>
Sat, 22 Dec 2018 21:53:45 +0000 (16:53 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 9 Jan 2019 15:16:40 +0000 (16:16 +0100)
commit84e1bfdecaaf52efa7da3a74a51f10facde6d95d
tree889d507756105e3bf98f078506100998aef8b293tree
parent3ddf35c6983b1878b5289829791d87437a8e0d32commit | diff
packet: validate address length if non-zero

[ Upstream commit 6b8d95f1795c42161dc0984b6863e95d6acf24ed ]

Validate packet socket address length if a length is given. Zero
length is equivalent to not setting an address.

Fixes: 99137b7888f4 ("packet: validate address length")
Reported-by: Ido Schimmel <idosch@idosch.org>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/packet/af_packet.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git