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(parent: 429b64a) | patch
packet: validate address length
authorWillem de Bruijn <willemb@google.com>
Fri, 21 Dec 2018 17:06:59 +0000 (12:06 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 13 Jan 2019 09:05:28 +0000 (10:05 +0100)
commit5b4dc608f82a7f2504619b3889334e0b621d84b5
tree081182235b5858a28136ae68944731430e7854b9tree | snapshot
parent429b64a9eb90b22c5000d008763b4cabf0db4fb5commit | diff
packet: validate address length

[ Upstream commit 99137b7888f4058087895d035d81c6b2d31015c5 ]

Packet sockets with SOCK_DGRAM may pass an address for use in
dev_hard_header. Ensure that it is of sufficient length.

Reported-by: syzbot <syzkaller@googlegroups.com>
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 | history
wrapfs-4.14.y