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(parent: 781e26a) | 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>
Wed, 9 Jan 2019 16:38:33 +0000 (17:38 +0100)
commita35c9c1712df97ec3cae9be876ac27814f47b0b6
tree05b7dd9817cca8904e1f3e2a2a9976aad41b0c6atree | snapshot
parent781e26adfdea4e580e04247718010fcedfb9c715commit | 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
Domain: System / Kernel;