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(parent: a35c9c1) | 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 16:38:33 +0000 (17:38 +0100)
commit4037ce1b28ca94b5b7952b3887777805197cb348
tree4e2a5ad7b957a32a5e8c2fba41759e9a2902a206tree | snapshot
parenta35c9c1712df97ec3cae9be876ac27814f47b0b6commit | 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 | history
Domain: System / Kernel;