xfrm: Oops on error in pfkey_msg2xfrm_state()
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 14 Jun 2017 10:34:05 +0000 (13:34 +0300)
committerBen Hutchings <ben@decadent.org.uk>
Fri, 15 Sep 2017 17:30:54 +0000 (18:30 +0100)
commitf6f297642df7aeac0c5e323f9bc4f3fed0f8e09e
treeb42ef18cda66d64ed067f0a7d865f03e59586f74
parent96769d9b5c25e842da75f720f7dc7c619a64b29b
xfrm: Oops on error in pfkey_msg2xfrm_state()

commit 1e3d0c2c70cd3edb5deed186c5f5c75f2b84a633 upstream.

There are some missing error codes here so we accidentally return NULL
instead of an error pointer.  It results in a NULL pointer dereference.

Fixes: df71837d5024 ("[LSM-IPSec]: Security association restriction.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
net/key/af_key.c