xfrm: Fix replay size checking on async events
We pass the wrong netlink attribute to xfrm_replay_verify_len().
It should be XFRMA_REPLAY_ESN_VAL and not XFRMA_REPLAY_VAL as
we currently doing. This causes memory corruptions if the
replay esn attribute has incorrect length. Fix this by passing
the right attribute to xfrm_replay_verify_len().
Reported-by: Michael Rossberg <michael.rossberg@tu-ilmenau.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 3f565e4..4b26cee 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1856,7 +1856,7 @@
if (x->km.state != XFRM_STATE_VALID)
goto out;
- err = xfrm_replay_verify_len(x->replay_esn, rp);
+ err = xfrm_replay_verify_len(x->replay_esn, re);
if (err)
goto out;