From: Antony Antony <antony@phenome.org>
Subject: xfrm: fix xfrm_do_migrate() with AEAD e.g(AES-GCM)
Patch-mainline: v4.15-rc6
Git-commit: 75bf50f4aaa1c78d769d854ab3d975884909e4fb
References: git-fixes

copy geniv when cloning the xfrm state.

x->geniv was not copied to the new state and migration would fail.

xfrm_do_migrate
  ..
  xfrm_state_clone()
   ..
   ..
   esp_init_aead()
   crypto_alloc_aead()
    crypto_alloc_tfm()
     crypto_find_alg() return EAGAIN and failed

Signed-off-by: Antony Antony <antony@phenome.org>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Denis Kirjanov <dkirjanov@suse.com>
---
 net/xfrm/xfrm_state.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 09f0b34d963f..58c9d4b3fd0c 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1334,6 +1334,7 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig)
 
 	if (orig->aead) {
 		x->aead = xfrm_algo_aead_clone(orig->aead);
+		x->geniv = orig->geniv;
 		if (!x->aead)
 			goto error;
 	}
-- 
2.12.3