From: Antony Antony <antony@phenome.org>
Date: Thu, 7 Dec 2017 20:54:27 +0000 (+0100)
Subject: xfrm: fix xfrm_do_migrate() with AEAD e.g(AES-GCM)
X-Git-Tag: v5.15~9741^2~7^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=75bf50f4aaa1c78d769d854ab3d975884909e4fb;p=platform%2Fkernel%2Flinux-starfive.git

xfrm: fix xfrm_do_migrate() with AEAD e.g(AES-GCM)

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>
---

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 1f5cee2..88d0a563 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1344,6 +1344,7 @@ 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;
 	}