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From: Antony Antony <antony@phenome.org>
To: Steffen Klassert <steffen.klassert@secunet.com>,
	Herbert Xu <herbert@gondor.apana.org.au>
Cc: netdev@vger.kernel.org, "David S . Miller" <davem@davemloft.net>,
	Antony Antony <antony@phenome.org>
Subject: [PATCH] xfrm: fix xfrm_do_migrate() with AEAD e.g(AES-GCM)
Date: Thu,  7 Dec 2017 21:54:27 +0100	[thread overview]
Message-ID: <20171207205427.53236-1-antony@phenome.org> (raw)

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>
---
 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 065d89606888..500b3391f474 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1343,6 +1343,7 @@ 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;
 	}
-- 
2.13.6

             reply	other threads:[~2017-12-07 20:54 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-07 20:54 Antony Antony [this message]
2017-12-08  6:45 ` [PATCH] xfrm: fix xfrm_do_migrate() with AEAD e.g(AES-GCM) Steffen Klassert

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