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* [PATCH] xfrm: fix xfrm_do_migrate() with AEAD e.g(AES-GCM)
@ 2017-12-07 20:54 Antony Antony
  2017-12-08  6:45 ` Steffen Klassert
  0 siblings, 1 reply; 2+ messages in thread
From: Antony Antony @ 2017-12-07 20:54 UTC (permalink / raw)
  To: Steffen Klassert, Herbert Xu; +Cc: netdev, David S . Miller, Antony Antony

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

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] xfrm: fix xfrm_do_migrate() with AEAD e.g(AES-GCM)
  2017-12-07 20:54 [PATCH] xfrm: fix xfrm_do_migrate() with AEAD e.g(AES-GCM) Antony Antony
@ 2017-12-08  6:45 ` Steffen Klassert
  0 siblings, 0 replies; 2+ messages in thread
From: Steffen Klassert @ 2017-12-08  6:45 UTC (permalink / raw)
  To: Antony Antony; +Cc: Herbert Xu, netdev, David S . Miller

On Thu, Dec 07, 2017 at 09:54:27PM +0100, Antony Antony wrote:
> 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>

Patch applied, thanks Antony!

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2017-12-07 20:54 [PATCH] xfrm: fix xfrm_do_migrate() with AEAD e.g(AES-GCM) Antony Antony
2017-12-08  6:45 ` Steffen Klassert

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