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

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commit 75bf50f4aaa1c78d769d854ab3d975884909e4fb upstream.

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>
Cc: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Antony Antony 2017-12-07 21:54:27 +01:00 committed by Greg Kroah-Hartman
parent 177a981885
commit ee551b8e00
1 changed files with 1 additions and 0 deletions
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net/xfrm/xfrm_state.c
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@ -1159,6 +1159,7 @@ 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;
}