[PATCH 1/3] tls: retrun the correct IV in getsockopt

[Boris Pismenny]

Current code returns four bytes of salt followed by four bytes of IV.
This patch returns all eight bytes of IV.

fixes: 3c4d7559159b ("tls: kernel TLS support")
Signed-off-by: Boris Pismenny <bor...@mellanox.com>
---
 net/tls/tls_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index b0d5fce..a6c3702 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -308,7 +308,8 @@ static int do_tls_getsockopt_tx(struct sock *sk, char 
__user *optval,
                        goto out;
                }
                lock_sock(sk);
-               memcpy(crypto_info_aes_gcm_128->iv, ctx->iv,
+               memcpy(crypto_info_aes_gcm_128->iv,
+                      ctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE,
                       TLS_CIPHER_AES_GCM_128_IV_SIZE);
                release_sock(sk);
                if (copy_to_user(optval,
-- 
1.8.3.1