Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 075/496] tls: retrun the correct IV in getsockopt | Date | Mon, 28 May 2018 11:57:40 +0200 |
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4.14-stable review patch. If anyone has any objections, please let me know.
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From: Boris Pismenny <borisp@mellanox.com>
[ Upstream commit a1dfa6812b682eef750412dd5a90e7d38d7af068 ]
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 <borisp@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- net/tls/tls_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/net/tls/tls_main.c +++ b/net/tls/tls_main.c @@ -299,7 +299,8 @@ static int do_tls_getsockopt_tx(struct s 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,
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