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,