[PATCH net 2/3] tls: clear key material from kernel memory when do_tls_setsockopt_conf fails

[Sabrina Dubroca]

Fixes: 3c4d7559159b ("tls: kernel TLS support")
Signed-off-by: Sabrina Dubroca <s...@queasysnail.net>
---
 net/tls/tls_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index 180b6640e531..0d432d025471 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -499,7 +499,7 @@ static int do_tls_setsockopt_conf(struct sock *sk, char 
__user *optval,
        goto out;
 
 err_crypto_info:
-       memset(crypto_info, 0, sizeof(*crypto_info));
+       memzero_explicit(crypto_info, sizeof(struct 
tls12_crypto_info_aes_gcm_128));
 out:
        return rc;
 }
-- 
2.18.0