tls: clear key material from kernel memory when do_tls_setsockopt_con…

…f fails Fixes: 3c4d755 ("tls: kernel TLS support") Signed-off-by: Sabrina Dubroca <[email protected]> Signed-off-by: Sabrina Dubroca <[email protected]> Signed-off-by: David S. Miller <[email protected]>
jbg · Sep 13, 2018 · c844eb4 · c844eb4
1 parent 86029d1
commit c844eb4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
@@ -509,7 +509,7 @@ 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(union tls_crypto_context));
 out:
 	return rc;
 }