From: Sabrina Dubroca <sd@queasysnail.net>
Date: Wed, 12 Sep 2018 17:44:43 +0200
Subject: tls: clear key material from kernel memory when
do_tls_setsockopt_conf fails
Patch-mainline: v4.19-rc5
Git-commit: c844eb46b7d43c2cf760169df5ae1d5b033af338
References: bsc#1109837
Fixes: 3c4d7559159b ("tls: kernel TLS support")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
net/tls/tls_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -509,7 +509,7 @@ static int do_tls_setsockopt_conf(struct
goto out;
err_crypto_info:
- memset(crypto_info, 0, sizeof(*crypto_info));
+ memzero_explicit(crypto_info, sizeof(union tls_crypto_context));
out:
return rc;
}