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authorSabrina Dubroca <sd@queasysnail.net>2018-09-12 17:44:43 +0200
committerDavid S. Miller <davem@davemloft.net>2018-09-13 21:03:47 +0200
commitc844eb46b7d43c2cf760169df5ae1d5b033af338 (patch)
tree909dc26b18e1ee20e6fcac8936b4bcaa1bfa9eeb
parenttls: zero the crypto information from tls_context before freeing (diff)
downloadlinux-c844eb46b7d43c2cf760169df5ae1d5b033af338.tar.xz
linux-c844eb46b7d43c2cf760169df5ae1d5b033af338.zip
tls: clear key material from kernel memory when do_tls_setsockopt_conf fails
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>
-rw-r--r--net/tls/tls_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index 737b3865be1b..523622dc74f8 100644
--- 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;
}