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tls: clear key material from kernel memory when do_tls_setsockopt_conf fails 

[ Upstream commit c844eb46b7 ]

Fixes: 3c4d755915 ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Sabrina Dubroca 2018-09-12 17:44:43 +02:00 committed by Greg Kroah-Hartman
parent 0c0334299a
commit 18fef87e05
1 changed files with 1 additions and 1 deletions
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2
net/tls/tls_main.c
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@ -425,7 +425,7 @@ static int do_tls_setsockopt_tx(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;
}