netdev - [PATCH ipsec-next v1] xfrm: delete not-needed clear to zero of encap

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Message-Id: <1cd4aeb4a84ecb26171dbb90dc8300a0d71e0921.1686046811.git.leon@kernel.org>
Date: Tue,  6 Jun 2023 13:23:06 +0300
From: Leon Romanovsky <leon@...nel.org>
To: Steffen Klassert <steffen.klassert@...unet.com>
Cc: Leon Romanovsky <leonro@...dia.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Jakub Kicinski <kuba@...nel.org>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>
Subject: [PATCH ipsec-next v1] xfrm: delete not-needed clear to zero of encap_oa

From: Leon Romanovsky <leonro@...dia.com>

After commit 2f4796518315 ("af_key: Fix heap information leak"), there is
no need to clear encap_oa again as it is already initialized to zero.

Signed-off-by: Leon Romanovsky <leonro@...dia.com>
---
Changelog:
v1:
 * Restored "uep->encap_oa = ep->encap_oa;" hunk in copy_to_user_encap()
v0: https://lore.kernel.org/all/1ed3e00428a0036bdea14eb4f5a45706a89f11eb.1685952635.git.leon@kernel.org
---
 net/key/af_key.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/key/af_key.c b/net/key/af_key.c
index 31ab12fd720a..14e891ebde61 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1281,7 +1281,6 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
 				ext_hdrs[SADB_X_EXT_NAT_T_DPORT-1];
 			natt->encap_dport = n_port->sadb_x_nat_t_port_port;
 		}
-		memset(&natt->encap_oa, 0, sizeof(natt->encap_oa));
 	}
 
 	err = xfrm_init_state(x);
-- 
2.40.1