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Message-Id: <20230717095932.18677-1-machel@vivo.com>
Date: Mon, 17 Jul 2023 17:59:19 +0800
From: Wang Ming <machel@...o.com>
To: Steffen Klassert <steffen.klassert@...unet.com>,
Herbert Xu <herbert@...dor.apana.org.au>,
"David S. Miller" <davem@...emloft.net>,
David Ahern <dsahern@...nel.org>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: opensource.kernel@...o.com, Wang Ming <machel@...o.com>
Subject: [PATCH net v1] net: ipv4: Use kfree_sensitive instead of kfree
key might contain private part of the key, so better use
kfree_sensitive to free it.
Fixes: 38320c70d282 ("[IPSEC]: Use crypto_aead and authenc in ESP")
Signed-off-by: Wang Ming <machel@...o.com>
---
net/ipv4/esp4.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index ba06ed42e428..2be2d4922557 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -1132,7 +1132,7 @@ static int esp_init_authenc(struct xfrm_state *x,
err = crypto_aead_setkey(aead, key, keylen);
free_key:
- kfree(key);
+ kfree_sensitive(key);
error:
return err;
--
2.25.1
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