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net: ipv4: Use kfree_sensitive instead of kfree

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key might contain private part of the key, so better use
kfree_sensitive to free it.

Fixes: 38320c70d2 ("[IPSEC]: Use crypto_aead and authenc in ESP")
Signed-off-by: Wang Ming <machel@vivo.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wang Ming 2023-07-17 17:59:19 +08:00 committed by David S. Miller
parent 7f5acea727
commit daa751444f
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/esp4.c
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@ -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;