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esp6: fix memleak on error path in esp6_input

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commit 7284fdf39a upstream.

This ought to be an omission in e619492323 ("esp: Fix memleaks on error
paths."). The memleak on error path in esp6_input is similar to esp_input
of esp4.

Fixes: e619492323 ("esp: Fix memleaks on error paths.")
Fixes: 3f29770723 ("ipsec: check return value of skb_to_sgvec always")
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Zhen Lei
2018-06-27 11:49:28 +08:00
committed by Chris
parent ff3d12e370
commit 90c1d4fbb2
1 changed files with 3 additions and 1 deletions
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4
net/ipv6/esp6.c
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@@ -426,8 +426,10 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
sg_init_table(sg, nfrags);
ret = skb_to_sgvec(skb, sg, 0, skb->len);
if (unlikely(ret < 0))
if (unlikely(ret < 0)) {
kfree(tmp);
goto out;
}
aead_request_set_crypt(req, sg, sg, elen + ivlen, iv);
aead_request_set_ad(req, assoclen);