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Message-Id: <20181025141423.213774-80-sashal@kernel.org>
Date:   Thu, 25 Oct 2018 10:14:05 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     stable@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Sabrina Dubroca <sd@...asysnail.net>,
        "David S . Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 4.9 80/98] macsec: fix memory leaks when skb_to_sgvec fails

From: Sabrina Dubroca <sd@...asysnail.net>

[ Upstream commit 5aba2ba5030b66a6f8c93049b718556f9aacd7c6 ]

Fixes: cda7ea690350 ("macsec: check return value of skb_to_sgvec always")
Signed-off-by: Sabrina Dubroca <sd@...asysnail.net>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/macsec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 365a48cfcbbf..653f0b185a68 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -744,6 +744,7 @@ static struct sk_buff *macsec_encrypt(struct sk_buff *skb,
 	sg_init_table(sg, ret);
 	ret = skb_to_sgvec(skb, sg, 0, skb->len);
 	if (unlikely(ret < 0)) {
+		aead_request_free(req);
 		macsec_txsa_put(tx_sa);
 		kfree_skb(skb);
 		return ERR_PTR(ret);
@@ -956,6 +957,7 @@ static struct sk_buff *macsec_decrypt(struct sk_buff *skb,
 	sg_init_table(sg, ret);
 	ret = skb_to_sgvec(skb, sg, 0, skb->len);
 	if (unlikely(ret < 0)) {
+		aead_request_free(req);
 		kfree_skb(skb);
 		return ERR_PTR(ret);
 	}
-- 
2.17.1

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