Patch "macsec: fix memory leaks when skb_to_sgvec fails" has been added to the 4.13-stable tree

Patch "macsec: fix memory leaks when skb_to_sgvec fails" has been added to the 4.13-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    macsec: fix memory leaks when skb_to_sgvec fails

to the 4.13-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     macsec-fix-memory-leaks-when-skb_to_sgvec-fails.patch
and it can be found in the queue-4.13 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Wed Nov 15 17:25:34 CET 2017
From: Sabrina Dubroca <sd@queasysnail.net>
Date: Tue, 10 Oct 2017 17:07:12 +0200
Subject: macsec: fix memory leaks when skb_to_sgvec fails

From: Sabrina Dubroca <sd@queasysnail.net>


[ Upstream commit 5aba2ba5030b66a6f8c93049b718556f9aacd7c6 ]

Fixes: cda7ea690350 ("macsec: check return value of skb_to_sgvec always")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/macsec.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -742,6 +742,7 @@ static struct sk_buff *macsec_encrypt(st
 	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);
@@ -954,6 +955,7 @@ static struct sk_buff *macsec_decrypt(st
 	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);
 	}


Patches currently in stable-queue which might be from sd@queasysnail.net are

queue-4.13/macsec-fix-memory-leaks-when-skb_to_sgvec-fails.patch