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Message-Id: <1452902519-2754-40-git-send-email-kamal@canonical.com>
Date: Fri, 15 Jan 2016 15:57:33 -0800
From: Kamal Mostafa <kamal@...onical.com>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
kernel-team@...ts.ubuntu.com
Cc: Sabrina Dubroca <sd@...asysnail.net>,
"David S. Miller" <davem@...emloft.net>,
Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 4.2.y-ckt 039/305] macvlan: fix leak in macvlan_handle_frame
4.2.8-ckt2 -stable review patch. If anyone has any objections, please let me know.
---8<------------------------------------------------------------
From: Sabrina Dubroca <sd@...asysnail.net>
commit e639b8d8a7a728f0b05ef2df6cb6b45dc3d4e556 upstream.
Reset pskb in macvlan_handle_frame in case skb_share_check returned a
clone.
Fixes: 8a4eb5734e8d ("net: introduce rx_handler results and logic around that")
Signed-off-by: Sabrina Dubroca <sd@...asysnail.net>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
drivers/net/macvlan.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 9f59f17..2a815fb 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -415,6 +415,7 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb)
skb = ip_check_defrag(skb, IP_DEFRAG_MACVLAN);
if (!skb)
return RX_HANDLER_CONSUMED;
+ *pskb = skb;
eth = eth_hdr(skb);
macvlan_forward_source(skb, port, eth->h_source);
src = macvlan_hash_lookup(port, eth->h_source);
@@ -456,6 +457,7 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb)
goto out;
}
+ *pskb = skb;
skb->dev = dev;
skb->pkt_type = PACKET_HOST;
--
1.9.1
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