netdev - [PATCH wpan 02/17] net: ieee802154: fix memory leak when deliver monitor skbs

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Date:   Sun, 28 Feb 2021 10:18:02 -0500
From:   Alexander Aring <aahringo@...hat.com>
To:     stefan@...enfreihafen.org
Cc:     linux-wpan@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH wpan 02/17] net: ieee802154: fix memory leak when deliver monitor skbs

This patch adds a missing consume_skb() when deliver a skb to upper
monitor interfaces of a wpan phy.

Reported-by: syzbot+44b651863a17760a893b@...kaller.appspotmail.com
Signed-off-by: Alexander Aring <aahringo@...hat.com>
---
 net/mac802154/rx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/mac802154/rx.c b/net/mac802154/rx.c
index b8ce84618a55..18abc1f49323 100644
--- a/net/mac802154/rx.c
+++ b/net/mac802154/rx.c
@@ -244,6 +244,8 @@ ieee802154_monitors_rx(struct ieee802154_local *local, struct sk_buff *skb)
 			sdata->dev->stats.rx_bytes += skb->len;
 		}
 	}
+
+	consume_skb(skb);
 }
 
 void ieee802154_rx(struct ieee802154_local *local, struct sk_buff *skb)
-- 
2.26.2