Commit d445ba61 authored Nov 15, 2011 by Dan Carpenter Committed by David S. Miller Nov 16, 2011

6LoWPAN: double free in lowpan_fragment_xmit()



dev_queue_xmit() consumes its own skb, so the call to dev_kfree_skb()
in lowpan_fragment_xmit() is a double free.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent daad6167

net/ieee802154/6lowpan.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -980,9 +980,6 @@ lowpan_fragment_xmit(struct sk_buff skb, u8 head,

		ret = dev_queue_xmit(frag);

		if (ret < 0)
		dev_kfree_skb(frag);

		return ret;
		}