Commit abbee2ef authored Jul 10, 2012 by alex.bluesman.smirnov@gmail.com Committed by David S. Miller Jul 12, 2012

6lowpan: fix tag variable size



Function lowpan_alloc_new_frame() takes u8 tag as an argument. However,
its only caller, lowpan_process_data() passes down a u16. Hence,
the tag value can get corrupted. This prevent 6lowpan fragment reassembly of a
message when the fragment tag value is over 256.

Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Cc: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 42884042

net/ieee802154/6lowpan.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -646,7 +646,7 @@ static void lowpan_fragment_timer_expired(unsigned long entry_addr)
		}

		static struct lowpan_fragment *
		lowpan_alloc_new_frame(struct sk_buff *skb, u8 iphc0, u8 len, u8 tag)
		lowpan_alloc_new_frame(struct sk_buff *skb, u8 iphc0, u8 len, u16 tag)
		{
		struct lowpan_fragment *frame;

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