Commit abbee2ef authored by's avatar Committed by David S. Miller

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: default avatarAlexander Smirnov <>
Cc: Tony Cheneau <>
Signed-off-by: default avatarDavid S. Miller <>
parent 42884042
......@@ -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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