Hi, On Wed, Apr 03, 2019 at 08:34:16AM +0300, Dan Carpenter wrote: > NEXTHDR_MAX is 255. What happens here is that we take a u8 value > "hdr->nexthdr" from the network and then look it up in > lowpan_nexthdr_nhcs[]. The problem is that if hdr->nexthdr is 0xff then > we read one element beyond the end of the array so the array needs to > be one element larger. > > Fixes: 92aa7c65d295 ("6lowpan: add generic nhc layer interface") > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Acked-by: Alexander Aring <aring@xxxxxxxxxxxx> Thanks. - Alex