Hi Dan,
> 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 l
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 th
Hi Dan,
On Wed, 2019-04-03 at 08:34 +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
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: 92aa