From: Simon Horman <[email protected]>
Date: Mon, 3 Apr 2017 15:42:58 -0400
> The last argument to __skb_header_pointer() should be a buffer large
> enough to store struct arphdr. This can be a pointer to a struct arphdr
> structure. The code was previously using a pointer to a pointer to
> struct arphdr.
>
> By my counting the storage available both before and after is 8 bytes on
> x86_64.
>
> Fixes: 55733350e5e8 ("flow disector: ARP support")
> Reported-by: Nicolas Iooss <[email protected]>
> Signed-off-by: Simon Horman <[email protected]>
Applied and queued up for -stable.
> this problem is present in both net, since v4.11-rc1 and net-next.
> However, the code has refactored in net-next. I expect this will result
> in a conflict. Let me know if you would like me to post a version for
> net-next too.
I'll sort out the merge hassles into net-next myself, thanks for
letting me know.