On Fri, 19 Feb 2021 03:25:32 +0100 Jason A. Donenfeld wrote:
> This commit fixes the issue by passing an empty IPCB or IP6CB along to
> the functions that actually do the work. For the icmp_send, this was
> already trivial, thanks to __icmp_send providing the plumbing function.
> For icmpv6_send, t
On Thu, Feb 18, 2021 at 9:25 PM Jason A. Donenfeld wrote:
>
> The icmp{,v6}_send functions make all sorts of use of skb->cb, casting
> it with IPCB or IP6CB, assuming the skb to have come directly from the
> inet layer. But when the packet comes from the ndo layer, especially
> when forwarded, the
The icmp{,v6}_send functions make all sorts of use of skb->cb, casting
it with IPCB or IP6CB, assuming the skb to have come directly from the
inet layer. But when the packet comes from the ndo layer, especially
when forwarded, there's no telling what might be in skb->cb at that
point. As a result,
