- CN/Shanghai); eduma...@google.com; a...@fb.com;
> dan...@iogearbox.net; dipt...@fb.com; netdev@vger.kernel.org
> Cc: kernel-t...@fb.com
> Subject: Re: [PATCH net-next 1/2] net: permit skb_segment on head_frag
> frag_list skb
>
>
>
> On 3/19/18 10:30 PM, Yuan, Linyu (NSB -
...@fb.com; netdev@vger.kernel.org
Cc: kernel-t...@fb.com
Subject: [PATCH net-next 1/2] net: permit skb_segment on head_frag frag_list
skb
while (pos < offset + len) {
if (i >= nfrags) {
- BUG_ON(skb_headlen(li
org
> Cc: kernel-t...@fb.com
> Subject: [PATCH net-next 1/2] net: permit skb_segment on head_frag frag_list
> skb
>
>
> while (pos < offset + len) {
> if (i >= nfrags) {
> - BUG_ON(skb_headlen(list_skb));
One of our in-house projects, bpf-based NAT, hits a kernel BUG_ON at
function skb_segment(), line 3667. The bpf program attaches to
clsact ingress, calls bpf_skb_change_proto to change protocol
from ipv4 to ipv6 or from ipv6 to ipv4, and then calls bpf_redirect
to send the changed packet out.
3472
