syzbot ci [off-list ref] wrote:

syzbot ci has tested the following series

[v1] net: Convert to skb_dst_reset and skb_dst_restore
https://lore.kernel.org/all/20250812155245.507012-1-sdf@fomichev.me (local)
* [PATCH net-next 1/7] net: Add skb_dst_reset and skb_dst_restore
* [PATCH net-next 2/7] xfrm: Switch to skb_dst_reset to clear dst_entry
* [PATCH net-next 3/7] netfilter: Switch to skb_dst_reset to clear dst_entry
* [PATCH net-next 4/7] net: Switch to skb_dst_reset/skb_dst_restore for ip_route_input callers
* [PATCH net-next 5/7] staging: octeon: Convert to skb_dst_drop
* [PATCH net-next 6/7] chtls: Convert to skb_dst_reset
* [PATCH net-next 7/7] net: Add skb_dst_check_unset

and found the following issue:
WARNING in nf_reject_fill_skb_dst

Looks like a bug uncovered by this series.

I'll have a look.