------------[ cut here ]------------ WARNING: CPU: 0 PID: 13 at ./include/linux/skbuff.h:1165 skb_dst_check_unset include/linux/skbuff.h:1164 [inline] WARNING: CPU: 0 PID: 13 at ./include/linux/skbuff.h:1165 skb_dst_set include/linux/skbuff.h:1211 [inline] WARNING: CPU: 0 PID: 13 at ./include/linux/skbuff.h:1165 nf_reject_fill_skb_dst+0x2a4/0x330 net/ipv4/netfilter/nf_reject_ipv4.c:234 Modules linked in: CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: ipv6_addrconf addrconf_dad_work RIP: 0010:skb_dst_check_unset include/linux/skbuff.h:1164 [inline] RIP: 0010:skb_dst_set include/linux/skbuff.h:1211 [inline] RIP: 0010:nf_reject_fill_skb_dst+0x2a4/0x330 net/ipv4/netfilter/nf_reject_ipv4.c:234 Code: 8b 0d 60 6e 8b 08 48 3b 8c 24 e0 00 00 00 75 5d 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 03 8a 67 01 cc e8 4d ca aa f7 90 <0f> 0b 90 e9 38 ff ff ff 44 89 f9 80 e1 07 fe c1 38 c1 0f 8c 2b fe RSP: 0018:ffffc90000007360 EFLAGS: 00010246 RAX: ffffffff8a14e1e3 RBX: ffff88802b2b7780 RCX: ffff88801cea8000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007490 R08: ffffffff8fa37c37 R09: 1ffffffff1f46f86 R10: dffffc0000000000 R11: fffffbfff1f46f87 R12: ffff88807bf10101 R13: dffffc0000000001 R14: 1ffff92000000e70 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffff4c0dba4 CR3: 000000000df36000 CR4: 00000000003526f0 Call Trace: nf_send_unreach+0x17b/0x6e0 net/ipv4/netfilter/nf_reject_ipv4.c:325 nft_reject_inet_eval+0x4bc/0x690 net/netfilter/nft_reject_inet.c:27 expr_call_ops_eval net/netfilter/nf_tables_core.c:237 [inline] nft_do_chain+0x40c/0x1920 net/netfilter/nf_tables_core.c:285 nft_do_chain_inet+0x25d/0x340 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline] nf_hook_slow+0xc5/0x220 net/netfilter/core.c:623 nf_hook include/linux/netfilter.h:273 [inline] NF_HOOK+0x206/0x3a0 include/linux/netfilter.h:316 __netif_receive_skb_one_core net/core/dev.c:5979 [inline] __netif_receive_skb+0x143/0x380 net/core/dev.c:6092 process_backlog+0x60e/