------------[ cut here ]------------
WARNING: CPU: 1 PID: 39 at ./include/linux/skbuff.h:1165 skb_dst_check_unset include/linux/skbuff.h:1164 [inline]
WARNING: CPU: 1 PID: 39 at ./include/linux/skbuff.h:1165 skb_dst_set include/linux/skbuff.h:1211 [inline]
WARNING: CPU: 1 PID: 39 at ./include/linux/skbuff.h:1165 nf_reject6_fill_skb_dst net/ipv6/netfilter/nf_reject_ipv6.c:264 [inline]
WARNING: CPU: 1 PID: 39 at ./include/linux/skbuff.h:1165 nf_send_unreach6+0x473/0x4e0 net/ipv6/netfilter/nf_reject_ipv6.c:401
Modules linked in:
CPU: 1 UID: 0 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: wg-crypt-wg0 wg_packet_tx_worker
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_reject6_fill_skb_dst net/ipv6/netfilter/nf_reject_ipv6.c:264 [inline]
RIP: 0010:nf_send_unreach6+0x473/0x4e0 net/ipv6/netfilter/nf_reject_ipv6.c:401
Code: 66 45 85 e4 74 0a e8 7c b2 d7 fd e9 1d fe ff ff e8 72 b2 d7 fd e9 83 fc ff ff e8 68 b2 d7 fd e9 79 fc ff ff e8 5e b2 d7 fd 90 <0f> 0b 90 e9 a0 fd ff ff 48 85 db 74 3a 4c 8d 6c 24 28 48 89 df 44
RSP: 0018:ffffc900000e0a40 EFLAGS: 00010246
RAX: ffffffff838a3532 RBX: ffff8881161ea800 RCX: ffff888102aab780
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000100 R12: ffff888114929e01
R13: 00000000000000fc R14: 0000000000000000 R15: ffff88811deaac00
FS:  0000000000000000(0000) GS:ffff8882b151c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f21323c6f98 CR3: 00000001149a2000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 nft_reject_inet_eval+0x14e/0x190 net/netfilter/nft_reject_inet.c:-1
 expr_call_ops_eval net/netfilter/nf_tables_core.c:237 [inline]
 nft_do_chain+0x28b/0xaf0 net/netfilter/nf_tables_core.c:285
 nft_do_chain_inet+0x15a/0x180 net/netfilter/nft_chain_filter.c:161
 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
 nf_hook_slow+0x5b/0x170 net/netfilter/core.c:623
 nf_hook include/linux/netfilter.h:273 [inline]
 NF_HOOK include/linux/netfilter.h:316 [inline]
 ipv6_rcv+0x110/0x160 net/ipv6/ip6_input.c:311
 __netif_receive_skb_one_core net/core/dev.c:5979 [inline]
 __netif_receive_skb+0x80/0x200 net/core/dev.c:6092
 process_backlog+0x275/0x7b0 net/core/dev.c:6444
 __napi_poll+0x48/0x1c0 net/core/dev.c:7494
 napi_poll net/core/dev.c:7557 [inline]
 net_rx_action+0x2de/0x610 net/core/dev.c:7684
 handle_softirqs+0x10f/0x390 kernel/softirq.c:579
 do_softirq+0x85/0xf0 kernel/softirq.c:480
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x7f/0x90 kernel/softirq.c:407
 wg_socket_send_skb_to_peer+0xd8/0x100 drivers/net/wireguard/socket.c:184
 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline]
 wg_packet_tx_worker+0xf2/0x2f0 drivers/net/wireguard/send.c:276
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0x462/0xa80 kernel/workqueue.c:3319
 worker_thread+0x313/0x4c0 kernel/workqueue.c:3400
 kthread+0x33f/0x3d0 kernel/kthread.c:463
 ret_from_fork+0x139/0x2b0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>