------------[ cut here ]------------
kernel BUG at net/ipv6/route.c:1473!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 11027 Comm: kworker/1:5 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: wg-kex-wg0 wg_packet_handshake_receive_worker
RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1473 [inline]
RIP: 0010:ip6_pol_route+0x117d/0x1180 net/ipv6/route.c:2305
Code: 9d f8 e9 f4 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fb ff ff 48 89 df e8 6e 74 9d f8 e9 f6 fa ff ff e8 64 3c 3b f8 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e
RSP: 0018:ffffc900061df0e0 EFLAGS: 00010293
RAX: ffffffff89846fcc RBX: ffff888126def000 RCX: ffff8880301cbc80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900061df1f0 R08: ffffe8ffffd3bae7 R09: 1ffffd1ffffa775c
R10: dffffc0000000000 R11: fffff91ffffa775d R12: ffff88802a1e9c80
R13: ffffffff89845fb2 R14: dffffc0000000000 R15: 0000607ed8f4cae0
FS:  0000000000000000(0000) GS:ffff888126def000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055faa247b950 CR3: 0000000037c92000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ip6_route_output_flags_noref net/ipv6/route.c:2684 [inline]
 ip6_route_output_flags+0x364/0x5d0 net/ipv6/route.c:2696
 ip6_dst_lookup_tail+0x299/0x1510 net/ipv6/ip6_output.c:1169
 ip6_dst_lookup_flow+0x47/0xe0 net/ipv6/ip6_output.c:1272
 send6+0x4ce/0x8d0 drivers/net/wireguard/socket.c:139
 wg_socket_send_skb_to_peer+0x128/0x200 drivers/net/wireguard/socket.c:178
 wg_packet_send_handshake_response+0x195/0x2d0 drivers/net/wireguard/send.c:103
 wg_receive_handshake_packet drivers/net/wireguard/receive.c:154 [inline]
 wg_packet_handshake_receive_worker+0x6a6/0xf90 drivers/net/wireguard/receive.c:213
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1473 [inline]
RIP: 0010:ip6_pol_route+0x117d/0x1180 net/ipv6/route.c:2305
Code: 9d f8 e9 f4 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fb ff ff 48 89 df e8 6e 74 9d f8 e9 f6 fa ff ff e8 64 3c 3b f8 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e
RSP: 0018:ffffc900061df0e0 EFLAGS: 00010293
RAX: ffffffff89846fcc RBX: ffff888126def000 RCX: ffff8880301cbc80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900061df1f0 R08: ffffe8ffffd3bae7 R09: 1ffffd1ffffa775c
R10: dffffc0000000000 R11: fffff91ffffa775d R12: ffff88802a1e9c80
R13: ffffffff89845fb2 R14: dffffc0000000000 R15: 0000607ed8f4cae0
FS:  0000000000000000(0000) GS:ffff888126def000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055faa247b950 CR3: 000000004ebbc000 CR4: 00000000003526f0