------------[ cut here ]------------
WARNING: CPU: 0 PID: 11 at kernel/kthread.c:525 __kthread_bind_mask kernel/kthread.c:525 [inline]
WARNING: CPU: 0 PID: 11 at kernel/kthread.c:525 __kthread_bind kernel/kthread.c:538 [inline]
WARNING: CPU: 0 PID: 11 at kernel/kthread.c:525 kthread_unpark+0x16b/0x210 kernel/kthread.c:631
Modules linked in:
CPU: 0 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.12.0-rc1-syzkaller-00165-g360c1f1f24c6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: netns cleanup_net
RIP: 0010:__kthread_bind_mask kernel/kthread.c:525 [inline]
RIP: 0010:__kthread_bind kernel/kthread.c:538 [inline]
RIP: 0010:kthread_unpark+0x16b/0x210 kernel/kthread.c:631
Code: 00 fc ff df 41 0f b6 04 06 84 c0 0f 85 93 00 00 00 41 80 4d 03 04 4c 89 e7 48 8b 34 24 e8 3d e6 6e 0a eb 09 e8 76 a9 34 00 90 <0f> 0b 90 48 89 ef be 08 00 00 00 e8 45 5d 9e 00 f0 80 65 00 fb 4c
RSP: 0018:ffffc90000107760 EFLAGS: 00010293
RAX: ffffffff81602d6a RBX: 0000000000000000 RCX: ffff88801ceb3c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888056162e00 R08: ffffffff81602cf7 R09: 1ffffffff2858b1d
R10: dffffc0000000000 R11: fffffbfff2858b1e R12: 0000000000000001
R13: ffff88802d77802c R14: 1ffff11005aef005 R15: ffff88802d778000
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4ecf2a7bf9 CR3: 000000006c3c6000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 kthread_stop+0x17a/0x640 kernel/kthread.c:707
 destroy_workqueue+0x136/0xc40 kernel/workqueue.c:5842
 wg_destruct+0x1e2/0x2e0 drivers/net/wireguard/device.c:257
 netdev_run_todo+0xe1c/0x1000 net/core/dev.c:10809
 default_device_exit_batch+0xa24/0xaa0 net/core/dev.c:11949
 ops_exit_list net/core/net_namespace.c:178 [inline]
 cleanup_net+0x89f/0xcc0 net/core/net_namespace.c:626
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>