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BUG: KCSAN: data-race in kick_pool / wq_worker_running

read-write to 0xffff888237c29d24 of 4 bytes by task 1049 on cpu 0:
 wq_worker_running+0x95/0x120 kernel/workqueue.c:1400
 schedule_timeout+0xb7/0x170 kernel/time/sleep_timeout.c:99
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common+0xfa/0x1e0 kernel/sched/completion.c:127
 usb_start_wait_urb+0xd6/0x190 drivers/usb/core/message.c:64
 usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
 usb_control_msg+0x18f/0x250 drivers/usb/core/message.c:154
 get_port_status drivers/usb/core/hub.c:605 [inline]
 hub_ext_port_status+0xc0/0x480 drivers/usb/core/hub.c:622
 usb_hub_port_status drivers/usb/core/hub.c:672 [inline]
 port_event drivers/usb/core/hub.c:5728 [inline]
 hub_event+0x46c/0x2940 drivers/usb/core/hub.c:5917
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0x4ce/0x9d0 kernel/workqueue.c:3321
 worker_thread+0x582/0x770 kernel/workqueue.c:3402
 kthread+0x486/0x510 kernel/kthread.c:464
 ret_from_fork+0xda/0x150 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

read to 0xffff888237c29d24 of 4 bytes by task 18362 on cpu 1:
 need_more_worker kernel/workqueue.c:934 [inline]
 kick_pool+0x49/0x2d0 kernel/workqueue.c:1240
 __queue_work+0x8d6/0xb60 kernel/workqueue.c:2342
 queue_work_on+0xd1/0x160 kernel/workqueue.c:2392
 wg_queue_enqueue_per_device_and_peer drivers/net/wireguard/queueing.h:176 [inline]
 wg_packet_create_data drivers/net/wireguard/send.c:320 [inline]
 wg_packet_send_staged_packets+0x83d/0xab0 drivers/net/wireguard/send.c:388
 wg_packet_consume_data_done drivers/net/wireguard/receive.c:348 [inline]
 wg_packet_rx_poll+0xeaa/0x1160 drivers/net/wireguard/receive.c:474
 __napi_poll+0x66/0x3a0 net/core/dev.c:7414
 napi_threaded_poll_loop+0x18a/0x4a0 net/core/dev.c:7534
 napi_threaded_poll+0xda/0x160 net/core/dev.c:7561
 kthread+0x486/0x510 kernel/kthread.c:464
 ret_from_fork+0xda/0x150 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

value changed: 0x00000000 -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 18362 Comm: napi/wg0-0 Tainted: G        W           6.16.0-rc2-syzkaller-00378-gb67ec639010f #0 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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