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BUG: KCSAN: data-race in insert_work / wq_worker_running

read-write to 0xffff888237c2c8e4 of 4 bytes by task 32187 on cpu 0:
 wq_worker_running+0x98/0x120 kernel/workqueue.c:1071
 schedule_timeout+0xcc/0x230 kernel/time/timer.c:2167
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common+0xfa/0x1b0 kernel/sched/completion.c:117
 usb_start_wait_urb+0xdc/0x190 drivers/usb/core/message.c:63
 usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
 usb_control_msg+0x182/0x240 drivers/usb/core/message.c:153
 get_port_status drivers/usb/core/hub.c:584 [inline]
 hub_ext_port_status+0xb4/0x380 drivers/usb/core/hub.c:601
 usb_hub_port_status drivers/usb/core/hub.c:623 [inline]
 hub_port_debounce+0x1a8/0x210 drivers/usb/core/hub.c:4605
 hub_port_debounce_be_stable drivers/usb/core/hub.h:178 [inline]
 hub_port_connect drivers/usb/core/hub.c:5273 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5566 [inline]
 port_event drivers/usb/core/hub.c:5726 [inline]
 hub_event+0x13d4/0x2950 drivers/usb/core/hub.c:5808
 process_one_work+0x434/0x860 kernel/workqueue.c:2600
 worker_thread+0x5f2/0xa10 kernel/workqueue.c:2751
 kthread+0x1d7/0x210 kernel/kthread.c:389
 ret_from_fork+0x2e/0x40 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304

read to 0xffff888237c2c8e4 of 4 bytes by task 10840 on cpu 1:
 __need_more_worker kernel/workqueue.c:830 [inline]
 insert_work+0x10e/0x190 kernel/workqueue.c:1563
 __queue_work+0x722/0x980 kernel/workqueue.c:1717
 queue_work_on+0x95/0xf0 kernel/workqueue.c:1747
 wg_queue_enqueue_per_peer_tx+0x127/0x270 drivers/net/wireguard/queueing.h:188
 wg_packet_encrypt_worker+0x885/0xa30 drivers/net/wireguard/send.c:305
 process_one_work+0x434/0x860 kernel/workqueue.c:2600
 worker_thread+0x5f2/0xa10 kernel/workqueue.c:2751
 kthread+0x1d7/0x210 kernel/kthread.c:389
 ret_from_fork+0x2e/0x40 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304

value changed: 0x00000000 -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 10840 Comm: kworker/1:1 Not tainted 6.5.0-rc7-syzkaller-00104-g4f9e7fabf864 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: wg-crypt-wg1 wg_packet_encrypt_worker
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