================================================================== BUG: KCSAN: data-race in __queue_work / wq_worker_running read-write to 0xffff888237d2abe0 of 4 bytes by task 3213 on cpu 1: wq_worker_running+0x96/0xe0 kernel/workqueue.c:880 schedule_timeout+0xc1/0x290 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+0x104/0x1c0 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+0x17e/0x240 drivers/usb/core/message.c:153 usb_clear_port_feature drivers/usb/core/hub.c:430 [inline] hub_activate+0x7ad/0x1150 drivers/usb/core/hub.c:1179 hub_resume+0x43/0x200 drivers/usb/core/hub.c:3944 usb_resume_interface drivers/usb/core/driver.c:1359 [inline] usb_resume_both+0x3d0/0x5b0 drivers/usb/core/driver.c:1519 usb_runtime_resume+0x1d/0x20 drivers/usb/core/driver.c:1977 __rpm_callback+0x2ae/0x750 drivers/base/power/runtime.c:392 rpm_callback drivers/base/power/runtime.c:446 [inline] rpm_resume+0xa81/0xec0 drivers/base/power/runtime.c:912 __pm_runtime_resume+0xd8/0xf0 drivers/base/power/runtime.c:1170 pm_runtime_get_sync include/linux/pm_runtime.h:429 [inline] usb_autoresume_device+0x20/0x60 drivers/usb/core/driver.c:1707 usb_remote_wakeup+0x42/0x90 drivers/usb/core/hub.c:3782 hcd_resume_work+0x21/0x30 drivers/usb/core/hcd.c:2393 process_one_work+0x3d3/0x720 kernel/workqueue.c:2289 worker_thread+0x618/0xa70 kernel/workqueue.c:2436 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 read to 0xffff888237d2abe0 of 4 bytes by interrupt on cpu 0: __need_more_worker kernel/workqueue.c:785 [inline] insert_work kernel/workqueue.c:1365 [inline] __queue_work+0x79e/0xa60 kernel/workqueue.c:1517 queue_work_on+0x7e/0xe0 kernel/workqueue.c:1545 wg_queue_enqueue_per_device_and_peer drivers/net/wireguard/queueing.h:179 [inline] wg_packet_consume_data drivers/net/wireguard/receive.c:526 [inline] wg_packet_receive+0xe70/0x1150 drivers/net/wireguard/receive.c:576 wg_receive+0x4a/0x70 drivers/net/wireguard/socket.c:326 udp_queue_rcv_one_skb+0x650/0x750 net/ipv4/udp.c:2164 udp_queue_rcv_skb+0x2d6/0x310 net/ipv4/udp.c:2241 udp_unicast_rcv_skb+0x198/0x1c0 net/ipv4/udp.c:2401 __udp4_lib_rcv+0xace/0xe90 net/ipv4/udp.c:2473 udp_rcv+0x4b/0x50 net/ipv4/udp.c:2655 ip_protocol_deliver_rcu+0x380/0x710 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x134/0x1a0 net/ipv4/ip_input.c:233 NF_HOOK include/linux/netfilter.h:302 [inline] ip_local_deliver+0x100/0x1b0 net/ipv4/ip_input.c:254 dst_input include/net/dst.h:454 [inline] ip_rcv_finish net/ipv4/ip_input.c:449 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] ip_rcv+0x1b1/0x260 net/ipv4/ip_input.c:569 __netif_receive_skb_one_core net/core/dev.c:5482 [inline] __netif_receive_skb+0x8b/0x1b0 net/core/dev.c:5596 process_backlog+0x23f/0x3b0 net/core/dev.c:5924 __napi_poll+0x65/0x390 net/core/dev.c:6485 napi_poll net/core/dev.c:6552 [inline] net_rx_action+0x37e/0x730 net/core/dev.c:6663 __do_softirq+0xf2/0x2c7 kernel/softirq.c:571 do_softirq+0xb1/0xf0 kernel/softirq.c:472 __local_bh_enable_ip+0x6f/0x80 kernel/softirq.c:396 __raw_read_unlock_bh include/linux/rwlock_api_smp.h:257 [inline] _raw_read_unlock_bh+0x17/0x20 kernel/locking/spinlock.c:284 wg_socket_send_skb_to_peer+0x107/0x120 drivers/net/wireguard/socket.c:184 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline] wg_packet_tx_worker+0x142/0x360 drivers/net/wireguard/send.c:276 process_one_work+0x3d3/0x720 kernel/workqueue.c:2289 worker_thread+0x618/0xa70 kernel/workqueue.c:2436 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 value changed: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted 6.2.0-rc2-syzkaller-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: wg-crypt-wg1 wg_packet_tx_worker ==================================================================