rsi_91x: rsi_probe: Initialized os intf ops
rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71
==================================================================
BUG: KCSAN: data-race in exit_signals / kthread_unpark

write to 0xffff88809ed36024 of 4 bytes by task 10610 on cpu 0:
 exit_signals+0x124/0x580 kernel/signal.c:2845
 do_exit+0x19a/0x16c0 kernel/exit.c:762
 complete_and_exit+0x35/0x40 kernel/exit.c:866
 rsi_coex_scheduler_thread+0x257/0x260 drivers/net/wireless/rsi/rsi_91x_coex.c:66
 kthread+0x20d/0x230 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

read to 0xffff88809ed36024 of 4 bytes by task 3446 on cpu 1:
 to_kthread kernel/kthread.c:83 [inline]
 kthread_unpark+0x1f/0x150 kernel/kthread.c:511
 kthread_stop+0xa3/0x310 kernel/kthread.c:594
 rsi_kill_thread drivers/net/wireless/rsi/rsi_common.h:78 [inline]
 rsi_coex_detach+0x63/0xa0 drivers/net/wireless/rsi/rsi_91x_coex.c:174
 rsi_91x_deinit+0x139/0x180 drivers/net/wireless/rsi/rsi_91x_main.c:400
 rsi_probe+0x878/0xdb0 drivers/net/wireless/rsi/rsi_91x_usb.c:856
 usb_probe_interface+0x47e/0x6c0 drivers/usb/core/driver.c:374
 really_probe+0x4ee/0xb70 drivers/base/dd.c:557
 driver_probe_device+0xcc/0x120 drivers/base/dd.c:738
 __device_attach_driver+0x255/0x290 drivers/base/dd.c:844
 bus_for_each_drv+0xd8/0x140 drivers/base/bus.c:431
 __device_attach+0x1a0/0x290 drivers/base/dd.c:912
 device_initial_probe+0x16/0x20 drivers/base/dd.c:959
 bus_probe_device+0x7a/0x140 drivers/base/bus.c:491
 device_add+0x1178/0x12e0 drivers/base/core.c:2930
 usb_set_configuration+0x10bd/0x1390 drivers/usb/core/message.c:2032
 usb_generic_driver_probe+0x54/0xd0 drivers/usb/core/generic.c:239
 usb_probe_device+0xf3/0x160 drivers/usb/core/driver.c:272
 really_probe+0x4ee/0xb70 drivers/base/dd.c:557
 driver_probe_device+0xcc/0x120 drivers/base/dd.c:738
 __device_attach_driver+0x255/0x290 drivers/base/dd.c:844
 bus_for_each_drv+0xd8/0x140 drivers/base/bus.c:431
 __device_attach+0x1a0/0x290 drivers/base/dd.c:912
 device_initial_probe+0x16/0x20 drivers/base/dd.c:959
 bus_probe_device+0x7a/0x140 drivers/base/bus.c:491
 device_add+0x1178/0x12e0 drivers/base/core.c:2930
 usb_new_device+0x89f/0xc60 drivers/usb/core/hub.c:2554
 hub_port_connect drivers/usb/core/hub.c:5208 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]
 port_event drivers/usb/core/hub.c:5494 [inline]
 hub_event+0x1d78/0x2bd0 drivers/usb/core/hub.c:5576
 process_one_work+0x3e1/0x9a0 kernel/workqueue.c:2269
 worker_thread+0x665/0xbe0 kernel/workqueue.c:2415
 kthread+0x20d/0x230 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 3446 Comm: kworker/1:2 Not tainted 5.9.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
==================================================================