================================================================== BUG: KCSAN: data-race in io_sq_thread / io_sq_thread_park write to 0xffff8881081ae338 of 8 bytes by task 10616 on cpu 1: io_sq_thread+0xafc/0xbd0 fs/io_uring.c:8037 ret_from_fork+0x1f/0x30 read to 0xffff8881081ae338 of 8 bytes by task 698 on cpu 0: io_sq_thread_park+0x17/0x70 fs/io_uring.c:8481 io_ring_exit_work+0xa5/0x3cb fs/io_uring.c:10055 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 value changed: 0xffff888108718840 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 698 Comm: kworker/u4:62 Not tainted 5.18.0-rc2-syzkaller-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound io_ring_exit_work ==================================================================