================================================================== BUG: KCSAN: data-race in io_sq_thread / io_sq_thread_park write to 0xffff88812674b9f8 of 8 bytes by task 18605 on cpu 0: io_sq_thread+0xa2a/0xac0 fs/io_uring.c:9272 ret_from_fork+0x1f/0x30 read to 0xffff88812674b9f8 of 8 bytes by task 36 on cpu 1: io_sq_thread_park+0x17/0x70 fs/io_uring.c:9757 io_ring_exit_work+0xa5/0x3cb fs/io_uring.c:11293 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: 0xffff88812869aac0 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 36 Comm: kworker/u4:2 Not tainted 5.19.0-rc6-syzkaller-00418-g972a278fe60c-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Workqueue: events_unbound io_ring_exit_work ==================================================================