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BUG: KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests

write to 0xffff88812a8e64b8 of 8 bytes by task 11294 on cpu 0:
 io_sq_thread+0xa1a/0xab0 io_uring/sqpoll.c:307
 ret_from_fork+0x1f/0x30

read to 0xffff88812a8e64b8 of 8 bytes by task 11271 on cpu 1:
 io_uring_try_cancel_requests+0x163/0x2b0 io_uring/io_uring.c:2762
 io_ring_exit_work+0x7d/0x3f0 io_uring/io_uring.c:2574
 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: 0xffff888107744280 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 11271 Comm: kworker/u4:10 Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: events_unbound io_ring_exit_work
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