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BUG: KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests

write to 0xffff8881075dfc38 of 8 bytes by task 29261 on cpu 1:
 io_sq_thread+0xc5f/0xd40 fs/io_uring.c:8162
 ret_from_fork+0x1f/0x30

read to 0xffff8881075dfc38 of 8 bytes by task 26844 on cpu 0:
 io_uring_try_cancel_requests+0x1ae/0x2fb fs/io_uring.c:10485
 io_ring_exit_work+0x82/0x3cb fs/io_uring.c:10281
 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: 0xffff8881418025c0 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 26844 Comm: kworker/u4:17 Not tainted 5.18.0-rc1-syzkaller-00184-g1831fed55973-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound io_ring_exit_work
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