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BUG: KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests

write to 0xffff88811d595338 of 8 bytes by task 32215 on cpu 1:
 io_sq_thread+0xf8d/0x10b0 fs/io_uring.c:6911
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

read to 0xffff88811d595338 of 8 bytes by task 113 on cpu 0:
 io_uring_try_cancel_requests+0x2de/0x8e0 fs/io_uring.c:8945
 io_ring_exit_work+0x7c/0x1110 fs/io_uring.c:8735
 process_one_work+0x3e9/0x8f0 kernel/workqueue.c:2275
 worker_thread+0x636/0xae0 kernel/workqueue.c:2421
 kthread+0x1d0/0x1f0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 113 Comm: kworker/u4:2 Not tainted 5.12.0-syzkaller #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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