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BUG: KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests

write to 0xffff88810482b6f8 of 8 bytes by task 27759 on cpu 1:
 io_sq_thread+0xbd5/0xc50 io_uring/sqpoll.c:316
 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242

read to 0xffff88810482b6f8 of 8 bytes by task 19576 on cpu 0:
 io_uring_try_cancel_requests+0x1e4/0x680 io_uring/io_uring.c:3297
 io_ring_exit_work+0x126/0x500 io_uring/io_uring.c:3058
 process_one_work kernel/workqueue.c:2633 [inline]
 process_scheduled_works+0x5b8/0xa40 kernel/workqueue.c:2706
 worker_thread+0x525/0x730 kernel/workqueue.c:2787
 kthread+0x1d7/0x210 kernel/kthread.c:388
 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242

value changed: 0xffff8881074330c0 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 19576 Comm: kworker/u4:18 Not tainted 6.8.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: events_unbound io_ring_exit_work
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