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BUG: KCSAN: data-race in io_sq_thread / io_sq_thread_park

write to 0xffff888104411e78 of 8 bytes by task 12112 on cpu 1:
 io_sq_thread+0xb0d/0xb90 io_uring/sqpoll.c:308
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

read to 0xffff888104411e78 of 8 bytes by task 30228 on cpu 0:
 io_sq_thread_park+0x1b/0x80 io_uring/sqpoll.c:45
 io_ring_exit_work+0x178/0x4f0 io_uring/io_uring.c:3037
 process_one_work+0x434/0x860 kernel/workqueue.c:2597
 worker_thread+0x5f2/0xa10 kernel/workqueue.c:2748
 kthread+0x1d7/0x210 kernel/kthread.c:389
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

value changed: 0xffff888108635140 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 30228 Comm: kworker/u4:12 Not tainted 6.4.0-syzkaller-12274-g5133c9e51de4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: events_unbound io_ring_exit_work
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