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BUG: KCSAN: data-race in __io_fill_cqe_req / io_wake_function

read-write to 0xffff88813892f250 of 4 bytes by task 25460 on cpu 1:
 io_get_cqe fs/io_uring.c:2229 [inline]
 __io_fill_cqe_req+0x242/0x5a0 fs/io_uring.c:2464
 __io_req_complete_post fs/io_uring.c:2568 [inline]
 io_req_complete_post fs/io_uring.c:2578 [inline]
 __io_req_complete fs/io_uring.c:2598 [inline]
 __io_complete_rw fs/io_uring.c:3467 [inline]
 kiocb_done+0x647/0x750 fs/io_uring.c:3706
 io_read fs/io_uring.c:4437 [inline]
 io_issue_sqe+0x7ffe/0xaa90 fs/io_uring.c:8329
 io_wq_submit_work+0x41b/0x590 fs/io_uring.c:8518
 io_worker_handle_work+0x517/0xc50 fs/io-wq.c:597
 io_wqe_worker+0x1d1/0x940 fs/io-wq.c:644
 ret_from_fork+0x1f/0x30

read to 0xffff88813892f250 of 4 bytes by task 25469 on cpu 0:
 io_should_wake fs/io_uring.c:9286 [inline]
 io_wake_function+0x36/0x100 fs/io_uring.c:9306
 __wake_up_common+0xbc/0x130 kernel/sched/wait.c:107
 __wake_up_common_lock kernel/sched/wait.c:137 [inline]
 __wake_up+0x80/0xc0 kernel/sched/wait.c:156
 io_cqring_wake fs/io_uring.c:2272 [inline]
 io_cqring_ev_posted fs/io_uring.c:2288 [inline]
 io_req_complete_post fs/io_uring.c:2581 [inline]
 __io_req_complete fs/io_uring.c:2598 [inline]
 __io_complete_rw fs/io_uring.c:3467 [inline]
 kiocb_done+0x72e/0x750 fs/io_uring.c:3706
 io_read fs/io_uring.c:4437 [inline]
 io_issue_sqe+0x7ffe/0xaa90 fs/io_uring.c:8329
 io_wq_submit_work+0x41b/0x590 fs/io_uring.c:8518
 io_worker_handle_work+0x517/0xc50 fs/io-wq.c:597
 io_wqe_worker+0x1d1/0x940 fs/io-wq.c:644
 ret_from_fork+0x1f/0x30

value changed: 0x000060f1 -> 0x000060f2

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 25469 Comm: iou-wrk-25438 Not tainted 5.19.0-rc3-syzkaller-00390-g82708bb1eb9e-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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