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BUG: KCSAN: data-race in io_wq_activate_free_worker / io_wq_worker_running

write to 0xffff888163294004 of 4 bytes by task 16492 on cpu 1:
 io_wq_worker_running+0x64/0xa0 io_uring/io-wq.c:668
 schedule_timeout+0xcc/0x230 kernel/time/timer.c:2167
 io_wq_worker+0x4b2/0x840 io_uring/io-wq.c:633
 ret_from_fork+0x2e/0x40 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304

read to 0xffff888163294004 of 4 bytes by task 16471 on cpu 0:
 io_wq_get_acct io_uring/io-wq.c:168 [inline]
 io_wq_activate_free_worker+0xfa/0x280 io_uring/io-wq.c:267
 io_wq_enqueue+0x262/0x450 io_uring/io-wq.c:914
 io_queue_iowq+0x1d1/0x310 io_uring/io_uring.c:514
 io_req_task_submit+0xf4/0x130 io_uring/io_uring.c:1484
 handle_tw_list io_uring/io_uring.c:1195 [inline]
 tctx_task_work+0x1a5/0x460 io_uring/io_uring.c:1287
 task_work_run+0x135/0x1a0 kernel/task_work.c:179
 get_signal+0xe6a/0xff0 kernel/signal.c:2657
 arch_do_signal_or_restart+0x89/0x2a0 arch/x86/kernel/signal.c:308
 exit_to_user_mode_loop+0x6f/0xe0 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x6c/0xb0 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x0000000d -> 0x0000000b

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 16471 Comm: syz-executor.0 Not tainted 6.5.0-rc7-syzkaller-00013-g53663f4103ff #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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