syzbot

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BUG: KCSAN: data-race in io_wq_worker_running / io_wqe_enqueue

write to 0xffff88812734df04 of 4 bytes by task 6496 on cpu 1:
 io_wq_worker_running+0x60/0xa0 fs/io-wq.c:691
 schedule_timeout+0xc1/0x290 kernel/time/timer.c:1881
 io_wqe_worker+0x37d/0x540 fs/io-wq.c:659
 ret_from_fork+0x1f/0x30

read to 0xffff88812734df04 of 4 bytes by task 6490 on cpu 0:
 io_wqe_get_acct fs/io-wq.c:173 [inline]
 io_wqe_activate_free_worker fs/io-wq.c:272 [inline]
 io_wqe_enqueue+0x3f1/0x790 fs/io-wq.c:940
 io_wq_enqueue+0x31/0x40 fs/io-wq.c:973
 io_queue_async_work+0x228/0x470 fs/io_uring.c:1751
 io_queue_sqe_arm_apoll fs/io_uring.c:7589 [inline]
 __io_queue_sqe+0x317/0x460 fs/io_uring.c:7620
 io_queue_sqe fs/io_uring.c:7647 [inline]
 io_submit_sqe+0x7d2/0x4a63 fs/io_uring.c:7855
 io_submit_sqes+0x278/0x6c0 fs/io_uring.c:7961
 __do_sys_io_uring_enter fs/io_uring.c:11011 [inline]
 __se_sys_io_uring_enter+0x2a2/0xbe0 fs/io_uring.c:10937
 __x64_sys_io_uring_enter+0x74/0x80 fs/io_uring.c:10937
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x0000000d -> 0x0000000b

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 6490 Comm: syz-executor.4 Not tainted 5.18.0-rc1-syzkaller-00016-g3e732ebf7316-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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