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BUG: KCSAN: data-race in io_issue_sqe / io_uring_try_cancel_requests
write to 0xffff8881352a2490 of 8 bytes by task 27863 on cpu 0:
__list_add include/linux/list.h:70 [inline]
list_add include/linux/list.h:86 [inline]
io_iopoll_req_issued fs/io_uring.c:2758 [inline]
io_issue_sqe+0x6372/0x67b0 fs/io_uring.c:6765
io_wq_submit_work+0xf5/0x2c0 fs/io_uring.c:6800
io_worker_handle_work+0x788/0xa20 fs/io-wq.c:515
io_wqe_worker+0x1b9/0x540 fs/io-wq.c:566
ret_from_fork+0x1f/0x30
read to 0xffff8881352a2490 of 8 bytes by task 3181 on cpu 1:
list_empty_careful include/linux/list.h:319 [inline]
io_uring_try_cancel_requests+0x34e/0x870 fs/io_uring.c:9611
io_ring_exit_work+0x9f/0x1580 fs/io_uring.c:9397
process_one_work+0x402/0x910 kernel/workqueue.c:2297
worker_thread+0x636/0xae0 kernel/workqueue.c:2444
kthread+0x262/0x280 kernel/kthread.c:319
ret_from_fork+0x1f/0x30
value changed: 0xffff8881352a2488 -> 0xffff88812550b580
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 3181 Comm: kworker/u4:8 Tainted: G W 5.15.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound io_ring_exit_work
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