================================================================== BUG: KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests write to 0xffff88814e9796f8 of 8 bytes by task 3498 on cpu 0: io_sq_thread+0xbd5/0xc50 io_uring/sqpoll.c:316 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 read to 0xffff88814e9796f8 of 8 bytes by task 13935 on cpu 1: io_uring_try_cancel_requests+0x1e4/0x680 io_uring/io_uring.c:3297 io_ring_exit_work+0x126/0x500 io_uring/io_uring.c:3058 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x5b8/0xa40 kernel/workqueue.c:2706 worker_thread+0x525/0x730 kernel/workqueue.c:2787 kthread+0x1d7/0x210 kernel/kthread.c:388 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 value changed: 0xffff88814e8c30c0 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 13935 Comm: kworker/u4:2 Not tainted 6.8.0-rc2-syzkaller-00055-g6764c317b6bb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Workqueue: events_unbound io_ring_exit_work ================================================================== Quota error (device loop1): do_check_range: Getting dqdh_entries 15 out of range 0-14