================================================================== BUG: KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests write to 0xffff8881159fe0f8 of 8 bytes by task 15261 on cpu 1: io_sq_thread+0xccf/0xef0 io_uring/sqpoll.c:373 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read to 0xffff8881159fe0f8 of 8 bytes by task 11466 on cpu 0: io_uring_try_cancel_requests+0x1e8/0x570 io_uring/io_uring.c:3308 io_ring_exit_work+0x126/0x500 io_uring/io_uring.c:3069 process_one_work kernel/workqueue.c:3267 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348 worker_thread+0x526/0x730 kernel/workqueue.c:3429 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0xffff888138e66300 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 11466 Comm: kworker/u8:67 Tainted: G W 6.9.0-rc6-syzkaller-00053-g0106679839f7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: iou_exit io_ring_exit_work ================================================================== vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device