================================================================== BUG: KCSAN: data-race in io_sq_thread / io_uring_try_cancel_requests write to 0xffff88811b3af3f8 of 8 bytes by task 7162 on cpu 1: io_sq_thread+0xe68/0x10b0 io_uring/sqpoll.c:378 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 0xffff88811b3af3f8 of 8 bytes by task 36 on cpu 0: io_uring_try_cancel_requests+0x18d/0x340 io_uring/io_uring.c:3095 io_ring_exit_work+0x148/0x500 io_uring/io_uring.c:2897 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 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: 0xffff888102853180 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted 6.13.0-rc1-syzkaller-00378-g62b5a46999c7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: iou_exit io_ring_exit_work ==================================================================