RBP: 00007f15689211d0 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffed53dda9f R14: 00007f1568921300 R15: 0000000000022000 EXT4-fs (loop6): mounted filesystem without journal. Opts: ,errors=continue INFO: task syz-executor.3:9260 blocked for more than 143 seconds. Not tainted 5.10.45 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:27952 pid: 9260 ppid: 427 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3776 [inline] __schedule+0x83f/0x1e70 kernel/sched/core.c:4525 schedule+0xcb/0x270 kernel/sched/core.c:4603 io_uring_cancel_files fs/io_uring.c:8684 [inline] io_uring_cancel_task_requests+0xbc1/0x1260 fs/io_uring.c:8751 __io_uring_files_cancel+0x110/0x1b0 fs/io_uring.c:8833 io_uring_files_cancel include/linux/io_uring.h:51 [inline] do_exit+0x2f6/0x2780 kernel/exit.c:766 do_group_exit+0x125/0x310 kernel/exit.c:908 get_signal+0x469/0x2200 kernel/signal.c:2758 arch_do_signal+0x88/0x1a90 arch/x86/kernel/signal.c:789 exit_to_user_mode_loop kernel/entry/common.c:161 [inline] exit_to_user_mode_prepare+0xf7/0x160 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x38/0x230 kernel/entry/common.c:266 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x466609 RSP: 002b:00007f4154ad4188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa RAX: 0000000000000003 RBX: 000000000056bf80 RCX: 0000000000466609 RDX: 0000000000000000 RSI: 00000000000076d3 RDI: 0000000000000003 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffd32ff946f R14: 00007f4154ad4300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df64a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6261 2 locks held by in:imklog/185: #0: ffff88800ccabc70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930 #1: ffffffff84df64a0 (rcu_read_lock){....}-{1:2}, at: rq_lock kernel/sched/sched.h:1294 [inline] #1: ffffffff84df64a0 (rcu_read_lock){....}-{1:2}, at: __schedule+0x1d9/0x1e70 kernel/sched/core.c:4443 =============================================