kernel write not supported for file /input/event0 (pid: 12 comm: kworker/0:1) INFO: task syz-executor.4:10539 blocked for more than 143 seconds. Not tainted 5.10.56 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28616 pid:10539 ppid: 7514 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3776 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4525 schedule+0xcb/0x270 kernel/sched/core.c:4603 __io_uring_task_cancel+0x1ae/0x250 fs/io_uring.c:8896 io_uring_task_cancel include/linux/io_uring.h:46 [inline] bprm_execve+0x114/0x1b00 fs/exec.c:1789 do_execveat_common+0x621/0x7c0 fs/exec.c:1919 do_execveat fs/exec.c:1998 [inline] __do_sys_execveat fs/exec.c:2074 [inline] __se_sys_execveat fs/exec.c:2066 [inline] __x64_sys_execveat+0xed/0x130 fs/exec.c:2066 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x466609 RSP: 002b:00007f93d7a1e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000142 RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 0000000000466609 RDX: 0000000000000000 RSI: 0000000020000500 RDI: ffffffffffffffff RBP: 00000000004bfcb9 R08: 0000000000000400 R09: 0000000000000000 R10: 0000000020000680 R11: 0000000000000246 R12: 000000000056c038 R13: 00007fffd5058eaf R14: 00007f93d7a1e300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df6660 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6377 1 lock held by in:imklog/186: 2 locks held by rs:main Q:Reg/187: #0: ffff88800cc9f770 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930 #1: ffff88800eb7a438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658 =============================================