INFO: task syz-executor.4:23672 blocked for more than 143 seconds. Not tainted 6.10.0-rc1-syzkaller-00267-gcc8ed4d0a848 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:27168 pid:23672 tgid:23672 ppid:17274 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0xf15/0x5d00 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6837 schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2557 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x3de/0x5f0 kernel/sched/completion.c:116 __flush_work+0x5bd/0xc60 kernel/workqueue.c:4211 __cancel_work_sync+0x10c/0x130 kernel/workqueue.c:4331 uhid_dev_destroy drivers/hid/uhid.c:584 [inline] uhid_char_release+0xca/0x210 drivers/hid/uhid.c:662 __fput+0x408/0xbb0 fs/file_table.c:422 __fput_sync+0x47/0x50 fs/file_table.c:507 __do_sys_close fs/open.c:1555 [inline] __se_sys_close fs/open.c:1540 [inline] __x64_sys_close+0x86/0x100 fs/open.c:1540 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff689e7bdda RSP: 002b:00007fffe8f61e20 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff689e7bdda RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: ffffffffffffffff R08: 00007ff689e00000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000293 R12: 00007ff689fb3fa0 R13: 00007ff689fb3fac R14: 0000000000000032 R15: 00007ff689fb59a0 Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffffffff8dbb18e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #0: ffffffff8dbb18e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #0: ffffffff8dbb18e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614 2 locks held by kworker/u8:2/35: 2 locks held by getty/4847: #0: ffff88802e88a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc90002f062f0 (&ldata->atomic_read_lock ){+.+.}-{3:3} , at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2201 2 locks held by syz-fuzzer/5078: 3 locks held by kworker/0:3/5159: 1 lock held by syz-executor.2/5272: 1 lock held by syz-executor.1/5583: 3 locks held by kworker/0:0/17504: 3 loc