INFO: task syz-executor100:5074 blocked for more than 143 seconds.
      Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor100 state:D
 stack:26008 pid:5074  tgid:5074  ppid:5072   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2548
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
 __flush_work+0xa7b/0xc90 kernel/workqueue.c:4205
 __cancel_work_sync+0x330/0x6d0 kernel/workqueue.c:4304
 uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
 uhid_char_release+0xaf/0x600 drivers/hid/uhid.c:662
 __fput+0x429/0x8a0 fs/file_table.c:422
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa1b/0x27e0 kernel/exit.c:878
 do_group_exit+0x207/0x2c0 kernel/exit.c:1027
 __do_sys_exit_group kernel/exit.c:1038 [inline]
 __se_sys_exit_group kernel/exit.c:1036 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f6b60d799a9
RSP: 002b:00007ffc3c71acf8 EFLAGS: 00000246
 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6b60d799a9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f6b60ded290 R08: ffffffffffffffb8 R09: 00007f6b60dbd09e
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6b60ded290
R13: 0000000000000000 R14: 00007f6b60dedd00 R15: 00007f6b60d43120
 </TASK>
INFO: task syz-executor100:5081 blocked for more than 145 seconds.
      Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor100 state:D
 stack:26032 pid:5081  tgid:5081  ppid:5079   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2548
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
 __flush_work+0xa7b/0xc90 kernel/workqueue.c:4205
 __cancel_work_sync+0x330/0x6d0 kernel/workqueue.c:4304
 uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
 uhid_char_release+0xaf/0x600 drivers/hid/uhid.c:662
 __fput+0x429/0x8a0 fs/file_table.c:422
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa1b/0x27e0 kernel/exit.c:878
 do_group_exit+0x207/0x2c0 kernel/exit.c:1027
 __do_sys_exit_group kernel/exit.c:1038 [inline]
 __se_sys_exit_group kernel/exit.c:1036 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f6b60d799a9
RSP: 002b:00007ffc3c71acf8 EFLAGS: 00000246
 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6b60d799a9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f6b60ded290 R08: ffffffffffffffb8 R09: 00007f6b60dbd09e
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6b60ded290
R13: 0000000000000000 R14: 00007f6b60dedd00 R15: 00007f6b60d43120
 </TASK>
INFO: task syz-executor100:5083 blocked for more than 148 seconds.
      Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor100 state:D
 stack:26032 pid:5083  tgid:5083  ppid:5073   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2548
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
 __flush_work+0xa7b/0xc90 kernel/workqueue.c:4205
 __cancel_work_sync+0x330/0x6d0 kernel/workqueue.c:4304
 uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
 uhid_char_release+0xaf/0x600 drivers/hid/uhid.c:662
 __fput+0x429/0x8a0 fs/file_table.c:422
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa1b/0x27e0 kernel/exit.c:878
 do_group_exit+0x207/0x2c0 kernel/exit.c:1027
 __do_sys_exit_group kernel/exit.c:1038 [inline]
 __se_sys_exit_group kernel/exit.c:1036 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f6b60d799a9
RSP: 002b:00007ffc3c71acf8 EFLAGS: 00000246
 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6b60d799a9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f6b60ded290 R08: ffffffffffffffb8 R09: 00007f6b60dbd09e
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6b60ded290
R13: 0000000000000000 R14: 00007f6b60dedd00 R15: 00007f6b60d43120
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/0:1/8:
3 locks held by kworker/1:0/24:
1 lock held by khungtaskd/29:
 #0: 
ffffffff8e132020
 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
7 locks held by kworker/1:1/44:
5 locks held by kworker/u8:5/951:
7 locks held by kworker/1:2/2928:
2 locks held by getty/4824:
 #0: 
ffff88802e6920a0
 (
&tty->ldisc_sem
){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: 
ffffc90002f162f0
 (
&ldata->atomic_read_lock){+.+.}-{3:3}
, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
3 locks held by kworker/0:3/5082:
2 locks held by dhcpcd/5113:
 #0: 
ffff88823bc4a210
 (
&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:793 [inline]
&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:658 [inline]
&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 net/socket.c:1421
 #1: ffffffff8e1373b8
 (
rcu_state.exp_mutex
){+.+.}-{3:3}
, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
, at: synchronize_rcu_expedited+0x39a/0x820 kernel/rcu/tree_exp.h:939
1 lock held by dhcpcd/5114:
 #0: 
ffff88807a5da010
 (
&sb->s_type->i_mutex_key
#10
){+.+.}-{3:3}
, at: inode_lock include/linux/fs.h:793 [inline]
, at: __sock_release net/socket.c:658 [inline]
, at: sock_close+0x90/0x240 net/socket.c:1421
1 lock held by dhcpcd/5115:
 #0: 
ffff88807a5db210
 (
&sb->s_type->i_mutex_key
#10
){+.+.}-{3:3}
, at: inode_lock include/linux/fs.h:793 [inline]
, at: __sock_release net/socket.c:658 [inline]
, at: sock_close+0x90/0x240 net/socket.c:1421
2 locks held by dhcpcd/5116:
 #0: 
ffff88807a5dc410