hid-generic 0000:0000:0000.0223: unknown main item tag 0x0
hid-generic 0000:0000:0000.0223: unknown main item tag 0x0
hid-generic 0000:0000:0000.0223: unknown main item tag 0x0
hid-generic 0000:0000:0000.0223: hidraw0: <UNKNOWN> HID v0.00 Device [syz0] on syz0
INFO: task init:25834 blocked for more than 140 seconds.
      Not tainted 4.9.193+ #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
init            D29304 25834      1 0x00000000
 0000000000000087 ffff8801d9aadf00 0000000000000000 ffff8801db721000
 ffff8801da6b2f80 ffff8801db721018 ffff8801a3d17758 ffffffff8281ac0e
 ffff88010000000d 1ffff100347a2ed4 00ffe8ffffd14820 ffff8801db7218f0
Call Trace:
 [<00000000bad16204>] schedule+0x92/0x1c0 kernel/sched/core.c:3546
 [<000000002c72af96>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3579
 [<0000000026fa636d>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<0000000026fa636d>] mutex_lock_nested+0x38d/0x920 kernel/locking/mutex.c:621
 [<00000000b9e7d545>] tty_open_by_driver drivers/tty/tty_io.c:2062 [inline]
 [<00000000b9e7d545>] tty_open+0x3f9/0xe10 drivers/tty/tty_io.c:2140
 [<0000000075de4beb>] chrdev_open+0x230/0x630 fs/char_dev.c:398
 [<0000000073916114>] do_dentry_open+0x422/0xd20 fs/open.c:791
 [<00000000e2a675bf>] vfs_open+0x105/0x230 fs/open.c:904
 [<0000000066036bd9>] do_last fs/namei.c:3541 [inline]
 [<0000000066036bd9>] path_openat+0xbf5/0x2f60 fs/namei.c:3665
 [<00000000b75e818c>] do_filp_open+0x1a1/0x280 fs/namei.c:3699
 [<0000000038138188>] do_sys_open+0x2f0/0x610 fs/open.c:1097
 [<00000000f42c966a>] SYSC_open fs/open.c:1115 [inline]
 [<00000000f42c966a>] SyS_open+0x2d/0x40 fs/open.c:1110
 [<00000000b1ae490c>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<00000000c61c96d2>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb

Showing all locks held in the system:
2 locks held by khungtaskd/24:
 #0:  (rcu_read_lock){......}, at: [<00000000b81a7698>] check_hung_uninterruptible_tasks kernel/hung_task.c:169 [inline]
 #0:  (rcu_read_lock){......}, at: [<00000000b81a7698>] watchdog+0x14b/0xaf0 kernel/hung_task.c:263
 #1:  (tasklist_lock){.+.+..}, at: [<00000000da15f0f3>] debug_show_all_locks+0x7f/0x21f kernel/locking/lockdep.c:4336
1 lock held by rsyslogd/1897:
 #0:  (&f->f_pos_lock){+.+.+.}, at: [<00000000a804ab9b>] __fdget_pos+0xa8/0xd0 fs/file.c:782
2 locks held by getty/2025:
 #0:  (&tty->ldisc_sem){++++++}, at: [<000000007818a1ad>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376
 #1:  (&ldata->atomic_read_lock){+.+.+.}, at: [<0000000086b19776>] n_tty_read+0x1fe/0x1820 drivers/tty/n_tty.c:2156
1 lock held by init/25834:
 #0:  (tty_mutex){+.+.+.}, at: [<00000000b9e7d545>] tty_open_by_driver drivers/tty/tty_io.c:2062 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<00000000b9e7d545>] tty_open+0x3f9/0xe10 drivers/tty/tty_io.c:2140
1 lock held by init/25835:
 #0:  (tty_mutex){+.+.+.}, at: [<00000000b9e7d545>] tty_open_by_driver drivers/tty/tty_io.c:2062 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<00000000b9e7d545>] tty_open+0x3f9/0xe10 drivers/tty/tty_io.c:2140
1 lock held by init/25836:
 #0:  (tty_mutex){+.+.+.}, at: [<00000000b9e7d545>] tty_open_by_driver drivers/tty/tty_io.c:2062 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<00000000b9e7d545>] tty_open+0x3f9/0xe10 drivers/tty/tty_io.c:2140
1 lock held by init/25837:
 #0:  (tty_mutex){+.+.+.}, at: [<00000000b9e7d545>] tty_open_by_driver drivers/tty/tty_io.c:2062 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<00000000b9e7d545>] tty_open+0x3f9/0xe10 drivers/tty/tty_io.c:2140
1 lock held by init/25839:
 #0:  (tty_mutex){+.+.+.}, at: [<00000000b9e7d545>] tty_open_by_driver drivers/tty/tty_io.c:2062 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<00000000b9e7d545>] tty_open+0x3f9/0xe10 drivers/tty/tty_io.c:2140

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.193+ #0
 ffff8801d98d7cc8 ffffffff81b67081 0000000000000001 0000000000000000
 0000000000000001 ffffffff81099e01 dffffc0000000000 ffff8801d98d7d00
 ffffffff81b7231c 0000000000000001 0000000000000000 0000000000000001
Call Trace:
 [<0000000008493ec8>] __dump_stack lib/dump_stack.c:15 [inline]
 [<0000000008493ec8>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<0000000087d4eac7>] nmi_cpu_backtrace.cold+0x47/0x87 lib/nmi_backtrace.c:99
 [<0000000079c01bd2>] nmi_trigger_cpumask_backtrace+0x124/0x155 lib/nmi_backtrace.c:60
 [<0000000022917680>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37
 [<000000009409fa44>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline]
 [<000000009409fa44>] check_hung_task kernel/hung_task.c:126 [inline]
 [<000000009409fa44>] check_hung_uninterruptible_tasks kernel/hung_task.c:183 [inline]
 [<000000009409fa44>] watchdog+0x670/0xaf0 kernel/hung_task.c:263
 [<00000000061eaae0>] kthread+0x278/0x310 kernel/kthread.c:211
 [<000000004921c251>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 28827 Comm: modprobe Not tainted 4.9.193+ #0
task: 000000006ddbfc82 task.stack: 0000000070eceb72
RIP: 0010:[<ffffffff8142e622>] 
c [<00000000312e754d>] set_pcppage_migratetype mm/page_alloc.c:144 [inline]
RIP: 0010:[<ffffffff8142e622>] 
c [<00000000312e754d>] free_hot_cold_page+0x282/0x9f0 mm/page_alloc.c:2478
RSP: 0018:ffff8801a1b4f998  EFLAGS: 00000246
RAX: 0000000000000004 RBX: 2020220200000200 RCX: 1ffff10043f7f7ec
RDX: dffffc0000000000 RSI: 00000000000000ff RDI: ffff88021fffc3a8
RBP: ffff8801a1b4f9e0 R08: 1ffff1003a0fa800 R09: ffffed003a0fa800
R10: 0000000000000000 R11: 0000000000000000 R12: ffffea000741f500
R13: ffffea000741f520 R14: ffff88021fffc3a0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe4e88cd8c CR3: 0000000003026000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Stack:
 ffffea00074bcc40
c ffff8801a1b4f9c8
c 0000000000000246
c 0000000000000001
c
 dffffc0000000000
c 0000000000000000
c ffffea000741f500
c fffffbfff067ce29
c
 ffffea00074bcc40
c ffff8801a1b4fa38
c ffffffff8142f1ef
c ffffffff8120cf75
c
Call Trace:
 [<00000000e84cdcb7>] free_hot_cold_page_list+0x9f/0x340 mm/page_alloc.c:2522
 [<00000000017642c4>] release_pages+0x6dc/0xa80 mm/swap.c:796
 [<0000000036d1e1f2>] free_pages_and_swap_cache+0x115/0x160 mm/swap_state.c:273
 [<0000000041bf82ea>] tlb_flush_mmu_free+0x46/0x110 mm/memory.c:259
 [<0000000060a158e9>] tlb_flush_mmu mm/memory.c:268 [inline]
 [<0000000060a158e9>] tlb_finish_mmu+0x23/0xb0 mm/memory.c:279
 [<0000000006c6bae1>] exit_mmap+0x203/0x3b0 mm/mmap.c:3027
 [<00000000c290c66f>] __mmput kernel/fork.c:886 [inline]
 [<00000000c290c66f>] mmput kernel/fork.c:908 [inline]
 [<00000000c290c66f>] mmput+0xd5/0x370 kernel/fork.c:903
 [<00000000f3758b7f>] exit_mm kernel/exit.c:514 [inline]
 [<00000000f3758b7f>] do_exit+0x6ce/0x2aa0 kernel/exit.c:829
 [<000000007eb74cd9>] do_group_exit+0x111/0x300 kernel/exit.c:946
 [<00000000f71f6298>] SYSC_exit_group kernel/exit.c:957 [inline]
 [<00000000f71f6298>] SyS_exit_group+0x1d/0x20 kernel/exit.c:955
 [<00000000b1ae490c>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<00000000c61c96d2>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: 
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c