hid-generic 0000:0000:0000.0245: unknown main item tag 0x0
hid-generic 0000:0000:0000.0245: unknown main item tag 0x0
hid-generic 0000:0000:0000.0245: unknown main item tag 0x0
hid-generic 0000:0000:0000.0245: hidraw1: <UNKNOWN> HID v0.00 Device [syz0] on syz0
netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'.
INFO: task init:1 blocked for more than 140 seconds.
      Not tainted 4.9.140+ #68
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
init            D23880     1      0 0x00000004
 ffff8801da5f8000 ffff8801d1ac2c00 ffff8801d4c50580 ffff8801d6d02f80
 ffff8801db721018 ffff8801da607580 ffffffff82807402 ffff8801da607618
 ffffffff830c5278 ffff8801da607528 00ffffff81ba7f5c ffff8801db7218f0
Call Trace:
 [<ffffffff8280892f>] schedule+0x7f/0x1b0 kernel/sched/core.c:3553
 [<ffffffff82814115>] schedule_timeout+0x735/0xe20 kernel/time/timer.c:1771
 [<ffffffff82810701>] __down_common kernel/locking/semaphore.c:221 [inline]
 [<ffffffff82810701>] __down+0x191/0x2b0 kernel/locking/semaphore.c:238
 [<ffffffff811fcbfe>] down+0x5e/0x80 kernel/locking/semaphore.c:61
 [<ffffffff812223ac>] console_lock+0x2c/0x80 kernel/printk/printk.c:2217
 [<ffffffff8122793c>] console_device+0x1c/0xc0 kernel/printk/printk.c:2554
 [<ffffffff81d2be15>] tty_lookup_driver drivers/tty/tty_io.c:2008 [inline]
 [<ffffffff81d2be15>] tty_open_by_driver drivers/tty/tty_io.c:2053 [inline]
 [<ffffffff81d2be15>] tty_open+0x6f5/0xdf0 drivers/tty/tty_io.c:2130
 [<ffffffff81517bdd>] chrdev_open+0x22d/0x5c0 fs/char_dev.c:392
 [<ffffffff81501e3f>] do_dentry_open+0x3ef/0xc90 fs/open.c:766
 [<ffffffff8150576c>] vfs_open+0x11c/0x210 fs/open.c:879
 [<ffffffff8153c542>] do_last fs/namei.c:3410 [inline]
 [<ffffffff8153c542>] path_openat+0x542/0x2790 fs/namei.c:3534
 [<ffffffff81541617>] do_filp_open+0x197/0x270 fs/namei.c:3568
 [<ffffffff8150617d>] do_sys_open+0x30d/0x5c0 fs/open.c:1072
 [<ffffffff8150645d>] SYSC_open fs/open.c:1090 [inline]
 [<ffffffff8150645d>] SyS_open+0x2d/0x40 fs/open.c:1085
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff828176d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb

Showing all locks held in the system:
1 lock held by init/1:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2bb96>] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130
2 locks held by khungtaskd/24:
 #0:  (rcu_read_lock){......}, at: [<ffffffff8131c0cc>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline]
 #0:  (rcu_read_lock){......}, at: [<ffffffff8131c0cc>] watchdog+0x11c/0xa20 kernel/hung_task.c:239
 #1:  (tasklist_lock){.+.+..}, at: [<ffffffff813fe63f>] debug_show_all_locks+0x79/0x218 kernel/locking/lockdep.c:4336
1 lock held by rsyslogd/1901:
 #0:  (&f->f_pos_lock){+.+.+.}, at: [<ffffffff8156cc7c>] __fdget_pos+0xac/0xd0 fs/file.c:781
2 locks held by getty/2028:
 #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff82815792>] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367
 #1:  (&ldata->atomic_read_lock){+.+...}, at: [<ffffffff81d37362>] n_tty_read+0x202/0x16e0 drivers/tty/n_tty.c:2142

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

NMI backtrace for cpu 1
CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.140+ #68
 ffff8801d9907d08 ffffffff81b42e79 0000000000000000 0000000000000001
 0000000000000001 0000000000000001 ffffffff810983b0 ffff8801d9907d40
 ffffffff81b4df89 0000000000000001 0000000000000000 0000000000000003
Call Trace:
 [<ffffffff81b42e79>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81b42e79>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81b4df89>] nmi_cpu_backtrace.cold.0+0x48/0x87 lib/nmi_backtrace.c:99
 [<ffffffff81b4df1c>] nmi_trigger_cpumask_backtrace+0x12c/0x151 lib/nmi_backtrace.c:60
 [<ffffffff810984b4>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37
 [<ffffffff8131c65d>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline]
 [<ffffffff8131c65d>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff8131c65d>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff8131c65d>] watchdog+0x6ad/0xa20 kernel/hung_task.c:239
 [<ffffffff81142c3d>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff8281789c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5613 Comm: udevd Not tainted 4.9.140+ #68
task: ffff8801a341af80 task.stack: ffff8801a3510000
RIP: 0010:[<ffffffff81b5ed4a>] 
c [<ffffffff81b5ed4a>] strlen+0x5a/0xa0 lib/string.c:481
RSP: 0018:ffff8801a35175b8  EFLAGS: 00000006
RAX: ffffffff82a5eb63 RBX: dffffc0000000000 RCX: 0000000000000003
RDX: 0000000000000000 RSI: ffffffff830cc360 RDI: ffffffff82a5eb60
RBP: ffff8801a35175d0 R08: ffff8801a341b8c8 R09: 08f9af0cde116447
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff82a5eb60
R13: ffffffff830b9a80 R14: ffff8801a35176c0 R15: ffffffff830cc360
FS:  00007f8468c417a0(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcef051c638 CR3: 00000001ccaf5000 CR4: 00000000001606b0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Stack:
 ffff8801a35175f8
c ffffffff830cc360
c 1ffff100346a2ec4
c ffff8801a35176e8
c
 ffffffff811ff31d
c ffff8801a3517700
c ffff8801a341b8c0
c ffff8801a341b820
c
 ffff8801a341b8c8
c ffff8801a341b828
c ffffffff830cc378
c 1ffff100346a2ec4
c
Call Trace:
 [<ffffffff811ff31d>] trace_event_get_offsets_lock include/trace/events/lock.h:38 [inline]
 [<ffffffff811ff31d>] perf_trace_lock+0xdd/0x520 include/trace/events/lock.h:38
 [<ffffffff8120d4b5>] trace_lock_release include/trace/events/lock.h:57 [inline]
 [<ffffffff8120d4b5>] lock_release+0x935/0xc20 kernel/locking/lockdep.c:3774
 [<ffffffff819eac81>] rcu_lock_release include/linux/rcupdate.h:498 [inline]
 [<ffffffff819eac81>] rcu_read_unlock include/linux/rcupdate.h:931 [inline]
 [<ffffffff819eac81>] avc_reclaim_node security/selinux/avc.c:540 [inline]
 [<ffffffff819eac81>] avc_alloc_node+0x311/0x3c0 security/selinux/avc.c:559
 [<ffffffff819ebf18>] avc_insert security/selinux/avc.c:670 [inline]
 [<ffffffff819ebf18>] avc_compute_av+0x178/0x610 security/selinux/avc.c:976
 [<ffffffff819ed96d>] avc_has_perm_noaudit+0x29d/0x2f0 security/selinux/avc.c:1112
 [<ffffffff819fb3fd>] selinux_inode_permission+0x32d/0x4b0 security/selinux/hooks.c:3038
 [<ffffffff819e47e9>] security_inode_permission+0xb9/0x100 security/security.c:611
 [<ffffffff8152b9a3>] __inode_permission2+0x93/0x2d0 fs/namei.c:435
 [<ffffffff8152bc3f>] inode_permission2+0x2f/0x110 fs/namei.c:485
 [<ffffffff8153a365>] may_lookup fs/namei.c:1683 [inline]
 [<ffffffff8153a365>] link_path_walk+0x1a5/0x1230 fs/namei.c:2064
 [<ffffffff8153b6e4>] path_lookupat.isra.10+0x1b4/0x410 fs/namei.c:2282
 [<ffffffff8153f697>] filename_lookup.part.18+0x177/0x370 fs/namei.c:2317
 [<ffffffff8153fa53>] filename_lookup fs/namei.c:2310 [inline]
 [<ffffffff8153fa53>] user_path_at_empty+0x53/0x70 fs/namei.c:2578
 [<ffffffff81518fe6>] user_path_at include/linux/namei.h:55 [inline]
 [<ffffffff81518fe6>] vfs_fstatat+0xc6/0x170 fs/stat.c:106
 [<ffffffff8151a289>] vfs_lstat fs/stat.c:129 [inline]
 [<ffffffff8151a289>] SYSC_newlstat fs/stat.c:283 [inline]
 [<ffffffff8151a289>] SyS_newlstat+0x89/0x100 fs/stat.c:277
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff828176d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: 
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c