ip6_tunnel: ,
 xmit: Local address not yet configured!
ip6_tunnel: ip6tnl1 xmit: Local address not yet configured!
INFO: task syz-executor.1:18737 blocked for more than 140 seconds.
      Not tainted 4.9.141+ #23
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1  D28200 18737  16187 0x20020004
 ffff8801ca86c740 ffff8801d4b40580 ffff8801c8e15800 ffff8801d1cf0000
 ffff8801db621018 ffff8801b5d67ce8 ffffffff828075c2 0000000000000000
 ffff8801ca86cff0 ffffed003950d9fd 00ff8801ca86c740 ffff8801db6218f0
Call Trace:
 [<ffffffff82808aef>] schedule+0x7f/0x1b0 kernel/sched/core.c:3553
 [<ffffffff828094a3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3586
 [<ffffffff8280b51d>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff8280b51d>] mutex_lock_nested+0x38d/0x900 kernel/locking/mutex.c:621
 [<ffffffff82053de2>] evdev_flush+0x72/0x120 drivers/input/evdev.c:350
 [<ffffffff81502a77>] filp_close+0xa7/0x140 fs/open.c:1129
 [<ffffffff8156c826>] __close_fd+0x156/0x230 fs/file.c:651
 [<ffffffff81502b5c>] SYSC_close fs/open.c:1148 [inline]
 [<ffffffff81502b5c>] SyS_close+0x4c/0x90 fs/open.c:1146
 [<ffffffff81006311>] do_syscall_32_irqs_on arch/x86/entry/common.c:328 [inline]
 [<ffffffff81006311>] do_fast_syscall_32+0x2f1/0xa10 arch/x86/entry/common.c:390
 [<ffffffff82818de0>] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137

Showing all locks held in the system:
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
2 locks held by getty/2039:
 #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff82815952>] 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
2 locks held by syz-executor.4/22670:
 #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff82815952>] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367
 #1:  (&tty->atomic_write_lock){+.+.+.}, at: [<ffffffff81d1f7e1>] tty_write_lock+0x21/0x60 drivers/tty/tty_io.c:1107
1 lock held by syz-executor.1/18737:
 #0:  (&evdev->mutex){+.+.+.}, at: [<ffffffff82053de2>] evdev_flush+0x72/0x120 drivers/input/evdev.c:350
1 lock held by syz-executor.1/18741:
 #0:  (&evdev->mutex){+.+.+.}, at: [<ffffffff82053de2>] evdev_flush+0x72/0x120 drivers/input/evdev.c:350
1 lock held by syz-executor.1/18743:
 #0:  (&evdev->mutex){+.+.+.}, at: [<ffffffff82053de2>] evdev_flush+0x72/0x120 drivers/input/evdev.c:350

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

NMI backtrace for cpu 1
CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.141+ #23
 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
 [<ffffffff82817a5c>] 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: 8490 Comm: syz-executor.4 Not tainted 4.9.141+ #23
task: ffff8800b9a84740 task.stack: ffff8800ba7e8000
RIP: 0010:[<ffffffff82818ee0>] 
c [<ffffffff82818ee0>] entry_INT80_compat+0x0/0xa0 arch/x86/entry/entry_64_compat.S:322
RSP: 0000:ffff8800ba7effd8  EFLAGS: 00000046
RAX: ffffffffffffffda RBX: 000000000814af60 RCX: 000000008f7e3adc
RDX: 00000000f55dca88 RSI: 00000000080eba50 RDI: 00000000ffffffff
RBP: 00000000f55dc168 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8801db600000(0063) knlGS:00000000f55dcb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020f9b000 CR3: 00000000b3e10000 CR4: 00000000001606b0
Stack:
 0000000020000082
c 0000000000000023
c 0000000000000246
c 00000000f55dc09c
c
 000000000000002b
c
Call Trace:
Code: 
c4d 
c31 
cd2 
ceb 
c1a 
c0f 
c20 
cd8 
c65 
c48 
c0b 
c04 
c25 
c48 
c80 
c01 
c00 
c78 
c08 
c65 
c88 
c04 
c25 
c4f 
c80 
c01 
c00 
c0f 
c22 
cd8 
c58 
c48 
c8b 
c64 
c24 
c20 
c0f 
c01 
cf8 
c0f 
c07 
c66 
c90 
c<66> 
c0f 
c1f 
c44 
c00 
c00 
c0f 
c01 
cf8 
c0f 
c1f 
c00 
ceb 
c21 
c90 
c90 
c90 
c90 
c90 
c90 
c90 
c