ip6_tunnel: ip6tnl1 xmit: Local address not yet configured!
ip6_tunnel: ip6tnl1 xmit: Local address not yet configured!
INFO: task syz-executor1:8901 blocked for more than 140 seconds.
      Not tainted 4.9.135+ #11
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor1   D28392  8901   2084 0xa0020002
 ffff8801cbb65f00 0000000000000000 ffff8801c6a31b80 ffff8801cbbd2f80
 ffff8801db721018 ffff8801d2dcf7f8 ffffffff827f3192 0000000000000000
 ffff8801cbb667b0 ffffed003976ccf5 00ff8801cbb65f00 ffff8801db7218f0
Call Trace:
 [<ffffffff827f46bf>] schedule+0x7f/0x1b0 kernel/sched/core.c:3553
 [<ffffffff827f5043>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3586
 [<ffffffff827f70bd>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff827f70bd>] mutex_lock_nested+0x38d/0x900 kernel/locking/mutex.c:621
 [<ffffffff82047c62>] evdev_flush+0x72/0x120 drivers/input/evdev.c:350
 [<ffffffff81502a67>] filp_close+0xa7/0x140 fs/open.c:1129
 [<ffffffff8156b8d1>] close_files fs/file.c:406 [inline]
 [<ffffffff8156b8d1>] put_files_struct+0x151/0x250 fs/file.c:434
 [<ffffffff8156baf3>] exit_files+0x83/0xb0 fs/file.c:463
 [<ffffffff810e6a1f>] do_exit+0x75f/0x29d0 kernel/exit.c:828
 [<ffffffff810ed121>] do_group_exit+0x111/0x300 kernel/exit.c:937
 [<ffffffff8110e8c1>] get_signal+0x4e1/0x1460 kernel/signal.c:2321
 [<ffffffff81052a55>] do_signal+0x95/0x1b00 arch/x86/kernel/signal.c:807
 [<ffffffff81003e2e>] exit_to_usermode_loop+0x10e/0x150 arch/x86/entry/common.c:158
 [<ffffffff810066fc>] prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 [<ffffffff810066fc>] syscall_return_slowpath arch/x86/entry/common.c:263 [inline]
 [<ffffffff810066fc>] do_syscall_32_irqs_on arch/x86/entry/common.c:334 [inline]
 [<ffffffff810066fc>] do_fast_syscall_32+0x6dc/0xa10 arch/x86/entry/common.c:390
 [<ffffffff82804960>] 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: [<ffffffff8131bb4c>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline]
 #0:  (rcu_read_lock){......}, at: [<ffffffff8131bb4c>] watchdog+0x11c/0xa20 kernel/hung_task.c:239
 #1:  (tasklist_lock){.+.+..}, at: [<ffffffff813fe314>] debug_show_all_locks+0x79/0x218 kernel/locking/lockdep.c:4336
2 locks held by getty/2022:
 #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff828014e2>] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367
 #1:  (&ldata->atomic_read_lock){+.+...}, at: [<ffffffff81d2b032>] n_tty_read+0x202/0x16e0 drivers/tty/n_tty.c:2142
1 lock held by syz-executor1/8901:
 #0:  (&evdev->mutex){+.+.+.}, at: [<ffffffff82047c62>] evdev_flush+0x72/0x120 drivers/input/evdev.c:350
1 lock held by syz-executor1/8925:
 #0:  (&evdev->mutex){+.+.+.}, at: [<ffffffff82047c62>] evdev_flush+0x72/0x120 drivers/input/evdev.c:350
1 lock held by syz-executor1/19692:
 #0:  (&evdev->mutex){+.+.+.}, at: [<ffffffff82047c62>] evdev_flush+0x72/0x120 drivers/input/evdev.c:350
1 lock held by syz-executor1/19707:
 #0:  (&evdev->mutex){+.+.+.}, at: [<ffffffff82047c62>] evdev_flush+0x72/0x120 drivers/input/evdev.c:350
1 lock held by syz-executor1/19755:
 #0:  (&evdev->mutex){+.+.+.}, at: [<ffffffff82047c62>] evdev_flush+0x72/0x120 drivers/input/evdev.c:350

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

NMI backtrace for cpu 1
CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.135+ #11
 ffff8801d9907d08 ffffffff81b36bf9 0000000000000000 0000000000000001
 0000000000000001 0000000000000001 ffffffff81098330 ffff8801d9907d40
 ffffffff81b41d09 0000000000000001 0000000000000000 0000000000000003
Call Trace:
 [<ffffffff81b36bf9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81b36bf9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81b41d09>] nmi_cpu_backtrace.cold.0+0x48/0x87 lib/nmi_backtrace.c:99
 [<ffffffff81b41c9c>] nmi_trigger_cpumask_backtrace+0x12c/0x151 lib/nmi_backtrace.c:60
 [<ffffffff81098434>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37
 [<ffffffff8131c0dd>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline]
 [<ffffffff8131c0dd>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff8131c0dd>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff8131c0dd>] watchdog+0x6ad/0xa20 kernel/hung_task.c:239
 [<ffffffff811428dd>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff828035dc>] 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: 15900 Comm: syz-executor0 Not tainted 4.9.135+ #11
task: ffff8801d24117c0 task.stack: ffff8801a1738000
RIP: 0010:[<ffffffff8120749d>] 
c [<ffffffff8120749d>] task_irq_context kernel/locking/lockdep.c:2968 [inline]
RIP: 0010:[<ffffffff8120749d>] 
c [<ffffffff8120749d>] __lock_acquire+0x3dd/0x4a10 kernel/locking/lockdep.c:3290
RSP: 0018:ffff8801a173f490  EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff8801d24120c0 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d24120e4
RBP: ffff8801a173f638 R08: 0000000000000001 R09: 0000000000000001
R10: ffff8801d24117c0 R11: 1ffff1003a482417 R12: 0000000000000028
R13: 0000000000000002 R14: ffff8801d241205c R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8801db600000(0063) knlGS:00000000f5783b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020408000 CR3: 00000001d1074000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801d241205c
c 0000000000000000
c ffff8801a173f660
c ffffffff81207714
c
 ffffffff81167805
c ffff8801d1ba7290
c ffff8801a173f688
c ffffffff81430461
c
 ffffea0006007f80
c ffff8801d2412098
c 0000000000000028
c 0000000000000001
c
Call Trace:
 [<ffffffff8120c5e0>] lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756
 [<ffffffff8127c075>] seqcount_lockdep_reader_access include/linux/seqlock.h:80 [inline]
 [<ffffffff8127c075>] read_seqcount_begin include/linux/seqlock.h:163 [inline]
 [<ffffffff8127c075>] current_kernel_time64+0xa5/0x120 kernel/time/timekeeping.c:2222
 [<ffffffff81561956>] current_kernel_time include/linux/timekeeping.h:43 [inline]
 [<ffffffff81561956>] current_time+0x16/0xd0 fs/inode.c:2122
 [<ffffffff81561b10>] file_update_time+0x100/0x390 fs/inode.c:1847
 [<ffffffff814123aa>] __generic_file_write_iter+0x1ca/0x540 mm/filemap.c:2828
 [<ffffffff81412a9a>] generic_file_write_iter+0x37a/0x620 mm/filemap.c:2906
 [<ffffffff815071b7>] vfs_iter_write+0x2d7/0x450 fs/read_write.c:390
 [<ffffffff815ae48b>] iter_file_splice_write+0x5fb/0xb30 fs/splice.c:768
 [<ffffffff815a9a48>] do_splice_from fs/splice.c:870 [inline]
 [<ffffffff815a9a48>] direct_splice_actor+0x128/0x190 fs/splice.c:1037
 [<ffffffff815ab651>] splice_direct_to_actor+0x2c1/0x7e0 fs/splice.c:992
 [<ffffffff815abd13>] do_splice_direct+0x1a3/0x270 fs/splice.c:1080
 [<ffffffff8150d770>] do_sendfile+0x4f0/0xc30 fs/read_write.c:1393
 [<ffffffff8150f941>] C_SYSC_sendfile fs/read_write.c:1469 [inline]
 [<ffffffff8150f941>] compat_SyS_sendfile+0xd1/0x160 fs/read_write.c:1458
 [<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
 [<ffffffff82804960>] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137
Code: 
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