ip6_tunnel: ip6tnl1 xmit: Local address not yet configured!
ip6_tunnel: ip6tnl2 xmit: Local address not yet configured!
INFO: task syz-executor1:20066 blocked for more than 140 seconds.
      Not tainted 4.9.130+ #99
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor1   D28600 20066  14825 0x00000004
 ffff8801b0398000 ffff8801d80e8b00 ffff8801a3218000 ffff8801ab615f00
 ffff8801db721018 ffff8801b602fb78 ffffffff827f2d92 0000000000000000
 ffff8801b03988b0 ffffed0036073115 00ff8801b0398000 ffff8801db7218f0
Call Trace:
 [<ffffffff827f42bf>] schedule+0x7f/0x1b0 kernel/sched/core.c:3553
 [<ffffffff827f4c43>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3586
 [<ffffffff827f6cbd>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff827f6cbd>] mutex_lock_nested+0x38d/0x900 kernel/locking/mutex.c:621
 [<ffffffff820473a2>] evdev_flush+0x72/0x120 drivers/input/evdev.c:350
 [<ffffffff815028c7>] filp_close+0xa7/0x140 fs/open.c:1129
 [<ffffffff8156b731>] close_files fs/file.c:406 [inline]
 [<ffffffff8156b731>] put_files_struct+0x151/0x250 fs/file.c:434
 [<ffffffff8156b8b0>] reset_files_struct+0x80/0xa0 fs/file.c:452
 [<ffffffff8152119c>] do_execveat_common.isra.14+0x51c/0x1ed0 fs/exec.c:1817
 [<ffffffff81523515>] do_execveat fs/exec.c:1840 [inline]
 [<ffffffff81523515>] SYSC_execveat fs/exec.c:1921 [inline]
 [<ffffffff81523515>] SyS_execveat+0x55/0x70 fs/exec.c:1913
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff82803013>] 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: [<ffffffff8131b8dc>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline]
 #0:  (rcu_read_lock){......}, at: [<ffffffff8131b8dc>] watchdog+0x11c/0xa20 kernel/hung_task.c:239
 #1:  (tasklist_lock){.+.?..}, at: [<ffffffff813fe0a4>] debug_show_all_locks+0x79/0x218 kernel/locking/lockdep.c:4336
2 locks held by getty/2021:
 #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff828010e2>] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367
 #1:  (&ldata->atomic_read_lock){+.+...}, at: [<ffffffff81d2af22>] n_tty_read+0x202/0x16e0 drivers/tty/n_tty.c:2142
1 lock held by syz-executor1/20066:
 #0:  (&evdev->mutex){+.+.+.}, at: [<ffffffff820473a2>] evdev_flush+0x72/0x120 drivers/input/evdev.c:350

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

NMI backtrace for cpu 0
CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.130+ #99
 ffff8801d9907d08 ffffffff81b36c99 0000000000000000 0000000000000000
 0000000000000000 0000000000000001 ffffffff81098180 ffff8801d9907d40
 ffffffff81b41da9 0000000000000000 0000000000000000 0000000000000003
Call Trace:
 [<ffffffff81b36c99>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81b36c99>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81b41da9>] nmi_cpu_backtrace.cold.0+0x48/0x87 lib/nmi_backtrace.c:99
 [<ffffffff81b41d3c>] nmi_trigger_cpumask_backtrace+0x12c/0x151 lib/nmi_backtrace.c:60
 [<ffffffff81098284>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37
 [<ffffffff8131be6d>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline]
 [<ffffffff8131be6d>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff8131be6d>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff8131be6d>] watchdog+0x6ad/0xa20 kernel/hung_task.c:239
 [<ffffffff8114272d>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff828031dc>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7388 Comm: syz-executor5 Not tainted 4.9.130+ #99
task: ffff8801c64117c0 task.stack: ffff8801aa2e0000
RIP: 0033:[<0000000000401584>] 
c [<0000000000401584>] 0x401584
RSP: 002b:00007f7cdd0c5b50  EFLAGS: 00000282
RAX: 00000000ec380bd9 RBX: 0000000000000ff4 RCX: 0000000000457579
RDX: 0000000000410f91 RSI: 0000000000a44bf0 RDI: 0000000000000043
RBP: 00000000004bc251 R08: 000000000000000e R09: 0000000000000000
R10: 00007f7cdd0c6700 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000004c3037 R14: 00000000004d50d0 R15: 00000000ffffffff
FS:  00007f7cdd0c6700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002038b000 CR3: 00000001c95b2000 CR4: 00000000001606b0