ip6_tunnel: ip6tnl1 xmit: Local address not yet configured!
INFO: task syz-executor.4:26975 blocked for more than 140 seconds.
      Not tainted 4.9.165+ #26
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4  D25592 26975      1 0x00000004
 ffff880149f10000 ffff880183d47900 ffff8801db621000 ffff880184240000
 ffff8801db621018 ffff880149e97598 ffffffff827fbcce ffff880149e974d8
 ffffffff81baff0c 00ff880149e975d0 ffff8801db6218f0 1ffff100293d2ea2
Call Trace:
 [<ffffffff827fd5a2>] schedule+0x92/0x1c0 kernel/sched/core.c:3546
 [<ffffffff827fdf43>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3579
 [<ffffffff827ffe9d>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff827ffe9d>] mutex_lock_nested+0x38d/0x920 kernel/locking/mutex.c:621
 [<ffffffff818969cd>] fuse_lock_inode+0xad/0xe0 fs/fuse/inode.c:364
 [<ffffffff81877c79>] fuse_lookup+0x89/0x3b0 fs/fuse/dir.c:406
 [<ffffffff815301eb>] lookup_slow+0x24b/0x480 fs/namei.c:1709
 [<ffffffff8153f45e>] walk_component+0x71e/0xce0 fs/namei.c:1825
 [<ffffffff815402b7>] link_path_walk+0x897/0x1200 fs/namei.c:2161
 [<ffffffff815411c7>] path_mountpoint+0x67/0x6d0 fs/namei.c:2737
 [<ffffffff81545bdf>] filename_mountpoint+0x17f/0x350 fs/namei.c:2758
 [<ffffffff815472da>] user_path_mountpoint_at+0x3a/0x50 fs/namei.c:2788
 [<ffffffff8157d426>] SYSC_umount fs/namespace.c:1722 [inline]
 [<ffffffff8157d426>] SyS_umount+0x136/0xd30 fs/namespace.c:1706
 [<ffffffff810056bd>] do_syscall_64+0x1ad/0x570 arch/x86/entry/common.c:285
 [<ffffffff8280c153>] 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: [<ffffffff8131d3fc>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline]
 #0:  (rcu_read_lock){......}, at: [<ffffffff8131d3fc>] watchdog+0x13c/0xae0 kernel/hung_task.c:239
 #1:  (tasklist_lock){.+.?..}, at: [<ffffffff8140072f>] debug_show_all_locks+0x7f/0x21f kernel/locking/lockdep.c:4336
2 locks held by getty/2032:
 #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff8280a233>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
 #1:  (&ldata->atomic_read_lock){+.+.+.}, at: [<ffffffff81d3d9fe>] n_tty_read+0x1fe/0x1820 drivers/tty/n_tty.c:2156
2 locks held by syz-executor.4/26975:
 #0:  (&type->i_mutex_dir_key#7){++++++}, at: [<ffffffff81530100>] inode_lock_shared include/linux/fs.h:778 [inline]
 #0:  (&type->i_mutex_dir_key#7){++++++}, at: [<ffffffff81530100>] lookup_slow+0x160/0x480 fs/namei.c:1686
 #1:  (&fi->mutex){+.+.+.}, at: [<ffffffff818969cd>] fuse_lock_inode+0xad/0xe0 fs/fuse/inode.c:364
2 locks held by syz-executor.4/32508:
 #0:  (&type->i_mutex_dir_key#7){++++++}, at: [<ffffffff81530100>] inode_lock_shared include/linux/fs.h:778 [inline]
 #0:  (&type->i_mutex_dir_key#7){++++++}, at: [<ffffffff81530100>] lookup_slow+0x160/0x480 fs/namei.c:1686
 #1:  (&fi->mutex){+.+.+.}, at: [<ffffffff818969cd>] fuse_lock_inode+0xad/0xe0 fs/fuse/inode.c:364

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

NMI backtrace for cpu 0
CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.165+ #26
 ffff8801d98d7cc8 ffffffff81b4ba01 0000000000000000 0000000000000000
 0000000000000000 ffffffff81097401 dffffc0000000000 ffff8801d98d7d00
 ffffffff81b56c8c 0000000000000000 0000000000000000 0000000000000000
Call Trace:
 [<ffffffff81b4ba01>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81b4ba01>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff81b56c8c>] nmi_cpu_backtrace.cold+0x47/0x87 lib/nmi_backtrace.c:99
 [<ffffffff81b56c14>] nmi_trigger_cpumask_backtrace+0x124/0x155 lib/nmi_backtrace.c:60
 [<ffffffff81097594>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37
 [<ffffffff8131d921>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline]
 [<ffffffff8131d921>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff8131d921>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff8131d921>] watchdog+0x661/0xae0 kernel/hung_task.c:239
 [<ffffffff81142298>] kthread+0x278/0x310 kernel/kthread.c:211
 [<ffffffff8280c31c>] 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: 1904 Comm: rsyslogd Not tainted 4.9.165+ #26
task: ffff8801d3af5f00 task.stack: ffff8801d3ac0000
RIP: 0010:[<ffffffff81a271be>] 
c [<ffffffff81a271be>] avtab_search_node+0x28e/0x490 security/selinux/ss/avtab.c:231
RSP: 0018:ffff8801d3ac76a0  EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000008
RDX: 0000000000000000 RSI: ffffffff81a271a2 RDI: ffff8801d4e83998
RBP: ffff8801d3ac76f8 R08: 1ffff1003a758f3a R09: ffff8801d3ac79d4
R10: ffffed003a758f3e R11: ffff8801d3ac79f3 R12: ffff8801d4ec0780
R13: 00000000000001b0 R14: ffff8801d3ac77f0 R15: 00000000000001e3
FS:  00007fd290861700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c4234d8008 CR3: 00000001d7794000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Stack:
 ffff8801d3ac77f2
c 07078801d4fc1540
c ffff8801d3ac77f4
c 0000000000000002
c
 ffffed003a758efe
c ffff8801d4fc1548
c ffff8801d4fc1540
c 0000000000000093
c
 ffff8801d4fc15a8
c dffffc0000000000
c ffff8801d4fc1548
c ffff8801d3ac7858
c
Call Trace:
 [<ffffffff81a3e335>] context_struct_compute_av+0x565/0x1080 security/selinux/ss/services.c:667
 [<ffffffff81a40d00>] security_compute_av+0x290/0x770 security/selinux/ss/services.c:1120
 [<ffffffff819f50f9>] avc_compute_av+0xc9/0x610 security/selinux/avc.c:974
 [<ffffffff819f6ef5>] avc_has_perm_noaudit security/selinux/avc.c:1112 [inline]
 [<ffffffff819f6ef5>] avc_has_perm+0x355/0x3a0 security/selinux/avc.c:1146
 [<ffffffff819fefb9>] task_has_system+0x159/0x230 security/selinux/hooks.c:1681
 [<ffffffff81a0b4b5>] selinux_syslog security/selinux/hooks.c:2237 [inline]
 [<ffffffff81a0b4b5>] selinux_syslog+0x35/0xa0 security/selinux/hooks.c:2216
 [<ffffffff819ec1d3>] security_syslog+0x73/0xb0 security/security.c:210
 [<ffffffff812227eb>] check_syslog_permissions+0x5b/0xb0 kernel/printk/printk.c:635
 [<ffffffff81225a8b>] do_syslog+0x9b/0xaf0 kernel/printk/printk.c:1440
 [<ffffffff8168cca4>] kmsg_read+0x74/0xa0 fs/proc/kmsg.c:39
 [<ffffffff816643ed>] proc_reg_read+0xfd/0x180 fs/proc/inode.c:203
 [<ffffffff8150d676>] __vfs_read+0x116/0x550 fs/read_write.c:451
 [<ffffffff81510387>] vfs_read+0x137/0x380 fs/read_write.c:474
 [<ffffffff8151436c>] SYSC_read fs/read_write.c:590 [inline]
 [<ffffffff8151436c>] SyS_read+0xdc/0x1c0 fs/read_write.c:583
 [<ffffffff810056bd>] do_syscall_64+0x1ad/0x570 arch/x86/entry/common.c:285
 [<ffffffff8280c153>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: 
c10 
c4d 
c85 
ce4 
c0f 
c84 
c1a 
c01 
c00 
c00 
ce8 
cae 
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cff 
c4c 
c89 
ce0 
c48 
cc1 
ce8 
c03 
c0f 
cb6 
c04 
c18 
c84 
cc0 
c74 
c08 
c3c 
c01 
c0f 
c8e 
c4c 
c01 
c00 
c00 
c45 
c0f 
cb7 
c3c 
c24 
c<66> 
c45 
c39 
cfd 
c75 
ca1 
ce8 
c87 
c5b 
c8f 
cff 
c48 
c8b 
c45 
cc8 
c0f 
cb6 
c75 
cc0 
c0f 
cb6 
c