audit: type=1400 audit(1557542116.662:301167): avc:  denied  { net_admin } for  pid=644 comm="syz-executor.0" capability=12  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
audit: type=1400 audit(1557542116.662:301168): avc:  denied  { net_admin } for  pid=32204 comm="syz-executor.0" capability=12  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
INFO: task init:1 blocked for more than 140 seconds.
      Not tainted 4.9.141+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
init            D23880     1      0 0x00000004
 ffff8801da5f8000 ffff880195725280 ffff8801d4c58580 ffff880194d597c0
 ffff8801db621018 ffff8801da607580 ffffffff828075c2 ffff8801da5f88b0
 000000000000015c 0000000000000000 0000000000000000 ffff8801db6218f0
Call Trace:
 [<ffffffff82808aef>] schedule+0x7f/0x1b0 kernel/sched/core.c:3553
 [<ffffffff828142d5>] schedule_timeout+0x735/0xe20 kernel/time/timer.c:1771
 [<ffffffff828108c1>] __down_common kernel/locking/semaphore.c:221 [inline]
 [<ffffffff828108c1>] __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
 [<ffffffff82817893>] 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/1900:
 #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: [<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

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

NMI backtrace for cpu 1
CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.141+ #1
 ffff8801d9907d08 ffffffff81b42e79 0000000000000000 0000000000000001
 0000000000000001 0000000000000001 ffffffff810983b0 ffff8801d9907d40
 ffffffff81b4df89 0000000000000001 0000000000000000 0000000000000002
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: 2625 Comm: syz-executor.0 Not tainted 4.9.141+ #1
task: ffff8801971ec740 task.stack: ffff880167480000
RIP: 0010:[<ffffffff81206e62>] 
c [<ffffffff81206e62>] trace_hardirqs_on_caller+0x52/0x590 kernel/locking/lockdep.c:2701
RSP: 0018:ffff880167487990  EFLAGS: 00000002
RAX: 0000000000000003 RBX: ffff8801971ec740 RCX: 0000000000000001
RDX: 0000000000000004 RSI: 0000000000000001 RDI: ffffffff831f2500
RBP: ffff8801674879a0 R08: ffff8801971ed060 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff82816fba
R13: 0000000000000206 R14: 0000000000000019 R15: 0000000000000001
FS:  00007f92ee32c700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000000f CR3: 000000018d071000 CR4: 00000000001606b0
Stack:
 0000000000000206
c ffffffff84239d00
c ffff8801674879b0
c ffffffff812073ad
c
 ffff8801674879d0
c ffffffff82816fba
c 0000000000000000
c ffffffff84239d00
c
 ffff880167487a18
c ffffffff819eac8c
c ffffffff819eab62
c ffff8801772a9dd0
c
Call Trace:
 [<ffffffff812073ad>] trace_hardirqs_on+0xd/0x10 kernel/locking/lockdep.c:2743
 [<ffffffff82816fba>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:162 [inline]
 [<ffffffff82816fba>] _raw_spin_unlock_irqrestore+0x5a/0x70 kernel/locking/spinlock.c:191
 [<ffffffff819eac8c>] spin_unlock_irqrestore include/linux/spinlock.h:362 [inline]
 [<ffffffff819eac8c>] avc_reclaim_node security/selinux/avc.c:541 [inline]
 [<ffffffff819eac8c>] avc_alloc_node+0x31c/0x3c0 security/selinux/avc.c:559
 [<ffffffff819eb36d>] avc_update_node+0x3d/0x910 security/selinux/avc.c:829
 [<ffffffff819ebd5d>] avc_denied+0x11d/0x160 security/selinux/avc.c:990
 [<ffffffff819ed99f>] avc_has_perm_noaudit+0x2cf/0x2f0 security/selinux/avc.c:1118
 [<ffffffff819fab7a>] cred_has_capability+0x13a/0x2e0 security/selinux/hooks.c:1666
 [<ffffffff819fadb6>] selinux_capable+0x36/0x40 security/selinux/hooks.c:2178
 [<ffffffff819e2d78>] security_capable+0x88/0xc0 security/security.c:189
 [<ffffffff810fa7c4>] ns_capable_common+0xd4/0x150 kernel/capability.c:373
 [<ffffffff810fa862>] ns_capable+0x22/0x30 kernel/capability.c:395
 [<ffffffff827e0dec>] pfkey_create+0x15c/0x8e0 net/key/af_key.c:150
 [<ffffffff8229f2f1>] __sock_create+0x2f1/0x5f0 net/socket.c:1195
 [<ffffffff822a2aae>] sock_create net/socket.c:1235 [inline]
 [<ffffffff822a2aae>] SYSC_socket net/socket.c:1265 [inline]
 [<ffffffff822a2aae>] SyS_socket+0xee/0x1f0 net/socket.c:1245
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff82817893>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: 
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c