binder: BINDER_SET_CONTEXT_MGR already set
keychord: invalid keycode count 0
binder: 18903:18912 ioctl 40046207 0 returned -16
binder: undelivered TRANSACTION_ERROR: 29201
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9703 at kernel/sched/core.c:7947 __might_sleep+0x149/0x1a0 kernel/sched/core.c:7942
do not call blocking ops when !TASK_RUNNING; state=1 set at [<ffffffff81144413>] do_wait+0x333/0x950 kernel/exit.c:1591
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 9703 Comm: syz-executor3 Not tainted 4.9.98-gf679e4d #14
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801db307b28 ffffffff81eb0fc9 ffffffff83c484a0 00000000ffffffff
 0000000000000000 0000000000000001 0000000000001f0b ffff8801db307be8
 ffffffff8141f975 0000000041b58ab3 ffffffff843b86e8 ffffffff8141f7b6
Call Trace:
 <IRQ> [  775.483078]  [<ffffffff81eb0fc9>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ> [  775.483078]  [<ffffffff81eb0fc9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8141f975>] panic+0x1bf/0x3bc kernel/panic.c:179
 [<ffffffff8141fc61>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542
 [<ffffffff811344b2>] warn_slowpath_fmt+0xc2/0x100 kernel/panic.c:565
 [<ffffffff811b93e9>] __might_sleep+0x149/0x1a0 kernel/sched/core.c:7942
 [<ffffffff83020614>] lock_sock_nested+0x34/0x120 net/core/sock.c:2502
 [<ffffffff8341c369>] lock_sock include/net/sock.h:1404 [inline]
 [<ffffffff8341c369>] inet_shutdown+0x69/0x360 net/ipv4/af_inet.c:823
 [<ffffffff836be630>] pppol2tp_session_close+0xa0/0xe0 net/l2tp/l2tp_ppp.c:441
 [<ffffffff836b7e61>] l2tp_tunnel_closeall+0x231/0x350 net/l2tp/l2tp_core.c:1368
 [<ffffffff836b86e2>] l2tp_tunnel_destruct+0x2f2/0x590 net/l2tp/l2tp_core.c:1324
 [<ffffffff8301d095>] __sk_destruct+0x55/0x590 net/core/sock.c:1428
 [<ffffffff8128578e>] __rcu_reclaim kernel/rcu/rcu.h:118 [inline]
 [<ffffffff8128578e>] rcu_do_batch kernel/rcu/tree.c:2789 [inline]
 [<ffffffff8128578e>] invoke_rcu_callbacks kernel/rcu/tree.c:3053 [inline]
 [<ffffffff8128578e>] __rcu_process_callbacks kernel/rcu/tree.c:3020 [inline]
 [<ffffffff8128578e>] rcu_process_callbacks+0x8ae/0x12b0 kernel/rcu/tree.c:3037
 [<ffffffff839fb23b>] __do_softirq+0x20b/0x937 kernel/softirq.c:284
 [<ffffffff81149037>] invoke_softirq kernel/softirq.c:364 [inline]
 [<ffffffff81149037>] irq_exit+0x147/0x190 kernel/softirq.c:405
 [<ffffffff839f9e21>] exiting_irq arch/x86/include/asm/apic.h:659 [inline]
 [<ffffffff839f9e21>] smp_apic_timer_interrupt+0x81/0xa0 arch/x86/kernel/apic/apic.c:960
 [<ffffffff839f5fb0>] apic_timer_interrupt+0xa0/0xb0 arch/x86/entry/entry_64.S:648
 <EOI> [  775.650741]  [<ffffffff81140c29>] ? wait_consider_task+0x179/0x3630 kernel/exit.c:1375
 [<ffffffff81140c29>] wait_consider_task+0x179/0x3630 kernel/exit.c:1375
 [<ffffffff81144503>] do_wait_thread kernel/exit.c:1494 [inline]
 [<ffffffff81144503>] do_wait+0x423/0x950 kernel/exit.c:1565
 [<ffffffff81145429>] SYSC_wait4 kernel/exit.c:1693 [inline]
 [<ffffffff81145429>] SyS_wait4+0x119/0x1d0 kernel/exit.c:1662
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff839f4653>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Shutting down cpus with NMI
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..