SELinux: unrecognized netlink message: protocol=6 nlmsg_type=158 sclass=netlink_xfrm_socket pig=30457 comm=syz-executor2
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=158 sclass=netlink_xfrm_socket pig=30471 comm=syz-executor2
------------[ cut here ]------------
WARNING: CPU: 1 PID: 2362 at kernel/locking/mutex.c:873 __mutex_trylock_slowpath kernel/locking/mutex.c:873 [inline]
WARNING: CPU: 1 PID: 2362 at kernel/locking/mutex.c:873 mutex_trylock+0x2f9/0x3e0 kernel/locking/mutex.c:908
DEBUG_LOCKS_WARN_ON(in_interrupt())
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 2362 Comm: udevd Not tainted 4.9.98-g63a812b #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801db3077f8 ffffffff81eb0e89 ffffffff83c484a0 00000000ffffffff
 0000000000000000 0000000000000001 0000000000000369 ffff8801db3078b8
 ffffffff8141f835 0000000041b58ab3 ffffffff843b86e8 ffffffff8141f676
Call Trace:
 <IRQ> 
 [<ffffffff81eb0e89>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81eb0e89>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8141f835>] panic+0x1bf/0x3bc kernel/panic.c:179
 [<ffffffff8141fb21>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542
 [<ffffffff811344b2>] warn_slowpath_fmt+0xc2/0x100 kernel/panic.c:565
 [<ffffffff839e9779>] __mutex_trylock_slowpath kernel/locking/mutex.c:873 [inline]
 [<ffffffff839e9779>] mutex_trylock+0x2f9/0x3e0 kernel/locking/mutex.c:908
 [<ffffffff81280b09>] exp_funnel_lock kernel/rcu/tree_exp.h:256 [inline]
 [<ffffffff81280b09>] _synchronize_rcu_expedited+0x339/0x840 kernel/rcu/tree_exp.h:569
 [<ffffffff81282063>] synchronize_rcu_expedited kernel/rcu/tree_exp.h:687 [inline]
 [<ffffffff81282063>] synchronize_rcu.part.62+0xd3/0x110 kernel/rcu/tree_plugin.h:676
 [<ffffffff812820c7>] synchronize_rcu+0x27/0x90 kernel/rcu/tree_plugin.h:679
 [<ffffffff836b7aca>] __l2tp_session_unhash+0x38a/0x520 net/l2tp/l2tp_core.c:1796
 [<ffffffff836b7e57>] l2tp_tunnel_closeall+0x1f7/0x350 net/l2tp/l2tp_core.c:1364
 [<ffffffff836b8712>] 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> 
 [<ffffffff839ed479>] mutex_unlock+0x9/0x10 kernel/locking/mutex.c:437
 [<ffffffff816ff1fd>] kernfs_iop_getattr+0x7d/0xa0 fs/kernfs/inode.c:211
 [<ffffffff8157db17>] vfs_getattr_nosec+0xd7/0x130 fs/stat.c:57
 [<ffffffff8157e072>] vfs_getattr+0x32/0x50 fs/stat.c:72
 [<ffffffff8157e0c8>] vfs_fstat+0x38/0x80 fs/stat.c:83
 [<ffffffff8157f66f>] SYSC_newfstat+0x7f/0xf0 fs/stat.c:307
 [<ffffffff8157f82c>] SyS_newfstat+0x1c/0x30 fs/stat.c:304
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff839f4653>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..