======================================
| [ 231.508601][ C1] #2: ffff888009c351c8 (&fc->bg_lock){+.+.}-{3:3}, at: fuse_request_end (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-atomic.h:41 fs/fuse/dev.c:366) 
| [ 231.508926][ C1] #3: ffffc900001e0d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
| [  231.509271][    C1]
| [  231.509271][    C1] stack backtrace:
[  231.509510][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  231.509514][    C1] Workqueue: events virtio_fs_requests_done_work
[  231.509522][    C1] Call Trace:
[  231.509524][    C1]  <IRQ>
[ 231.509528][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 231.509538][ C1] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[ 231.509548][ C1] __icmp_send (./include/net/net_namespace.h:404 ./include/linux/netdevice.h:2669 net/ipv4/icmp.c:616) 
[ 231.509557][ C1] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 231.509564][ C1] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 231.509569][ C1] ? __pfx___icmp_send (net/ipv4/icmp.c:596) 
[ 231.509571][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 231.509579][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 231.509589][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 231.509595][ C1] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 231.509607][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) 
[ 231.509611][ C1] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:230) 
[ 231.509614][ C1] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 231.509624][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 231.509634][ C1] ipv4_send_dest_unreach (net/ipv4/route.c:1241) 
[ 231.509640][ C1] ? neigh_invalidate (net/core/neighbour.c:1008) 
[ 231.509646][ C1] ? __pfx_ipv4_send_dest_unreach (net/ipv4/route.c:1215) 
[ 231.509662][ C1] ipv4_link_failure (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/route.c:1250) 
[ 231.509670][ C1] arp_error_report (./include/net/dst.h:429 net/ipv4/arp.c:296) 
[ 231.509683][ C1] neigh_invalidate (net/core/neighbour.c:1008) 
[ 231.509696][ C1] neigh_timer_handler (net/core/neighbour.c:1109 (discriminator 2)) 
[ 231.509714][ C1] ? __pfx_neigh_timer_handler (net/core/neighbour.c:1032) 
[ 231.509718][ C1] call_timer_fn (kernel/time/timer.c:1789) 
[ 231.509721][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 231.509724][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 231.509729][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 231.509732][ C1] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:230) 
[ 231.509740][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4323) 
[ 231.509751][ C1] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 231.509755][ C1] ? __pfx_neigh_timer_handler (net/core/neighbour.c:1032) 
[ 231.509765][ C1] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 231.509774][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 231.509779][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 231.509784][ C1] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 231.509786][ C1] ? run_timer_softirq (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435 kernel/time/timer.c:2445) 
[ 231.509796][ C1] run_timer_softirq (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435 kernel/time/timer.c:2445) 
[ 231.509801][ C1] handle_softirqs (kernel/softirq.c:561) 
[ 231.509815][ C1] __irq_exit_rcu (kernel/softirq.c:596 kernel/softirq.c:435 kernel/softirq.c:662) 
[ 231.509818][ C1] irq_exit_rcu (kernel/softirq.c:680) 
[ 231.509821][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  231.509827][    C1]  </IRQ>
[  231.509828][    C1]  <TASK>
[ 231.509830][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 231.509836][ C1] RIP: 0010:queued_spin_lock_slowpath (./arch/x86/include/asm/qspinlock.h:106 kernel/locking/qspinlock.c:324) 
[ 231.509842][ C1] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 bd 06 00 00 b8 01 00 00 00 66 89 45 00 e9 c1 fe ff ff 89 44 24 40 f3 90 <e9> 5d fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03
All code
========
   0:	02 48 89             	add    -0x77(%rax),%cl
   3:	e8 83 e0 07 83       	call   0xffffffff8307e08b
   8:	c0 01 38             	rolb   $0x38,(%rcx)
   b:	d0 7c 08 84          	sarb   -0x7c(%rax,%rcx,1)
   f:	d2 0f                	rorb   %cl,(%rdi)
  11:	85 bd 06 00 00 b8    	test   %edi,-0x47fffffa(%rbp)
  17:	01 00                	add    %eax,(%rax)
  19:	00 00                	add    %al,(%rax)
  1b:	66 89 45 00          	mov    %ax,0x0(%rbp)
  1f:	e9 c1 fe ff ff       	jmp    0xfffffffffffffee5
  24:	89 44 24 40          	mov    %eax,0x40(%rsp)
  28:	f3 90                	pause
  2a:*	e9 5d fe ff ff       	jmp    0xfffffffffffffe8c		<-- trapping instruction
  2f:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  36:	fc ff df 
  39:	48 89 fa             	mov    %rdi,%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	e9 5d fe ff ff       	jmp    0xfffffffffffffe62
   5:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   c:	fc ff df 
   f:	48 89 fa             	mov    %rdi,%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[  231.509845][    C1] RSP: 0018:ffffc90000417960 EFLAGS: 00000202
[  231.509849][    C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffb6935084
[  231.509851][    C1] RDX: ffffed1001386a37 RSI: 0000000000000004 RDI: ffff888009c351b0
[  231.509853][    C1] RBP: ffff888009c351b0 R08: 0000000000000000 R09: ffffed1001386a36
[  231.509854][    C1] R10: ffff888009c351b3 R11: ffff888005e645c0 R12: 1ffff92000082f2e
[  231.509856][    C1] R13: 0000000000000003 R14: ffffed1001386a36 R15: ffffc900004179a0
[ 231.509866][ C1] ? queued_spin_lock_slowpath (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./arch/x86/include/asm/qspinlock.h:102 kernel/locking/qspinlock.c:324) 
[ 231.509878][ C1] ? __pfx_queued_spin_lock_slowpath (kernel/locking/qspinlock.c:314) 
[ 231.509889][ C1] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 231.509896][ C1] do_raw_spin_lock (./include/asm-generic/qspinlock.h:114 kernel/locking/spinlock_debug.c:116) 
[ 231.509901][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 231.509906][ C1] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 231.509909][ C1] ? fuse_request_end (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-atomic.h:41 fs/fuse/dev.c:366) 
[ 231.509920][ C1] fuse_request_end (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-atomic.h:41 fs/fuse/dev.c:366) 
[ 231.509928][ C1] virtio_fs_request_complete (./include/linux/spinlock.h:351 fs/fuse/virtio_fs.c:799) 
[ 231.509943][ C1] virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:851) 
[ 231.509950][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 231.509954][ C1] ? __pfx_virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:814) 
[ 231.509957][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 231.509959][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 231.509965][ C1] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 231.509968][ C1] ? process_one_work (kernel/workqueue.c:3212) 
[ 231.509977][ C1] process_one_work (kernel/workqueue.c:3236) 
[ 231.509994][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 231.510001][ C1] ? __pfx_process_one_work (kernel/workqueue.c:3138) 
[ 231.510019][ C1] ? assign_work (kernel/workqueue.c:1200) 
[ 231.510032][ C1] worker_thread (kernel/workqueue.c:3311 kernel/workqueue.c:3398) 
[ 231.510036][ C1] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 231.510047][ C1] ? __pfx_worker_thread (kernel/workqueue.c:3344) 
[ 231.510053][ C1] kthread (kernel/kthread.c:464) 
[ 231.510060][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 231.510069][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 231.510075][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 231.510081][ C1] ? __pfx_kthread (kernel/kthread.c:413) 


Finger prints:
lockdep_rcu_suspicious:__icmp_send:ipv4_send_dest_unreach:ipv4_link_failure:arp_error_report