======================================
| [ 448.253251][ C1] #1: ffffffffba998ae0 (rcu_read_lock){....}-{1:3}, at: process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
| [ 448.253785][ C1] #2: ffffffffba998ae0 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 net/ipv4/ip_input.c:232) 
| [  448.254409][    C1]
| [  448.254409][    C1] stack backtrace:
[  448.254792][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  448.254796][    C1] Call Trace:
[  448.254799][    C1]  <IRQ>
[ 448.254801][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 448.254813][ C1] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 448.254818][ C1] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 448.254823][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 448.254831][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 448.254841][ C1] mark_lock (kernel/locking/lockdep.c:4754) 
[ 448.254847][ C1] mark_usage (kernel/locking/lockdep.c:4643) 
[ 448.254851][ C1] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 448.254857][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 448.254860][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 448.254865][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 448.254871][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 448.254876][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 448.254882][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 448.254887][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 448.254889][ C1] simple_pin_fs (fs/libfs.c:1066) 
[ 448.254892][ C1] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 448.254896][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 448.254901][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 448.254904][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 448.254908][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 448.254915][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 448.254919][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 448.254924][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 448.254929][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 448.254932][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 448.254936][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 448.254939][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 448.254942][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 448.254945][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 448.254948][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 448.254951][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 448.254955][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 448.254967][ C1] __put_net (net/core/net_namespace.c:732) 
[ 448.254973][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 448.254977][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 448.254987][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 448.254992][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 448.255000][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 448.255005][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 448.255010][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 448.255014][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 448.255019][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 448.255028][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 448.255036][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 448.255040][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 448.255044][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 448.255047][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 448.255050][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 448.255055][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 448.255061][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 448.255066][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 448.255071][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 448.255078][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 448.255082][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 448.255086][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 448.255089][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 448.255097][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 448.255107][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 448.255114][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 448.255120][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 448.255124][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 448.255127][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 448.255131][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 448.255135][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 448.255141][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 448.255150][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 448.255159][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 448.255165][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 448.255167][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 448.255169][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  448.255175][    C1]  </IRQ>
[  448.255177][    C1]  <TASK>
[ 448.255180][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 448.255186][ C1] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 448.255193][ C1] Code: 74 24 10 e8 21 34 75 fd 48 89 ef e8 99 86 75 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> ba 8e 69 fd 65 8b 05 63 28 b3 02 85 c0 74 0e 5b 5d e9 c8 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	21 34 75 fd 48 89 ef 	and    %esi,-0x1076b703(,%rsi,2)
   b:	e8 99 86 75 fd       	call   0xfffffffffd7586a9
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 ba 8e 69 fd       	call   0xfffffffffd698ee9		<-- trapping instruction
  2f:	65 8b 05 63 28 b3 02 	mov    %gs:0x2b32863(%rip),%eax        # 0x2b32899
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	c8                   	.byte 0xc8
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 ba 8e 69 fd       	call   0xfffffffffd698ebf
   5:	65 8b 05 63 28 b3 02 	mov    %gs:0x2b32863(%rip),%eax        # 0x2b3286f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	c8                   	.byte 0xc8
  14:	34 00                	xor    $0x0,%al
[  448.255195][    C1] RSP: 0018:ffffc90001b377a8 EFLAGS: 00000206
[  448.255199][    C1] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[  448.255201][    C1] RDX: 0000000000000000 RSI: ffffffffba4ba935 RDI: 0000000000000001
[  448.255202][    C1] RBP: ffff8880010bf940 R08: 0000000000000001 R09: 0000000000000001
[  448.255204][    C1] R10: ffffffffbb441797 R11: ffff8880010bf958 R12: ffff8880010bf940
[  448.255206][    C1] R13: ffffea0000378a00 R14: ffff8880019c2ac0 R15: ffff88800de28ac0
[ 448.255216][ C1] get_partial_node.part.0 (mm/slub.c:2902) 
[ 448.255227][ C1] ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 448.255233][ C1] ? vm_area_alloc (kernel/fork.c:441) 
[ 448.255240][ C1] ? vm_area_alloc (kernel/fork.c:441) 
[ 448.255243][ C1] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 448.255248][ C1] ? vm_area_alloc (kernel/fork.c:441) 
[ 448.255251][ C1] kmem_cache_alloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4203) 
[ 448.255254][ C1] ? vma_merge_new_range (mm/vma.c:1019 (discriminator 1)) 
[ 448.255263][ C1] vm_area_alloc (kernel/fork.c:441) 
[ 448.255269][ C1] __mmap_region (mm/vma.c:2402 mm/vma.c:2519) 
[ 448.255277][ C1] ? __pfx___mmap_region (mm/vma.c:2499) 
[ 448.255283][ C1] ? mas_find (lib/maple_tree.c:6016) 
[ 448.255303][ C1] ? mmap_region (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/mman.h:202 mm/vma.c:2581) 
[ 448.255311][ C1] do_mmap (mm/mmap.c:561) 
[ 448.255321][ C1] ? __pfx_do_mmap (mm/mmap.c:342) 
[ 448.255325][ C1] ? down_write_killable (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1307 kernel/locking/rwsem.c:1318 kernel/locking/rwsem.c:1590) 
[ 448.255328][ C1] ? __pfx_down_write_killable (kernel/locking/rwsem.c:1586) 
[ 448.255334][ C1] vm_mmap_pgoff (mm/util.c:579) 
[ 448.255339][ C1] ? __pfx_vm_mmap_pgoff (mm/util.c:567) 
[ 448.255342][ C1] ? __fget_files (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 fs/file.c:1057) 
[ 448.255345][ C1] ? __fget_files (fs/file.c:1060) 
[ 448.255353][ C1] ksys_mmap_pgoff (mm/mmap.c:607) 
[ 448.255359][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 448.255366][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 448.255371][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  448.255374][    C1] RIP: 0033:0x7f65a78ec116
[ 448.255379][ C1] Code: 5d 41 5c c3 f3 0f 1e fa 41 f7 c1 ff 0f 00 00 75 2b 55 48 89 fd 53 89 cb 48 85 ff 74 37 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 62 5b 5d c3 0f 1f 80 00 00 00 00 c7 05 ae f0
All code
========
   0:	5d                   	pop    %rbp
   1:	41 5c                	pop    %r12
   3:	c3                   	ret
   4:	f3 0f 1e fa          	endbr64
   8:	41 f7 c1 ff 0f 00 00 	test   $0xfff,%r9d
   f:	75 2b                	jne    0x3c
  11:	55                   	push   %rbp
  12:	48 89 fd             	mov    %rdi,%rbp
  15:	53                   	push   %rbx
  16:	89 cb                	mov    %ecx,%ebx
  18:	48 85 ff             	test   %rdi,%rdi
  1b:	74 37                	je     0x54
  1d:	41 89 da             	mov    %ebx,%r10d
  20:	48 89 ef             	mov    %rbp,%rdi
  23:	b8 09 00 00 00       	mov    $0x9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 62                	ja     0x94
  32:	5b                   	pop    %rbx
  33:	5d                   	pop    %rbp
  34:	c3                   	ret
  35:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3c:	c7                   	.byte 0xc7
  3d:	05                   	.byte 0x5
  3e:	ae                   	scas   %es:(%rdi),%al
  3f:	f0                   	lock

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 62                	ja     0x6a
   8:	5b                   	pop    %rbx
   9:	5d                   	pop    %rbp
   a:	c3                   	ret
   b:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  12:	c7                   	.byte 0xc7
  13:	05                   	.byte 0x5
  14:	ae                   	scas   %es:(%rdi),%al
  15:	f0                   	lock
[  448.255381][    C1] RSP: 002b:00007ffe1ba8c898 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[  448.255384][    C1] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f65a78ec116
[  448.255386][    C1] RDX: 0000000000000003 RSI: 0000000000001000 RDI: 00007f65a78b8000
[  448.255387][    C1] RBP: 00007f65a78b8000 R08: 0000000000000005 R09: 0000000000002000
[  448.255389][    C1] R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffe1ba8c940
[  448.255391][    C1] R13: 00007ffe1ba8ccb0 R14: 0000000000000000 R15: 00007f65a78ba420
| [  448.292232][    C1] RCU nest depth: 2, expected: 0
| [  448.292508][    C1] INFO: lockdep is turned off.
| [  448.292781][    C1] Preemption disabled at:
| [ 448.292783][ C1] __slab_alloc.constprop.0 (mm/slub.c:3945) 
[  448.293519][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  448.293522][    C1] Call Trace:
[  448.293524][    C1]  <IRQ>
[ 448.293525][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 448.293537][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 448.293546][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 448.293551][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 448.293554][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 448.293560][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 448.293569][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 448.293576][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 448.293579][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 448.293583][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 448.293591][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 448.293596][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 448.293603][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 448.293608][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 448.293612][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 448.293618][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 448.293621][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 448.293626][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 448.293631][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 448.293635][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 448.293642][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 448.293647][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 448.293651][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 448.293654][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 448.293658][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 448.293660][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 448.293662][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 448.293671][ C1] __put_net (net/core/net_namespace.c:732) 
[ 448.293677][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 448.293684][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 448.293691][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 448.293695][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 448.293699][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 448.293704][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 448.293711][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 448.293718][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 448.293724][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 448.293731][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 448.293736][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 448.293739][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 448.293743][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 448.293746][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 448.293751][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 448.293757][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 448.293761][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 448.293764][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 448.293767][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 448.293772][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 448.293776][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 448.293779][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 448.293782][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 448.293787][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 448.293792][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 448.293797][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 448.293803][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 448.293807][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 448.293810][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 448.293815][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 448.293819][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 448.293823][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 448.293828][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 448.293833][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 448.293837][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 448.293840][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 448.293842][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  448.293846][    C1]  </IRQ>
[  448.293847][    C1]  <TASK>
[ 448.293848][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 448.293852][ C1] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 448.293857][ C1] Code: 74 24 10 e8 21 34 75 fd 48 89 ef e8 99 86 75 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> ba 8e 69 fd 65 8b 05 63 28 b3 02 85 c0 74 0e 5b 5d e9 c8 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	21 34 75 fd 48 89 ef 	and    %esi,-0x1076b703(,%rsi,2)
   b:	e8 99 86 75 fd       	call   0xfffffffffd7586a9
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 ba 8e 69 fd       	call   0xfffffffffd698ee9		<-- trapping instruction
  2f:	65 8b 05 63 28 b3 02 	mov    %gs:0x2b32863(%rip),%eax        # 0x2b32899
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	c8                   	.byte 0xc8
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 ba 8e 69 fd       	call   0xfffffffffd698ebf
   5:	65 8b 05 63 28 b3 02 	mov    %gs:0x2b32863(%rip),%eax        # 0x2b3286f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	c8                   	.byte 0xc8
  14:	34 00                	xor    $0x0,%al
[  448.293860][    C1] RSP: 0018:ffffc90001b377a8 EFLAGS: 00000206
[  448.293863][    C1] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[  448.293865][    C1] RDX: 0000000000000000 RSI: ffffffffba4ba935 RDI: 0000000000000001
[  448.293867][    C1] RBP: ffff8880010bf940 R08: 0000000000000001 R09: 0000000000000001
[  448.293869][    C1] R10: ffffffffbb441797 R11: ffff8880010bf958 R12: ffff8880010bf940
[  448.293871][    C1] R13: ffffea0000378a00 R14: ffff8880019c2ac0 R15: ffff88800de28ac0
[ 448.293877][ C1] get_partial_node.part.0 (mm/slub.c:2902) 
[ 448.293883][ C1] ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 448.293886][ C1] ? vm_area_alloc (kernel/fork.c:441) 
[ 448.293893][ C1] ? vm_area_alloc (kernel/fork.c:441) 
[ 448.293896][ C1] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 448.293900][ C1] ? vm_area_alloc (kernel/fork.c:441) 
[ 448.293904][ C1] kmem_cache_alloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4203) 
[ 448.293907][ C1] ? vma_merge_new_range (mm/vma.c:1019 (discriminator 1)) 
[ 448.293913][ C1] vm_area_alloc (kernel/fork.c:441) 
[ 448.293916][ C1] __mmap_region (mm/vma.c:2402 mm/vma.c:2519) 
[ 448.293922][ C1] ? __pfx___mmap_region (mm/vma.c:2499) 
[ 448.293927][ C1] ? mas_find (lib/maple_tree.c:6016) 
[ 448.293958][ C1] ? mmap_region (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/mman.h:202 mm/vma.c:2581) 
[ 448.293963][ C1] do_mmap (mm/mmap.c:561) 
[ 448.293970][ C1] ? __pfx_do_mmap (mm/mmap.c:342) 
[ 448.293974][ C1] ? down_write_killable (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1307 kernel/locking/rwsem.c:1318 kernel/locking/rwsem.c:1590) 
[ 448.293977][ C1] ? __pfx_down_write_killable (kernel/locking/rwsem.c:1586) 
[ 448.293982][ C1] vm_mmap_pgoff (mm/util.c:579) 
[ 448.293988][ C1] ? __pfx_vm_mmap_pgoff (mm/util.c:567) 
[ 448.293992][ C1] ? __fget_files (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 fs/file.c:1057) 
[ 448.293996][ C1] ? __fget_files (fs/file.c:1060) 
[ 448.294000][ C1] ksys_mmap_pgoff (mm/mmap.c:607) 
[ 448.294004][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 448.294008][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 448.294012][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  448.294014][    C1] RIP: 0033:0x7f65a78ec116
[ 448.294019][ C1] Code: 5d 41 5c c3 f3 0f 1e fa 41 f7 c1 ff 0f 00 00 75 2b 55 48 89 fd 53 89 cb 48 85 ff 74 37 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 62 5b 5d c3 0f 1f 80 00 00 00 00 c7 05 ae f0
All code
========
   0:	5d                   	pop    %rbp
   1:	41 5c                	pop    %r12
   3:	c3                   	ret
   4:	f3 0f 1e fa          	endbr64
   8:	41 f7 c1 ff 0f 00 00 	test   $0xfff,%r9d
   f:	75 2b                	jne    0x3c
  11:	55                   	push   %rbp
  12:	48 89 fd             	mov    %rdi,%rbp
  15:	53                   	push   %rbx
  16:	89 cb                	mov    %ecx,%ebx
  18:	48 85 ff             	test   %rdi,%rdi
  1b:	74 37                	je     0x54
  1d:	41 89 da             	mov    %ebx,%r10d
  20:	48 89 ef             	mov    %rbp,%rdi
  23:	b8 09 00 00 00       	mov    $0x9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 62                	ja     0x94
  32:	5b                   	pop    %rbx
  33:	5d                   	pop    %rbp
  34:	c3                   	ret
  35:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3c:	c7                   	.byte 0xc7
  3d:	05                   	.byte 0x5
  3e:	ae                   	scas   %es:(%rdi),%al
  3f:	f0                   	lock

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 62                	ja     0x6a
   8:	5b                   	pop    %rbx
   9:	5d                   	pop    %rbp
   a:	c3                   	ret
   b:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  12:	c7                   	.byte 0xc7
  13:	05                   	.byte 0x5
  14:	ae                   	scas   %es:(%rdi),%al
  15:	f0                   	lock
[  448.294022][    C1] RSP: 002b:00007ffe1ba8c898 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[  448.294025][    C1] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f65a78ec116
[  448.294027][    C1] RDX: 0000000000000003 RSI: 0000000000001000 RDI: 00007f65a78b8000
[  448.294029][    C1] RBP: 00007f65a78b8000 R08: 0000000000000005 R09: 0000000000002000
[  448.294031][    C1] R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffe1ba8c940
[  448.294033][    C1] R13: 00007ffe1ba8ccb0 R14: 0000000000000000 R15: 00007f65a78ba420
| [  452.013524][    C0] INFO: lockdep is turned off.
| [  452.013724][    C0] Preemption disabled at:
| [ 452.013726][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [  452.014207][    C0] Tainted: [W]=WARN
[  452.014209][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  452.014211][    C0] Call Trace:
[  452.014213][    C0]  <IRQ>
[ 452.014215][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 452.014222][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 452.014229][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 452.014233][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 452.014236][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 452.014241][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 452.014247][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 452.014252][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 452.014255][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 452.014259][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 452.014263][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 452.014266][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 452.014272][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 452.014275][ C0] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 452.014280][ C0] ? call_timer_fn (kernel/time/timer.c:1790) 
[ 452.014285][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 452.014288][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 452.014291][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 452.014293][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 452.014296][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 452.014300][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 452.014304][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 452.014307][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 452.014310][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 452.014313][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 452.014317][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 452.014320][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 452.014323][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 452.014329][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 452.014333][ C0] __put_net (net/core/net_namespace.c:732) 
[ 452.014338][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 452.014342][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 452.014346][ C0] call_timer_fn (kernel/time/timer.c:1790) 
[ 452.014349][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 452.014352][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 452.014355][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 452.014358][ C0] ? perf_event_task_tick (kernel/events/core.c:4455) 
[ 452.014365][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 452.014370][ C0] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 452.014373][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 452.014378][ C0] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 452.014382][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 452.014385][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 452.014389][ C0] ? 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) 
[ 452.014392][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 452.014395][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 452.014398][ C0] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 452.014403][ C0] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 452.014407][ C0] run_timer_softirq (kernel/time/timer.c:2446) 
[ 452.014410][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 452.014415][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 452.014417][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 452.014419][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  452.014423][    C0]  </IRQ>
[  452.014424][    C0]  <TASK>
[ 452.014426][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 452.014428][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 452.014432][ C0] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  452.014435][    C0] RSP: 0018:ffffffffba607df8 EFLAGS: 00000246
[  452.014438][    C0] RAX: 0000000000000000 RBX: 1ffffffff74c0fc3 RCX: ffffffffb986aa19
[  452.014441][    C0] RDX: ffffed1006c0667b RSI: ffffffffb9c51220 RDI: ffffffffb6f8933f
[  452.014443][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c0667a
[  452.014445][    C0] R10: ffff8880360333d3 R11: ffff88800f61a858 R12: 0000000000000000
[  452.014446][    C0] R13: ffffffffba643240 R14: dffffc0000000000 R15: 0000000000014770
[ 452.014451][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 452.014454][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 452.014459][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 452.014462][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 452.014465][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 452.014468][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 452.014473][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 452.014479][ C0] do_idle (kernel/sched/idle.c:325) 
[ 452.014483][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 452.014487][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 452.014491][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 452.014496][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 452.014501][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 452.014505][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  475.312598][    C2] INFO: lockdep is turned off.
| [  475.312825][    C2] Preemption disabled at:
| [ 475.312827][ C2] 0x0 
| [  475.313253][    C2] Tainted: [W]=WARN
[  475.313255][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  475.313257][    C2] Call Trace:
[  475.313259][    C2]  <IRQ>
[ 475.313261][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 475.313274][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 475.313282][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 475.313288][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 475.313291][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 475.313297][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 475.313304][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 475.313310][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 475.313313][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 475.313319][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 475.313323][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 475.313326][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 475.313332][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 475.313335][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 475.313341][ C2] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 475.313349][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 475.313352][ C2] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 475.313358][ C2] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 475.313362][ C2] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 475.313365][ C2] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 475.313371][ C2] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 475.313374][ C2] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 475.313377][ C2] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 475.313380][ C2] ? handle_softirqs (kernel/softirq.c:579) 
[ 475.313385][ C2] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 475.313387][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 475.313389][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 475.313396][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 475.313403][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 475.313408][ C2] __put_net (net/core/net_namespace.c:732) 
[ 475.313414][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 475.313418][ C2] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 475.313424][ C2] icmp_unreach (net/ipv4/icmp.c:969) 
[ 475.313429][ C2] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 475.313434][ C2] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 475.313439][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 475.313444][ C2] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 475.313447][ C2] ? 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) 
[ 475.313452][ C2] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 475.313455][ C2] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 475.313459][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 475.313463][ C2] ? ip_fast_csum (lib/checksum.c:99) 
[ 475.313468][ C2] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 475.313473][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 475.313476][ C2] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 475.313480][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 475.313485][ C2] ? __pfx___alloc_skb (net/core/skbuff.c:643) 
[ 475.313488][ C2] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) 
[ 475.313492][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 475.313495][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 475.313498][ C2] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 475.313502][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 475.313506][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 475.313510][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 475.313515][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 475.313520][ C2] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 475.313524][ C2] ? call_timer_fn (kernel/time/timer.c:1794) 
[ 475.313530][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 475.313534][ C2] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 475.313538][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 475.313542][ C2] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 475.313549][ C2] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 475.313553][ C2] ? rcu_start_this_gp (kernel/rcu/tree.c:1013) 
[ 475.313559][ C2] ? trace_rcu_quiescent_state_report (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736 ./include/trace/events/rcu.h:368) 
[ 475.313564][ C2] ? rcu_report_qs_rnp (kernel/rcu/tree.c:2318 (discriminator 9)) 
[ 475.313568][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 475.313572][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 475.313578][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 475.313583][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 475.313586][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 475.313588][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  475.313592][    C2]  </IRQ>
[  475.313593][    C2]  <TASK>
[ 475.313594][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 475.313599][ C2] RIP: 0010:preempt_count_sub (kernel/sched/core.c:5879) 
[ 475.313603][ C2] Code: 44 00 00 48 c7 c7 20 f9 40 bc e9 eb ac 5c 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 0f 1f 44 00 00 48 c7 c0 60 38 ec bc 53 89 fb 48 ba 00
All code
========
   0:	44 00 00             	add    %r8b,(%rax)
   3:	48 c7 c7 20 f9 40 bc 	mov    $0xffffffffbc40f920,%rdi
   a:	e9 eb ac 5c 00       	jmp    0x5cacfa
   f:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  16:	00 00 00 00 
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	90                   	nop
  26:	90                   	nop
  27:	90                   	nop
  28:	90                   	nop
  29:	90                   	nop
  2a:*	f3 0f 1e fa          	endbr64		<-- trapping instruction
  2e:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  33:	48 c7 c0 60 38 ec bc 	mov    $0xffffffffbcec3860,%rax
  3a:	53                   	push   %rbx
  3b:	89 fb                	mov    %edi,%ebx
  3d:	48                   	rex.W
  3e:	ba                   	.byte 0xba
	...

Code starting with the faulting instruction
===========================================
   0:	f3 0f 1e fa          	endbr64
   4:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   9:	48 c7 c0 60 38 ec bc 	mov    $0xffffffffbcec3860,%rax
  10:	53                   	push   %rbx
  11:	89 fb                	mov    %edi,%ebx
  13:	48                   	rex.W
  14:	ba                   	.byte 0xba
	...
[  475.313606][    C2] RSP: 0018:ffffc900022a7840 EFLAGS: 00000206
[  475.313611][    C2] RAX: 0000000000000046 RBX: 0000000000000200 RCX: ffffffffb72399df
[  475.313613][    C2] RDX: 0000000000000000 RSI: ffffffffb9c51220 RDI: 0000000000000001
[  475.313615][    C2] RBP: ffff88800104f440 R08: 0000000000000000 R09: 0000000000000000
[  475.313617][    C2] R10: ffffffffbb441797 R11: ffffc900022a7678 R12: ffff88800d7129a4
[  475.313619][    C2] R13: 0000000000000000 R14: ffffc900022a7898 R15: ffff888002d844e8
[ 475.313623][ C2] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:587 ./include/linux/cpumask.h:1143 ./include/trace/events/preemptirq.h:40) 
[ 475.313627][ C2] _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 475.313633][ C2] qlist_free_all (mm/kasan/quarantine.c:174) 
[ 475.313640][ C2] kasan_quarantine_reduce (./include/linux/srcu.h:400 mm/kasan/quarantine.c:287) 
[ 475.313645][ C2] __kasan_slab_alloc (mm/kasan/common.c:329) 
[ 475.313650][ C2] kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 475.313657][ C2] ? vma_merge_new_range (mm/vma.c:1019) 
[ 475.313663][ C2] vm_area_alloc (kernel/fork.c:441) 
[ 475.313670][ C2] __mmap_region (mm/vma.c:2402 mm/vma.c:2519) 
[ 475.313675][ C2] ? __pfx___mmap_region (mm/vma.c:2499) 
[ 475.313681][ C2] ? mas_find (lib/maple_tree.c:6016) 
[ 475.313697][ C2] ? mm_get_unmapped_area_vmflags (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 mm/mmap.c:808) 
[ 475.313705][ C2] ? mmap_region (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/mman.h:202 mm/vma.c:2581) 
[ 475.313710][ C2] do_mmap (mm/mmap.c:561) 
[ 475.313715][ C2] ? __pfx_do_mmap (mm/mmap.c:342) 
[ 475.313718][ C2] ? down_write_killable (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1307 kernel/locking/rwsem.c:1318 kernel/locking/rwsem.c:1590) 
[ 475.313722][ C2] ? __pfx_down_write_killable (kernel/locking/rwsem.c:1586) 
[ 475.313727][ C2] vm_mmap_pgoff (mm/util.c:579) 
[ 475.313734][ C2] ? __pfx_vm_mmap_pgoff (mm/util.c:567) 
[ 475.313738][ C2] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 475.313741][ C2] ? __fget_files (fs/file.c:1060) 
[ 475.313747][ C2] ksys_mmap_pgoff (mm/mmap.c:607) 
[ 475.313750][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 475.313755][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 475.313758][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  475.313761][    C2] RIP: 0033:0x7fae6943d116
[ 475.313764][ C2] Code: 5d 41 5c c3 f3 0f 1e fa 41 f7 c1 ff 0f 00 00 75 2b 55 48 89 fd 53 89 cb 48 85 ff 74 37 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 62 5b 5d c3 0f 1f 80 00 00 00 00 c7 05 ae f0
All code
========
   0:	5d                   	pop    %rbp
   1:	41 5c                	pop    %r12
   3:	c3                   	ret
   4:	f3 0f 1e fa          	endbr64
   8:	41 f7 c1 ff 0f 00 00 	test   $0xfff,%r9d
   f:	75 2b                	jne    0x3c
  11:	55                   	push   %rbp
  12:	48 89 fd             	mov    %rdi,%rbp
  15:	53                   	push   %rbx
  16:	89 cb                	mov    %ecx,%ebx
  18:	48 85 ff             	test   %rdi,%rdi
  1b:	74 37                	je     0x54
  1d:	41 89 da             	mov    %ebx,%r10d
  20:	48 89 ef             	mov    %rbp,%rdi
  23:	b8 09 00 00 00       	mov    $0x9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 62                	ja     0x94
  32:	5b                   	pop    %rbx
  33:	5d                   	pop    %rbp
  34:	c3                   	ret
  35:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3c:	c7                   	.byte 0xc7
  3d:	05                   	.byte 0x5
  3e:	ae                   	scas   %es:(%rdi),%al
  3f:	f0                   	lock

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 62                	ja     0x6a
   8:	5b                   	pop    %rbx
   9:	5d                   	pop    %rbp
   a:	c3                   	ret
   b:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  12:	c7                   	.byte 0xc7
  13:	05                   	.byte 0x5
  14:	ae                   	scas   %es:(%rdi),%al
  15:	f0                   	lock
[  475.313767][    C2] RSP: 002b:00007fff950679b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[  475.313770][    C2] RAX: ffffffffffffffda RBX: 0000000000000802 RCX: 00007fae6943d116
[  475.313772][    C2] RDX: 0000000000000001 RSI: 0000000000006008 RDI: 0000000000000000
[  475.313773][    C2] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[  475.313775][    C2] R10: 0000000000000802 R11: 0000000000000246 R12: 0000000000000fff
[  475.313777][    C2] R13: 00007fff95067dd0 R14: 0000000000000000 R15: 00007fae6940c840
| [  502.448661][    C2] INFO: lockdep is turned off.
| [  502.448923][    C2] Preemption disabled at:
| [ 502.448925][ C2] 0x0 
| [  502.449400][    C2] Tainted: [W]=WARN
[  502.449402][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  502.449404][    C2] Call Trace:
[  502.449407][    C2]  <IRQ>
[ 502.449409][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 502.449421][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 502.449430][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 502.449435][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 502.449439][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 502.449444][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 502.449452][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 502.449458][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 502.449461][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 502.449467][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 502.449471][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 502.449474][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 502.449480][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 502.449483][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 502.449489][ C2] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 502.449497][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 502.449500][ C2] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 502.449507][ C2] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 502.449510][ C2] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 502.449513][ C2] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 502.449519][ C2] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 502.449522][ C2] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 502.449526][ C2] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 502.449529][ C2] ? handle_softirqs (kernel/softirq.c:579) 
[ 502.449533][ C2] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 502.449536][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 502.449538][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 502.449544][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 502.449552][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 502.449557][ C2] __put_net (net/core/net_namespace.c:732) 
[ 502.449563][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 502.449567][ C2] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 502.449573][ C2] icmp_unreach (net/ipv4/icmp.c:969) 
[ 502.449578][ C2] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 502.449583][ C2] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 502.449586][ C2] ? path_openat (fs/namei.c:4035) 
[ 502.449592][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 502.449597][ C2] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 502.449600][ C2] ? 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) 
[ 502.449604][ C2] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 502.449608][ C2] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 502.449612][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 502.449616][ C2] ? ip_fast_csum (lib/checksum.c:99) 
[ 502.449622][ C2] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 502.449627][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 502.449630][ C2] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 502.449634][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 502.449639][ C2] ? __pfx___alloc_skb (net/core/skbuff.c:643) 
[ 502.449643][ C2] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) 
[ 502.449647][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 502.449650][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 502.449653][ C2] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 502.449657][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 502.449661][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 502.449665][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 502.449669][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 502.449673][ C2] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 502.449678][ C2] ? call_timer_fn (kernel/time/timer.c:1794) 
[ 502.449682][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 502.449686][ C2] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 502.449689][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 502.449693][ C2] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 502.449701][ C2] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 502.449706][ C2] ? __pfx_trace_lock_release (./include/trace/events/lock.h:69) 
[ 502.449716][ C2] ? spin_bug (kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 502.449720][ C2] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12187) 
[ 502.449733][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 502.449738][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 502.449740][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 502.449743][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  502.449746][    C2]  </IRQ>
[  502.449748][    C2]  <TASK>
[ 502.449749][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 502.449755][ C2] RIP: 0010:__orc_find (arch/x86/kernel/unwind_orc.c:80 arch/x86/kernel/unwind_orc.c:102) 
[ 502.449762][ C2] Code: e5 77 4e 4c 89 e2 48 29 ea 48 89 d6 48 c1 ea 3f 48 c1 fe 02 48 01 f2 48 d1 fa 48 8d 5c 95 00 48 89 da 48 c1 ea 03 0f b6 34 0a <48> 89 da 83 e2 07 83 c2 03 40 38 f2 7c 05 40 84 f6 75 4b 48 63 13
All code
========
   0:	e5 77                	in     $0x77,%eax
   2:	4e                   	rex.WRX
   3:	4c 89 e2             	mov    %r12,%rdx
   6:	48 29 ea             	sub    %rbp,%rdx
   9:	48 89 d6             	mov    %rdx,%rsi
   c:	48 c1 ea 3f          	shr    $0x3f,%rdx
  10:	48 c1 fe 02          	sar    $0x2,%rsi
  14:	48 01 f2             	add    %rsi,%rdx
  17:	48 d1 fa             	sar    $1,%rdx
  1a:	48 8d 5c 95 00       	lea    0x0(%rbp,%rdx,4),%rbx
  1f:	48 89 da             	mov    %rbx,%rdx
  22:	48 c1 ea 03          	shr    $0x3,%rdx
  26:	0f b6 34 0a          	movzbl (%rdx,%rcx,1),%esi
  2a:*	48 89 da             	mov    %rbx,%rdx		<-- trapping instruction
  2d:	83 e2 07             	and    $0x7,%edx
  30:	83 c2 03             	add    $0x3,%edx
  33:	40 38 f2             	cmp    %sil,%dl
  36:	7c 05                	jl     0x3d
  38:	40 84 f6             	test   %sil,%sil
  3b:	75 4b                	jne    0x88
  3d:	48 63 13             	movslq (%rbx),%rdx

Code starting with the faulting instruction
===========================================
   0:	48 89 da             	mov    %rbx,%rdx
   3:	83 e2 07             	and    $0x7,%edx
   6:	83 c2 03             	add    $0x3,%edx
   9:	40 38 f2             	cmp    %sil,%dl
   c:	7c 05                	jl     0x13
   e:	40 84 f6             	test   %sil,%sil
  11:	75 4b                	jne    0x5e
  13:	48 63 13             	movslq (%rbx),%rdx
[  502.449766][    C2] RSP: 0018:ffffc90000d86d88 EFLAGS: 00000a02
[  502.449770][    C2] RAX: ffffffffbb90ed74 RBX: ffffffffbb576460 RCX: dffffc0000000000
[  502.449773][    C2] RDX: 1ffffffff76aec8c RSI: 0000000000000000 RDI: ffffffffbb576460
[  502.449775][    C2] RBP: ffffffffbb576460 R08: 0000000000000000 R09: ffffc90000d86f09
[  502.449777][    C2] R10: ffffffffb6e0f3f7 R11: ffffc90000d86f08 R12: ffffffffbb576460
[  502.449779][    C2] R13: ffffffffb778eccc R14: ffffffffbb576460 R15: ffffffffbb576460
[ 502.449782][ C2] ? pick_link (fs/namei.c:1940) 
[ 502.449789][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 502.449796][ C2] unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 502.449800][ C2] ? pick_link (fs/namei.c:1940) 
[ 502.449804][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 502.449809][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 502.449814][ C2] ? pick_link (fs/namei.c:1940) 
[ 502.449817][ C2] ? kernel_text_address (kernel/extable.c:99) 
[ 502.449823][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 502.449826][ C2] ? virtqueue_add_split (drivers/virtio/virtio_ring.c:493 drivers/virtio/virtio_ring.c:564) 
[ 502.449833][ C2] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 502.449841][ C2] ? pick_link (fs/namei.c:1940) 
[ 502.449845][ C2] stack_trace_save (kernel/stacktrace.c:123) 
[ 502.449849][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 502.449852][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 502.449857][ C2] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 502.449860][ C2] ? kernel_text_address (kernel/extable.c:99) 
[ 502.449863][ C2] kasan_save_stack (mm/kasan/common.c:48) 
[ 502.449868][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 502.449871][ C2] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 502.449874][ C2] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 502.449877][ C2] ? __kmalloc_noprof (mm/slub.c:4328 mm/slub.c:4339) 
[ 502.449882][ C2] ? virtqueue_add_split (drivers/virtio/virtio_ring.c:493 drivers/virtio/virtio_ring.c:564) 
[ 502.449885][ C2] ? virtqueue_add_sgs (drivers/virtio/virtio_ring.c:2282 drivers/virtio/virtio_ring.c:2316) 
[ 502.449887][ C2] ? virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1440) 
[ 502.449892][ C2] ? virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 502.449895][ C2] ? __fuse_simple_request (fs/fuse/dev.c:578 fs/fuse/dev.c:672) 
[ 502.449900][ C2] ? fuse_readlink_page (fs/fuse/dir.c:144 fs/fuse/dir.c:1636) 
[ 502.449902][ C2] ? fuse_get_link (fs/fuse/dir.c:1673) 
[ 502.449904][ C2] ? pick_link (fs/namei.c:1940) 
[ 502.449908][ C2] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 502.449912][ C2] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 502.449915][ C2] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 502.449921][ C2] ? 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) 
[ 502.449924][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 502.449926][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 502.449931][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 502.449934][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 502.449939][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 502.449945][ C2] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 502.449948][ C2] __kasan_kmalloc (mm/kasan/common.c:398) 
[ 502.449952][ C2] __kmalloc_noprof (mm/slub.c:4328 mm/slub.c:4339) 
[ 502.449957][ C2] virtqueue_add_split (drivers/virtio/virtio_ring.c:493 drivers/virtio/virtio_ring.c:564) 
[ 502.449961][ C2] ? trace_lock_release (./arch/x86/include/asm/jump_label.h:36 ./include/trace/events/lock.h:69) 
[ 502.449966][ C2] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 502.449970][ C2] ? __pfx_virtqueue_add_split (drivers/virtio/virtio_ring.c:538) 
[ 502.449977][ C2] virtqueue_add_sgs (drivers/virtio/virtio_ring.c:2282 drivers/virtio/virtio_ring.c:2316) 
[ 502.449982][ C2] virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1440) 
[ 502.449988][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 502.449992][ C2] ? __pfx_virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1376) 
[ 502.449996][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 502.450004][ C2] ? 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) 
[ 502.450007][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 502.450010][ C2] ? fuse_get_unique (fs/fuse/dev.c:317) 
[ 502.450012][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 502.450016][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 502.450020][ C2] virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 502.450024][ C2] ? fuse_send_one (fs/fuse/dev.c:400) 
[ 502.450028][ C2] __fuse_simple_request (fs/fuse/dev.c:578 fs/fuse/dev.c:672) 
[ 502.450032][ C2] fuse_readlink_page (fs/fuse/dir.c:144 fs/fuse/dir.c:1636) 
[ 502.450035][ C2] ? __pfx_fuse_readlink_page (fs/fuse/dir.c:1616) 
[ 502.450043][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 502.450046][ C2] ? try_to_unlazy (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 fs/namei.c:744 fs/namei.c:852) 
[ 502.450049][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 502.450054][ C2] fuse_get_link (fs/fuse/dir.c:1673) 
[ 502.450057][ C2] pick_link (fs/namei.c:1940) 
[ 502.450061][ C2] ? __pfx_fuse_get_link (fs/fuse/dir.c:1652) 
[ 502.450065][ C2] step_into (fs/namei.c:2008) 
[ 502.450067][ C2] ? __d_lookup_rcu (./arch/x86/include/asm/word-at-a-time.h:74 fs/dcache.c:261 fs/dcache.c:312 fs/dcache.c:2288) 
[ 502.450073][ C2] ? __pfx_step_into (fs/namei.c:1973) 
[ 502.450076][ C2] ? lookup_fast (fs/namei.c:929 fs/namei.c:925 fs/namei.c:1765) 
[ 502.450081][ C2] link_path_walk.part.0.constprop.0 (fs/namei.c:2505) 
[ 502.450084][ C2] ? __raw_spin_lock_init (kernel/locking/spinlock_debug.c:27) 
[ 502.450087][ C2] ? __pfx_link_path_walk.part.0.constprop.0 (fs/namei.c:2428) 
[ 502.450093][ C2] path_openat (fs/namei.c:4035) 
[ 502.450096][ C2] ? __pfx_path_openat (fs/namei.c:4021) 
[ 502.450100][ C2] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 502.450104][ C2] do_filp_open (fs/namei.c:4066) 
[ 502.450108][ C2] ? __pfx_do_filp_open (fs/namei.c:4060) 
[ 502.450110][ C2] ? 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) 
[ 502.450116][ C2] ? 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) 
[ 502.450119][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 502.450121][ C2] ? alloc_fd (fs/file.c:597) 
[ 502.450125][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 502.450128][ C2] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 502.450132][ C2] ? alloc_fd (fs/file.c:597) 
[ 502.450136][ C2] do_sys_openat2 (fs/open.c:1429) 
[ 502.450141][ C2] ? __pfx_do_sys_openat2 (fs/open.c:1414) 
[ 502.450144][ C2] ? __up_read (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1352) 
[ 502.450148][ C2] ? handle_mm_fault (mm/memory.c:6321) 
[ 502.450155][ C2] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 502.450158][ C2] __x64_sys_openat (fs/open.c:1455) 
[ 502.450162][ C2] ? __pfx___x64_sys_openat (fs/open.c:1455) 
[ 502.450166][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 502.450171][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 502.450174][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  502.450177][    C2] RIP: 0033:0x7fbafe688f68
[ 502.450180][ C2] Code: f9 41 89 f0 41 83 e2 40 75 30 89 f0 25 00 00 41 00 3d 00 00 41 00 74 22 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 30 c3 0f 1f 80 00 00 00 00 48 8d 44 24 08 c7
All code
========
   0:	f9                   	stc
   1:	41 89 f0             	mov    %esi,%r8d
   4:	41 83 e2 40          	and    $0x40,%r10d
   8:	75 30                	jne    0x3a
   a:	89 f0                	mov    %esi,%eax
   c:	25 00 00 41 00       	and    $0x410000,%eax
  11:	3d 00 00 41 00       	cmp    $0x410000,%eax
  16:	74 22                	je     0x3a
  18:	44 89 c2             	mov    %r8d,%edx
  1b:	4c 89 ce             	mov    %r9,%rsi
  1e:	bf 9c ff ff ff       	mov    $0xffffff9c,%edi
  23:	b8 01 01 00 00       	mov    $0x101,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 30                	ja     0x62
  32:	c3                   	ret
  33:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3a:	48 8d 44 24 08       	lea    0x8(%rsp),%rax
  3f:	c7                   	.byte 0xc7

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 30                	ja     0x38
   8:	c3                   	ret
   9:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  10:	48 8d 44 24 08       	lea    0x8(%rsp),%rax
  15:	c7                   	.byte 0xc7
[  502.450182][    C2] RSP: 002b:00007ffdfa38b448 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
[  502.450186][    C2] RAX: ffffffffffffffda RBX: 00007ffdfa38b6cf RCX: 00007fbafe688f68
[  502.450188][    C2] RDX: 0000000000080000 RSI: 00007ffdfa38b4c0 RDI: 00000000ffffff9c
[  502.450190][    C2] RBP: 00007ffdfa38b4b0 R08: 0000000000080000 R09: 00007ffdfa38b4c0
[  502.450192][    C2] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffdfa38b4c7
[  502.450194][    C2] R13: 00007ffdfa38b6e0 R14: 00007ffdfa38b4c0 R15: 00007fbafe657000
| [  513.453576][    C3] INFO: lockdep is turned off.
| [  513.453777][    C3] Preemption disabled at:
| [ 513.453779][ C3] 0x0 
| [  513.454138][    C3] Tainted: [W]=WARN
[  513.454139][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  513.454142][    C3] Call Trace:
[  513.454152][    C3]  <IRQ>
[ 513.454154][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 513.454167][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 513.454175][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 513.454181][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 513.454184][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 513.454190][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 513.454198][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 513.454204][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 513.454206][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 513.454212][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 513.454216][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 513.454220][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 513.454225][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 513.454229][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 513.454235][ C3] ? call_timer_fn (kernel/time/timer.c:1790) 
[ 513.454242][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 513.454245][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 513.454249][ C3] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 513.454252][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 513.454254][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 513.454259][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 513.454264][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 513.454266][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 513.454270][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 513.454273][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 513.454279][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 513.454282][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 513.454286][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 513.454293][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 513.454299][ C3] __put_net (net/core/net_namespace.c:732) 
[ 513.454305][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 513.454308][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 513.454315][ C3] call_timer_fn (kernel/time/timer.c:1790) 
[ 513.454318][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 513.454321][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 513.454324][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 513.454327][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 513.454333][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 513.454338][ C3] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 513.454341][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 513.454346][ C3] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 513.454350][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 513.454355][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 513.454359][ C3] ? 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) 
[ 513.454362][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 513.454365][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 513.454368][ C3] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 513.454373][ C3] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 513.454377][ C3] run_timer_softirq (kernel/time/timer.c:2446) 
[ 513.454380][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 513.454385][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 513.454387][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 513.454389][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  513.454393][    C3]  </IRQ>
[  513.454394][    C3]  <TASK>
[ 513.454396][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 513.454399][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 513.454402][ C3] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  513.454406][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[  513.454410][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb986aa19
[  513.454412][    C3] RDX: ffffed1006c3667b RSI: ffffffffb9c51220 RDI: ffffffffb6f8933f
[  513.454414][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[  513.454417][    C3] R10: ffff8880361b33d3 R11: ffff88800fd42858 R12: 0000000000000000
[  513.454419][    C3] R13: ffff888001bfc640 R14: dffffc0000000000 R15: 0000000000000000
[ 513.454423][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 513.454426][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 513.454431][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 513.454434][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 513.454436][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 513.454440][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 513.454444][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 513.454453][ C3] do_idle (kernel/sched/idle.c:325) 
[ 513.454457][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 513.454460][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 513.454464][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 513.454469][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  532.849632][    C1] INFO: lockdep is turned off.
| [  532.849841][    C1] Preemption disabled at:
| [ 532.849843][ C1] 0x0 
| [  532.850253][    C1] Tainted: [W]=WARN
[  532.850255][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  532.850257][    C1] Call Trace:
[  532.850260][    C1]  <IRQ>
[ 532.850263][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 532.850275][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 532.850283][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 532.850289][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 532.850292][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 532.850298][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 532.850306][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 532.850312][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 532.850315][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 532.850320][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 532.850338][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 532.850341][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 532.850348][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 532.850351][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 532.850357][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 532.850365][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 532.850368][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 532.850375][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 532.850378][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 532.850381][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 532.850387][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 532.850391][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 532.850394][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 532.850397][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 532.850402][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 532.850404][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 532.850407][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 532.850413][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 532.850420][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 532.850425][ C1] __put_net (net/core/net_namespace.c:732) 
[ 532.850431][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 532.850434][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 532.850440][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 532.850445][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 532.850450][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 532.850454][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 532.850460][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 532.850463][ 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) 
[ 532.850467][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 532.850471][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 532.850475][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 532.850479][ C1] ? ip_fast_csum (lib/checksum.c:99) 
[ 532.850485][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 532.850489][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 532.850492][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 532.850496][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 532.850501][ C1] ? __pfx___alloc_skb (net/core/skbuff.c:643) 
[ 532.850504][ C1] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) 
[ 532.850508][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 532.850511][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 532.850514][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 532.850518][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 532.850522][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 532.850526][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 532.850530][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 532.850535][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 532.850539][ C1] ? call_timer_fn (kernel/time/timer.c:1794) 
[ 532.850544][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 532.850548][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 532.850551][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 532.850555][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 532.850562][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 532.850567][ C1] ? tmigr_handle_remote (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/time/timer_migration.c:441 kernel/time/timer_migration.c:1074) 
[ 532.850572][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 532.850575][ 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) 
[ 532.850578][ C1] ? spin_bug (kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 532.850581][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 532.850587][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 532.850591][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 532.850593][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 532.850596][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  532.850599][    C1]  </IRQ>
[  532.850600][    C1]  <TASK>
[ 532.850602][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 532.850607][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 532.850610][ C1] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  532.850614][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  532.850619][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffb986aa19
[  532.850621][    C1] RDX: ffffed1006c1667b RSI: ffffffffb9c51220 RDI: ffffffffb6f8933f
[  532.850623][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[  532.850625][    C1] R10: ffff8880360b33d3 R11: ffff88800a650558 R12: 0000000000000000
[  532.850626][    C1] R13: ffff888001bf8040 R14: dffffc0000000000 R15: 0000000000000000
[ 532.850630][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 532.850634][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 532.850640][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 532.850643][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 532.850646][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 532.850650][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 532.850654][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 532.850662][ C1] do_idle (kernel/sched/idle.c:325) 
[ 532.850666][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 532.850669][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 532.850673][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 532.850678][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  542.125760][    C2] INFO: lockdep is turned off.
| [  542.125965][    C2] Preemption disabled at:
| [ 542.125967][ C2] 0x0 
| [  542.126324][    C2] Tainted: [W]=WARN
[  542.126326][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  542.126329][    C2] Call Trace:
[  542.126331][    C2]  <IRQ>
[ 542.126335][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 542.126348][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 542.126357][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 542.126363][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 542.126366][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 542.126372][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 542.126380][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 542.126386][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 542.126388][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 542.126395][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 542.126399][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 542.126402][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 542.126409][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 542.126412][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 542.126417][ C2] ? call_timer_fn (kernel/time/timer.c:1790) 
[ 542.126424][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 542.126427][ C2] ? handle_softirqs (kernel/softirq.c:579) 
[ 542.126432][ C2] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 542.126434][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 542.126436][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 542.126442][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 542.126447][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 542.126449][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 542.126453][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 542.126456][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 542.126461][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 542.126464][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 542.126468][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 542.126475][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 542.126480][ C2] __put_net (net/core/net_namespace.c:732) 
[ 542.126486][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 542.126490][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 542.126496][ C2] call_timer_fn (kernel/time/timer.c:1790) 
[ 542.126499][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 542.126502][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 542.126505][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 542.126508][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 542.126514][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 542.126519][ C2] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 542.126523][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 542.126528][ C2] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 542.126531][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 542.126535][ C2] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 542.126540][ C2] ? 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) 
[ 542.126543][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 542.126546][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 542.126549][ C2] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 542.126554][ C2] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 542.126558][ C2] run_timer_softirq (kernel/time/timer.c:2446) 
[ 542.126561][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 542.126566][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 542.126569][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 542.126571][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  542.126575][    C2]  </IRQ>
[  542.126576][    C2]  <TASK>
[ 542.126578][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 542.126581][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 542.126585][ C2] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  542.126588][    C2] RSP: 0000:ffffc90000147de8 EFLAGS: 00000246
[  542.126593][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb986aa19
[  542.126595][    C2] RDX: ffffed1006c2667b RSI: ffffffffb9c51220 RDI: ffffffffb6f8933f
[  542.126597][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c2667a
[  542.126598][    C2] R10: ffff8880361333d3 R11: ffffffffbd3689e0 R12: 0000000000000000
[  542.126600][    C2] R13: ffff888001bfa340 R14: dffffc0000000000 R15: 0000000000000000
[ 542.126604][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 542.126607][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 542.126612][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 542.126614][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 542.126617][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 542.126621][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 542.126625][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 542.126631][ C2] do_idle (kernel/sched/idle.c:325) 
[ 542.126635][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 542.126639][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 542.126643][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 542.126648][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  558.512717][    C1] INFO: lockdep is turned off.
| [  558.513031][    C1] Preemption disabled at:
| [ 558.513034][ C1] 0x0 
| [  558.513548][    C1] Tainted: [W]=WARN
[  558.513550][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  558.513553][    C1] Call Trace:
[  558.513555][    C1]  <IRQ>
[ 558.513558][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 558.513571][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 558.513580][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 558.513587][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 558.513590][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 558.513597][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 558.513605][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 558.513611][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 558.513614][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 558.513620][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 558.513624][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 558.513627][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 558.513634][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 558.513637][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 558.513643][ C1] ? call_timer_fn (kernel/time/timer.c:1790) 
[ 558.513650][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 558.513653][ C1] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 558.513660][ C1] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 558.513664][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 558.513668][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 558.513674][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 558.513677][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 558.513680][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 558.513688][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 558.513694][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 558.513698][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 558.513703][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 558.513707][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 558.513717][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 558.513725][ C1] __put_net (net/core/net_namespace.c:732) 
[ 558.513734][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 558.513741][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 558.513750][ C1] call_timer_fn (kernel/time/timer.c:1790) 
[ 558.513755][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 558.513759][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 558.513765][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 558.513774][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 558.513782][ C1] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 558.513788][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 558.513798][ C1] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 558.513806][ 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) 
[ 558.513812][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 558.513817][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 558.513823][ C1] ? timer_expire_remote (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 558.513832][ C1] timer_expire_remote (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 558.513837][ C1] tmigr_handle_remote_cpu (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 kernel/time/timer_migration.c:961) 
[ 558.513843][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 558.513849][ C1] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 558.513854][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 558.513859][ C1] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 558.513867][ 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) 
[ 558.513873][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 558.513880][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 558.513887][ C1] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 558.513895][ C1] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 558.513902][ C1] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 558.513910][ C1] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 558.513915][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 558.513920][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 558.513928][ C1] ? ktime_get (kernel/time/timekeeping.c:251 (discriminator 4) kernel/time/timekeeping.c:360 (discriminator 4) kernel/time/timekeeping.c:778 (discriminator 4)) 
[ 558.513937][ C1] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 558.513945][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 558.513953][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 558.513957][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 558.513961][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  558.513968][    C1]  </IRQ>
[  558.513970][    C1]  <TASK>
[ 558.513973][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 558.513978][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 558.513983][ C1] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  558.513988][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  558.513995][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffb986aa19
[  558.513999][    C1] RDX: ffffed1006c1667b RSI: ffffffffb9c51220 RDI: ffffffffb6f8933f
[  558.514002][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[  558.514006][    C1] R10: ffff8880360b33d3 R11: ffffffffbd387d18 R12: 0000000000000000
[  558.514009][    C1] R13: ffff888001bf8040 R14: dffffc0000000000 R15: 0000000000000000
[ 558.514015][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 558.514021][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 558.514032][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 558.514037][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 558.514042][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 558.514048][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 558.514056][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 558.514069][ C1] do_idle (kernel/sched/idle.c:325) 
[ 558.514076][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 558.514081][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 558.514087][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 558.514095][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  561.845045][    C0] INFO: lockdep is turned off.
| [  561.845281][    C0] Preemption disabled at:
| [ 561.845283][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [  561.845892][    C0] Tainted: [W]=WARN
[  561.845894][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  561.845896][    C0] Call Trace:
[  561.845898][    C0]  <IRQ>
[ 561.845899][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 561.845909][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 561.845915][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 561.845920][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 561.845923][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 561.845927][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 561.845933][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 561.845938][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 561.845942][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 561.845947][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 561.845954][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 561.845958][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 561.845965][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 561.845969][ C0] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 561.845975][ C0] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 561.845982][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 561.845987][ C0] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 561.845995][ C0] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 561.846000][ C0] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 561.846005][ C0] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 561.846013][ C0] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 561.846017][ C0] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 561.846022][ C0] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 561.846026][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 561.846031][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 561.846034][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 561.846037][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 561.846044][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 561.846050][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 561.846057][ C0] __put_net (net/core/net_namespace.c:732) 
[ 561.846064][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 561.846070][ C0] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 561.846082][ C0] icmp_unreach (net/ipv4/icmp.c:969) 
[ 561.846088][ C0] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 561.846095][ C0] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 561.846100][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 561.846104][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 561.846109][ C0] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 561.846114][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 561.846118][ C0] ? call_timer_fn (kernel/time/timer.c:1794) 
[ 561.846125][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 561.846129][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 561.846136][ C0] ? ip_fast_csum (lib/checksum.c:99) 
[ 561.846144][ C0] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 561.846152][ C0] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 561.846156][ C0] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 561.846159][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 561.846170][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 561.846174][ C0] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 561.846179][ C0] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 561.846186][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 561.846193][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 561.846199][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 561.846205][ C0] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 561.846212][ C0] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 561.846222][ C0] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 561.846227][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 561.846235][ C0] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 561.846246][ C0] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 561.846251][ C0] ? __pfx_trace_lock_release (./include/trace/events/lock.h:69) 
[ 561.846265][ C0] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12187) 
[ 561.846273][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 561.846285][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 561.846294][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 561.846298][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 561.846302][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  561.846307][    C0]  </IRQ>
[  561.846309][    C0]  <TASK>
[ 561.846311][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 561.846317][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 561.846322][ C0] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  561.846327][    C0] RSP: 0018:ffffffffba607df8 EFLAGS: 00000246
[  561.846333][    C0] RAX: 0000000000000000 RBX: 1ffffffff74c0fc3 RCX: ffffffffb986aa19
[  561.846336][    C0] RDX: ffffed1006c0667b RSI: ffffffffb9c51220 RDI: ffffffffb6f8933f
[  561.846339][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c0667a
[  561.846341][    C0] R10: ffff8880360333d3 R11: ffffffffbd3a7050 R12: 0000000000000000
[  561.846344][    C0] R13: ffffffffba643240 R14: dffffc0000000000 R15: 0000000000014770
[ 561.846350][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 561.846355][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 561.846364][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 561.846368][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 561.846372][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 561.846378][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 561.846384][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 561.846394][ C0] do_idle (kernel/sched/idle.c:325) 
[ 561.846400][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 561.846405][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 561.846411][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 561.846419][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 561.846425][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 561.846431][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  652.723669][    C2] INFO: lockdep is turned off.
| [  652.724021][    C2] Preemption disabled at:
| [ 652.724024][ C2] 0x0 
| [  652.724646][    C2] Tainted: [W]=WARN
[  652.724647][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  652.724650][    C2] Call Trace:
[  652.724653][    C2]  <IRQ>
[ 652.724657][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 652.724670][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 652.724680][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 652.724687][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 652.724692][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 652.724699][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 652.724708][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 652.724715][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 652.724720][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 652.724726][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 652.724734][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 652.724739][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 652.724746][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 652.724752][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 652.724758][ C2] ? call_timer_fn (kernel/time/timer.c:1790) 
[ 652.724765][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 652.724769][ C2] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 652.724776][ C2] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 652.724781][ C2] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 652.724786][ C2] ? handle_softirqs (kernel/softirq.c:579) 
[ 652.724791][ C2] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 652.724795][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 652.724798][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 652.724804][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 652.724810][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 652.724813][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 652.724818][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 652.724823][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 652.724831][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 652.724840][ C2] __put_net (net/core/net_namespace.c:732) 
[ 652.724847][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 652.724854][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 652.724861][ C2] call_timer_fn (kernel/time/timer.c:1790) 
[ 652.724866][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 652.724871][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 652.724876][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 652.724885][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 652.724892][ C2] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 652.724897][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 652.724906][ C2] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 652.724914][ C2] ? 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) 
[ 652.724920][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 652.724925][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 652.724932][ C2] ? timer_expire_remote (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 652.724942][ C2] timer_expire_remote (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 652.724947][ C2] tmigr_handle_remote_cpu (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 kernel/time/timer_migration.c:961) 
[ 652.724951][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 652.724957][ C2] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 652.724964][ C2] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 652.724972][ C2] ? 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) 
[ 652.724977][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 652.724984][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 652.724992][ C2] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 652.724999][ C2] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 652.725006][ C2] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 652.725012][ C2] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 652.725017][ C2] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 652.725022][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 652.725028][ C2] ? ktime_get (kernel/time/timekeeping.c:251 (discriminator 4) kernel/time/timekeeping.c:360 (discriminator 4) kernel/time/timekeeping.c:778 (discriminator 4)) 
[ 652.725037][ C2] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 652.725048][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 652.725057][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 652.725062][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 652.725066][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  652.725071][    C2]  </IRQ>
[  652.725073][    C2]  <TASK>
[ 652.725076][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 652.725080][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 652.725085][ C2] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  652.725090][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[  652.725095][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb986aa19
[  652.725099][    C2] RDX: ffffed1006c2667b RSI: ffffffffb9c51220 RDI: ffffffffb6f8933f
[  652.725102][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c2667a
[  652.725106][    C2] R10: ffff8880361333d3 R11: ffffffffbd3689e0 R12: 0000000000000000
[  652.725109][    C2] R13: ffff888001bfa340 R14: dffffc0000000000 R15: 0000000000000000
[ 652.725117][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 652.725123][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 652.725133][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 652.725137][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 652.725142][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 652.725149][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 652.725156][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 652.725167][ C2] do_idle (kernel/sched/idle.c:325) 
[ 652.725174][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 652.725179][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 652.725185][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 652.725191][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1804.115406][    C1] INFO: lockdep is turned off.
| [ 1804.115617][    C1] Preemption disabled at:
| [ 1804.115619][ C1] __dev_queue_xmit (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:894 net/core/dev.c:4638) 
| [ 1804.116100][    C1] Tainted: [W]=WARN
[ 1804.116102][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1804.116105][    C1] Workqueue: events mptcp_worker
[ 1804.116113][    C1] Call Trace:
[ 1804.116115][    C1]  <IRQ>
[ 1804.116118][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1804.116128][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 1804.116137][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1804.116142][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1804.116148][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 1804.116154][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116162][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 1804.116168][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 1804.116171][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1804.116176][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 1804.116181][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1804.116184][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 1804.116191][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1804.116194][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1804.116199][ C1] ? ip_rcv_core (./include/linux/skbuff.h:3306 net/ipv4/ip_input.c:538) 
[ 1804.116207][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1804.116210][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1804.116214][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1804.116217][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1804.116221][ C1] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1804.116224][ C1] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1804.116226][ C1] ? __dev_queue_xmit (net/core/dev.c:4741) 
[ 1804.116230][ C1] ? ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1804.116233][ C1] ? ip_output (./include/linux/netfilter.h:306 net/ipv4/ip_output.c:433) 
[ 1804.116235][ C1] ? __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1804.116238][ C1] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1804.116242][ C1] ? tcp_write_xmit (net/ipv4/tcp_output.c:2838) 
[ 1804.116245][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1804.116253][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116258][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1804.116264][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1804.116268][ C1] ip_rcv_core (./include/linux/skbuff.h:3306 net/ipv4/ip_input.c:538) 
[ 1804.116272][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1804.116276][ C1] ip_rcv (net/ipv4/ip_input.c:563) 
[ 1804.116280][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1804.116283][ C1] ? enqueue_entity (kernel/sched/fair.c:5362) 
[ 1804.116290][ C1] ? __pfx___resched_curr (kernel/sched/core.c:1093) 
[ 1804.116296][ C1] ? enqueue_task_fair (kernel/sched/fair.c:6981) 
[ 1804.116299][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1804.116302][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1804.116306][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1804.116310][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1804.116314][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116318][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1804.116323][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1804.116328][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1804.116332][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116336][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1804.116340][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116344][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1804.116350][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1804.116356][ C1] ? do_raw_spin_lock (./include/asm-generic/qspinlock.h:114 kernel/locking/spinlock_debug.c:116) 
[ 1804.116359][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1804.116362][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116365][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1804.116368][ C1] ? rcu_exp_handler (kernel/rcu/tree_exp.h:794) 
[ 1804.116375][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 1804.116378][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 1804.116382][ C1] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1804.116385][    C1]  </IRQ>
[ 1804.116386][    C1]  <TASK>
[ 1804.116387][ C1] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1804.116390][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 1804.116393][ C1] __dev_queue_xmit (net/core/dev.c:4741) 
[ 1804.116396][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1804.116400][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1804.116406][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 1804.116412][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116415][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4621) 
[ 1804.116420][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116424][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1804.116429][ C1] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 1804.116431][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1804.116437][ C1] ? ip_finish_output2 (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 net/ipv4/ip_output.c:228) 
[ 1804.116440][ C1] ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1804.116443][ C1] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499 ./include/net/ip.h:512) 
[ 1804.116446][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116449][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1804.116453][ C1] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 1804.116455][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1804.116459][ C1] ? __ip_finish_output (./include/linux/skbuff.h:1677 ./include/linux/skbuff.h:5059 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 1804.116463][ C1] ip_output (./include/linux/netfilter.h:306 net/ipv4/ip_output.c:433) 
[ 1804.116465][ C1] ? __ip_local_out (./include/linux/skbuff.h:1156 net/ipv4/ip_output.c:119) 
[ 1804.116468][ C1] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 1804.116471][ C1] ? ipv4_dst_check (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/route.c:401 net/ipv4/route.c:1213) 
[ 1804.116474][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116477][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1804.116482][ C1] __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1804.116486][ C1] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1567 (discriminator 4)) 
[ 1804.116491][ C1] __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1804.116497][ C1] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1300) 
[ 1804.116499][ C1] ? __pfx_mptcp_established_options (net/mptcp/options.c:832) 
[ 1804.116507][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116510][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1804.116515][ C1] tcp_write_xmit (net/ipv4/tcp_output.c:2838) 
[ 1804.116520][ C1] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1873) 
[ 1804.116524][ C1] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2747) 
[ 1804.116526][ C1] ? inet_sk_state_store (net/ipv4/af_inet.c:1353) 
[ 1804.116531][ C1] ? tcp_set_state (net/ipv4/tcp.c:2926 (discriminator 53)) 
[ 1804.116536][ C1] ? __pfx_tcp_set_state (net/ipv4/tcp.c:2926) 
[ 1804.116540][ C1] __tcp_push_pending_frames (net/ipv4/tcp_output.c:3021) 
[ 1804.116544][ C1] __tcp_close (net/ipv4/tcp.c:3186) 
[ 1804.116547][ C1] ? __mptcp_close_ssk (net/mptcp/protocol.c:2370) 
[ 1804.116552][ C1] ? __mptcp_close_ssk (net/mptcp/protocol.c:2370) 
[ 1804.116556][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1804.116559][ C1] __mptcp_close_ssk (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:455 ./include/linux/refcount.h:476 ./include/net/sock.h:814 net/mptcp/protocol.c:2401) 
[ 1804.116563][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1804.116566][ C1] ? __pfx___mptcp_close_ssk (net/mptcp/protocol.c:2345) 
[ 1804.116572][ C1] mptcp_destroy_common (net/mptcp/protocol.c:3297) 
[ 1804.116576][ C1] mptcp_destroy (./include/net/sock.h:1414 (discriminator 3) net/mptcp/protocol.c:3317 (discriminator 3)) 
[ 1804.116578][ C1] __mptcp_destroy_sock (net/mptcp/protocol.c:2950) 
[ 1804.116582][ C1] mptcp_worker (net/mptcp/protocol.c:2702) 
[ 1804.116585][ C1] ? __pfx_debug_object_deactivate (lib/debugobjects.c:862) 
[ 1804.116590][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116594][ C1] ? __pfx_mptcp_worker (net/mptcp/protocol.c:2673) 
[ 1804.116597][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116600][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116605][ C1] process_one_work (kernel/workqueue.c:3238) 
[ 1804.116612][ C1] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 1804.116618][ C1] ? assign_work (kernel/workqueue.c:1200) 
[ 1804.116622][ C1] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 1804.116626][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1804.116630][ C1] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 1804.116634][ C1] kthread (kernel/kthread.c:464) 
[ 1804.116639][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1804.116642][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1804.116645][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1804.116649][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1804.116652][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 1804.116658][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1804.116661][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1819.817089][    C1] INFO: lockdep is turned off.
| [ 1819.817319][    C1] Preemption disabled at:
| [ 1819.817321][ C1] 0x0 
| [ 1819.817733][    C1] Tainted: [W]=WARN
[ 1819.817734][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1819.817737][    C1] Call Trace:
[ 1819.817739][    C1]  <IRQ>
[ 1819.817741][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1819.817754][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 1819.817762][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1819.817768][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1819.817771][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 1819.817778][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1819.817786][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 1819.817791][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 1819.817794][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1819.817800][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 1819.817804][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1819.817808][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 1819.817814][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1819.817817][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1819.817823][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2372) 
[ 1819.817831][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1819.817834][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 1819.817840][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1819.817846][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1819.817849][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1819.817853][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1819.817856][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1819.817861][ C1] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1819.817863][ C1] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1819.817866][ C1] ? mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1819.817872][ C1] ? __mptcp_retrans (net/mptcp/protocol.c:2567) 
[ 1819.817876][ C1] ? mptcp_release_cb (net/mptcp/protocol.c:3375) 
[ 1819.817878][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1819.817886][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1819.817891][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1819.817897][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1819.817901][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2372) 
[ 1819.817909][ C1] ? raw_v4_input (net/ipv4/raw.c:165) 
[ 1819.817913][ C1] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2188) 
[ 1819.817918][ C1] ? __inet_lookup_established (./include/net/net_namespace.h:409 ./include/net/sock.h:680 ./include/net/inet_hashtables.h:353 net/ipv4/inet_hashtables.c:516) 
[ 1819.817925][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) 
[ 1819.817930][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1819.817935][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1819.817938][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 1819.817941][ C1] ? tcp_v4_early_demux (./include/linux/skbuff.h:1188 net/ipv4/tcp_ipv4.c:2008) 
[ 1819.817946][ C1] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349) 
[ 1819.817949][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1156 ./include/net/route.h:88 net/ipv4/ip_input.c:390) 
[ 1819.817955][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 1819.817958][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1819.817962][ C1] ? pick_eevdf (kernel/sched/fair.c:939) 
[ 1819.817966][ C1] ? enqueue_entity (kernel/sched/fair.c:5362) 
[ 1819.817970][ C1] ? update_curr (kernel/sched/fair.c:1236) 
[ 1819.817976][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1819.817979][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1819.817982][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1819.817986][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1819.817990][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1819.817994][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1819.817999][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1819.818003][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1819.818008][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1819.818012][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1819.818016][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1819.818020][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1819.818027][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1819.818030][ C1] ? vm_interrupt (drivers/virtio/virtio_mmio.c:325) 
[ 1819.818034][ C1] ? rcu_watching_snap_stopped_since (kernel/rcu/tree.c:317 (discriminator 1)) 
[ 1819.818038][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 1819.818042][ 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) 
[ 1819.818046][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1819.818050][ C1] ? kvm_guest_apic_eoi_write (./arch/x86/include/asm/bitops.h:177 ./include/asm-generic/bitops/instrumented-non-atomic.h:115 arch/x86/kernel/kvm.c:346) 
[ 1819.818054][ C1] ? ioapic_ack_level (arch/x86/kernel/apic/io_apic.c:1715) 
[ 1819.818059][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 1819.818063][ C1] ? mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1819.818066][ C1] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1819.818069][    C1]  </IRQ>
[ 1819.818070][    C1]  <TASK>
[ 1819.818071][ C1] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1819.818074][ C1] mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1819.818077][ C1] ? spin_bug (kernel/locking/spinlock_debug.c:64) 
[ 1819.818080][ C1] ? __pfx_mptcp_send_ack (net/mptcp/protocol.c:462) 
[ 1819.818084][ C1] __mptcp_retrans (net/mptcp/protocol.c:2567) 
[ 1819.818089][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1819.818093][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1819.818097][ C1] ? __pfx___mptcp_retrans (net/mptcp/protocol.c:2545) 
[ 1819.818101][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1819.818106][ C1] ? mptcp_release_cb (net/mptcp/protocol.c:3370) 
[ 1819.818108][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1819.818112][ C1] ? mptcp_release_cb (net/mptcp/protocol.c:3370) 
[ 1819.818115][ C1] mptcp_release_cb (net/mptcp/protocol.c:3375) 
[ 1819.818117][ C1] ? do_raw_write_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/qrwlock.h:98 kernel/locking/spinlock_debug.c:211) 
[ 1819.818121][ C1] ? mptcp_close_timeout (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/net/sock.h:1019 net/mptcp/ctrl.c:77) 
[ 1819.818126][ 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) 
[ 1819.818129][ C1] ? __pfx_mptcp_release_cb (net/mptcp/protocol.c:3347) 
[ 1819.818131][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1819.818134][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1819.818137][ C1] ? release_sock (net/core/sock.c:3756) 
[ 1819.818143][ C1] release_sock (net/core/sock.c:3760 (discriminator 2)) 
[ 1819.818149][ C1] mptcp_close (net/mptcp/protocol.c:3068) 
[ 1819.818152][ C1] inet_release (net/ipv4/af_inet.c:436) 
[ 1819.818156][ C1] __sock_release (net/socket.c:648) 
[ 1819.818161][ C1] sock_close (net/socket.c:1393) 
[ 1819.818164][ C1] __fput (fs/file_table.c:465) 
[ 1819.818172][ C1] task_work_run (kernel/task_work.c:227 (discriminator 1)) 
[ 1819.818179][ C1] ? __pfx_task_work_run (kernel/task_work.c:195) 
[ 1819.818182][ C1] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 1819.818189][ C1] ? refcount_dec_and_lock (lib/refcount.c:146) 
[ 1819.818196][ C1] ? do_exit (./include/linux/task_work.h:40 kernel/exit.c:953) 
[ 1819.818202][ C1] do_exit (kernel/exit.c:954) 
[ 1819.818206][ C1] do_group_exit (kernel/exit.c:1083) 
[ 1819.818209][ C1] get_signal (kernel/signal.c:701 kernel/signal.c:2912) 
[ 1819.818215][ C1] ? hrtimer_nanosleep (kernel/time/hrtimer.c:2140) 
[ 1819.818220][ C1] ? __pfx_hrtimer_nanosleep (kernel/time/hrtimer.c:2140) 
[ 1819.818224][ C1] ? __pfx_get_signal (kernel/signal.c:2800) 
[ 1819.818227][ C1] ? __pfx_hrtimer_wakeup (kernel/time/hrtimer.c:1990) 
[ 1819.818232][ C1] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) 
[ 1819.818237][ C1] ? __pfx_arch_do_signal_or_restart (arch/x86/kernel/signal.c:334) 
[ 1819.818242][ C1] ? common_nsleep (kernel/time/posix-timers.c:1364) 
[ 1819.818248][ C1] ? __x64_sys_clock_nanosleep (kernel/time/posix-timers.c:1407 kernel/time/posix-timers.c:1384 kernel/time/posix-timers.c:1384) 
[ 1819.818252][ C1] ? ksys_write (fs/read_write.c:736) 
[ 1819.818255][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1819.818258][ C1] ? __pfx___x64_sys_clock_nanosleep (kernel/time/posix-timers.c:1384) 
[ 1819.818261][ C1] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mm.h:704 ./include/linux/mm.h:799 arch/x86/mm/fault.c:1339) 
[ 1819.818267][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1819.818272][ C1] syscall_exit_to_user_mode (kernel/entry/common.c:113 ./include/linux/entry-common.h:329 kernel/entry/common.c:207 kernel/entry/common.c:218) 
[ 1819.818278][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:113) 
[ 1819.818285][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1819.818290][    C1] RIP: 0033:0x7f7fd1e5097a
[ 1819.818294][ C1] Code: Unable to access opcode bytes at 0x7f7fd1e50950.

Code starting with the faulting instruction
===========================================
[ 1819.818297][    C1] RSP: 002b:00007ffc97f5e698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
[ 1819.818303][    C1] RAX: fffffffffffffdfc RBX: 0000000000000005 RCX: 00007f7fd1e5097a
[ 1819.818306][    C1] RDX: 00007ffc97f5e6b0 RSI: 0000000000000000 RDI: 0000000000000000
[ 1819.818309][    C1] RBP: 0000000000000005 R08: 00007f7fd1f36200 R09: 00007f7fd1f36260
[ 1819.818312][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc97f608a0
[ 1819.818315][    C1] R13: 00007ffc97f60990 R14: 00000000000000eb R15: 0000000000000005
| [ 1888.787524][    C1] INFO: lockdep is turned off.
| [ 1888.787903][    C1] Preemption disabled at:
| [ 1888.787906][ C1] 0x0 
| [ 1888.788581][    C1] Tainted: [W]=WARN
[ 1888.788583][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1888.788586][    C1] Call Trace:
[ 1888.788589][    C1]  <IRQ>
[ 1888.788592][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1888.788609][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 1888.788620][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1888.788628][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1888.788633][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 1888.788641][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1888.788651][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 1888.788660][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 1888.788664][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1888.788672][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 1888.788681][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1888.788686][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 1888.788695][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1888.788700][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1888.788708][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2372) 
[ 1888.788719][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1888.788723][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 1888.788731][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1888.788738][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1888.788743][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1888.788748][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1888.788752][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1888.788758][ C1] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1888.788761][ C1] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1888.788765][ C1] ? mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1888.788773][ C1] ? __mptcp_retrans (net/mptcp/protocol.c:2567) 
[ 1888.788778][ C1] ? mptcp_release_cb (net/mptcp/protocol.c:3375) 
[ 1888.788781][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1888.788790][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1888.788798][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1888.788807][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1888.788814][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2372) 
[ 1888.788829][ C1] ? raw_v4_input (net/ipv4/raw.c:165) 
[ 1888.788835][ C1] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2188) 
[ 1888.788841][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1888.788853][ C1] ? __inet_lookup_established (./include/net/net_namespace.h:409 ./include/net/sock.h:680 ./include/net/inet_hashtables.h:353 net/ipv4/inet_hashtables.c:516) 
[ 1888.788864][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) 
[ 1888.788873][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1888.788880][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1888.788886][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 1888.788891][ C1] ? tcp_v4_early_demux (./include/linux/skbuff.h:1188 net/ipv4/tcp_ipv4.c:2008) 
[ 1888.788901][ C1] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349) 
[ 1888.788905][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1156 ./include/net/route.h:88 net/ipv4/ip_input.c:390) 
[ 1888.788914][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 1888.788920][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1888.788926][ C1] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 1888.788934][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 1888.788939][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 1888.788944][ C1] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 1888.788949][ C1] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 1888.788955][ C1] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 1888.788962][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 1888.788969][ C1] ? rcu_core (kernel/rcu/tree.c:2826) 
[ 1888.788973][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1888.788977][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1888.788981][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1888.788984][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 1888.788992][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1888.788999][ C1] ? stack_depot_save_flags (lib/stackdepot.c:553 lib/stackdepot.c:619) 
[ 1888.789004][ C1] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 1888.789011][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1888.789016][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1888.789021][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1888.789027][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1888.789033][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1888.789039][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1888.789046][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1888.789053][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1888.789060][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1888.789066][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1888.789071][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1888.789079][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1888.789091][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1888.789101][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 1888.789109][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1888.789122][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 1888.789129][ C1] ? mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1888.789135][ C1] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1888.789140][    C1]  </IRQ>
[ 1888.789141][    C1]  <TASK>
[ 1888.789144][ C1] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1888.789152][ C1] mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1888.789159][ C1] ? __pfx_mptcp_send_ack (net/mptcp/protocol.c:462) 
[ 1888.789168][ C1] __mptcp_retrans (net/mptcp/protocol.c:2567) 
[ 1888.789176][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1888.789182][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1888.789186][ C1] ? __pfx___mptcp_retrans (net/mptcp/protocol.c:2545) 
[ 1888.789191][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1888.789202][ C1] ? mptcp_release_cb (net/mptcp/protocol.c:3370) 
[ 1888.789207][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1888.789212][ C1] ? mptcp_release_cb (net/mptcp/protocol.c:3370) 
[ 1888.789219][ C1] mptcp_release_cb (net/mptcp/protocol.c:3375) 
[ 1888.789224][ C1] ? do_raw_write_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/qrwlock.h:98 kernel/locking/spinlock_debug.c:211) 
[ 1888.789231][ C1] ? mptcp_close_timeout (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/net/sock.h:1019 net/mptcp/ctrl.c:77) 
[ 1888.789239][ 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) 
[ 1888.789244][ C1] ? __pfx_mptcp_release_cb (net/mptcp/protocol.c:3347) 
[ 1888.789247][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1888.789252][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1888.789257][ C1] ? release_sock (net/core/sock.c:3756) 
[ 1888.789265][ C1] release_sock (net/core/sock.c:3760 (discriminator 2)) 
[ 1888.789271][ C1] mptcp_close (net/mptcp/protocol.c:3068) 
[ 1888.789276][ C1] inet_release (net/ipv4/af_inet.c:436) 
[ 1888.789283][ C1] __sock_release (net/socket.c:648) 
[ 1888.789294][ C1] sock_close (net/socket.c:1393) 
[ 1888.789299][ C1] __fput (fs/file_table.c:465) 
[ 1888.789313][ C1] task_work_run (kernel/task_work.c:227 (discriminator 1)) 
[ 1888.789323][ C1] ? __pfx_task_work_run (kernel/task_work.c:195) 
[ 1888.789329][ C1] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 1888.789336][ C1] ? refcount_dec_and_lock (lib/refcount.c:146) 
[ 1888.789345][ C1] ? do_exit (./include/linux/task_work.h:40 kernel/exit.c:953) 
[ 1888.789354][ C1] do_exit (kernel/exit.c:954) 
[ 1888.789361][ C1] do_group_exit (kernel/exit.c:1083) 
[ 1888.789369][ C1] get_signal (kernel/signal.c:701 kernel/signal.c:2912) 
[ 1888.789377][ C1] ? hrtimer_nanosleep (kernel/time/hrtimer.c:2140) 
[ 1888.789385][ C1] ? __pfx_hrtimer_nanosleep (kernel/time/hrtimer.c:2140) 
[ 1888.789391][ C1] ? __pfx_get_signal (kernel/signal.c:2800) 
[ 1888.789397][ C1] ? __pfx_hrtimer_wakeup (kernel/time/hrtimer.c:1990) 
[ 1888.789406][ C1] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) 
[ 1888.789414][ C1] ? __pfx_arch_do_signal_or_restart (arch/x86/kernel/signal.c:334) 
[ 1888.789421][ C1] ? common_nsleep (kernel/time/posix-timers.c:1364) 
[ 1888.789431][ C1] ? __x64_sys_clock_nanosleep (kernel/time/posix-timers.c:1407 kernel/time/posix-timers.c:1384 kernel/time/posix-timers.c:1384) 
[ 1888.789437][ C1] ? ksys_write (fs/read_write.c:736) 
[ 1888.789441][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1888.789447][ C1] ? __pfx___x64_sys_clock_nanosleep (kernel/time/posix-timers.c:1384) 
[ 1888.789452][ C1] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mm.h:704 ./include/linux/mm.h:799 arch/x86/mm/fault.c:1339) 
[ 1888.789460][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1888.789468][ C1] syscall_exit_to_user_mode (kernel/entry/common.c:113 ./include/linux/entry-common.h:329 kernel/entry/common.c:207 kernel/entry/common.c:218) 
[ 1888.789474][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:113) 
[ 1888.789480][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1888.789485][    C1] RIP: 0033:0x7fd1a166497a
[ 1888.789490][ C1] Code: Unable to access opcode bytes at 0x7fd1a1664950.

Code starting with the faulting instruction
===========================================
[ 1888.789494][    C1] RSP: 002b:00007fff40b93d68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
[ 1888.789500][    C1] RAX: fffffffffffffdfc RBX: 0000000000000005 RCX: 00007fd1a166497a
[ 1888.789504][    C1] RDX: 00007fff40b93d80 RSI: 0000000000000000 RDI: 0000000000000000
[ 1888.789508][    C1] RBP: 0000000000000005 R08: 00007fd1a174a22c R09: 00007fd1a174a260
[ 1888.789511][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff40b95f70
[ 1888.789515][    C1] R13: 00007fff40b962b3 R14: 000000000000033e R15: 0000000000000005
| [ 1939.768728][    C1] INFO: lockdep is turned off.
| [ 1939.768972][    C1] Preemption disabled at:
| [ 1939.768974][ C1] __dev_queue_xmit (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:894 net/core/dev.c:4638) 
| [ 1939.769507][    C1] Tainted: [W]=WARN
[ 1939.769509][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1939.769512][    C1] Workqueue: events mptcp_worker
[ 1939.769519][    C1] Call Trace:
[ 1939.769522][    C1]  <IRQ>
[ 1939.769524][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1939.769535][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 1939.769543][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1939.769548][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1939.769552][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 1939.769558][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1939.769566][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 1939.769572][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 1939.769575][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1939.769580][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 1939.769585][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1939.769588][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 1939.769594][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1939.769597][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1939.769602][ C1] ? ip_rcv_core (./include/linux/skbuff.h:3306 net/ipv4/ip_input.c:538) 
[ 1939.769609][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1939.769612][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1939.769617][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1939.769620][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1939.769625][ C1] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1939.769627][ C1] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1939.769629][ C1] ? __dev_queue_xmit (net/core/dev.c:4741) 
[ 1939.769632][ C1] ? ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1939.769636][ C1] ? ip_output (./include/linux/netfilter.h:306 net/ipv4/ip_output.c:433) 
[ 1939.769638][ C1] ? __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1939.769640][ C1] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1939.769644][ C1] ? tcp_write_xmit (net/ipv4/tcp_output.c:2838) 
[ 1939.769647][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1939.769654][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1939.769659][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1939.769665][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1939.769669][ C1] ip_rcv_core (./include/linux/skbuff.h:3306 net/ipv4/ip_input.c:538) 
[ 1939.769673][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1939.769677][ C1] ip_rcv (net/ipv4/ip_input.c:563) 
[ 1939.769680][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1939.769684][ C1] ? enqueue_entity (kernel/sched/fair.c:5362) 
[ 1939.769690][ C1] ? __pfx___resched_curr (kernel/sched/core.c:1093) 
[ 1939.769698][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1939.769701][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1939.769705][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1939.769709][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1939.769713][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1939.769717][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1939.769722][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1939.769726][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1939.769731][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1939.769735][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1939.769738][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1939.769743][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1939.769749][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1939.769752][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1939.769759][ C1] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12187) 
[ 1939.769763][ C1] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 1939.769770][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 1939.769774][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 1939.769778][ C1] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1939.769781][    C1]  </IRQ>
[ 1939.769782][    C1]  <TASK>
[ 1939.769783][ C1] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1939.769786][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 1939.769789][ C1] __dev_queue_xmit (net/core/dev.c:4741) 
[ 1939.769792][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1939.769796][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1939.769802][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1939.769806][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4621) 
[ 1939.769811][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1939.769814][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1939.769819][ C1] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 1939.769822][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1939.769827][ C1] ? ip_finish_output2 (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 net/ipv4/ip_output.c:228) 
[ 1939.769830][ C1] ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1939.769833][ C1] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499 ./include/net/ip.h:512) 
[ 1939.769836][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1939.769839][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1939.769843][ C1] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 1939.769847][ C1] ? __ip_finish_output (./include/linux/skbuff.h:1677 ./include/linux/skbuff.h:5059 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 1939.769850][ C1] ip_output (./include/linux/netfilter.h:306 net/ipv4/ip_output.c:433) 
[ 1939.769853][ C1] ? __ip_local_out (net/ipv4/ip_output.c:101) 
[ 1939.769856][ C1] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 1939.769858][ C1] ? ipv4_dst_check (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/route.c:401 net/ipv4/route.c:1213) 
[ 1939.769861][ C1] ? init_srcu_struct_fields (kernel/rcu/srcutree.c:253 (discriminator 1)) 
[ 1939.769865][ C1] ? __pfx_dst_output (./include/net/dst.h:458) 
[ 1939.769870][ C1] __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1939.769873][ C1] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1567 (discriminator 4)) 
[ 1939.769878][ C1] __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1939.769884][ C1] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1300) 
[ 1939.769886][ C1] ? __pfx_mptcp_established_options (net/mptcp/options.c:832) 
[ 1939.769894][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1939.769897][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1939.769902][ C1] tcp_write_xmit (net/ipv4/tcp_output.c:2838) 
[ 1939.769907][ C1] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1873) 
[ 1939.769910][ C1] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2747) 
[ 1939.769913][ C1] ? inet_sk_state_store (net/ipv4/af_inet.c:1353) 
[ 1939.769918][ C1] ? tcp_set_state (net/ipv4/tcp.c:2926 (discriminator 53)) 
[ 1939.769922][ C1] ? __pfx_tcp_set_state (net/ipv4/tcp.c:2926) 
[ 1939.769927][ C1] __tcp_push_pending_frames (net/ipv4/tcp_output.c:3021) 
[ 1939.769930][ C1] __tcp_close (net/ipv4/tcp.c:3186) 
[ 1939.769933][ C1] ? __mptcp_close_ssk (net/mptcp/protocol.c:2370) 
[ 1939.769938][ C1] ? __mptcp_close_ssk (net/mptcp/protocol.c:2370) 
[ 1939.769942][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1939.769945][ C1] __mptcp_close_ssk (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:455 ./include/linux/refcount.h:476 ./include/net/sock.h:814 net/mptcp/protocol.c:2401) 
[ 1939.769950][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1939.769953][ C1] ? __pfx___mptcp_close_ssk (net/mptcp/protocol.c:2345) 
[ 1939.769959][ C1] mptcp_destroy_common (net/mptcp/protocol.c:3297) 
[ 1939.769963][ C1] mptcp_destroy (./include/net/sock.h:1414 (discriminator 3) net/mptcp/protocol.c:3317 (discriminator 3)) 
[ 1939.769965][ C1] __mptcp_destroy_sock (net/mptcp/protocol.c:2950) 
[ 1939.769969][ C1] mptcp_worker (net/mptcp/protocol.c:2702) 
[ 1939.769972][ C1] ? __pfx_debug_object_deactivate (lib/debugobjects.c:862) 
[ 1939.769978][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1939.769982][ C1] ? __pfx_mptcp_worker (net/mptcp/protocol.c:2673) 
[ 1939.769984][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1939.769988][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1939.769993][ C1] process_one_work (kernel/workqueue.c:3238) 
[ 1939.770001][ C1] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 1939.770006][ C1] ? assign_work (kernel/workqueue.c:1200) 
[ 1939.770011][ C1] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 1939.770015][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1939.770019][ C1] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 1939.770023][ C1] kthread (kernel/kthread.c:464) 
[ 1939.770029][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1939.770031][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1939.770035][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1939.770038][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1939.770042][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 1939.770047][ C1] ? __pfx_kthread (kernel/kthread.c:413) 


Finger prints:
__might_resched:down_write:simple_recursive_removal:debugfs_remove:ref_tracker_dir_exit
__dev_queue_xmit:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
schedule_preempt_disabled:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal