======================================
| [ 411.245406][ C1] #0: ffffffff86d985a0 (rcu_read_lock){....}-{1:3}, at: process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
| [ 411.245754][ C1] #1: ffffffff86d985a0 (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) 
| [  411.246148][    C1]
| [  411.246148][    C1] stack backtrace:
[  411.246395][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  411.246397][    C1] Call Trace:
[  411.246399][    C1]  <IRQ>
[ 411.246402][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 411.246407][ C1] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 411.246412][ C1] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 411.246417][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 411.246423][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 411.246426][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 411.246432][ C1] ? save_trace (kernel/locking/lockdep.c:594) 
[ 411.246436][ C1] mark_lock (kernel/locking/lockdep.c:4754) 
[ 411.246440][ C1] mark_usage (kernel/locking/lockdep.c:4643) 
[ 411.246444][ C1] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 411.246449][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 411.246453][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 411.246458][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 411.246462][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 411.246465][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 411.246469][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 411.246472][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 411.246476][ C1] simple_pin_fs (fs/libfs.c:1066) 
[ 411.246480][ C1] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 411.246483][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 411.246487][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 411.246490][ 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:2333) 
[ 411.246493][ C1] ? tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 411.246497][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 411.246500][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 411.246503][ C1] ? ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 411.246506][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 411.246508][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 411.246512][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 411.246515][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 411.246518][ C1] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 411.246521][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 411.246524][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 411.246527][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 411.246529][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 411.246536][ C1] __put_net (net/core/net_namespace.c:732) 
[ 411.246541][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 411.246544][ C1] tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 411.246550][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 411.246555][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 411.246559][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 411.246564][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 411.246568][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 411.246571][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 411.246576][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2709 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 411.246580][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 411.246584][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 411.246587][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 411.246590][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 411.246593][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 411.246598][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 411.246602][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 411.246604][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 411.246607][ C1] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 411.246611][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 411.246615][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 411.246619][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 411.246622][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 411.246626][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 411.246630][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 411.246634][ C1] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 411.246637][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 411.246641][ C1] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 411.246647][ C1] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 411.246651][ 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) 
[ 411.246655][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 411.246658][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 411.246662][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 411.246666][ C1] ? run_timer_softirq (kernel/time/timer.c:2446) 
[ 411.246670][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 411.246676][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 411.246681][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 411.246685][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 411.246687][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  411.246690][    C1]  </IRQ>
[  411.246691][    C1]  <TASK>
[ 411.246693][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 411.246696][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 411.246700][ C1] Code: 20 cb 00 c3 cc cc cc cc 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 a3 00 23 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:	20 cb                	and    %cl,%bl
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  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
[  411.246703][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  411.246706][    C1] RAX: 00000000012b68c5 RBX: 1ffff92000026fc1 RCX: ffffffff85c62a19
[  411.246708][    C1] RDX: 0000000000000000 RSI: ffffffff868b8aa9 RDI: ffffffff86050d20
[  411.246710][    C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c1667a
[  411.246712][    C1] R10: ffff8880360b33d3 R11: 0000000000000000 R12: 0000000000000000
[  411.246713][    C1] R13: ffff888001bb8040 R14: dffffc0000000000 R15: 0000000000000000
[ 411.246717][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 411.246721][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 411.246724][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 411.246726][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 411.246731][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 411.246735][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 411.246741][ C1] do_idle (kernel/sched/idle.c:325) 
[ 411.246745][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 411.246748][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 411.246752][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 411.246757][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  411.271181][    C1] RCU nest depth: 2, expected: 0
| [  411.271368][    C1] INFO: lockdep is turned off.
| [  411.271549][    C1] Preemption disabled at:
| [ 411.271551][ C1] 0x0 
[  411.271997][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  411.271999][    C1] Call Trace:
[  411.272000][    C1]  <IRQ>
[ 411.272002][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 411.272008][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 411.272013][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 411.272017][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 411.272020][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 411.272023][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 411.272028][ 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) 
[ 411.272032][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 411.272035][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 411.272038][ 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) 
[ 411.272042][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 411.272045][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 411.272049][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 411.272052][ 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:2333) 
[ 411.272056][ C1] ? tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 411.272062][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 411.272065][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 411.272069][ C1] ? ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 411.272072][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 411.272075][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 411.272079][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 411.272082][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 411.272085][ C1] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 411.272088][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 411.272093][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 411.272096][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 411.272101][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 411.272107][ C1] __put_net (net/core/net_namespace.c:732) 
[ 411.272111][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 411.272114][ C1] tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 411.272120][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 411.272125][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 411.272129][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 411.272134][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 411.272138][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 411.272142][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 411.272146][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2709 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 411.272151][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 411.272154][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 411.272158][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 411.272161][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 411.272165][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 411.272171][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 411.272175][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 411.272178][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 411.272181][ C1] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 411.272184][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 411.272188][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 411.272192][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 411.272195][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 411.272199][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 411.272203][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 411.272207][ C1] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 411.272211][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 411.272215][ C1] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 411.272221][ C1] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 411.272225][ 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) 
[ 411.272229][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 411.272232][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 411.272236][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 411.272240][ C1] ? run_timer_softirq (kernel/time/timer.c:2446) 
[ 411.272243][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 411.272249][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 411.272254][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 411.272257][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 411.272259][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  411.272263][    C1]  </IRQ>
[  411.272264][    C1]  <TASK>
[ 411.272265][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 411.272269][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 411.272272][ C1] Code: 20 cb 00 c3 cc cc cc cc 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 a3 00 23 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:	20 cb                	and    %cl,%bl
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  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
[  411.272275][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  411.272277][    C1] RAX: 00000000012b68c5 RBX: 1ffff92000026fc1 RCX: ffffffff85c62a19
[  411.272279][    C1] RDX: 0000000000000000 RSI: ffffffff868b8aa9 RDI: ffffffff86050d20
[  411.272281][    C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c1667a
[  411.272283][    C1] R10: ffff8880360b33d3 R11: 0000000000000000 R12: 0000000000000000
[  411.272284][    C1] R13: ffff888001bb8040 R14: dffffc0000000000 R15: 0000000000000000
[ 411.272288][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 411.272292][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 411.272295][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 411.272297][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 411.272302][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 411.272306][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 411.272311][ C1] do_idle (kernel/sched/idle.c:325) 
[ 411.272315][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 411.272318][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 411.272322][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 411.272327][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  419.234431][    C2] INFO: lockdep is turned off.
| [  419.234613][    C2] Preemption disabled at:
| [ 419.234615][ C2] 0x0 
| [  419.234957][    C2] Tainted: [W]=WARN
[  419.234959][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  419.234961][    C2] Call Trace:
[  419.234963][    C2]  <IRQ>
[ 419.234966][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 419.234974][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 419.234980][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 419.234984][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 419.234987][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 419.234992][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 419.234997][ 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) 
[ 419.235002][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 419.235004][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 419.235008][ 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) 
[ 419.235012][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 419.235015][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 419.235020][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 419.235023][ 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:2333) 
[ 419.235028][ C2] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 419.235033][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 419.235036][ C2] ? handle_softirqs (kernel/softirq.c:579) 
[ 419.235041][ C2] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 419.235044][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 419.235046][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 419.235051][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 419.235055][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 419.235059][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 419.235061][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 419.235064][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 419.235068][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 419.235070][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 419.235074][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 419.235079][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 419.235084][ C2] __put_net (net/core/net_namespace.c:732) 
[ 419.235088][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 419.235091][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 419.235095][ C2] call_timer_fn (kernel/time/timer.c:1789) 
[ 419.235101][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 419.235103][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 419.235106][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 419.235109][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 419.235114][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 419.235119][ C2] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 419.235122][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 419.235126][ C2] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 419.235130][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 419.235133][ C2] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 419.235137][ 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) 
[ 419.235140][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 419.235143][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 419.235146][ C2] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 419.235151][ C2] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 419.235154][ C2] run_timer_softirq (kernel/time/timer.c:2446) 
[ 419.235157][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 419.235163][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 419.235166][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 419.235168][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  419.235172][    C2]  </IRQ>
[  419.235173][    C2]  <TASK>
[ 419.235175][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 419.235177][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 419.235181][ C2] Code: 20 cb 00 c3 cc cc cc cc 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 a3 00 23 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:	20 cb                	and    %cl,%bl
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  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
[  419.235184][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[  419.235188][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff85c62a19
[  419.235190][    C2] RDX: ffffed1006c2667b RSI: ffffffff86050ca0 RDI: ffffffff83387d8f
[  419.235192][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c2667a
[  419.235193][    C2] R10: ffff8880361333d3 R11: ffff888002802858 R12: 0000000000000000
[  419.235195][    C2] R13: ffff888001bba340 R14: dffffc0000000000 R15: 0000000000000000
[ 419.235199][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 419.235202][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 419.235206][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 419.235208][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 419.235211][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 419.235215][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 419.235219][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 419.235225][ C2] do_idle (kernel/sched/idle.c:325) 
[ 419.235229][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 419.235232][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 419.235236][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 419.235241][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  436.259735][    C1] INFO: lockdep is turned off.
| [  436.259909][    C1] Preemption disabled at:
| [ 436.259911][ C1] handle_softirqs (kernel/softirq.c:553) 
| [  436.260292][    C1] Tainted: [W]=WARN
[  436.260294][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  436.260296][    C1] Call Trace:
[  436.260298][    C1]  <TASK>
[ 436.260302][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 436.260312][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 436.260318][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 436.260324][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 436.260327][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 436.260333][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 436.260340][ 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) 
[ 436.260345][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 436.260348][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 436.260354][ 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) 
[ 436.260358][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 436.260361][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 436.260368][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 436.260370][ 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:2333) 
[ 436.260377][ C1] ? tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 436.260384][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 436.260387][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 436.260392][ C1] ? ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 436.260396][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 436.260398][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 436.260404][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 436.260407][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 436.260411][ C1] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 436.260414][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 436.260417][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 436.260419][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 436.260424][ C1] ? kthread (kernel/kthread.c:464) 
[ 436.260428][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 436.260434][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 436.260439][ C1] __put_net (net/core/net_namespace.c:732) 
[ 436.260444][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 436.260447][ C1] tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 436.260453][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 436.260459][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 436.260462][ C1] ? sched_balance_find_src_group (kernel/sched/fair.c:11309) 
[ 436.260468][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 436.260473][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 436.260477][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 436.260480][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 436.260485][ C1] ? ip_fast_csum (lib/checksum.c:99) 
[ 436.260489][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2709 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 436.260493][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 436.260496][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 436.260499][ C1] ? sched_clock (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/tsc.c:288) 
[ 436.260504][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 436.260510][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 436.260513][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 436.260516][ C1] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 436.260520][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 436.260524][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 436.260527][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 436.260531][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 436.260535][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 436.260541][ C1] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 436.260544][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 436.260548][ C1] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 436.260554][ C1] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 436.260557][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 436.260561][ C1] ? trace_sched_exit_tp (./include/trace/events/sched.h:829 (discriminator 21)) 
[ 436.260564][ C1] ? __schedule (kernel/sched/core.c:6646) 
[ 436.260570][ C1] ? __pfx___schedule (kernel/sched/core.c:6646) 
[ 436.260573][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 436.260580][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 436.260585][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 436.260588][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 436.260590][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 436.260593][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 436.260596][ C1] kthread (kernel/kthread.c:464) 
[ 436.260599][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 436.260602][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 436.260605][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 436.260609][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 436.260612][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 436.260616][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 436.260619][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 436.260622][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  464.231088][    C1] INFO: lockdep is turned off.
| [  464.231389][    C1] Preemption disabled at:
| [ 464.231392][ C1] 0x0 
| [  464.231896][    C1] Tainted: [W]=WARN
[  464.231898][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  464.231901][    C1] Call Trace:
[  464.231905][    C1]  <IRQ>
[ 464.231909][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 464.231924][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 464.231934][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 464.231943][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 464.231948][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 464.231956][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 464.231965][ 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) 
[ 464.231975][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 464.231979][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 464.231987][ 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) 
[ 464.231995][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 464.232000][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 464.232009][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 464.232014][ C1] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) 
[ 464.232019][ 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:2333) 
[ 464.232027][ C1] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 464.232034][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 464.232039][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 464.232050][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 464.232055][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 464.232058][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 464.232066][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 464.232071][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 464.232077][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 464.232081][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 464.232085][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 464.232093][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 464.232100][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 464.232105][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 464.232114][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 464.232122][ C1] __put_net (net/core/net_namespace.c:732) 
[ 464.232130][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 464.232136][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 464.232144][ C1] call_timer_fn (kernel/time/timer.c:1789) 
[ 464.232148][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 464.232153][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 464.232158][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 464.232163][ C1] ? perf_event_task_tick (kernel/events/core.c:4455) 
[ 464.232172][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 464.232178][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 464.232186][ C1] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 464.232192][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 464.232200][ C1] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 464.232206][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 464.232212][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 464.232219][ 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) 
[ 464.232225][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 464.232230][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 464.232234][ C1] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 464.232242][ C1] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 464.232248][ C1] run_timer_softirq (kernel/time/timer.c:2446) 
[ 464.232253][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 464.232262][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 464.232268][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 464.232272][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  464.232278][    C1]  </IRQ>
[  464.232280][    C1]  <TASK>
[ 464.232283][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 464.232287][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 464.232294][ C1] Code: 20 cb 00 c3 cc cc cc cc 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 a3 00 23 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:	20 cb                	and    %cl,%bl
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  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
[  464.232298][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  464.232304][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff85c62a19
[  464.232308][    C1] RDX: ffffed1006c1667b RSI: ffffffff86050ca0 RDI: ffffffff83387d8f
[  464.232311][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[  464.232314][    C1] R10: ffff8880360b33d3 R11: ffff8880027ea858 R12: 0000000000000000
[  464.232317][    C1] R13: ffff888001bb8040 R14: dffffc0000000000 R15: 0000000000000000
[ 464.232324][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 464.232330][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 464.232338][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 464.232342][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 464.232346][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 464.232352][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 464.232359][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 464.232368][ C1] do_idle (kernel/sched/idle.c:325) 
[ 464.232375][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 464.232381][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 464.232386][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 464.232395][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  476.578609][    C0] INFO: lockdep is turned off.
| [  476.578802][    C0] Preemption disabled at:
| [ 476.578804][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [  476.579250][    C0] Tainted: [W]=WARN
[  476.579252][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  476.579254][    C0] Call Trace:
[  476.579256][    C0]  <IRQ>
[ 476.579258][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 476.579264][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 476.579270][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 476.579274][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 476.579277][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 476.579281][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 476.579287][ 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) 
[ 476.579291][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 476.579294][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 476.579299][ 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) 
[ 476.579303][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 476.579306][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 476.579311][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 476.579314][ 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:2333) 
[ 476.579318][ C0] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 476.579323][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 476.579326][ C0] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 476.579331][ C0] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 476.579334][ C0] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 476.579337][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 476.579342][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 476.579345][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 476.579347][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 476.579352][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 476.579356][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 476.579359][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 476.579362][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 476.579364][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 476.579370][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 476.579374][ C0] __put_net (net/core/net_namespace.c:732) 
[ 476.579379][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 476.579382][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 476.579386][ C0] call_timer_fn (kernel/time/timer.c:1789) 
[ 476.579389][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 476.579392][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 476.579395][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 476.579400][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 476.579404][ C0] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 476.579408][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 476.579412][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 476.579415][ C0] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 476.579418][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 476.579421][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 476.579424][ 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) 
[ 476.579427][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 476.579430][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 476.579434][ C0] ? timer_expire_remote (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 476.579439][ C0] timer_expire_remote (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 476.579443][ C0] 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) 
[ 476.579446][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 476.579450][ C0] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 476.579452][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 476.579456][ C0] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 476.579460][ 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) 
[ 476.579463][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 476.579466][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 476.579471][ C0] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 476.579475][ C0] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 476.579478][ C0] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 476.579482][ C0] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 476.579485][ C0] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 476.579488][ C0] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 476.579491][ C0] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:752 (discriminator 4)) 
[ 476.579496][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 476.579502][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 476.579507][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 476.579511][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 476.579513][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  476.579517][    C0]  </IRQ>
[  476.579518][    C0]  <TASK>
[ 476.579519][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 476.579522][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 476.579526][ C0] Code: 20 cb 00 c3 cc cc cc cc 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 a3 00 23 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:	20 cb                	and    %cl,%bl
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  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
[  476.579529][    C0] RSP: 0018:ffffffff86a07df8 EFLAGS: 00000246
[  476.579532][    C0] RAX: 0000000000000000 RBX: 1ffffffff0d40fc3 RCX: ffffffff85c62a19
[  476.579534][    C0] RDX: ffffed1006c0667b RSI: ffffffff86050ca0 RDI: ffffffff83387d8f
[  476.579536][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c0667a
[  476.579537][    C0] R10: ffff8880360333d3 R11: ffffffff897a2ff0 R12: 0000000000000000
[  476.579539][    C0] R13: ffffffff86a43240 R14: dffffc0000000000 R15: 0000000000014770
[ 476.579543][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 476.579546][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 476.579552][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 476.579554][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 476.579557][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 476.579560][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 476.579564][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 476.579570][ C0] do_idle (kernel/sched/idle.c:325) 
[ 476.579574][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 476.579577][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 476.579581][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 476.579586][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 476.579590][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 476.579593][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  480.676319][    C3] INFO: lockdep is turned off.
| [  480.676517][    C3] Preemption disabled at:
| [ 480.676519][ C3] 0x0 
| [  480.676866][    C3] Tainted: [W]=WARN
[  480.676868][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  480.676870][    C3] Call Trace:
[  480.676872][    C3]  <IRQ>
[ 480.676875][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 480.676885][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 480.676893][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 480.676899][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 480.676902][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 480.676908][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 480.676915][ 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) 
[ 480.676920][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 480.676923][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 480.676929][ 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) 
[ 480.676933][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 480.676936][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 480.676943][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 480.676946][ 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:2333) 
[ 480.676955][ C3] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 480.676962][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 480.676967][ C3] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 480.676974][ C3] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 480.676976][ C3] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 480.676979][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 480.676987][ C3] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 480.676990][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 480.676992][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 480.676998][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 480.677003][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 480.677007][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 480.677009][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 480.677012][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 480.677018][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 480.677023][ C3] __put_net (net/core/net_namespace.c:732) 
[ 480.677029][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 480.677032][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 480.677037][ C3] call_timer_fn (kernel/time/timer.c:1789) 
[ 480.677041][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 480.677043][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 480.677047][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 480.677051][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 480.677054][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 480.677059][ C3] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 480.677063][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 480.677067][ C3] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 480.677070][ C3] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 480.677073][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 480.677076][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 480.677080][ 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) 
[ 480.677083][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 480.677085][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 480.677089][ C3] ? timer_expire_remote (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 480.677094][ C3] timer_expire_remote (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 480.677098][ C3] 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) 
[ 480.677101][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 480.677104][ C3] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 480.677107][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 480.677110][ C3] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 480.677115][ 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) 
[ 480.677118][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 480.677121][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 480.677125][ C3] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 480.677129][ C3] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 480.677132][ C3] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 480.677136][ C3] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 480.677139][ C3] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 480.677142][ C3] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 480.677146][ C3] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:752 (discriminator 4)) 
[ 480.677153][ C3] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 480.677164][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 480.677172][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 480.677175][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 480.677177][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  480.677181][    C3]  </IRQ>
[  480.677182][    C3]  <TASK>
[ 480.677184][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 480.677186][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 480.677191][ C3] Code: 20 cb 00 c3 cc cc cc cc 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 a3 00 23 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:	20 cb                	and    %cl,%bl
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  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
[  480.677194][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[  480.677198][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff85c62a19
[  480.677200][    C3] RDX: ffffed1006c3667b RSI: ffffffff86050ca0 RDI: ffffffff83387d8f
[  480.677202][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[  480.677203][    C3] R10: ffff8880361b33d3 R11: ffffffff89745648 R12: 0000000000000000
[  480.677205][    C3] R13: ffff888001bbc640 R14: dffffc0000000000 R15: 0000000000000000
[ 480.677209][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 480.677212][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 480.677217][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 480.677220][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 480.677222][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 480.677226][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 480.677230][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 480.677237][ C3] do_idle (kernel/sched/idle.c:325) 
[ 480.677240][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 480.677244][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 480.677247][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 480.677252][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  496.616641][    C0] INFO: lockdep is turned off.
| [  496.616834][    C0] Preemption disabled at:
| [ 496.616836][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [  496.617286][    C0] Tainted: [W]=WARN
[  496.617287][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  496.617289][    C0] Call Trace:
[  496.617292][    C0]  <IRQ>
[ 496.617294][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 496.617302][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 496.617310][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 496.617314][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 496.617317][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 496.617323][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 496.617331][ 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) 
[ 496.617337][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 496.617340][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 496.617346][ 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) 
[ 496.617350][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 496.617353][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 496.617361][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 496.617364][ C0] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) 
[ 496.617366][ 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:2333) 
[ 496.617374][ C0] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 496.617381][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 496.617384][ C0] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 496.617390][ C0] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 496.617393][ C0] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 496.617396][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 496.617404][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 496.617408][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 496.617410][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 496.617417][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 496.617422][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 496.617426][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 496.617428][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 496.617431][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 496.617438][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 496.617443][ C0] __put_net (net/core/net_namespace.c:732) 
[ 496.617448][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 496.617452][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 496.617458][ C0] call_timer_fn (kernel/time/timer.c:1789) 
[ 496.617461][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 496.617463][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 496.617466][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 496.617471][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 496.617474][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 496.617479][ C0] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 496.617483][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 496.617487][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 496.617490][ C0] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 496.617493][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 496.617496][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 496.617500][ 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) 
[ 496.617503][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 496.617505][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 496.617512][ C0] ? timer_expire_remote (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 496.617517][ C0] timer_expire_remote (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 496.617521][ C0] 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) 
[ 496.617524][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 496.617527][ C0] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 496.617530][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 496.617534][ C0] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 496.617540][ 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) 
[ 496.617543][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 496.617546][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 496.617551][ C0] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 496.617555][ C0] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 496.617558][ C0] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 496.617562][ C0] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 496.617565][ C0] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 496.617568][ C0] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 496.617573][ C0] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:752 (discriminator 4)) 
[ 496.617578][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 496.617585][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 496.617590][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 496.617594][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 496.617596][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  496.617599][    C0]  </IRQ>
[  496.617600][    C0]  <TASK>
[ 496.617602][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 496.617605][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 496.617609][ C0] Code: 20 cb 00 c3 cc cc cc cc 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 a3 00 23 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:	20 cb                	and    %cl,%bl
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  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
[  496.617612][    C0] RSP: 0018:ffffffff86a07df8 EFLAGS: 00000246
[  496.617616][    C0] RAX: 0000000000000000 RBX: 1ffffffff0d40fc3 RCX: ffffffff85c62a19
[  496.617618][    C0] RDX: ffffed1006c0667b RSI: ffffffff86050ca0 RDI: ffffffff83387d8f
[  496.617620][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c0667a
[  496.617621][    C0] R10: ffff8880360333d3 R11: ffffffff897a2ff0 R12: 0000000000000000
[  496.617623][    C0] R13: ffffffff86a43240 R14: dffffc0000000000 R15: 0000000000014770
[ 496.617627][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 496.617630][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 496.617635][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 496.617638][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 496.617640][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 496.617644][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 496.617648][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 496.617655][ C0] do_idle (kernel/sched/idle.c:325) 
[ 496.617658][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 496.617662][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 496.617665][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 496.617671][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 496.617675][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 496.617679][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  505.250447][    C1] INFO: lockdep is turned off.
| [  505.250625][    C1] Preemption disabled at:
| [ 505.250627][ C1] 0x0 
| [  505.250942][    C1] Tainted: [W]=WARN
[  505.250943][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  505.250946][    C1] Call Trace:
[  505.250947][    C1]  <IRQ>
[ 505.250950][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 505.250958][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 505.250964][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 505.250969][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 505.250972][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 505.250976][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 505.250982][ 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) 
[ 505.250986][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 505.250989][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 505.250993][ 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) 
[ 505.250997][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 505.251000][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 505.251005][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 505.251008][ 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:2333) 
[ 505.251013][ C1] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 505.251018][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 505.251021][ C1] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 505.251025][ C1] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 505.251028][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 505.251031][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 505.251037][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 505.251040][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 505.251042][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 505.251047][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 505.251050][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 505.251053][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 505.251056][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 505.251059][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 505.251064][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 505.251068][ C1] __put_net (net/core/net_namespace.c:732) 
[ 505.251073][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 505.251076][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 505.251081][ C1] call_timer_fn (kernel/time/timer.c:1789) 
[ 505.251084][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 505.251086][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 505.251089][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 505.251093][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 505.251097][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 505.251101][ C1] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 505.251105][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 505.251109][ C1] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 505.251114][ 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) 
[ 505.251117][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 505.251120][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 505.251124][ C1] ? timer_expire_remote (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 505.251129][ C1] timer_expire_remote (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 505.251133][ 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) 
[ 505.251136][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 505.251139][ C1] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 505.251142][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 505.251145][ C1] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 505.251150][ 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) 
[ 505.251153][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 505.251156][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 505.251160][ C1] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 505.251164][ C1] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 505.251168][ C1] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 505.251172][ C1] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 505.251175][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 505.251178][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 505.251181][ C1] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:752 (discriminator 4)) 
[ 505.251185][ C1] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 505.251191][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 505.251197][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 505.251200][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 505.251202][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  505.251206][    C1]  </IRQ>
[  505.251207][    C1]  <TASK>
[ 505.251208][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 505.251211][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 505.251215][ C1] Code: 20 cb 00 c3 cc cc cc cc 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 a3 00 23 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:	20 cb                	and    %cl,%bl
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  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
[  505.251218][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  505.251221][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff85c62a19
[  505.251223][    C1] RDX: ffffed1006c1667b RSI: ffffffff86050ca0 RDI: ffffffff83387d8f
[  505.251225][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[  505.251227][    C1] R10: ffff8880360b33d3 R11: ffffffff89783cb8 R12: 0000000000000000
[  505.251228][    C1] R13: ffff888001bb8040 R14: dffffc0000000000 R15: 0000000000000000
[ 505.251232][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 505.251235][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 505.251240][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 505.251243][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 505.251245][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 505.251249][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 505.251253][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 505.251259][ C1] do_idle (kernel/sched/idle.c:325) 
[ 505.251263][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 505.251267][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 505.251271][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 505.251275][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  525.865516][    C1] INFO: lockdep is turned off.
| [  525.865820][    C1] Preemption disabled at:
| [ 525.865822][ C1] 0x0 
| [  525.866164][    C1] Tainted: [W]=WARN
[  525.866165][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  525.866167][    C1] Call Trace:
[  525.866169][    C1]  <IRQ>
[ 525.866171][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 525.866179][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 525.866185][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 525.866190][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 525.866192][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 525.866197][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 525.866202][ 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) 
[ 525.866207][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 525.866210][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 525.866214][ 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) 
[ 525.866218][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 525.866221][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 525.866226][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 525.866229][ 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:2333) 
[ 525.866234][ C1] ? tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 525.866240][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 525.866243][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 525.866249][ C1] ? ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 525.866252][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 525.866255][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 525.866261][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 525.866265][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 525.866268][ C1] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 525.866271][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 525.866277][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 525.866280][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 525.866282][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 525.866287][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 525.866292][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 525.866297][ C1] __put_net (net/core/net_namespace.c:732) 
[ 525.866301][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 525.866305][ C1] tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 525.866311][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 525.866316][ C1] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[ 525.866321][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 525.866324][ C1] ? __neigh_notify (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/neighbour.c:3466) 
[ 525.866329][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 525.866334][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 525.866337][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 525.866342][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 525.866345][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 525.866348][ C1] ? call_timer_fn (kernel/time/timer.c:1794) 
[ 525.866351][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 525.866353][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 525.866357][ C1] ? ip_fast_csum (lib/checksum.c:99) 
[ 525.866362][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2709 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 525.866365][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 525.866369][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 525.866372][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 525.866375][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 525.866378][ C1] ? __run_timers (kernel/time/timer.c:1837 kernel/time/timer.c:2414) 
[ 525.866382][ 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) 
[ 525.866385][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 525.866387][ C1] ? tmigr_update_events (kernel/time/timer_migration.c:863) 
[ 525.866391][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 525.866395][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 525.866398][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 525.866401][ C1] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 525.866405][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 525.866409][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 525.866413][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 525.866416][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 525.866420][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 525.866426][ C1] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 525.866429][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 525.866433][ C1] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 525.866439][ C1] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 525.866443][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 525.866448][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 525.866451][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 525.866455][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 525.866457][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 525.866461][ C1] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:752 (discriminator 4)) 
[ 525.866466][ C1] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 525.866473][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 525.866479][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 525.866482][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 525.866484][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  525.866488][    C1]  </IRQ>
[  525.866489][    C1]  <TASK>
[ 525.866491][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 525.866494][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 525.866498][ C1] Code: 20 cb 00 c3 cc cc cc cc 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 a3 00 23 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:	20 cb                	and    %cl,%bl
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  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
[  525.866501][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  525.866505][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff85c62a19
[  525.866507][    C1] RDX: ffffed1006c1667b RSI: ffffffff86050ca0 RDI: ffffffff83387d8f
[  525.866509][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[  525.866510][    C1] R10: ffff8880360b33d3 R11: ffff8880027ea858 R12: 0000000000000000
[  525.866512][    C1] R13: ffff888001bb8040 R14: dffffc0000000000 R15: 0000000000000000
[ 525.866516][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 525.866519][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 525.866525][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 525.866527][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 525.866530][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 525.866533][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 525.866537][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 525.866544][ C1] do_idle (kernel/sched/idle.c:325) 
[ 525.866547][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 525.866551][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 525.866555][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 525.866559][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  681.379226][    C1] INFO: lockdep is turned off.
| [  681.379511][    C1] Preemption disabled at:
| [ 681.379514][ C1] 0x0 
| [  681.380039][    C1] Tainted: [W]=WARN
[  681.380041][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  681.380045][    C1] Call Trace:
[  681.380048][    C1]  <IRQ>
[ 681.380052][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 681.380066][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 681.380077][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 681.380085][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 681.380089][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 681.380097][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 681.380106][ 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) 
[ 681.380114][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 681.380119][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 681.380126][ 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) 
[ 681.380134][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 681.380139][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 681.380149][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 681.380154][ 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:2333) 
[ 681.380162][ C1] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 681.380170][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 681.380175][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 681.380184][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 681.380189][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 681.380193][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 681.380201][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 681.380208][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 681.380214][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 681.380219][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 681.380223][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 681.380229][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 681.380233][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 681.380237][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 681.380244][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 681.380251][ C1] __put_net (net/core/net_namespace.c:732) 
[ 681.380259][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 681.380265][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 681.380272][ C1] call_timer_fn (kernel/time/timer.c:1789) 
[ 681.380277][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 681.380281][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 681.380286][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 681.380291][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 681.380300][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 681.380307][ C1] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 681.380312][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 681.380320][ C1] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 681.380326][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 681.380333][ 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) 
[ 681.380338][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 681.380343][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 681.380349][ C1] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 681.380358][ C1] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 681.380364][ C1] run_timer_softirq (kernel/time/timer.c:2446) 
[ 681.380369][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 681.380379][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 681.380385][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 681.380388][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  681.380394][    C1]  </IRQ>
[  681.380396][    C1]  <TASK>
[ 681.380399][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 681.380404][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 681.380411][ C1] Code: 20 cb 00 c3 cc cc cc cc 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 a3 00 23 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:	20 cb                	and    %cl,%bl
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  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
[  681.380417][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  681.380423][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff85c62a19
[  681.380427][    C1] RDX: ffffed1006c1667b RSI: ffffffff86050ca0 RDI: ffffffff83387d8f
[  681.380431][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[  681.380434][    C1] R10: ffff8880360b33d3 R11: ffffffff89783cb8 R12: 0000000000000000
[  681.380437][    C1] R13: ffff888001bb8040 R14: dffffc0000000000 R15: 0000000000000000
[ 681.380445][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 681.380450][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 681.380457][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 681.380462][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 681.380466][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 681.380473][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 681.380480][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 681.380491][ C1] do_idle (kernel/sched/idle.c:325) 
[ 681.380497][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 681.380502][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 681.380509][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 681.380517][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1729.185535][    C3] INFO: lockdep is turned off.
| [ 1729.185721][    C3] Preemption disabled at:
| [ 1729.185723][ C3] __dev_queue_xmit (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:894 net/core/dev.c:4636) 
| [ 1729.186129][    C3] Tainted: [W]=WARN
[ 1729.186130][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1729.186132][    C3] Workqueue: events mptcp_worker
[ 1729.186141][    C3] Call Trace:
[ 1729.186143][    C3]  <IRQ>
[ 1729.186145][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1729.186153][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 1729.186159][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1729.186165][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1729.186168][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 1729.186172][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1729.186177][ 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) 
[ 1729.186182][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 1729.186184][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1729.186189][ 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) 
[ 1729.186193][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1729.186196][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 1729.186201][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1729.186204][ 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:2333) 
[ 1729.186208][ C3] ? ip_rcv_core (./include/linux/skbuff.h:3307 net/ipv4/ip_input.c:538) 
[ 1729.186213][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1729.186216][ C3] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 1729.186220][ C3] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 1729.186223][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 1729.186228][ C3] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1729.186230][ C3] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1729.186233][ C3] ? __dev_queue_xmit (net/core/dev.c:4739) 
[ 1729.186236][ C3] ? ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1729.186238][ C3] ? ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 1729.186241][ C3] ? __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1729.186243][ C3] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1729.186249][ C3] ? tcp_write_xmit (net/ipv4/tcp_output.c:2839) 
[ 1729.186251][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1729.186256][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1729.186260][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1729.186265][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 1729.186268][ C3] ip_rcv_core (./include/linux/skbuff.h:3307 net/ipv4/ip_input.c:538) 
[ 1729.186273][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 1729.186276][ C3] ip_rcv (net/ipv4/ip_input.c:563) 
[ 1729.186279][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1729.186284][ C3] ? switch_hrtimer_base (kernel/time/hrtimer.c:232 kernel/time/hrtimer.c:258) 
[ 1729.186289][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1729.186291][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 1729.186294][ C3] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 1729.186298][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 1729.186302][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1729.186306][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1729.186310][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 1729.186314][ C3] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 1729.186318][ C3] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 1729.186323][ C3] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 1729.186327][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1729.186331][ C3] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 1729.186336][ C3] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:285) 
[ 1729.186341][ C3] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 1729.186345][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1729.186349][ C3] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 1729.186353][ C3] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:752 (discriminator 4)) 
[ 1729.186356][ C3] ? hrtimer_interrupt (kernel/time/hrtimer.c:1900) 
[ 1729.186359][ C3] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 1729.186364][ C3] ? hrtimer_interrupt (kernel/time/hrtimer.c:1900) 
[ 1729.186368][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 1729.186373][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4738) 
[ 1729.186376][ C3] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1729.186379][    C3]  </IRQ>
[ 1729.186380][    C3]  <TASK>
[ 1729.186381][ C3] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1729.186383][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4738) 
[ 1729.186386][ C3] __dev_queue_xmit (net/core/dev.c:4739) 
[ 1729.186389][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1729.186393][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1729.186396][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 1729.186401][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1729.186404][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4619) 
[ 1729.186409][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1729.186412][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1729.186416][ C3] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 1729.186418][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1729.186422][ C3] ? ip_finish_output2 (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 net/ipv4/ip_output.c:228) 
[ 1729.186426][ C3] ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1729.186429][ C3] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499 ./include/net/ip.h:512) 
[ 1729.186431][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1729.186434][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1729.186437][ C3] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 1729.186440][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1729.186443][ C3] ? __ip_finish_output (./include/linux/skbuff.h:1678 ./include/linux/skbuff.h:5069 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 1729.186447][ C3] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 1729.186449][ C3] ? __ip_local_out (./include/linux/skbuff.h:1157 net/ipv4/ip_output.c:119) 
[ 1729.186452][ C3] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 1729.186454][ C3] ? ipv4_dst_check (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/route.c:397 net/ipv4/route.c:1209) 
[ 1729.186457][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1729.186460][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1729.186465][ C3] __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1729.186469][ C3] ? __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:1566 (discriminator 4)) 
[ 1729.186473][ C3] __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1729.186480][ C3] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1300) 
[ 1729.186483][ C3] ? __pfx_mptcp_established_options (net/mptcp/options.c:832) 
[ 1729.186488][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1729.186492][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1729.186495][ C3] ? tcp_small_queue_check.isra.0 (./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 net/ipv4/tcp_output.c:2640) 
[ 1729.186499][ C3] tcp_write_xmit (net/ipv4/tcp_output.c:2839) 
[ 1729.186504][ C3] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1873) 
[ 1729.186508][ C3] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2748) 
[ 1729.186511][ C3] ? inet_sk_state_store (net/ipv4/af_inet.c:1353) 
[ 1729.186514][ C3] ? tcp_set_state (net/ipv4/tcp.c:2930 (discriminator 53)) 
[ 1729.186518][ C3] ? __pfx_tcp_set_state (net/ipv4/tcp.c:2930) 
[ 1729.186522][ C3] __tcp_push_pending_frames (net/ipv4/tcp_output.c:3022) 
[ 1729.186525][ C3] __tcp_close (net/ipv4/tcp.c:3190) 
[ 1729.186529][ C3] ? __mptcp_close_ssk (net/mptcp/protocol.c:2368) 
[ 1729.186533][ C3] ? __mptcp_close_ssk (net/mptcp/protocol.c:2368) 
[ 1729.186536][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1729.186539][ C3] __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:798 net/mptcp/protocol.c:2399) 
[ 1729.186543][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1729.186546][ C3] ? __pfx___mptcp_close_ssk (net/mptcp/protocol.c:2343) 
[ 1729.186551][ C3] mptcp_destroy_common (net/mptcp/protocol.c:3295) 
[ 1729.186555][ C3] mptcp_destroy (./include/net/sock.h:1398 (discriminator 3) net/mptcp/protocol.c:3315 (discriminator 3)) 
[ 1729.186557][ C3] __mptcp_destroy_sock (net/mptcp/protocol.c:2948) 
[ 1729.186561][ C3] mptcp_worker (net/mptcp/protocol.c:2700) 
[ 1729.186564][ C3] ? __pfx_debug_object_deactivate (lib/debugobjects.c:862) 
[ 1729.186570][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1729.186574][ C3] ? __pfx_mptcp_worker (net/mptcp/protocol.c:2671) 
[ 1729.186577][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1729.186581][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1729.186585][ C3] process_one_work (kernel/workqueue.c:3238) 
[ 1729.186592][ C3] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 1729.186597][ C3] ? assign_work (kernel/workqueue.c:1200) 
[ 1729.186601][ C3] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 1729.186604][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1729.186609][ C3] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 1729.186612][ C3] kthread (kernel/kthread.c:464) 
[ 1729.186616][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1729.186619][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1729.186622][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1729.186625][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1729.186628][ C3] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 1729.186632][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1729.186635][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1745.643710][    C3] INFO: lockdep is turned off.
| [ 1745.643907][    C3] Preemption disabled at:
| [ 1745.643909][ C3] __dev_queue_xmit (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:894 net/core/dev.c:4636) 
| [ 1745.644331][    C3] Tainted: [W]=WARN
[ 1745.644332][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1745.644334][    C3] Workqueue: events mptcp_worker
[ 1745.644343][    C3] Call Trace:
[ 1745.644345][    C3]  <IRQ>
[ 1745.644347][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1745.644354][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 1745.644360][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1745.644364][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1745.644367][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 1745.644371][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1745.644377][ 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) 
[ 1745.644381][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 1745.644384][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1745.644388][ 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) 
[ 1745.644392][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1745.644395][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 1745.644401][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1745.644404][ 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:2333) 
[ 1745.644408][ C3] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2375) 
[ 1745.644413][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1745.644416][ C3] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 1745.644421][ C3] ? __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 1745.644424][ C3] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 1745.644427][ C3] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 1745.644431][ C3] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 1745.644434][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 1745.644440][ C3] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1745.644442][ C3] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1745.644444][ C3] ? __dev_queue_xmit (net/core/dev.c:4739) 
[ 1745.644447][ C3] ? ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1745.644450][ C3] ? ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 1745.644453][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1745.644458][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1745.644463][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1745.644467][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 1745.644470][ C3] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2375) 
[ 1745.644478][ C3] ? raw_v4_input (net/ipv4/raw.c:165) 
[ 1745.644482][ C3] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2194) 
[ 1745.644487][ C3] ? __inet_lookup_established (./include/net/net_namespace.h:409 ./include/net/sock.h:664 ./include/net/inet_hashtables.h:353 net/ipv4/inet_hashtables.c:515) 
[ 1745.644492][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) 
[ 1745.644497][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1745.644501][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 1745.644505][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 1745.644507][ C3] ? tcp_v4_early_demux (./include/linux/skbuff.h:1189 net/ipv4/tcp_ipv4.c:2008) 
[ 1745.644511][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1745.644515][ C3] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349) 
[ 1745.644518][ C3] ? ip_rcv_finish_core (./include/linux/skbuff.h:1157 ./include/net/route.h:88 net/ipv4/ip_input.c:390) 
[ 1745.644523][ C3] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 1745.644526][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1745.644531][ C3] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1300) 
[ 1745.644538][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1745.644540][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 1745.644544][ C3] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 1745.644547][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 1745.644551][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1745.644555][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1745.644558][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 1745.644563][ C3] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 1745.644567][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 1745.644571][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 1745.644575][ C3] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 1745.644578][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1745.644582][ C3] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 1745.644588][ C3] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 1745.644593][ C3] ? 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) 
[ 1745.644598][ C3] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 1745.644600][ 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) 
[ 1745.644603][ C3] ? spin_bug (kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 1745.644606][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1745.644612][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 1745.644616][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4738) 
[ 1745.644620][ C3] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1745.644622][    C3]  </IRQ>
[ 1745.644623][    C3]  <TASK>
[ 1745.644624][ C3] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1745.644627][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4738) 
[ 1745.644630][ C3] __dev_queue_xmit (net/core/dev.c:4739) 
[ 1745.644633][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1745.644636][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1745.644642][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1745.644645][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4619) 
[ 1745.644650][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1745.644653][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1745.644657][ C3] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 1745.644659][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1745.644663][ C3] ? ip_finish_output2 (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 net/ipv4/ip_output.c:228) 
[ 1745.644667][ C3] ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1745.644670][ C3] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499 ./include/net/ip.h:512) 
[ 1745.644672][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1745.644675][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1745.644679][ C3] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 1745.644682][ C3] ? __ip_finish_output (./include/linux/skbuff.h:1678 ./include/linux/skbuff.h:5069 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 1745.644686][ C3] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 1745.644688][ C3] ? __ip_local_out (net/ipv4/ip_output.c:101) 
[ 1745.644691][ C3] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 1745.644694][ C3] ? ipv4_dst_check (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/route.c:397 net/ipv4/route.c:1209) 
[ 1745.644696][ C3] ? srcu_funnel_gp_start (kernel/rcu/srcutree.c:1059) 
[ 1745.644700][ C3] ? __pfx_dst_output (./include/net/dst.h:458) 
[ 1745.644704][ C3] __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1745.644707][ C3] ? __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:1566 (discriminator 4)) 
[ 1745.644712][ C3] __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1745.644719][ C3] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1300) 
[ 1745.644722][ C3] ? __pfx_mptcp_established_options (net/mptcp/options.c:832) 
[ 1745.644727][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1745.644731][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1745.644734][ C3] ? tcp_small_queue_check.isra.0 (./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 net/ipv4/tcp_output.c:2640) 
[ 1745.644738][ C3] tcp_write_xmit (net/ipv4/tcp_output.c:2839) 
[ 1745.644743][ C3] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1873) 
[ 1745.644748][ C3] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2748) 
[ 1745.644750][ C3] ? inet_sk_state_store (net/ipv4/af_inet.c:1353) 
[ 1745.644754][ C3] ? tcp_set_state (net/ipv4/tcp.c:2930 (discriminator 53)) 
[ 1745.644758][ C3] ? __pfx_tcp_set_state (net/ipv4/tcp.c:2930) 
[ 1745.644762][ C3] __tcp_push_pending_frames (net/ipv4/tcp_output.c:3022) 
[ 1745.644765][ C3] __tcp_close (net/ipv4/tcp.c:3190) 
[ 1745.644768][ C3] ? __mptcp_close_ssk (net/mptcp/protocol.c:2368) 
[ 1745.644772][ C3] ? __mptcp_close_ssk (net/mptcp/protocol.c:2368) 
[ 1745.644775][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1745.644779][ C3] __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:798 net/mptcp/protocol.c:2399) 
[ 1745.644783][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1745.644785][ C3] ? __pfx___mptcp_close_ssk (net/mptcp/protocol.c:2343) 
[ 1745.644790][ C3] mptcp_destroy_common (net/mptcp/protocol.c:3295) 
[ 1745.644794][ C3] mptcp_destroy (./include/net/sock.h:1398 (discriminator 3) net/mptcp/protocol.c:3315 (discriminator 3)) 
[ 1745.644797][ C3] __mptcp_destroy_sock (net/mptcp/protocol.c:2948) 
[ 1745.644800][ C3] mptcp_worker (net/mptcp/protocol.c:2700) 
[ 1745.644804][ C3] ? __pfx_debug_object_deactivate (lib/debugobjects.c:862) 
[ 1745.644809][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1745.644813][ C3] ? __pfx_mptcp_worker (net/mptcp/protocol.c:2671) 
[ 1745.644816][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1745.644820][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1745.644824][ C3] process_one_work (kernel/workqueue.c:3238) 
[ 1745.644831][ C3] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 1745.644836][ C3] ? assign_work (kernel/workqueue.c:1200) 
[ 1745.644840][ C3] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 1745.644844][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1745.644848][ C3] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 1745.644852][ C3] kthread (kernel/kthread.c:464) 
[ 1745.644856][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1745.644858][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1745.644862][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1745.644865][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1745.644868][ C3] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 1745.644872][ C3] ? __pfx_kthread (kernel/kthread.c:413) 


Finger prints:
__might_resched:down_write:simple_recursive_removal:debugfs_remove:ref_tracker_dir_exit
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
__dev_queue_xmit:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal
handle_softirqs:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal