======================================
| [ 429.294438][ C1] #0: ffffffff9a798ae0 (rcu_read_lock){....}-{1:3}, at: process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
| [ 429.294810][ C1] #1: ffffffff9a798ae0 (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) 
| [  429.295250][    C1]
| [  429.295250][    C1] stack backtrace:
[  429.295514][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  429.295516][    C1] Call Trace:
[  429.295519][    C1]  <IRQ>
[ 429.295521][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 429.295531][ C1] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 429.295536][ C1] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 429.295541][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 429.295549][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 429.295553][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 429.295561][ C1] mark_lock (kernel/locking/lockdep.c:4754) 
[ 429.295565][ C1] mark_usage (kernel/locking/lockdep.c:4643) 
[ 429.295569][ C1] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 429.295575][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 429.295579][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 429.295582][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 429.295587][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 429.295591][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 429.295594][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 429.295598][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 429.295600][ C1] simple_pin_fs (fs/libfs.c:1066) 
[ 429.295603][ C1] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 429.295606][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 429.295613][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 429.295616][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 429.295622][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 429.295628][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 429.295631][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 429.295634][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 429.295637][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 429.295640][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 429.295643][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 429.295646][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 429.295649][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 429.295652][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 429.295655][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 429.295657][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 429.295659][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 429.295667][ C1] __put_net (net/core/net_namespace.c:732) 
[ 429.295673][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 429.295677][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 429.295683][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 429.295688][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 429.295693][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 429.295698][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 429.295703][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 429.295707][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 429.295711][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 429.295716][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 429.295721][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 429.295724][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 429.295728][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 429.295731][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 429.295734][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 429.295739][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 429.295743][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 429.295746][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 429.295749][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 429.295753][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 429.295757][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 429.295761][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 429.295764][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 429.295769][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 429.295774][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 429.295778][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 429.295782][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 429.295788][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 429.295794][ C1] ? tmigr_handle_remote (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/time/timer_migration.c:441 kernel/time/timer_migration.c:1074) 
[ 429.295800][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 429.295804][ C1] ? run_timer_softirq (kernel/time/timer.c:2446) 
[ 429.295808][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 429.295814][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 429.295819][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 429.295821][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 429.295823][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  429.295827][    C1]  </IRQ>
[  429.295828][    C1]  <TASK>
[ 429.295830][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 429.295833][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 429.295837][ C1] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  429.295840][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000242
[  429.295844][    C1] RAX: 00000000011e4fd5 RBX: 1ffff92000026fc1 RCX: ffffffff9966aa19
[  429.295846][    C1] RDX: 0000000000000000 RSI: ffffffff9a2ba935 RDI: ffffffff99a512a0
[  429.295848][    C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c1667a
[  429.295849][    C1] R10: ffff8880360b33d3 R11: 0000000000000000 R12: 0000000000000000
[  429.295851][    C1] R13: ffff888001bf8040 R14: dffffc0000000000 R15: 0000000000000000
[ 429.295855][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 429.295860][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 429.295862][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 429.295865][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 429.295872][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 429.295876][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 429.295885][ C1] do_idle (kernel/sched/idle.c:325) 
[ 429.295889][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 429.295892][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 429.295896][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 429.295901][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  429.321705][    C1] RCU nest depth: 2, expected: 0
| [  429.322042][    C1] INFO: lockdep is turned off.
| [  429.322238][    C1] Preemption disabled at:
| [ 429.322240][ C1] 0x0 
[  429.322586][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  429.322588][    C1] Call Trace:
[  429.322590][    C1]  <IRQ>
[ 429.322592][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 429.322600][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 429.322608][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 429.322612][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 429.322615][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 429.322619][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 429.322625][ 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) 
[ 429.322630][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 429.322633][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 429.322638][ 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) 
[ 429.322642][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 429.322645][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 429.322650][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 429.322653][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 429.322657][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 429.322662][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 429.322665][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 429.322671][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 429.322674][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 429.322677][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 429.322682][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 429.322685][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 429.322688][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 429.322692][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 429.322695][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 429.322697][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 429.322700][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 429.322706][ C1] __put_net (net/core/net_namespace.c:732) 
[ 429.322710][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 429.322714][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 429.322720][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 429.322724][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 429.322729][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 429.322733][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 429.322738][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 429.322742][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 429.322746][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 429.322751][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 429.322756][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 429.322762][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 429.322765][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 429.322769][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 429.322773][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 429.322780][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 429.322785][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 429.322788][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 429.322791][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 429.322795][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 429.322800][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 429.322803][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 429.322806][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 429.322811][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 429.322817][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 429.322820][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 429.322824][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 429.322831][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 429.322836][ C1] ? tmigr_handle_remote (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/time/timer_migration.c:441 kernel/time/timer_migration.c:1074) 
[ 429.322841][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 429.322845][ C1] ? run_timer_softirq (kernel/time/timer.c:2446) 
[ 429.322849][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 429.322855][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 429.322859][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 429.322862][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 429.322864][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  429.322868][    C1]  </IRQ>
[  429.322870][    C1]  <TASK>
[ 429.322872][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 429.322875][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 429.322878][ C1] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  429.322881][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000242
[  429.322884][    C1] RAX: 00000000011e4fd5 RBX: 1ffff92000026fc1 RCX: ffffffff9966aa19
[  429.322886][    C1] RDX: 0000000000000000 RSI: ffffffff9a2ba935 RDI: ffffffff99a512a0
[  429.322888][    C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c1667a
[  429.322889][    C1] R10: ffff8880360b33d3 R11: 0000000000000000 R12: 0000000000000000
[  429.322891][    C1] R13: ffff888001bf8040 R14: dffffc0000000000 R15: 0000000000000000
[ 429.322895][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 429.322899][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 429.322902][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 429.322905][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 429.322909][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 429.322913][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 429.322919][ C1] do_idle (kernel/sched/idle.c:325) 
[ 429.322923][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 429.322927][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 429.322930][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 429.322935][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  435.619543][    C1] INFO: lockdep is turned off.
| [  435.619855][    C1] Preemption disabled at:
| [ 435.619858][ C1] 0x0 
| [  435.620407][    C1] Tainted: [W]=WARN
[  435.620410][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  435.620413][    C1] Call Trace:
[  435.620416][    C1]  <IRQ>
[ 435.620419][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 435.620431][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 435.620442][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 435.620449][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 435.620454][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 435.620461][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 435.620470][ 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) 
[ 435.620476][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 435.620480][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 435.620485][ 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) 
[ 435.620490][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 435.620492][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 435.620498][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 435.620501][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 435.620505][ C1] ? call_timer_fn (kernel/time/timer.c:1790) 
[ 435.620511][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 435.620514][ C1] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 435.620519][ C1] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 435.620522][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 435.620525][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 435.620528][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 435.620531][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 435.620533][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 435.620538][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 435.620542][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 435.620544][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 435.620548][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 435.620551][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 435.620559][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 435.620564][ C1] __put_net (net/core/net_namespace.c:732) 
[ 435.620569][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 435.620573][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 435.620578][ C1] call_timer_fn (kernel/time/timer.c:1790) 
[ 435.620581][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 435.620584][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 435.620587][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 435.620593][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 435.620598][ C1] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 435.620602][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 435.620606][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 435.620609][ C1] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 435.620614][ 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) 
[ 435.620617][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 435.620620][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 435.620624][ C1] ? timer_expire_remote (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 435.620630][ C1] timer_expire_remote (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 435.620634][ 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) 
[ 435.620637][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 435.620641][ C1] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 435.620644][ C1] ? __pfx_debug_object_activate (lib/debugobjects.c:805) 
[ 435.620651][ C1] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 435.620658][ 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) 
[ 435.620661][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 435.620665][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 435.620669][ C1] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 435.620673][ C1] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 435.620677][ C1] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 435.620681][ C1] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 435.620684][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 435.620687][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 435.620692][ C1] ? ktime_get (kernel/time/timekeeping.c:251 (discriminator 4) kernel/time/timekeeping.c:360 (discriminator 4) kernel/time/timekeeping.c:778 (discriminator 4)) 
[ 435.620697][ C1] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 435.620702][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 435.620707][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 435.620709][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 435.620711][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  435.620715][    C1]  </IRQ>
[  435.620716][    C1]  <TASK>
[ 435.620718][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 435.620720][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 435.620724][ C1] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  435.620727][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  435.620730][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff9966aa19
[  435.620733][    C1] RDX: ffffed1006c1667b RSI: ffffffff99a51220 RDI: ffffffff96d8933f
[  435.620734][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[  435.620736][    C1] R10: ffff8880360b33d3 R11: ffff888001efcb58 R12: 0000000000000000
[  435.620738][    C1] R13: ffff888001bf8040 R14: dffffc0000000000 R15: 0000000000000000
[ 435.620741][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 435.620745][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 435.620750][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 435.620752][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 435.620755][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 435.620760][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 435.620765][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 435.620770][ C1] do_idle (kernel/sched/idle.c:325) 
[ 435.620774][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 435.620777][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 435.620781][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 435.620786][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  456.484649][    C1] INFO: lockdep is turned off.
| [  456.484840][    C1] Preemption disabled at:
| [ 456.484841][ C1] handle_softirqs (kernel/softirq.c:553) 
| [  456.485220][    C1] Tainted: [W]=WARN
[  456.485221][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  456.485224][    C1] Call Trace:
[  456.485226][    C1]  <TASK>
[ 456.485229][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 456.485237][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 456.485243][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 456.485247][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 456.485250][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 456.485255][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 456.485261][ 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) 
[ 456.485266][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 456.485269][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 456.485274][ 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) 
[ 456.485278][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 456.485282][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 456.485286][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 456.485289][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 456.485294][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 456.485299][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 456.485302][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 456.485307][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 456.485310][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 456.485314][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 456.485318][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 456.485322][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 456.485325][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 456.485328][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 456.485331][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 456.485333][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 456.485338][ C1] ? kthread (kernel/kthread.c:464) 
[ 456.485344][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 456.485349][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 456.485354][ C1] __put_net (net/core/net_namespace.c:732) 
[ 456.485360][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 456.485364][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 456.485370][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 456.485374][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 456.485378][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 456.485383][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 456.485388][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 456.485392][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 456.485396][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 456.485401][ C1] ? ip_fast_csum (lib/checksum.c:99) 
[ 456.485405][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 456.485408][ C1] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 456.485414][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 456.485418][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 456.485421][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 456.485425][ C1] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 456.485431][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 456.485434][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 456.485437][ C1] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 456.485441][ C1] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 456.485445][ C1] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 456.485452][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 456.485457][ C1] ? rcu_core (kernel/rcu/tree.c:2826) 
[ 456.485460][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 456.485463][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 456.485465][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 456.485468][ C1] ? kthread (kernel/kthread.c:464) 
[ 456.485471][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 456.485474][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 456.485477][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 456.485482][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 456.485486][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 456.485489][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 456.485493][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 456.485497][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 456.485502][ C1] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 456.485507][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 456.485511][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 456.485515][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 456.485521][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 456.485525][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 456.485528][ C1] ? trace_sched_exit_tp (./include/trace/events/sched.h:829 (discriminator 21)) 
[ 456.485532][ C1] ? __schedule (kernel/sched/core.c:6646) 
[ 456.485536][ C1] ? __pfx___schedule (kernel/sched/core.c:6646) 
[ 456.485539][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 456.485546][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 456.485549][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 456.485553][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 456.485555][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 456.485558][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 456.485562][ C1] kthread (kernel/kthread.c:464) 
[ 456.485565][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 456.485568][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 456.485572][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 456.485576][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 456.485579][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 456.485583][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 456.485586][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 456.485589][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  484.966278][    C1] INFO: lockdep is turned off.
| [  484.966473][    C1] Preemption disabled at:
| [ 484.966475][ C1] 0x0 
| [  484.966834][    C1] Tainted: [W]=WARN
[  484.966836][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  484.966838][    C1] Call Trace:
[  484.966840][    C1]  <IRQ>
[ 484.966843][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 484.966852][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 484.966859][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 484.966864][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 484.966867][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 484.966872][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 484.966878][ 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) 
[ 484.966883][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 484.966886][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 484.966890][ 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) 
[ 484.966895][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 484.966898][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 484.966903][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 484.966906][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 484.966911][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 484.966916][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 484.966920][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 484.966925][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 484.966928][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 484.966932][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 484.966937][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 484.966940][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 484.966944][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 484.966947][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 484.966951][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 484.966953][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 484.966955][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 484.966960][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 484.966966][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 484.966971][ C1] __put_net (net/core/net_namespace.c:732) 
[ 484.966976][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 484.966980][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 484.966986][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 484.966990][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 484.966994][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 484.966999][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 484.967004][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 484.967009][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 484.967012][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 484.967016][ C1] ? call_timer_fn (kernel/time/timer.c:1794) 
[ 484.967022][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 484.967024][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 484.967029][ C1] ? ip_fast_csum (lib/checksum.c:99) 
[ 484.967033][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 484.967038][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 484.967041][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 484.967045][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 484.967051][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 484.967055][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 484.967058][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 484.967062][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 484.967066][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 484.967069][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 484.967073][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 484.967078][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 484.967084][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 484.967087][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 484.967091][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 484.967098][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 484.967101][ C1] ? __pfx_trace_lock_release (./include/trace/events/lock.h:69) 
[ 484.967108][ C1] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12187) 
[ 484.967115][ C1] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 484.967121][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 484.967125][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 484.967128][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 484.967130][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  484.967134][    C1]  </IRQ>
[  484.967135][    C1]  <TASK>
[ 484.967136][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 484.967140][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 484.967143][ C1] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  484.967146][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  484.967150][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff9966aa19
[  484.967152][    C1] RDX: ffffed1006c1667b RSI: ffffffff99a51220 RDI: ffffffff96d8933f
[  484.967154][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[  484.967155][    C1] R10: ffff8880360b33d3 R11: ffff888001bf2858 R12: 0000000000000000
[  484.967157][    C1] R13: ffff888001bf8040 R14: dffffc0000000000 R15: 0000000000000000
[ 484.967161][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 484.967164][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 484.967169][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 484.967172][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 484.967175][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 484.967178][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 484.967183][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 484.967189][ C1] do_idle (kernel/sched/idle.c:325) 
[ 484.967193][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 484.967197][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 484.967201][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 484.967206][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  501.155457][    C1] INFO: lockdep is turned off.
| [  501.155641][    C1] Preemption disabled at:
| [ 501.155642][ C1] 0x0 
| [  501.155973][    C1] Tainted: [W]=WARN
[  501.155975][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  501.155977][    C1] Call Trace:
[  501.155979][    C1]  <IRQ>
[ 501.155982][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 501.155991][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 501.155998][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 501.156003][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 501.156006][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 501.156011][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 501.156017][ 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) 
[ 501.156022][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 501.156025][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 501.156030][ 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) 
[ 501.156034][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 501.156037][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 501.156043][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 501.156046][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 501.156050][ C1] ? call_timer_fn (kernel/time/timer.c:1790) 
[ 501.156056][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 501.156059][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 501.156062][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 501.156065][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 501.156067][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 501.156072][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 501.156076][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 501.156079][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 501.156083][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 501.156085][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 501.156090][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 501.156093][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 501.156097][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 501.156103][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 501.156108][ C1] __put_net (net/core/net_namespace.c:732) 
[ 501.156112][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 501.156116][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 501.156120][ C1] call_timer_fn (kernel/time/timer.c:1790) 
[ 501.156124][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 501.156127][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 501.156131][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 501.156134][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 501.156138][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 501.156143][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 501.156147][ C1] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 501.156151][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 501.156156][ C1] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 501.156159][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 501.156163][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 501.156167][ 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) 
[ 501.156170][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 501.156173][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 501.156176][ C1] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 501.156181][ C1] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 501.156185][ C1] run_timer_softirq (kernel/time/timer.c:2446) 
[ 501.156188][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 501.156193][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 501.156195][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 501.156198][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  501.156201][    C1]  </IRQ>
[  501.156203][    C1]  <TASK>
[ 501.156204][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 501.156207][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 501.156211][ C1] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  501.156213][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  501.156217][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff9966aa19
[  501.156219][    C1] RDX: ffffed1006c1667b RSI: ffffffff99a51220 RDI: ffffffff96d8933f
[  501.156222][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[  501.156223][    C1] R10: ffff8880360b33d3 R11: ffffffff9d187d18 R12: 0000000000000000
[  501.156225][    C1] R13: ffff888001bf8040 R14: dffffc0000000000 R15: 0000000000000000
[ 501.156229][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 501.156232][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 501.156237][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 501.156239][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 501.156242][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 501.156246][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 501.156250][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 501.156258][ C1] do_idle (kernel/sched/idle.c:325) 
[ 501.156262][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 501.156266][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 501.156270][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 501.156275][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  519.917931][    C1] INFO: lockdep is turned off.
| [  519.918135][    C1] Preemption disabled at:
| [ 519.918137][ C1] 0x0 
| [  519.918505][    C1] Tainted: [W]=WARN
[  519.918506][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  519.918509][    C1] Workqueue: events virtio_fs_requests_done_work
[  519.918521][    C1] Call Trace:
[  519.918523][    C1]  <IRQ>
[ 519.918526][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 519.918534][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 519.918541][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 519.918546][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 519.918549][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 519.918553][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 519.918560][ 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) 
[ 519.918565][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 519.918568][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 519.918572][ 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) 
[ 519.918577][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 519.918579][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 519.918585][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 519.918588][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 519.918593][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 519.918598][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 519.918601][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 519.918607][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 519.918611][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 519.918614][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 519.918619][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 519.918622][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 519.918625][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 519.918629][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 519.918632][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 519.918634][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 519.918637][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 519.918641][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 519.918647][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 519.918652][ C1] __put_net (net/core/net_namespace.c:732) 
[ 519.918656][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 519.918660][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 519.918667][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 519.918671][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 519.918676][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 519.918681][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 519.918686][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 519.918690][ 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) 
[ 519.918694][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 519.918698][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 519.918702][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 519.918706][ C1] ? ip_fast_csum (lib/checksum.c:99) 
[ 519.918710][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 519.918715][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 519.918718][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 519.918722][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 519.918727][ C1] ? __pfx___alloc_skb (net/core/skbuff.c:643) 
[ 519.918731][ C1] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) 
[ 519.918734][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 519.918737][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 519.918740][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 519.918744][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 519.918749][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 519.918752][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 519.918756][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 519.918762][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 519.918767][ C1] ? call_timer_fn (kernel/time/timer.c:1794) 
[ 519.918771][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 519.918775][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 519.918779][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 519.918783][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 519.918790][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 519.918794][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 519.918798][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 519.918803][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 519.918807][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 519.918810][ 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) 
[ 519.918813][ C1] ? spin_bug (kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 519.918816][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 519.918821][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 519.918826][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 519.918829][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 519.918831][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  519.918835][    C1]  </IRQ>
[  519.918836][    C1]  <TASK>
[ 519.918837][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 519.918841][ C1] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 519.918845][ C1] Code: 74 24 10 e8 21 34 75 fd 48 89 ef e8 99 86 75 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> ba 8e 69 fd 65 8b 05 63 28 b3 02 85 c0 74 0e 5b 5d e9 c8 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	21 34 75 fd 48 89 ef 	and    %esi,-0x1076b703(,%rsi,2)
   b:	e8 99 86 75 fd       	call   0xfffffffffd7586a9
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 ba 8e 69 fd       	call   0xfffffffffd698ee9		<-- trapping instruction
  2f:	65 8b 05 63 28 b3 02 	mov    %gs:0x2b32863(%rip),%eax        # 0x2b32899
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	c8                   	.byte 0xc8
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 ba 8e 69 fd       	call   0xfffffffffd698ebf
   5:	65 8b 05 63 28 b3 02 	mov    %gs:0x2b32863(%rip),%eax        # 0x2b3286f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	c8                   	.byte 0xc8
  14:	34 00                	xor    $0x0,%al
[  519.918848][    C1] RSP: 0018:ffffc900012e78b8 EFLAGS: 00000206
[  519.918851][    C1] RAX: 0000000000000046 RBX: 0000000000000200 RCX: ffffffff970399df
[  519.918853][    C1] RDX: 0000000000000000 RSI: ffffffff99a51220 RDI: 0000000000000001
[  519.918855][    C1] RBP: ffffffff9d146d98 R08: 0000000000000000 R09: 0000000000000000
[  519.918857][    C1] R10: ffffffff9b241797 R11: ffffffff9d146d98 R12: 0000000000000001
[  519.918859][    C1] R13: ffff888008f53b58 R14: dffffc0000000000 R15: 1ffff9200025cf1e
[ 519.918863][ C1] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:587 ./include/linux/cpumask.h:1143 ./include/trace/events/preemptirq.h:40) 
[ 519.918868][ C1] debug_object_active_state (lib/debugobjects.c:1056) 
[ 519.918873][ C1] ? __pfx_debug_object_active_state (lib/debugobjects.c:1035) 
[ 519.918878][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 519.918881][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 519.918885][ C1] ? __pfx_free_object_rcu (mm/kmemleak.c:524) 
[ 519.918893][ C1] __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3067) 
[ 519.918899][ C1] kfree (./include/linux/kmemleak.h:49 mm/slub.c:2305 mm/slub.c:4642 mm/slub.c:4841) 
[ 519.918905][ C1] ? fuse_readpages_end (fs/fuse/file.c:937) 
[ 519.918911][ C1] fuse_readpages_end (fs/fuse/file.c:937) 
[ 519.918915][ C1] ? __pfx_fuse_readpages_end (fs/fuse/file.c:935) 
[ 519.918919][ C1] fuse_request_end (fs/fuse/dev.c:486) 
[ 519.918926][ C1] virtio_fs_request_complete (./include/linux/spinlock.h:351 fs/fuse/virtio_fs.c:799) 
[ 519.918931][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 519.918936][ C1] virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:851) 
[ 519.918940][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 519.918944][ C1] ? __pfx_virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:814) 
[ 519.918950][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 519.918954][ C1] process_one_work (kernel/workqueue.c:3238) 
[ 519.918963][ C1] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 519.918969][ C1] ? assign_work (kernel/workqueue.c:1200) 
[ 519.918973][ C1] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 519.918979][ C1] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 519.918983][ C1] kthread (kernel/kthread.c:464) 
[ 519.918987][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 519.918990][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 519.918995][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 519.918999][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 519.919003][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 519.919006][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 519.919010][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 519.919013][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  521.635063][    C2] INFO: lockdep is turned off.
| [  521.635271][    C2] Preemption disabled at:
| [ 521.635273][ C2] __slab_alloc.constprop.0 (mm/slub.c:3945) 
| [  521.635697][    C2] Tainted: [W]=WARN
[  521.635698][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  521.635701][    C2] Call Trace:
[  521.635703][    C2]  <IRQ>
[ 521.635705][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 521.635713][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 521.635718][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 521.635723][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 521.635726][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 521.635732][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 521.635738][ 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) 
[ 521.635743][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 521.635746][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 521.635750][ 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) 
[ 521.635754][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 521.635758][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 521.635764][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 521.635767][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 521.635771][ C2] ? call_timer_fn (kernel/time/timer.c:1790) 
[ 521.635777][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 521.635780][ C2] ? handle_softirqs (kernel/softirq.c:579) 
[ 521.635784][ C2] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 521.635786][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 521.635788][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 521.635793][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 521.635797][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 521.635802][ C2] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 521.635805][ C2] ? ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 521.635807][ C2] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 521.635810][ C2] ? __kmalloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:4339) 
[ 521.635814][ C2] ? load_elf_phdrs (./include/linux/slab.h:909 (discriminator 2) fs/binfmt_elf.c:532 (discriminator 2)) 
[ 521.635820][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 521.635825][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 521.635830][ C2] __put_net (net/core/net_namespace.c:732) 
[ 521.635835][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 521.635839][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 521.635844][ C2] call_timer_fn (kernel/time/timer.c:1790) 
[ 521.635847][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 521.635850][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 521.635854][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 521.635856][ C2] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 521.635863][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 521.635868][ C2] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 521.635871][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 521.635876][ C2] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 521.635880][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 521.635883][ C2] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 521.635887][ 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) 
[ 521.635890][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 521.635893][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 521.635897][ C2] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 521.635902][ C2] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 521.635905][ C2] run_timer_softirq (kernel/time/timer.c:2446) 
[ 521.635909][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 521.635914][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 521.635916][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 521.635919][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  521.635923][    C2]  </IRQ>
[  521.635924][    C2]  <TASK>
[ 521.635925][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 521.635928][ C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 521.635932][ C2] Code: 74 24 10 e8 21 34 75 fd 48 89 ef e8 99 86 75 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> ba 8e 69 fd 65 8b 05 63 28 b3 02 85 c0 74 0e 5b 5d e9 c8 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	21 34 75 fd 48 89 ef 	and    %esi,-0x1076b703(,%rsi,2)
   b:	e8 99 86 75 fd       	call   0xfffffffffd7586a9
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 ba 8e 69 fd       	call   0xfffffffffd698ee9		<-- trapping instruction
  2f:	65 8b 05 63 28 b3 02 	mov    %gs:0x2b32863(%rip),%eax        # 0x2b32899
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	c8                   	.byte 0xc8
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 ba 8e 69 fd       	call   0xfffffffffd698ebf
   5:	65 8b 05 63 28 b3 02 	mov    %gs:0x2b32863(%rip),%eax        # 0x2b3286f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	c8                   	.byte 0xc8
  14:	34 00                	xor    $0x0,%al
[  521.635935][    C2] RSP: 0018:ffffc900017c7a08 EFLAGS: 00000206
[  521.635939][    C2] RAX: 0000000000000046 RBX: 0000000000000200 RCX: ffffffff970399df
[  521.635941][    C2] RDX: 0000000000000000 RSI: ffffffff99a51220 RDI: 0000000000000001
[  521.635943][    C2] RBP: ffff888001040e00 R08: 0000000000000000 R09: 0000000000000000
[  521.635944][    C2] R10: ffffffff9b241797 R11: 03010102464c457f R12: ffff888001040e00
[  521.635946][    C2] R13: ffffea0000642600 R14: ffff8880010430c0 R15: ffff88801909e400
[ 521.635950][ C2] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:587 ./include/linux/cpumask.h:1143 ./include/trace/events/preemptirq.h:40) 
[ 521.635957][ C2] get_partial_node.part.0 (mm/slub.c:2902) 
[ 521.635962][ C2] ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 521.635966][ C2] ? load_elf_phdrs (./include/linux/slab.h:909 (discriminator 2) fs/binfmt_elf.c:532 (discriminator 2)) 
[ 521.635970][ C2] ? load_elf_phdrs (./include/linux/slab.h:909 (discriminator 2) fs/binfmt_elf.c:532 (discriminator 2)) 
[ 521.635974][ C2] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 521.635978][ C2] ? load_elf_phdrs (./include/linux/slab.h:909 (discriminator 2) fs/binfmt_elf.c:532 (discriminator 2)) 
[ 521.635981][ C2] __kmalloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:4339) 
[ 521.635984][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 521.635988][ C2] load_elf_phdrs (./include/linux/slab.h:909 (discriminator 2) fs/binfmt_elf.c:532 (discriminator 2)) 
[ 521.635991][ C2] ? __pfx_load_elf_phdrs (fs/binfmt_elf.c:514) 
[ 521.635995][ C2] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 21)) 
[ 521.635998][ C2] ? __kmalloc_cache_noprof (mm/slub.c:4360) 
[ 521.636002][ C2] load_elf_binary (fs/binfmt_elf.c:961) 
[ 521.636007][ C2] ? __pfx___kernel_read (fs/read_write.c:505) 
[ 521.636014][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 521.636017][ C2] ? load_misc_binary (fs/binfmt_misc.c:215) 
[ 521.636021][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 521.636024][ C2] ? __pfx_load_elf_binary (fs/binfmt_elf.c:825) 
[ 521.636027][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 521.636031][ C2] ? exec_binprm (fs/exec.c:1778 fs/exec.c:1810) 
[ 521.636034][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 521.636039][ C2] exec_binprm (fs/exec.c:1780 fs/exec.c:1810) 
[ 521.636044][ C2] ? __pfx_exec_binprm (fs/exec.c:1794) 
[ 521.636047][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 521.636052][ C2] bprm_execve (fs/exec.c:1862 fs/exec.c:1838) 
[ 521.636055][ C2] do_execveat_common.isra.0 (fs/exec.c:1968) 
[ 521.636059][ C2] __x64_sys_execve (fs/exec.c:2113) 
[ 521.636063][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 521.636067][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  521.636070][    C2] RIP: 0033:0x7fa30f3cc40b
[ 521.636074][ C2] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48
All code
========
   0:	c0 75 03 5f          	shlb   $0x5f,0x3(%rbp)
   4:	ff e7                	jmp    *%rdi
   6:	c3                   	ret
   7:	48 8b 0d f1 a9 1b 00 	mov    0x1ba9f1(%rip),%rcx        # 0x1ba9ff
   e:	f7 d8                	neg    %eax
  10:	64 89 01             	mov    %eax,%fs:(%rcx)
  13:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  17:	c3                   	ret
  18:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 3b 00 00 00       	mov    $0x3b,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9ff
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9d5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  521.636077][    C2] RSP: 002b:00007ffe9370cfb8 EFLAGS: 00000247 ORIG_RAX: 000000000000003b
[  521.636080][    C2] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa30f3cc40b
[  521.636082][    C2] RDX: 00007ffe9370d488 RSI: 00007ffe9370d408 RDI: 00007ffe9370cfc0
[  521.636084][    C2] RBP: 00007ffe9370d0d0 R08: 0000000000000fff R09: 00007ffe9370fe82
[  521.636085][    C2] R10: 00007fa30f39e700 R11: 0000000000000247 R12: 00007ffe9370d408
[  521.636087][    C2] R13: 00007ffe9370d488 R14: 00007ffe9370f70c R15: 00007ffe9370fe7d
| [  533.923212][    C0] INFO: lockdep is turned off.
| [  533.923410][    C0] Preemption disabled at:
| [ 533.923412][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [  533.923872][    C0] Tainted: [W]=WARN
[  533.923874][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  533.923876][    C0] Call Trace:
[  533.923878][    C0]  <IRQ>
[ 533.923880][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 533.923888][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 533.923894][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 533.923898][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 533.923901][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 533.923906][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 533.923912][ 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) 
[ 533.923918][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 533.923921][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 533.923926][ 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) 
[ 533.923931][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 533.923934][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 533.923939][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 533.923942][ C0] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 533.923946][ C0] ? call_timer_fn (kernel/time/timer.c:1790) 
[ 533.923952][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 533.923955][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 533.923959][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 533.923961][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 533.923963][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 533.923968][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 533.923973][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 533.923975][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 533.923979][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 533.923982][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 533.923987][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 533.923990][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 533.923993][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 533.923999][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 533.924005][ C0] __put_net (net/core/net_namespace.c:732) 
[ 533.924010][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 533.924013][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 533.924018][ C0] call_timer_fn (kernel/time/timer.c:1790) 
[ 533.924021][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 533.924024][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 533.924027][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 533.924030][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 533.924036][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 533.924040][ C0] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 533.924044][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 533.924049][ C0] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 533.924052][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 533.924057][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 533.924061][ 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) 
[ 533.924065][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 533.924068][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 533.924071][ C0] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 533.924076][ C0] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 533.924080][ C0] run_timer_softirq (kernel/time/timer.c:2446) 
[ 533.924083][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 533.924087][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 533.924090][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 533.924092][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  533.924096][    C0]  </IRQ>
[  533.924097][    C0]  <TASK>
[ 533.924098][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 533.924101][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 533.924105][ C0] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  533.924107][    C0] RSP: 0018:ffffffff9a407df8 EFLAGS: 00000246
[  533.924112][    C0] RAX: 0000000000000000 RBX: 1ffffffff3480fc3 RCX: ffffffff9966aa19
[  533.924114][    C0] RDX: ffffed1006c0667b RSI: ffffffff99a51220 RDI: ffffffff96d8933f
[  533.924116][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c0667a
[  533.924117][    C0] R10: ffff8880360333d3 R11: ffff888036027f4c R12: 0000000000000000
[  533.924119][    C0] R13: ffffffff9a443240 R14: dffffc0000000000 R15: 0000000000014770
[ 533.924124][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 533.924127][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 533.924131][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 533.924134][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 533.924137][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 533.924141][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 533.924145][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 533.924151][ C0] do_idle (kernel/sched/idle.c:325) 
[ 533.924155][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 533.924158][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 533.924162][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 533.924168][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 533.924173][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 533.924177][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  549.551933][    C1] INFO: lockdep is turned off.
| [  549.552158][    C1] Preemption disabled at:
| [ 549.552160][ C1] 0x0 
| [  549.552557][    C1] Tainted: [W]=WARN
[  549.552559][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  549.552561][    C1] Workqueue: events virtio_fs_requests_done_work
[  549.552571][    C1] Call Trace:
[  549.552573][    C1]  <IRQ>
[ 549.552576][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 549.552584][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 549.552590][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 549.552595][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 549.552598][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 549.552603][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 549.552609][ 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) 
[ 549.552614][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 549.552617][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 549.552621][ 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) 
[ 549.552626][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 549.552629][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 549.552634][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 549.552637][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 549.552642][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 549.552647][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 549.552650][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 549.552656][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 549.552659][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 549.552662][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 549.552667][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 549.552670][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 549.552674][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 549.552677][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 549.552680][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 549.552683][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 549.552685][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 549.552690][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 549.552696][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 549.552701][ C1] __put_net (net/core/net_namespace.c:732) 
[ 549.552706][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 549.552711][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 549.552717][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 549.552720][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 549.552725][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 549.552729][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 549.552734][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 549.552739][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 549.552742][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 549.552746][ C1] ? call_timer_fn (kernel/time/timer.c:1794) 
[ 549.552751][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 549.552754][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 549.552758][ C1] ? ip_fast_csum (lib/checksum.c:99) 
[ 549.552763][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 549.552768][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 549.552772][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 549.552775][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 549.552779][ C1] ? __run_timers (kernel/time/timer.c:1837 kernel/time/timer.c:2414) 
[ 549.552782][ 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) 
[ 549.552786][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 549.552789][ C1] ? tmigr_update_events (kernel/time/timer_migration.c:863) 
[ 549.552793][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 549.552797][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 549.552800][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 549.552804][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 549.552808][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 549.552812][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 549.552816][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 549.552820][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 549.552824][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 549.552828][ C1] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 549.552832][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 549.552836][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 549.552840][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 549.552847][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 549.552851][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 549.552855][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 549.552859][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 549.552863][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 549.552866][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 549.552869][ C1] ? ktime_get (kernel/time/timekeeping.c:251 (discriminator 4) kernel/time/timekeeping.c:360 (discriminator 4) kernel/time/timekeeping.c:778 (discriminator 4)) 
[ 549.552874][ C1] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 549.552880][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 549.552884][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 549.552887][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 549.552889][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  549.552893][    C1]  </IRQ>
[  549.552894][    C1]  <TASK>
[ 549.552895][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 549.552899][ C1] RIP: 0010:debug_smp_processor_id (lib/smp_processor_id.c:59) 
[ 549.552903][ C1] Code: 83 b8 d8 03 00 00 01 0f 85 67 ff ff ff e9 36 ff ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 c7 c6 20 12 a5 99 48 c7 c7 60 12 a5 99 e9 e9 fe ff
All code
========
   0:	83 b8 d8 03 00 00 01 	cmpl   $0x1,0x3d8(%rax)
   7:	0f 85 67 ff ff ff    	jne    0xffffffffffffff74
   d:	e9 36 ff ff ff       	jmp    0xffffffffffffff48
  12:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
  19:	00 
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	90                   	nop
  26:	90                   	nop
  27:	90                   	nop
  28:	90                   	nop
  29:	90                   	nop
  2a:*	f3 0f 1e fa          	endbr64		<-- trapping instruction
  2e:	48 c7 c6 20 12 a5 99 	mov    $0xffffffff99a51220,%rsi
  35:	48 c7 c7 60 12 a5 99 	mov    $0xffffffff99a51260,%rdi
  3c:	e9                   	.byte 0xe9
  3d:	e9                   	.byte 0xe9
  3e:	fe                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	f3 0f 1e fa          	endbr64
   4:	48 c7 c6 20 12 a5 99 	mov    $0xffffffff99a51220,%rsi
   b:	48 c7 c7 60 12 a5 99 	mov    $0xffffffff99a51260,%rdi
  12:	e9                   	.byte 0xe9
  13:	e9                   	.byte 0xe9
  14:	fe                   	(bad)
  15:	ff                   	.byte 0xff
[  549.552905][    C1] RSP: 0018:ffffc900012e7598 EFLAGS: 00000283
[  549.552909][    C1] RAX: 0000000000000001 RBX: 1ffff9200025cec6 RCX: 0000000000000001
[  549.552911][    C1] RDX: ffffc900012e8000 RSI: ffffffff96c0f79e RDI: ffffffff9a798ae0
[  549.552913][    C1] RBP: ffffffff9a798ae0 R08: 0000000000000000 R09: ffffc900012e7729
[  549.552914][    C1] R10: ffffffff96c0f3f7 R11: ffffc900012e7728 R12: ffffffff96c0f79e
[  549.552916][    C1] R13: ffffc900012e76e8 R14: ffffc900012e0000 R15: ffffc900012e7a30
[ 549.552919][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 549.552923][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 549.552927][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 549.552932][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 549.552935][ C1] rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 549.552938][ C1] trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 549.552942][ C1] lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 549.552946][ C1] unwind_next_frame (./include/linux/rcupdate.h:873 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 549.552949][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 549.552955][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 549.552959][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 549.552964][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 549.552967][ C1] ? kernel_text_address (kernel/extable.c:99) 
[ 549.552973][ C1] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 549.552978][ C1] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 549.552985][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 549.552989][ C1] stack_trace_save (kernel/stacktrace.c:123) 
[ 549.552992][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 549.552995][ C1] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 549.553000][ C1] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 549.553003][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 549.553006][ C1] kasan_save_stack (mm/kasan/common.c:48) 
[ 549.553010][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 549.553012][ C1] ? virtqueue_get_buf_ctx_split (drivers/virtio/virtio_ring.c:854) 
[ 549.553020][ C1] ? virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:829) 
[ 549.553023][ C1] ? process_one_work (kernel/workqueue.c:3238) 
[ 549.553027][ C1] ? worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 549.553030][ C1] ? kthread (kernel/kthread.c:464) 
[ 549.553034][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 549.553039][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 549.553043][ 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) 
[ 549.553047][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 549.553050][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 549.553054][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 549.553057][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 549.553060][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 549.553064][ C1] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 549.553071][ C1] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 549.553075][ C1] ? trace_rcu_segcb_stats (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736 ./include/trace/events/rcu.h:537) 
[ 549.553079][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 549.553082][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 549.553086][ C1] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 549.553089][ C1] kasan_save_free_info (mm/kasan/generic.c:579) 
[ 549.553093][ C1] __kasan_slab_free (mm/kasan/common.c:271) 
[ 549.553096][ C1] kfree (mm/slub.c:4642 mm/slub.c:4841) 
[ 549.553102][ C1] ? detach_buf_split (drivers/virtio/virtio_ring.c:799) 
[ 549.553106][ C1] detach_buf_split (drivers/virtio/virtio_ring.c:799) 
[ 549.553111][ C1] virtqueue_get_buf_ctx_split (drivers/virtio/virtio_ring.c:854) 
[ 549.553116][ C1] virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:829) 
[ 549.553121][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 549.553125][ C1] ? __pfx_virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:814) 
[ 549.553130][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 549.553135][ C1] process_one_work (kernel/workqueue.c:3238) 
[ 549.553141][ C1] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 549.553147][ C1] ? assign_work (kernel/workqueue.c:1200) 
[ 549.553151][ C1] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 549.553157][ C1] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 549.553161][ C1] kthread (kernel/kthread.c:464) 
[ 549.553164][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 549.553167][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 549.553170][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 549.553174][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 549.553178][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 549.553181][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 549.553185][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 549.553188][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  664.996026][    C1] INFO: lockdep is turned off.
| [  664.996215][    C1] Preemption disabled at:
| [ 664.996217][ C1] 0x0 
| [  664.996553][    C1] Tainted: [W]=WARN
[  664.996554][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  664.996557][    C1] Call Trace:
[  664.996559][    C1]  <IRQ>
[ 664.996561][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 664.996571][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 664.996577][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 664.996582][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 664.996585][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 664.996590][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 664.996596][ 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) 
[ 664.996601][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 664.996603][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 664.996608][ 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) 
[ 664.996612][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 664.996616][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 664.996621][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 664.996624][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 664.996629][ C1] ? call_timer_fn (kernel/time/timer.c:1790) 
[ 664.996634][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 664.996637][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 664.996641][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 664.996643][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 664.996645][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 664.996650][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 664.996654][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 664.996656][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 664.996660][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 664.996662][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 664.996667][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 664.996670][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 664.996674][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 664.996679][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 664.996685][ C1] __put_net (net/core/net_namespace.c:732) 
[ 664.996690][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 664.996694][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 664.996698][ C1] call_timer_fn (kernel/time/timer.c:1790) 
[ 664.996701][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 664.996704][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 664.996707][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 664.996710][ C1] ? perf_event_task_tick (kernel/events/core.c:4455) 
[ 664.996719][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 664.996724][ C1] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 664.996727][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 664.996732][ C1] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 664.996736][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 664.996740][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 664.996744][ 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) 
[ 664.996747][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 664.996750][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 664.996753][ C1] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 664.996761][ C1] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 664.996765][ C1] run_timer_softirq (kernel/time/timer.c:2446) 
[ 664.996768][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 664.996773][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 664.996776][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 664.996778][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  664.996782][    C1]  </IRQ>
[  664.996783][    C1]  <TASK>
[ 664.996784][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 664.996787][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 664.996791][ C1] Code: c0 ca 00 e9 c3 57 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 85 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	c0 ca 00             	ror    $0x0,%dl
   3:	e9 c3 57 02 00       	jmp    0x257cb
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d c3 85 22 00 	verw   0x2285c3(%rip)        # 0x2285eb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  664.996793][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  664.996797][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff9966aa19
[  664.996799][    C1] RDX: ffffed1006c1667b RSI: ffffffff99a51220 RDI: ffffffff96d8933f
[  664.996802][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[  664.996803][    C1] R10: ffff8880360b33d3 R11: ffff88800984a858 R12: 0000000000000000
[  664.996805][    C1] R13: ffff888001bf8040 R14: dffffc0000000000 R15: 0000000000000000
[ 664.996809][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 664.996812][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 664.996817][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 664.996820][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 664.996822][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 664.996826][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 664.996830][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 664.996837][ C1] do_idle (kernel/sched/idle.c:325) 
[ 664.996841][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 664.996844][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 664.996848][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 664.996853][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1641.359150][    C1] INFO: lockdep is turned off.
| [ 1641.359350][    C1] Preemption disabled at:
| [ 1641.359352][ C1] __dev_queue_xmit (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:894 net/core/dev.c:4638) 
| [ 1641.359783][    C1] Tainted: [W]=WARN
[ 1641.359785][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1641.359787][    C1] Workqueue: events mptcp_worker
[ 1641.359793][    C1] Call Trace:
[ 1641.359795][    C1]  <IRQ>
[ 1641.359797][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1641.359808][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 1641.359814][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1641.359820][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1641.359823][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 1641.359828][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.359834][ 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) 
[ 1641.359840][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 1641.359843][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1641.359848][ 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) 
[ 1641.359852][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1641.359856][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 1641.359861][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1641.359864][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1641.359868][ C1] ? ip_rcv_core (./include/linux/skbuff.h:3306 net/ipv4/ip_input.c:538) 
[ 1641.359873][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1641.359876][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1641.359880][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1641.359883][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1641.359886][ C1] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1641.359889][ C1] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1641.359891][ C1] ? __dev_queue_xmit (net/core/dev.c:4741) 
[ 1641.359894][ C1] ? ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1641.359897][ C1] ? ip_output (./include/linux/netfilter.h:306 net/ipv4/ip_output.c:433) 
[ 1641.359900][ C1] ? __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1641.359903][ C1] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1641.359906][ C1] ? tcp_write_xmit (net/ipv4/tcp_output.c:2838) 
[ 1641.359909][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1641.359914][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.359919][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1641.359924][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1641.359929][ C1] ip_rcv_core (./include/linux/skbuff.h:3306 net/ipv4/ip_input.c:538) 
[ 1641.359933][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1641.359936][ C1] ip_rcv (net/ipv4/ip_input.c:563) 
[ 1641.359940][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1641.359943][ C1] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 1641.359948][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 1641.359951][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 1641.359954][ C1] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 1641.359958][ C1] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 1641.359961][ C1] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 1641.359965][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 1641.359969][ C1] ? rcu_core (kernel/rcu/tree.c:2826) 
[ 1641.359972][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1641.359974][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1641.359976][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1641.359978][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 1641.359986][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1641.359989][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1641.359992][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1641.359996][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1641.360001][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.360004][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1641.360008][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1641.360013][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1641.360018][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.360022][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1641.360025][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.360030][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1641.360036][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1641.360041][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1641.360045][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 1641.360048][ C1] ? ktime_get (kernel/time/timekeeping.c:251 (discriminator 4) kernel/time/timekeeping.c:360 (discriminator 4) kernel/time/timekeeping.c:778 (discriminator 4)) 
[ 1641.360052][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:1900) 
[ 1641.360056][ C1] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 1641.360062][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 1641.360065][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 1641.360069][ C1] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1641.360071][    C1]  </IRQ>
[ 1641.360072][    C1]  <TASK>
[ 1641.360074][ C1] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1641.360076][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 1641.360079][ C1] __dev_queue_xmit (net/core/dev.c:4741) 
[ 1641.360083][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1641.360086][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1641.360090][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 1641.360095][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.360099][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4621) 
[ 1641.360103][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.360107][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1641.360110][ C1] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 1641.360113][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1641.360118][ C1] ? ip_finish_output2 (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 net/ipv4/ip_output.c:228) 
[ 1641.360121][ C1] ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1641.360124][ C1] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499 ./include/net/ip.h:512) 
[ 1641.360127][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.360130][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1641.360133][ C1] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 1641.360136][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1641.360140][ C1] ? __ip_finish_output (./include/linux/skbuff.h:1677 ./include/linux/skbuff.h:5059 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 1641.360144][ C1] ip_output (./include/linux/netfilter.h:306 net/ipv4/ip_output.c:433) 
[ 1641.360146][ C1] ? __ip_local_out (./include/linux/skbuff.h:1156 net/ipv4/ip_output.c:119) 
[ 1641.360149][ C1] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 1641.360152][ C1] ? ipv4_dst_check (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/route.c:401 net/ipv4/route.c:1213) 
[ 1641.360155][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.360158][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1641.360163][ C1] __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1641.360167][ C1] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1567 (discriminator 4)) 
[ 1641.360171][ C1] __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1641.360177][ C1] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1300) 
[ 1641.360179][ C1] ? __pfx_mptcp_established_options (net/mptcp/options.c:832) 
[ 1641.360185][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.360189][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1641.360193][ C1] tcp_write_xmit (net/ipv4/tcp_output.c:2838) 
[ 1641.360198][ C1] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1873) 
[ 1641.360202][ C1] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2747) 
[ 1641.360205][ C1] ? inet_sk_state_store (net/ipv4/af_inet.c:1353) 
[ 1641.360208][ C1] ? tcp_set_state (net/ipv4/tcp.c:2926 (discriminator 53)) 
[ 1641.360212][ C1] ? __pfx_tcp_set_state (net/ipv4/tcp.c:2926) 
[ 1641.360216][ C1] __tcp_push_pending_frames (net/ipv4/tcp_output.c:3021) 
[ 1641.360220][ C1] __tcp_close (net/ipv4/tcp.c:3186) 
[ 1641.360223][ C1] ? __mptcp_close_ssk (net/mptcp/protocol.c:2370) 
[ 1641.360227][ C1] ? __mptcp_close_ssk (net/mptcp/protocol.c:2370) 
[ 1641.360230][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1641.360234][ C1] __mptcp_close_ssk (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:455 ./include/linux/refcount.h:476 ./include/net/sock.h:814 net/mptcp/protocol.c:2401) 
[ 1641.360238][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1641.360241][ C1] ? __pfx___mptcp_close_ssk (net/mptcp/protocol.c:2345) 
[ 1641.360246][ C1] mptcp_destroy_common (net/mptcp/protocol.c:3297) 
[ 1641.360250][ C1] mptcp_destroy (./include/net/sock.h:1414 (discriminator 3) net/mptcp/protocol.c:3317 (discriminator 3)) 
[ 1641.360253][ C1] __mptcp_destroy_sock (net/mptcp/protocol.c:2950) 
[ 1641.360257][ C1] mptcp_worker (net/mptcp/protocol.c:2702) 
[ 1641.360259][ C1] ? __pfx_debug_object_deactivate (lib/debugobjects.c:862) 
[ 1641.360264][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.360268][ C1] ? __pfx_mptcp_worker (net/mptcp/protocol.c:2673) 
[ 1641.360271][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.360275][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.360279][ C1] process_one_work (kernel/workqueue.c:3238) 
[ 1641.360286][ C1] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 1641.360292][ C1] ? assign_work (kernel/workqueue.c:1200) 
[ 1641.360296][ C1] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 1641.360300][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1641.360304][ C1] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 1641.360308][ C1] kthread (kernel/kthread.c:464) 
[ 1641.360312][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1641.360315][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1641.360318][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1641.360321][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1641.360325][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 1641.360329][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1641.360332][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1682.083064][    C0] INFO: lockdep is turned off.
| [ 1682.083278][    C0] Preemption disabled at:
| [ 1682.083279][ C0] __dev_queue_xmit (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:894 net/core/dev.c:4638) 
| [ 1682.083705][    C0] Tainted: [W]=WARN
[ 1682.083707][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1682.083709][    C0] Workqueue: events mptcp_worker
[ 1682.083715][    C0] Call Trace:
[ 1682.083717][    C0]  <IRQ>
[ 1682.083719][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1682.083727][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 1682.083734][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1682.083739][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1682.083742][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 1682.083747][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.083753][ 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) 
[ 1682.083761][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 1682.083764][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1682.083768][ 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) 
[ 1682.083773][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1682.083776][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 1682.083781][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1682.083784][ C0] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1682.083788][ C0] ? ip_rcv_core (./include/linux/skbuff.h:3306 net/ipv4/ip_input.c:538) 
[ 1682.083794][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1682.083797][ C0] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1682.083800][ C0] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1682.083803][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 1682.083807][ C0] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1682.083809][ C0] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1682.083812][ C0] ? __dev_queue_xmit (net/core/dev.c:4741) 
[ 1682.083815][ C0] ? ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1682.083818][ C0] ? ip_output (./include/linux/netfilter.h:306 net/ipv4/ip_output.c:433) 
[ 1682.083821][ C0] ? __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1682.083823][ C0] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1682.083827][ C0] ? tcp_write_xmit (net/ipv4/tcp_output.c:2838) 
[ 1682.083829][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1682.083835][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.083840][ C0] __put_net (net/core/net_namespace.c:732) 
[ 1682.083845][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1682.083849][ C0] ip_rcv_core (./include/linux/skbuff.h:3306 net/ipv4/ip_input.c:538) 
[ 1682.083852][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1682.083859][ C0] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1682.083862][ C0] ip_rcv (net/ipv4/ip_input.c:563) 
[ 1682.083866][ C0] ? __pfx_debug_object_activate (lib/debugobjects.c:805) 
[ 1682.083871][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1682.083876][ C0] ? switch_hrtimer_base (kernel/time/hrtimer.c:232 kernel/time/hrtimer.c:258) 
[ 1682.083881][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1682.083885][ C0] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1682.083888][ C0] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1682.083892][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1682.083896][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.083900][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1682.083904][ C0] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1682.083908][ C0] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1682.083913][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.083917][ C0] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1682.083920][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.083924][ C0] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1682.083931][ C0] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1682.083934][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1682.083940][ C0] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12187) 
[ 1682.083944][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 1682.083951][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 1682.083954][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 1682.083958][ C0] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1682.083960][    C0]  </IRQ>
[ 1682.083962][    C0]  <TASK>
[ 1682.083963][ C0] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1682.083965][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 1682.083968][ C0] __dev_queue_xmit (net/core/dev.c:4741) 
[ 1682.083971][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1682.083975][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1682.083980][ C0] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 1682.083985][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.083989][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4621) 
[ 1682.083994][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.083997][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1682.084001][ C0] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 1682.084004][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1682.084009][ C0] ? ip_finish_output2 (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 net/ipv4/ip_output.c:228) 
[ 1682.084012][ C0] ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1682.084015][ C0] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499 ./include/net/ip.h:512) 
[ 1682.084017][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.084021][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1682.084024][ C0] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 1682.084027][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1682.084031][ C0] ? __ip_finish_output (./include/linux/skbuff.h:1677 ./include/linux/skbuff.h:5059 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 1682.084034][ C0] ip_output (./include/linux/netfilter.h:306 net/ipv4/ip_output.c:433) 
[ 1682.084037][ C0] ? __ip_local_out (./include/linux/skbuff.h:1156 net/ipv4/ip_output.c:119) 
[ 1682.084040][ C0] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 1682.084043][ C0] ? ipv4_dst_check (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/route.c:401 net/ipv4/route.c:1213) 
[ 1682.084045][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.084049][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1682.084054][ C0] __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1682.084057][ C0] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1567 (discriminator 4)) 
[ 1682.084062][ C0] __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1682.084068][ C0] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1300) 
[ 1682.084071][ C0] ? __pfx_mptcp_established_options (net/mptcp/options.c:832) 
[ 1682.084078][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.084082][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1682.084086][ C0] tcp_write_xmit (net/ipv4/tcp_output.c:2838) 
[ 1682.084092][ C0] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1873) 
[ 1682.084095][ C0] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2747) 
[ 1682.084098][ C0] ? inet_sk_state_store (net/ipv4/af_inet.c:1353) 
[ 1682.084102][ C0] ? tcp_set_state (net/ipv4/tcp.c:2926 (discriminator 53)) 
[ 1682.084106][ C0] ? __pfx_tcp_set_state (net/ipv4/tcp.c:2926) 
[ 1682.084111][ C0] __tcp_push_pending_frames (net/ipv4/tcp_output.c:3021) 
[ 1682.084114][ C0] __tcp_close (net/ipv4/tcp.c:3186) 
[ 1682.084118][ C0] ? __mptcp_close_ssk (net/mptcp/protocol.c:2370) 
[ 1682.084122][ C0] ? __mptcp_close_ssk (net/mptcp/protocol.c:2370) 
[ 1682.084126][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1682.084129][ C0] __mptcp_close_ssk (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:455 ./include/linux/refcount.h:476 ./include/net/sock.h:814 net/mptcp/protocol.c:2401) 
[ 1682.084134][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1682.084137][ C0] ? __pfx___mptcp_close_ssk (net/mptcp/protocol.c:2345) 
[ 1682.084142][ C0] mptcp_destroy_common (net/mptcp/protocol.c:3297) 
[ 1682.084146][ C0] mptcp_destroy (./include/net/sock.h:1414 (discriminator 3) net/mptcp/protocol.c:3317 (discriminator 3)) 
[ 1682.084149][ C0] __mptcp_destroy_sock (net/mptcp/protocol.c:2950) 
[ 1682.084153][ C0] mptcp_worker (net/mptcp/protocol.c:2702) 
[ 1682.084156][ C0] ? __pfx_debug_object_deactivate (lib/debugobjects.c:862) 
[ 1682.084159][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.084163][ C0] ? __pfx_mptcp_worker (net/mptcp/protocol.c:2673) 
[ 1682.084166][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.084170][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.084174][ C0] process_one_work (kernel/workqueue.c:3238) 
[ 1682.084182][ C0] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 1682.084187][ C0] ? assign_work (kernel/workqueue.c:1200) 
[ 1682.084191][ C0] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 1682.084195][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1682.084199][ C0] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 1682.084203][ C0] kthread (kernel/kthread.c:464) 
[ 1682.084207][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1682.084210][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1682.084213][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1682.084217][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1682.084220][ C0] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 1682.084224][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1682.084227][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1785.148454][    C1] INFO: lockdep is turned off.
| [ 1785.148671][    C1] Preemption disabled at:
| [ 1785.148672][ C1] 0x0 
| [ 1785.149063][    C1] Tainted: [W]=WARN
[ 1785.149064][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1785.149067][    C1] Call Trace:
[ 1785.149068][    C1]  <IRQ>
[ 1785.149071][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1785.149080][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 1785.149086][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1785.149091][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1785.149094][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 1785.149099][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1785.149106][ 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) 
[ 1785.149111][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 1785.149114][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1785.149119][ 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) 
[ 1785.149124][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1785.149127][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 1785.149132][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1785.149135][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1785.149140][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2372) 
[ 1785.149146][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1785.149149][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 1785.149154][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1785.149159][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1785.149162][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1785.149166][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1785.149169][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1785.149173][ C1] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1785.149176][ C1] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1785.149179][ C1] ? mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1785.149184][ C1] ? __mptcp_retrans (net/mptcp/protocol.c:2567) 
[ 1785.149187][ C1] ? mptcp_release_cb (net/mptcp/protocol.c:3375) 
[ 1785.149190][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1785.149195][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1785.149200][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1785.149206][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 1785.149210][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2372) 
[ 1785.149218][ C1] ? raw_v4_input (net/ipv4/raw.c:165) 
[ 1785.149221][ C1] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2188) 
[ 1785.149227][ C1] ? __inet_lookup_established (./include/net/net_namespace.h:409 ./include/net/sock.h:680 ./include/net/inet_hashtables.h:353 net/ipv4/inet_hashtables.c:516) 
[ 1785.149233][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) 
[ 1785.149238][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1785.149243][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1785.149247][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 1785.149250][ C1] ? tcp_v4_early_demux (./include/linux/skbuff.h:1188 net/ipv4/tcp_ipv4.c:2008) 
[ 1785.149254][ C1] ? trace_pelt_se_tp (./include/trace/events/sched.h:796 (discriminator 21)) 
[ 1785.149258][ C1] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349) 
[ 1785.149261][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1156 ./include/net/route.h:88 net/ipv4/ip_input.c:390) 
[ 1785.149266][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 1785.149270][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1785.149273][ C1] ? pick_eevdf (kernel/sched/fair.c:939) 
[ 1785.149277][ C1] ? enqueue_entity (kernel/sched/fair.c:5362) 
[ 1785.149280][ C1] ? update_curr (kernel/sched/fair.c:1236) 
[ 1785.149285][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1785.149288][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1785.149292][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1785.149296][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1785.149300][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1785.149303][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1785.149308][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1785.149312][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1785.149317][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1785.149321][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1785.149324][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1785.149329][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1785.149335][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1785.149340][ C1] ? tmigr_handle_remote (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/time/timer_migration.c:441 kernel/time/timer_migration.c:1074) 
[ 1785.149345][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 1785.149348][ 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) 
[ 1785.149351][ C1] ? spin_bug (kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 1785.149354][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1785.149358][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1785.149363][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 1785.149367][ C1] ? mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1785.149370][ C1] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1785.149373][    C1]  </IRQ>
[ 1785.149374][    C1]  <TASK>
[ 1785.149376][ C1] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1785.149379][ C1] mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1785.149382][ C1] ? __pfx_mptcp_send_ack (net/mptcp/protocol.c:462) 
[ 1785.149387][ C1] __mptcp_retrans (net/mptcp/protocol.c:2567) 
[ 1785.149391][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1785.149395][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1785.149399][ C1] ? __pfx___mptcp_retrans (net/mptcp/protocol.c:2545) 
[ 1785.149403][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1785.149408][ C1] ? mptcp_release_cb (net/mptcp/protocol.c:3370) 
[ 1785.149410][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1785.149413][ C1] ? mptcp_release_cb (net/mptcp/protocol.c:3370) 
[ 1785.149417][ C1] mptcp_release_cb (net/mptcp/protocol.c:3375) 
[ 1785.149419][ C1] ? do_raw_write_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qrwlock.h:98 kernel/locking/spinlock_debug.c:211) 
[ 1785.149423][ C1] ? mptcp_close_timeout (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/net/sock.h:1019 net/mptcp/ctrl.c:77) 
[ 1785.149427][ 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) 
[ 1785.149430][ C1] ? __pfx_mptcp_release_cb (net/mptcp/protocol.c:3347) 
[ 1785.149432][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1785.149435][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1785.149438][ C1] ? release_sock (net/core/sock.c:3756) 
[ 1785.149443][ C1] release_sock (net/core/sock.c:3760 (discriminator 2)) 
[ 1785.149447][ C1] mptcp_close (net/mptcp/protocol.c:3068) 
[ 1785.149450][ C1] inet_release (net/ipv4/af_inet.c:436) 
[ 1785.149454][ C1] __sock_release (net/socket.c:648) 
[ 1785.149458][ C1] sock_close (net/socket.c:1393) 
[ 1785.149461][ C1] __fput (fs/file_table.c:465) 
[ 1785.149468][ C1] task_work_run (kernel/task_work.c:227 (discriminator 1)) 
[ 1785.149473][ C1] ? __pfx_task_work_run (kernel/task_work.c:195) 
[ 1785.149477][ C1] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 1785.149482][ C1] ? refcount_dec_and_lock (lib/refcount.c:146) 
[ 1785.149487][ C1] ? do_exit (./include/linux/task_work.h:40 kernel/exit.c:953) 
[ 1785.149492][ C1] do_exit (kernel/exit.c:954) 
[ 1785.149496][ C1] do_group_exit (kernel/exit.c:1083) 
[ 1785.149500][ C1] get_signal (kernel/signal.c:701 kernel/signal.c:2912) 
[ 1785.149505][ C1] ? hrtimer_nanosleep (kernel/time/hrtimer.c:2140) 
[ 1785.149509][ C1] ? __pfx_hrtimer_nanosleep (kernel/time/hrtimer.c:2140) 
[ 1785.149512][ C1] ? __pfx_get_signal (kernel/signal.c:2800) 
[ 1785.149515][ C1] ? __pfx_hrtimer_wakeup (kernel/time/hrtimer.c:1990) 
[ 1785.149520][ C1] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) 
[ 1785.149525][ C1] ? __pfx_arch_do_signal_or_restart (arch/x86/kernel/signal.c:334) 
[ 1785.149529][ C1] ? common_nsleep (kernel/time/posix-timers.c:1364) 
[ 1785.149534][ C1] ? __x64_sys_clock_nanosleep (kernel/time/posix-timers.c:1407 kernel/time/posix-timers.c:1384 kernel/time/posix-timers.c:1384) 
[ 1785.149538][ C1] ? ksys_write (fs/read_write.c:736) 
[ 1785.149541][ C1] ? __pfx___x64_sys_clock_nanosleep (kernel/time/posix-timers.c:1384) 
[ 1785.149544][ C1] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mm.h:704 ./include/linux/mm.h:799 arch/x86/mm/fault.c:1339) 
[ 1785.149549][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1785.149553][ C1] syscall_exit_to_user_mode (kernel/entry/common.c:113 ./include/linux/entry-common.h:329 kernel/entry/common.c:207 kernel/entry/common.c:218) 
[ 1785.149558][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:113) 
[ 1785.149562][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1785.149566][    C1] RIP: 0033:0x7fd2caa3e97a
[ 1785.149569][ C1] Code: Unable to access opcode bytes at 0x7fd2caa3e950.

Code starting with the faulting instruction
===========================================
[ 1785.149570][    C1] RSP: 002b:00007ffc44b69628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
[ 1785.149574][    C1] RAX: fffffffffffffdfc RBX: 0000000000000005 RCX: 00007fd2caa3e97a
[ 1785.149577][    C1] RDX: 00007ffc44b69640 RSI: 0000000000000000 RDI: 0000000000000000
[ 1785.149579][    C1] RBP: 0000000000000014 R08: 00007fd2cab2423c R09: 00007fd2cab24260
[ 1785.149581][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc44b6b830


Finger prints:
__dev_queue_xmit:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal
schedule_preempt_disabled:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal
__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
handle_softirqs:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal