======================================
| [   22.654527][    C3] 1 lock held by swapper/3/0:
| [ 22.654715][ C3] #0: ffffffffb4175140 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2562) 
| [   22.655057][    C3]
| [   22.655057][    C3] stack backtrace:
[   22.655296][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.655298][    C3] Call Trace:
[   22.655300][    C3]  <IRQ>
[ 22.655302][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 22.655309][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 22.655313][ C3] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 22.655318][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 22.655324][ C3] ? save_trace (kernel/locking/lockdep.c:594) 
[ 22.655328][ C3] mark_lock (kernel/locking/lockdep.c:4754) 
[ 22.655332][ C3] mark_usage (kernel/locking/lockdep.c:4643) 
[ 22.655335][ C3] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 22.655340][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 22.655343][ C3] ? simple_pin_fs (fs/libfs.c:1066) 
[ 22.655346][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 22.655352][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 22.655355][ C3] ? simple_pin_fs (fs/libfs.c:1066) 
[ 22.655358][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 22.655361][ C3] ? simple_pin_fs (fs/libfs.c:1066) 
[ 22.655363][ C3] simple_pin_fs (fs/libfs.c:1066) 
[ 22.655367][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 22.655370][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 22.655377][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 22.655380][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 22.655387][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 22.655389][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 22.655392][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 22.655395][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 22.655401][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 22.655404][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 22.655407][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 22.655410][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 22.655412][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 22.655417][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 22.655419][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 22.655422][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 22.655425][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 22.655432][ C3] __put_net (net/core/net_namespace.c:732) 
[ 22.655436][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 22.655440][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 22.655442][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 22.655445][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 22.655452][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 22.655455][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.655458][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 22.655462][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.655466][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 22.655472][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 22.655478][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 22.655481][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 22.655484][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   22.655487][    C3]  </IRQ>
[   22.655488][    C3]  <TASK>
[ 22.655490][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 22.655493][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 22.655497][ C3] Code: a0 d1 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 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   22.655499][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   22.655503][    C3] RAX: 0000000000054c21 RBX: 1ffff9200002afc1 RCX: ffffffffb2fdea19
[   22.655505][    C3] RDX: 0000000000000000 RSI: ffffffffb3c9db3e RDI: ffffffffb3456260
[   22.655507][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c3667a
[   22.655509][    C3] R10: ffff8880361b33d3 R11: 0000000000000000 R12: 0000000000000000
[   22.655510][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 22.655515][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 22.655521][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 22.655523][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 22.655526][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 22.655529][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 22.655533][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 22.655537][ C3] do_idle (kernel/sched/idle.c:325) 
[ 22.655540][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 22.655543][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 22.655546][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 22.655551][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   22.671666][    C3] RCU nest depth: 0, expected: 0
| [   22.671863][    C3] INFO: lockdep is turned off.
| [   22.672053][    C3] Preemption disabled at:
| [ 22.672055][ C3] 0x0 
[   22.672398][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.672400][    C3] Call Trace:
[   22.672402][    C3]  <IRQ>
[ 22.672404][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 22.672411][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 22.672419][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 22.672423][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 22.672426][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 22.672431][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 22.672435][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 22.672441][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 22.672443][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 22.672447][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 22.672452][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 22.672456][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 22.672461][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 22.672464][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 22.672468][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 22.672471][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 22.672474][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 22.672479][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 22.672482][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 22.672485][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 22.672488][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 22.672490][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 22.672493][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 22.672496][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 22.672498][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 22.672501][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 22.672504][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 22.672511][ C3] __put_net (net/core/net_namespace.c:732) 
[ 22.672514][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 22.672518][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 22.672520][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 22.672523][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 22.672528][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 22.672532][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.672536][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 22.672539][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.672543][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 22.672548][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 22.672554][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 22.672557][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 22.672560][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   22.672563][    C3]  </IRQ>
[   22.672564][    C3]  <TASK>
[ 22.672565][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 22.672568][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 22.672572][ C3] Code: a0 d1 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 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   22.672574][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   22.672577][    C3] RAX: 0000000000054c21 RBX: 1ffff9200002afc1 RCX: ffffffffb2fdea19
[   22.672579][    C3] RDX: 0000000000000000 RSI: ffffffffb3c9db3e RDI: ffffffffb3456260
[   22.672581][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c3667a
[   22.672583][    C3] R10: ffff8880361b33d3 R11: 0000000000000000 R12: 0000000000000000
[   22.672585][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 22.672589][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 22.672595][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 22.672597][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 22.672599][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 22.672603][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 22.672606][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 22.672611][ C3] do_idle (kernel/sched/idle.c:325) 
[ 22.672614][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 22.672617][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 22.672620][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 22.672624][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   25.430224][    C3] INFO: lockdep is turned off.
| [   25.430419][    C3] Preemption disabled at:
| [ 25.430420][ C3] 0x0 
| [   25.430773][    C3] Tainted: [W]=WARN
[   25.430774][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.430776][    C3] Call Trace:
[   25.430778][    C3]  <IRQ>
[ 25.430781][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 25.430789][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 25.430800][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 25.430804][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 25.430807][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 25.430812][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 25.430818][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 25.430824][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 25.430827][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 25.430833][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 25.430838][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 25.430841][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 25.430847][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 25.430850][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 25.430855][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 25.430858][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 25.430861][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 25.430866][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 25.430870][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 25.430873][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 25.430876][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 25.430879][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 25.430881][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 25.430885][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 25.430887][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 25.430890][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 25.430893][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 25.430898][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 25.430905][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 25.430910][ C3] __put_net (net/core/net_namespace.c:732) 
[ 25.430913][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 25.430916][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 25.430919][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 25.430923][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 25.430927][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 25.430932][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.430937][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 25.430942][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 25.430947][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 25.430951][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 25.430954][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   25.430958][    C3]  </IRQ>
[   25.430959][    C3]  <TASK>
[ 25.430960][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 25.430963][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 25.430967][ C3] Code: a0 d1 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 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   25.430970][    C3] RSP: 0000:ffffc90000157de8 EFLAGS: 00000246
[   25.430974][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb2fdea19
[   25.430976][    C3] RDX: ffffed1006c3667b RSI: ffffffffb34561e0 RDI: ffffffffb078879f
[   25.430978][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[   25.430979][    C3] R10: ffff8880361b33d3 R11: ffff888001ef8558 R12: 0000000000000000
[   25.430981][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 25.430985][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 25.430989][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 25.430993][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 25.430996][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 25.430998][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 25.431001][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 25.431005][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 25.431009][ C3] do_idle (kernel/sched/idle.c:325) 
[ 25.431012][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 25.431016][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 25.431018][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 25.431023][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   29.729271][    C2] INFO: lockdep is turned off.
| [   29.729575][    C2] Preemption disabled at:
| [ 29.729579][ C2] handle_softirqs (kernel/softirq.c:553) 
| [   29.730226][    C2] Tainted: [W]=WARN
[   29.730228][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.730231][    C2] Call Trace:
[   29.730234][    C2]  <TASK>
[ 29.730238][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 29.730250][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 29.730263][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 29.730270][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 29.730274][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 29.730282][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 29.730291][ 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) 
[ 29.730301][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 29.730306][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 29.730315][ 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) 
[ 29.730324][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 29.730330][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 29.730339][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 29.730345][ 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) 
[ 29.730354][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 29.730360][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 29.730365][ C2] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 29.730373][ C2] ? kthread (kernel/kthread.c:464) 
[ 29.730379][ C2] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 29.730386][ C2] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 29.730391][ C2] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2417) 
[ 29.730398][ C2] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 29.730403][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 29.730411][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 29.730419][ C2] __put_net (net/core/net_namespace.c:732) 
[ 29.730424][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 29.730431][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 29.730436][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 29.730445][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 29.730452][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 29.730457][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 29.730469][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 29.730477][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 29.730484][ C2] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 29.730492][ C2] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 29.730496][ C2] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 29.730503][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 29.730510][ C2] kthread (kernel/kthread.c:464) 
[ 29.730516][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 29.730520][ C2] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 29.730525][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 29.730531][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 29.730536][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 29.730542][ C2] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 29.730547][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 29.730552][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   34.087214][    C1] INFO: lockdep is turned off.
| [   34.087405][    C1] Preemption disabled at:
| [ 34.087407][ C1] 0x0 
| [   34.087739][    C1] Tainted: [W]=WARN
[   34.087740][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.087742][    C1] Call Trace:
[   34.087744][    C1]  <IRQ>
[ 34.087746][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 34.087757][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 34.087768][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 34.087773][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 34.087776][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 34.087783][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 34.087790][ 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) 
[ 34.087801][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 34.087804][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 34.087811][ 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) 
[ 34.087817][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 34.087820][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 34.087827][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 34.087831][ 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) 
[ 34.087839][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 34.087843][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 34.087846][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 34.087855][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 34.087860][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 34.087865][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 34.087869][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 34.087873][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 34.087876][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 34.087880][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 34.087883][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 34.087886][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 34.087889][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 34.087894][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 34.087902][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 34.087906][ C1] __put_net (net/core/net_namespace.c:732) 
[ 34.087910][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 34.087914][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 34.087916][ C1] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 34.087921][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 34.087924][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 34.087931][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.087937][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 34.087943][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 34.087949][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 34.087952][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 34.087955][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   34.087958][    C1]  </IRQ>
[   34.087959][    C1]  <TASK>
[ 34.087961][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 34.087964][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 34.087968][ C1] Code: a0 d1 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 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   34.087971][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[   34.087975][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffb2fdea19
[   34.087977][    C1] RDX: ffffed1006c1667b RSI: ffffffffb34561e0 RDI: ffffffffb078879f
[   34.087979][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[   34.087981][    C1] R10: ffff8880360b33d3 R11: ffff888008a32858 R12: 0000000000000000
[   34.087983][    C1] R13: ffff888001bf0040 R14: dffffc0000000000 R15: 0000000000000000
[ 34.087987][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 34.087991][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 34.087995][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 34.087998][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 34.088000][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 34.088003][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 34.088007][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 34.088011][ C1] do_idle (kernel/sched/idle.c:325) 
[ 34.088015][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 34.088018][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 34.088021][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 34.088025][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   36.926128][    C3] INFO: lockdep is turned off.
| [   36.926320][    C3] Preemption disabled at:
| [ 36.926322][ C3] 0x0 
| [   36.926686][    C3] Tainted: [W]=WARN
[   36.926687][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.926689][    C3] Call Trace:
[   36.926691][    C3]  <IRQ>
[ 36.926693][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 36.926701][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 36.926709][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 36.926713][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 36.926715][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 36.926721][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 36.926728][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 36.926734][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 36.926736][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 36.926742][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 36.926747][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 36.926750][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 36.926756][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 36.926759][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 36.926763][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 36.926767][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 36.926770][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 36.926776][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 36.926781][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 36.926784][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 36.926787][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 36.926790][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 36.926795][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 36.926799][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 36.926802][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 36.926804][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 36.926808][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 36.926813][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 36.926818][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 36.926822][ C3] __put_net (net/core/net_namespace.c:732) 
[ 36.926825][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 36.926829][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 36.926832][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 36.926836][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 36.926840][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 36.926845][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.926851][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 36.926855][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 36.926861][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 36.926864][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 36.926867][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   36.926870][    C3]  </IRQ>
[   36.926871][    C3]  <TASK>
[ 36.926873][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 36.926876][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 36.926880][ C3] Code: a0 d1 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 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   36.926882][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   36.926886][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb2fdea19
[   36.926888][    C3] RDX: ffffed1006c3667b RSI: ffffffffb34561e0 RDI: ffffffffb078879f
[   36.926890][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[   36.926892][    C3] R10: ffff8880361b33d3 R11: ffff888005610558 R12: 0000000000000000
[   36.926893][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 36.926897][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 36.926902][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 36.926906][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 36.926908][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 36.926910][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 36.926913][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 36.926917][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 36.926921][ C3] do_idle (kernel/sched/idle.c:325) 
[ 36.926925][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 36.926928][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 36.926931][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 36.926936][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   39.907247][    C2] INFO: lockdep is turned off.
| [   39.907464][    C2] Preemption disabled at:
| [ 39.907466][ C2] 0x0 
| [   39.907875][    C2] Tainted: [W]=WARN
[   39.907876][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.907879][    C2] Call Trace:
[   39.907881][    C2]  <IRQ>
[ 39.907884][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 39.907894][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 39.907904][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 39.907909][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 39.907911][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 39.907918][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 39.907924][ 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) 
[ 39.907932][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 39.907935][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 39.907941][ 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) 
[ 39.907947][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 39.907950][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 39.907957][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 39.907961][ 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) 
[ 39.907967][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 39.907971][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 39.907975][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 39.907982][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 39.907987][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 39.907992][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 39.907995][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 39.907998][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 39.908000][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 39.908005][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 39.908007][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 39.908010][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 39.908015][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 39.908023][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 39.908031][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 39.908039][ C2] __put_net (net/core/net_namespace.c:732) 
[ 39.908044][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 39.908049][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 39.908052][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 39.908057][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 39.908060][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 39.908067][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.908073][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 39.908079][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 39.908085][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 39.908088][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 39.908091][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   39.908095][    C2]  </IRQ>
[   39.908096][    C2]  <TASK>
[ 39.908098][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 39.908101][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 39.908105][ C2] Code: a0 d1 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 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   39.908108][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   39.908113][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb2fdea19
[   39.908115][    C2] RDX: ffffed1006c2667b RSI: ffffffffb34561e0 RDI: ffffffffb078879f
[   39.908117][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c2667a
[   39.908119][    C2] R10: ffff8880361333d3 R11: ffff888001ee2858 R12: 0000000000000000
[   39.908121][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 39.908125][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 39.908131][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 39.908135][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 39.908137][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 39.908140][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 39.908143][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 39.908147][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 39.908152][ C2] do_idle (kernel/sched/idle.c:325) 
[ 39.908156][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 39.908159][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 39.908162][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 39.908166][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   44.151831][    C0] INFO: lockdep is turned off.
| [   44.152038][    C0] Preemption disabled at:
| [ 44.152040][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [   44.152567][    C0] Tainted: [W]=WARN
[   44.152569][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.152572][    C0] Call Trace:
[   44.152575][    C0]  <IRQ>
[ 44.152578][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 44.152590][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 44.152601][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 44.152606][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 44.152610][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 44.152618][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 44.152626][ 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) 
[ 44.152637][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 44.152641][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 44.152650][ 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) 
[ 44.152658][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 44.152663][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 44.152673][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 44.152678][ 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) 
[ 44.152686][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 44.152693][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 44.152698][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 44.152706][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 44.152713][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 44.152721][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 44.152726][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 44.152730][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 44.152734][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 44.152741][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 44.152745][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 44.152749][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 44.152754][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 44.152761][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 44.152769][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 44.152775][ C0] __put_net (net/core/net_namespace.c:732) 
[ 44.152780][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 44.152786][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 44.152790][ C0] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 44.152803][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 44.152808][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 44.152817][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.152826][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 44.152833][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 44.152843][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 44.152847][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 44.152851][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   44.152855][    C0]  </IRQ>
[   44.152856][    C0]  <TASK>
[ 44.152858][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 44.152862][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 44.152868][ C0] Code: a0 d1 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 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   44.152873][    C0] RSP: 0018:ffffffffb3e07df8 EFLAGS: 00000246
[   44.152879][    C0] RAX: 0000000000000000 RBX: 1ffffffff67c0fc3 RCX: ffffffffb2fdea19
[   44.152882][    C0] RDX: ffffed1006c0667b RSI: ffffffffb34561e0 RDI: ffffffffb078879f
[   44.152886][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c0667a
[   44.152889][    C0] R10: ffff8880360333d3 R11: ffff88800b784b58 R12: 0000000000000000
[   44.152891][    C0] R13: ffffffffb3e1f240 R14: dffffc0000000000 R15: 0000000000014770
[ 44.152899][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 44.152907][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 44.152913][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 44.152916][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 44.152920][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 44.152925][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 44.152932][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 44.152942][ C0] do_idle (kernel/sched/idle.c:325) 
[ 44.152948][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 44.152952][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 44.152958][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 44.152966][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 44.152973][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 44.152978][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   48.464054][    C3] INFO: lockdep is turned off.
| [   48.464254][    C3] Preemption disabled at:
| [ 48.464257][ C3] 0x0 
| [   48.464578][    C3] Tainted: [W]=WARN
[   48.464579][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.464581][    C3] Call Trace:
[   48.464583][    C3]  <IRQ>
[ 48.464585][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 48.464594][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 48.464602][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 48.464607][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 48.464609][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 48.464614][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 48.464619][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 48.464625][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 48.464628][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 48.464633][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 48.464638][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 48.464641][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 48.464647][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 48.464651][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 48.464656][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 48.464659][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 48.464663][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 48.464668][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 48.464672][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 48.464677][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 48.464680][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 48.464683][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 48.464685][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 48.464688][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 48.464691][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 48.464694][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 48.464697][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 48.464702][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 48.464707][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 48.464711][ C3] __put_net (net/core/net_namespace.c:732) 
[ 48.464714][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 48.464718][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 48.464720][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 48.464725][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 48.464729][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 48.464733][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 48.464738][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 48.464744][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 48.464747][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 48.464750][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   48.464753][    C3]  </IRQ>
[   48.464755][    C3]  <TASK>
[ 48.464756][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 48.464759][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 48.464763][ C3] Code: a0 d1 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 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   48.464766][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   48.464770][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb2fdea19
[   48.464772][    C3] RDX: ffffed1006c3667b RSI: ffffffffb34561e0 RDI: ffffffffb078879f
[   48.464774][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[   48.464776][    C3] R10: ffff8880361b33d3 R11: ffff888001bdcb58 R12: 0000000000000000
[   48.464778][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 48.464781][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 48.464786][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 48.464790][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 48.464796][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 48.464798][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 48.464801][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 48.464805][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 48.464809][ C3] do_idle (kernel/sched/idle.c:325) 
[ 48.464813][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 48.464816][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 48.464819][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 48.464824][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   52.714854][    C3] INFO: lockdep is turned off.
| [   52.715105][    C3] Preemption disabled at:
| [ 52.715108][ C3] 0x0 
| [   52.715644][    C3] Tainted: [W]=WARN
[   52.715646][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.715649][    C3] Call Trace:
[   52.715652][    C3]  <IRQ>
[ 52.715655][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 52.715667][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 52.715678][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 52.715684][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 52.715688][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 52.715696][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 52.715704][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 52.715713][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 52.715718][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 52.715725][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 52.715734][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 52.715740][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 52.715747][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 52.715753][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 52.715759][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 52.715766][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 52.715771][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 52.715778][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 52.715784][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 52.715790][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 52.715795][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 52.715799][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 52.715803][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 52.715809][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 52.715813][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 52.715817][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 52.715823][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 52.715829][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 52.715836][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 52.715843][ C3] __put_net (net/core/net_namespace.c:732) 
[ 52.715848][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 52.715855][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 52.715860][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 52.715868][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 52.715875][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 52.715883][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.715892][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 52.715898][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 52.715907][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 52.715913][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 52.715917][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   52.715921][    C3]  </IRQ>
[   52.715923][    C3]  <TASK>
[ 52.715926][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 52.715931][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 52.715936][ C3] Code: a0 d1 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 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   52.715940][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   52.715947][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb2fdea19
[   52.715951][    C3] RDX: ffffed1006c3667b RSI: ffffffffb34561e0 RDI: ffffffffb078879f
[   52.715954][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[   52.715957][    C3] R10: ffff8880361b33d3 R11: ffff8880361a7f4c R12: 0000000000000000
[   52.715960][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 52.715967][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 52.715973][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 52.715980][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 52.715984][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 52.715989][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 52.715995][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 52.716001][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 52.716007][ C3] do_idle (kernel/sched/idle.c:325) 
[ 52.716014][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 52.716019][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 52.716024][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 52.716033][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   56.371011][    C3] INFO: lockdep is turned off.
| [   56.371183][    C3] Preemption disabled at:
| [ 56.371184][ C3] 0x0 
| [   56.371499][    C3] Tainted: [W]=WARN
[   56.371501][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.371503][    C3] Call Trace:
[   56.371505][    C3]  <IRQ>
[ 56.371507][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 56.371515][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 56.371522][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 56.371526][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 56.371529][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 56.371534][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 56.371539][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 56.371545][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 56.371548][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 56.371552][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 56.371558][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 56.371561][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 56.371566][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 56.371569][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 56.371574][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 56.371578][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 56.371581][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 56.371586][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 56.371590][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 56.371594][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 56.371597][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 56.371600][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 56.371602][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 56.371606][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 56.371608][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 56.371611][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 56.371615][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 56.371620][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 56.371625][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 56.371629][ C3] __put_net (net/core/net_namespace.c:732) 
[ 56.371632][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 56.371636][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 56.371638][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 56.371643][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 56.371646][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 56.371652][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.371657][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 56.371662][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 56.371668][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 56.371671][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 56.371674][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   56.371677][    C3]  </IRQ>
[   56.371678][    C3]  <TASK>
[ 56.371680][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 56.371683][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 56.371687][ C3] Code: a0 d1 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 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   56.371689][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   56.371693][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb2fdea19
[   56.371695][    C3] RDX: ffffed1006c3667b RSI: ffffffffb34561e0 RDI: ffffffffb078879f
[   56.371697][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[   56.371699][    C3] R10: ffff8880361b33d3 R11: ffff8880361a7f4c R12: 0000000000000000
[   56.371701][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 56.371705][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 56.371710][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 56.371713][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 56.371716][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 56.371718][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 56.371721][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 56.371725][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 56.371729][ C3] do_idle (kernel/sched/idle.c:325) 
[ 56.371732][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 56.371735][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 56.371738][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 56.371743][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   59.129982][    C1] INFO: lockdep is turned off.
| [   59.130143][    C1] Preemption disabled at:
| [ 59.130145][ C1] handle_softirqs (kernel/softirq.c:553) 
| [   59.130490][    C1] Tainted: [W]=WARN
[   59.130492][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.130494][    C1] Call Trace:
[   59.130495][    C1]  <TASK>
[ 59.130498][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 59.130504][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 59.130513][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 59.130517][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 59.130519][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 59.130524][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 59.130529][ 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) 
[ 59.130535][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 59.130538][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 59.130543][ 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) 
[ 59.130548][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 59.130551][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 59.130556][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 59.130560][ 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) 
[ 59.130565][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 59.130568][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 59.130572][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 59.130579][ C1] ? kthread (kernel/kthread.c:464) 
[ 59.130583][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 59.130590][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 59.130594][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2417) 
[ 59.130600][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 59.130603][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 59.130608][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 59.130612][ C1] __put_net (net/core/net_namespace.c:732) 
[ 59.130615][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 59.130619][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 59.130621][ C1] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 59.130626][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 59.130629][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 59.130632][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 59.130638][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 59.130644][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 59.130648][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 59.130652][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 59.130655][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 59.130659][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 59.130663][ C1] kthread (kernel/kthread.c:464) 
[ 59.130666][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 59.130668][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 59.130671][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 59.130675][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 59.130678][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 59.130681][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 59.130684][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 59.130686][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   62.770497][    C2] INFO: lockdep is turned off.
| [   62.770760][    C2] Preemption disabled at:
| [ 62.770762][ C2] 0x0 
| [   62.771223][    C2] Tainted: [W]=WARN
[   62.771224][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.771226][    C2] Call Trace:
[   62.771228][    C2]  <IRQ>
[ 62.771231][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 62.771240][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 62.771248][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 62.771251][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 62.771254][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 62.771259][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 62.771264][ 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) 
[ 62.771270][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 62.771273][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 62.771278][ 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) 
[ 62.771283][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 62.771286][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 62.771292][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 62.771295][ 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) 
[ 62.771300][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 62.771303][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 62.771306][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 62.771312][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 62.771317][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 62.771320][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 62.771323][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 62.771326][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 62.771328][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 62.771332][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 62.771335][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 62.771337][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 62.771341][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 62.771346][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 62.771350][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 62.771355][ C2] __put_net (net/core/net_namespace.c:732) 
[ 62.771357][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 62.771361][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 62.771364][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 62.771369][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 62.771372][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 62.771377][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.771383][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 62.771388][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 62.771393][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 62.771397][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 62.771399][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   62.771403][    C2]  </IRQ>
[   62.771404][    C2]  <TASK>
[ 62.771405][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 62.771408][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 62.771412][ C2] Code: a0 d1 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 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   62.771415][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   62.771418][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb2fdea19
[   62.771421][    C2] RDX: ffffed1006c2667b RSI: ffffffffb34561e0 RDI: ffffffffb078879f
[   62.771423][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c2667a
[   62.771424][    C2] R10: ffff8880361333d3 R11: ffffffffb6a86180 R12: 0000000000000000
[   62.771426][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 62.771430][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 62.771435][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 62.771439][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 62.771441][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 62.771443][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 62.771447][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 62.771450][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 62.771454][ C2] do_idle (kernel/sched/idle.c:325) 
[ 62.771458][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 62.771461][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 62.771464][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 


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