======================================
| [   51.583125][    C3] 1 lock held by ksoftirqd/3/32:
| [ 51.583323][ C3] #0: ffffffffb2d88a40 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2562) 
| [   51.583658][    C3]
| [   51.583658][    C3] stack backtrace:
[   51.583896][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.583899][    C3] Call Trace:
[   51.583901][    C3]  <TASK>
[ 51.583904][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 51.583911][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 51.583916][ C3] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 51.583921][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 51.583927][ C3] ? save_trace (kernel/locking/lockdep.c:594) 
[ 51.583932][ C3] mark_lock (kernel/locking/lockdep.c:4754) 
[ 51.583936][ C3] mark_usage (kernel/locking/lockdep.c:4643) 
[ 51.583939][ C3] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 51.583945][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 51.583949][ C3] ? simple_pin_fs (fs/libfs.c:1066) 
[ 51.583952][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 51.583957][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 51.583960][ C3] ? simple_pin_fs (fs/libfs.c:1066) 
[ 51.583964][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 51.583967][ C3] ? simple_pin_fs (fs/libfs.c:1066) 
[ 51.583970][ C3] simple_pin_fs (fs/libfs.c:1066) 
[ 51.583974][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 51.583977][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 51.583983][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 51.583986][ 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) 
[ 51.583992][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 51.583995][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 51.583997][ C3] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 51.584002][ C3] ? kthread (kernel/kthread.c:464) 
[ 51.584007][ C3] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 51.584010][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 51.584013][ C3] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2417) 
[ 51.584019][ C3] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 51.584025][ C3] __put_net (net/core/net_namespace.c:732) 
[ 51.584030][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 51.584033][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 51.584036][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 51.584041][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 51.584046][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 51.584049][ C3] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 51.584052][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 51.584058][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 51.584062][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 51.584067][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 51.584071][ C3] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 51.584074][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 51.584078][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 51.584081][ C3] kthread (kernel/kthread.c:464) 
[ 51.584085][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 51.584087][ C3] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 51.584090][ C3] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 51.584094][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 51.584098][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 51.584101][ C3] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 51.584104][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 51.584107][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   51.595450][    C3] RCU nest depth: 0, expected: 0
| [   51.595634][    C3] INFO: lockdep is turned off.
| [   51.595814][    C3] Preemption disabled at:
| [ 51.595815][ C3] handle_softirqs (kernel/softirq.c:553) 
[   51.596185][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.596187][    C3] Call Trace:
[   51.596189][    C3]  <TASK>
[ 51.596191][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 51.596195][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 51.596201][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 51.596207][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 51.596211][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 51.596215][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 51.596220][ 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) 
[ 51.596225][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 51.596228][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 51.596233][ 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) 
[ 51.596238][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 51.596241][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 51.596246][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 51.596249][ 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) 
[ 51.596252][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 51.596256][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 51.596259][ C3] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 51.596262][ C3] ? kthread (kernel/kthread.c:464) 
[ 51.596265][ C3] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 51.596269][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 51.596273][ C3] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2417) 
[ 51.596278][ C3] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 51.596284][ C3] __put_net (net/core/net_namespace.c:732) 
[ 51.596288][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 51.596291][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 51.596294][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 51.596299][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 51.596303][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 51.596306][ C3] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 51.596309][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 51.596314][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 51.596319][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 51.596323][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 51.596328][ C3] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 51.596331][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 51.596334][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 51.596337][ C3] kthread (kernel/kthread.c:464) 
[ 51.596341][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 51.596343][ C3] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 51.596346][ C3] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 51.596351][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 51.596355][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 51.596358][ C3] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 51.596361][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 51.596364][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   55.787879][    C1] INFO: lockdep is turned off.
| [   55.788066][    C1] Preemption disabled at:
| [ 55.788068][ C1] 0x0 
| [   55.788416][    C1] Tainted: [W]=WARN
[   55.788418][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.788420][    C1] Call Trace:
[   55.788422][    C1]  <IRQ>
[ 55.788425][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 55.788437][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 55.788445][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 55.788452][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 55.788456][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 55.788462][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 55.788469][ 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) 
[ 55.788475][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 55.788478][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 55.788486][ 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) 
[ 55.788490][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 55.788494][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 55.788500][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 55.788503][ 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) 
[ 55.788509][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 55.788514][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 55.788516][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 55.788524][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 55.788529][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 55.788533][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 55.788536][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 55.788539][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 55.788543][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 55.788547][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 55.788550][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 55.788552][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 55.788557][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 55.788561][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 55.788565][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 55.788570][ C1] __put_net (net/core/net_namespace.c:732) 
[ 55.788576][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 55.788579][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 55.788582][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 55.788586][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 55.788591][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 55.788596][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 55.788602][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 55.788607][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 55.788614][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 55.788617][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 55.788620][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   55.788624][    C1]  </IRQ>
[   55.788625][    C1]  <TASK>
[ 55.788626][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 55.788629][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 55.788633][ C1] Code: 60 d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 c5 25 00 fb f4 <e9> 7c 57 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	60                   	(bad)
   1:	d3 00                	roll   %cl,(%rax)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d a3 c5 25 00 	verw   0x25c5a3(%rip)        # 0x25c5cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 7c 57 02 00       	jmp    0x257ab		<-- trapping instruction
  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:	e9 7c 57 02 00       	jmp    0x25781
   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
[   55.788635][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[   55.788639][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffb1636a39
[   55.788641][    C1] RDX: ffffed100d9d667b RSI: ffffffffb1a53e00 RDI: ffffffffaeb9310f
[   55.788643][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9d667a
[   55.788645][    C1] R10: ffff88806ceb33d3 R11: ffff88800584cb58 R12: 0000000000000000
[   55.788646][    C1] R13: ffff888001b58040 R14: dffffc0000000000 R15: 0000000000000000
[ 55.788650][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 55.788654][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 55.788658][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 55.788661][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 55.788665][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 55.788668][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 55.788673][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 55.788677][ C1] do_idle (kernel/sched/idle.c:325) 
[ 55.788681][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 55.788684][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 55.788688][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 55.788693][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   58.804299][    C0] INFO: lockdep is turned off.
| [   58.804513][    C0] Preemption disabled at:
| [ 58.804515][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [   58.804983][    C0] Tainted: [W]=WARN
[   58.804984][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.804986][    C0] Call Trace:
[   58.804988][    C0]  <IRQ>
[ 58.804990][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 58.804996][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 58.805002][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 58.805006][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 58.805010][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 58.805015][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 58.805020][ 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) 
[ 58.805025][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 58.805028][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 58.805034][ 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) 
[ 58.805038][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 58.805041][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 58.805046][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 58.805048][ 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) 
[ 58.805052][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 58.805056][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 58.805058][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 58.805064][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 58.805068][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 58.805072][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 58.805075][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 58.805078][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 58.805082][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 58.805086][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 58.805089][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 58.805092][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 58.805094][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 58.805102][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 58.805106][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 58.805110][ C0] __put_net (net/core/net_namespace.c:732) 
[ 58.805115][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 58.805118][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 58.805121][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 58.805126][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 58.805130][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 58.805135][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 58.805140][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 58.805145][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 58.805151][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 58.805155][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 58.805158][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   58.805161][    C0]  </IRQ>
[   58.805162][    C0]  <TASK>
[ 58.805164][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 58.805166][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 58.805170][ C0] Code: 60 d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 c5 25 00 fb f4 <e9> 7c 57 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	60                   	(bad)
   1:	d3 00                	roll   %cl,(%rax)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d a3 c5 25 00 	verw   0x25c5a3(%rip)        # 0x25c5cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 7c 57 02 00       	jmp    0x257ab		<-- trapping instruction
  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:	e9 7c 57 02 00       	jmp    0x25781
   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
[   58.805173][    C0] RSP: 0018:ffffffffb2a07df8 EFLAGS: 00000246
[   58.805177][    C0] RAX: 0000000000000000 RBX: 1ffffffff6540fc3 RCX: ffffffffb1636a39
[   58.805179][    C0] RDX: ffffed100d9c667b RSI: ffffffffb1a53e00 RDI: ffffffffaeb9310f
[   58.805181][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9c667a
[   58.805182][    C0] R10: ffff88806ce333d3 R11: ffff888001b42858 R12: 0000000000000000
[   58.805184][    C0] R13: ffffffffb2a33240 R14: dffffc0000000000 R15: 0000000000014770
[ 58.805188][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 58.805192][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 58.805196][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 58.805200][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 58.805203][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 58.805206][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 58.805210][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 58.805216][ C0] do_idle (kernel/sched/idle.c:325) 
[ 58.805220][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 58.805224][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 58.805227][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 58.805231][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 58.805236][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 58.805240][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   62.385202][    C2] INFO: lockdep is turned off.
| [   62.385406][    C2] Preemption disabled at:
| [ 62.385408][ C2] handle_softirqs (kernel/softirq.c:553) 
| [   62.385851][    C2] Tainted: [W]=WARN
[   62.385852][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.385855][    C2] Call Trace:
[   62.385857][    C2]  <TASK>
[ 62.385860][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 62.385868][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 62.385875][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 62.385881][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 62.385884][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 62.385890][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 62.385896][ 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) 
[ 62.385902][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 62.385905][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 62.385913][ 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) 
[ 62.385918][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 62.385921][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 62.385927][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 62.385930][ 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) 
[ 62.385935][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 62.385940][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 62.385942][ C2] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 62.385947][ C2] ? kthread (kernel/kthread.c:464) 
[ 62.385952][ C2] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 62.385958][ C2] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 62.385964][ 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) 
[ 62.385970][ C2] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 62.385974][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 62.385979][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 62.385984][ C2] __put_net (net/core/net_namespace.c:732) 
[ 62.385989][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 62.385992][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 62.385995][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 62.386000][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 62.386004][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 62.386008][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 62.386015][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 62.386020][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 62.386025][ C2] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 62.386029][ C2] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 62.386032][ C2] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 62.386035][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 62.386039][ C2] kthread (kernel/kthread.c:464) 
[ 62.386042][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 62.386045][ C2] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 62.386048][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 62.386054][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 62.386057][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 62.386061][ C2] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 62.386064][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 62.386067][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   84.138898][    C0] INFO: lockdep is turned off.
| [   84.139088][    C0] Preemption disabled at:
| [ 84.139090][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [   84.139548][    C0] Tainted: [W]=WARN
[   84.139549][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.139551][    C0] Call Trace:
[   84.139553][    C0]  <IRQ>
[ 84.139555][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 84.139562][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 84.139570][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 84.139574][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 84.139578][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 84.139584][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 84.139591][ 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) 
[ 84.139596][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 84.139600][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 84.139608][ 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) 
[ 84.139612][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 84.139615][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 84.139621][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 84.139624][ 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) 
[ 84.139630][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 84.139635][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 84.139637][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 84.139645][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 84.139649][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 84.139653][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 84.139656][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 84.139660][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 84.139663][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 84.139667][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 84.139670][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 84.139673][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 84.139675][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 84.139681][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 84.139686][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 84.139691][ C0] __put_net (net/core/net_namespace.c:732) 
[ 84.139697][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 84.139700][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 84.139704][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 84.139709][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 84.139713][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 84.139719][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 84.139724][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 84.139729][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 84.139735][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 84.139739][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 84.139742][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   84.139745][    C0]  </IRQ>
[   84.139746][    C0]  <TASK>
[ 84.139748][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 84.139751][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 84.139754][ C0] Code: 60 d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 c5 25 00 fb f4 <e9> 7c 57 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	60                   	(bad)
   1:	d3 00                	roll   %cl,(%rax)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d a3 c5 25 00 	verw   0x25c5a3(%rip)        # 0x25c5cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 7c 57 02 00       	jmp    0x257ab		<-- trapping instruction
  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:	e9 7c 57 02 00       	jmp    0x25781
   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
[   84.139757][    C0] RSP: 0018:ffffffffb2a07df8 EFLAGS: 00000246
[   84.139761][    C0] RAX: 0000000000000000 RBX: 1ffffffff6540fc3 RCX: ffffffffb1636a39
[   84.139763][    C0] RDX: ffffed100d9c667b RSI: ffffffffb1a53e00 RDI: ffffffffaeb9310f
[   84.139765][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9c667a
[   84.139766][    C0] R10: ffff88806ce333d3 R11: ffff888001b42858 R12: 0000000000000000
[   84.139768][    C0] R13: ffffffffb2a33240 R14: dffffc0000000000 R15: 0000000000014770
[ 84.139772][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 84.139776][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 84.139780][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 84.139783][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 84.139786][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 84.139790][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 84.139794][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 84.139800][ C0] do_idle (kernel/sched/idle.c:325) 
[ 84.139804][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 84.139807][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 84.139811][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 84.139815][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 84.139819][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 84.139823][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   87.661257][    C2] INFO: lockdep is turned off.
| [   87.661473][    C2] Preemption disabled at:
| [ 87.661474][ C2] 0x0 
| [   87.661854][    C2] Tainted: [W]=WARN
[   87.661855][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.661857][    C2] Call Trace:
[   87.661859][    C2]  <IRQ>
[ 87.661861][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 87.661869][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 87.661875][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 87.661880][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 87.661884][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 87.661888][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 87.661893][ 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) 
[ 87.661898][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 87.661901][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 87.661907][ 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) 
[ 87.661911][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 87.661914][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 87.661919][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 87.661922][ 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) 
[ 87.661925][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 87.661929][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 87.661931][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 87.661937][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 87.661941][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 87.661944][ C2] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 87.661948][ C2] ? folio_unmap_invalidate (./include/linux/pagemap.h:182 (discriminator 2) mm/truncate.c:620 (discriminator 2)) 
[ 87.661953][ C2] ? invalidate_inode_pages2_range (mm/truncate.c:694 (discriminator 2)) 
[ 87.661956][ C2] ? fuse_open (fs/fuse/file.c:280) 
[ 87.661959][ C2] ? do_dentry_open (fs/open.c:956) 
[ 87.661963][ C2] ? vfs_open (fs/open.c:1086) 
[ 87.661967][ C2] ? backing_file_open (fs/backing-file.c:45) 
[ 87.661970][ C2] ? ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 87.661975][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 87.661979][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 87.661984][ C2] __put_net (net/core/net_namespace.c:732) 
[ 87.661988][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 87.661991][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 87.661994][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 87.661999][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 87.662003][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 87.662006][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 87.662012][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 87.662017][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 87.662023][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 87.662026][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 87.662030][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   87.662033][    C2]  </IRQ>
[   87.662034][    C2]  <TASK>
[ 87.662035][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 87.662038][ C2] RIP: 0010:_raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 87.662042][ C2] Code: 0f 1f 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 35 12 59 fd 48 89 ef e8 ad 64 59 fd e8 88 2f 7f fd fb bf 01 00 00 00 <e8> dd 6c 4d fd 65 8b 05 b6 b8 20 03 85 c0 74 06 5d c3 cc cc cc cc
All code
========
   0:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   5:	55                   	push   %rbp
   6:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
   b:	48 89 fd             	mov    %rdi,%rbp
   e:	48 83 c7 18          	add    $0x18,%rdi
  12:	e8 35 12 59 fd       	call   0xfffffffffd59124c
  17:	48 89 ef             	mov    %rbp,%rdi
  1a:	e8 ad 64 59 fd       	call   0xfffffffffd5964cc
  1f:	e8 88 2f 7f fd       	call   0xfffffffffd7f2fac
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 dd 6c 4d fd       	call   0xfffffffffd4d6d0c		<-- trapping instruction
  2f:	65 8b 05 b6 b8 20 03 	mov    %gs:0x320b8b6(%rip),%eax        # 0x320b8ec
  36:	85 c0                	test   %eax,%eax
  38:	74 06                	je     0x40
  3a:	5d                   	pop    %rbp
  3b:	c3                   	ret
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 dd 6c 4d fd       	call   0xfffffffffd4d6ce2
   5:	65 8b 05 b6 b8 20 03 	mov    %gs:0x320b8b6(%rip),%eax        # 0x320b8c2
   c:	85 c0                	test   %eax,%eax
   e:	74 06                	je     0x16
  10:	5d                   	pop    %rbp
  11:	c3                   	ret
  12:	cc                   	int3
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
[   87.662045][    C2] RSP: 0018:ffffc900013c7430 EFLAGS: 00000246
[   87.662049][    C2] RAX: 0000000000000001 RBX: ffffea0000344000 RCX: ffffffffaee4a5df
[   87.662051][    C2] RDX: 0000000000000000 RSI: ffffffffb1a53e00 RDI: 0000000000000001
[   87.662052][    C2] RBP: ffff88804e06add0 R08: 0000000000000000 R09: 0000000000000000
[   87.662054][    C2] R10: ffffffffb3870397 R11: dffffc0000000000 R12: ffff88804e06adc8
[   87.662056][    C2] R13: ffff88804e06add0 R14: ffffea0000344018 R15: dffffc0000000000
[ 87.662060][ C2] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:587 ./include/linux/cpumask.h:1143 ./include/trace/events/preemptirq.h:40) 
[ 87.662064][ C2] folio_unmap_invalidate (./include/linux/pagemap.h:182 (discriminator 2) mm/truncate.c:620 (discriminator 2)) 
[ 87.662068][ C2] invalidate_inode_pages2_range (mm/truncate.c:694 (discriminator 2)) 
[ 87.662074][ C2] ? __pfx_invalidate_inode_pages2_range (mm/truncate.c:645) 
[ 87.662077][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 87.662081][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 87.662089][ C2] ? fuse_file_cached_io_open.part.0 (fs/fuse/iomode.c:68) 
[ 87.662093][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 87.662097][ 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) 
[ 87.662106][ C2] ? fuse_file_io_open (fs/fuse/iomode.c:240) 
[ 87.662111][ C2] fuse_open (fs/fuse/file.c:280) 
[ 87.662115][ C2] do_dentry_open (fs/open.c:956) 
[ 87.662119][ C2] ? __pfx_fuse_open (fs/fuse/file.c:234) 
[ 87.662122][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 87.662125][ C2] vfs_open (fs/open.c:1086) 
[ 87.662130][ C2] backing_file_open (fs/backing-file.c:45) 
[ 87.662134][ C2] ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 87.662139][ C2] ovl_open (fs/overlayfs/file.c:222) 
[ 87.662143][ C2] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 87.662146][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 87.662151][ C2] do_dentry_open (fs/open.c:956) 
[ 87.662154][ C2] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 87.662159][ C2] vfs_open (fs/open.c:1086) 
[ 87.662164][ C2] do_open (fs/namei.c:3881) 
[ 87.662169][ C2] path_openat (fs/namei.c:4039) 
[ 87.662173][ C2] ? __pfx_path_openat (fs/namei.c:4021) 
[ 87.662177][ C2] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 87.662182][ C2] do_filp_open (fs/namei.c:4066) 
[ 87.662186][ C2] ? __pfx_do_filp_open (fs/namei.c:4060) 
[ 87.662189][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 87.662194][ C2] ? __pfx_page_put_link (fs/namei.c:5447) 
[ 87.662197][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 87.662200][ C2] ? alloc_fd (fs/file.c:597) 
[ 87.662205][ 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) 
[ 87.662208][ C2] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 87.662210][ C2] ? alloc_fd (fs/file.c:597) 
[ 87.662215][ C2] do_sys_openat2 (fs/open.c:1429) 
[ 87.662219][ C2] ? __pfx_do_sys_openat2 (fs/open.c:1414) 
[ 87.662223][ C2] ? __up_read (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1352) 
[ 87.662228][ C2] ? handle_mm_fault (mm/memory.c:6321) 
[ 87.662233][ C2] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 87.662238][ C2] __x64_sys_openat (fs/open.c:1455) 
[ 87.662241][ C2] ? __pfx___x64_sys_openat (fs/open.c:1455) 
[ 87.662244][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 87.662248][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 87.662254][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   87.662256][    C2] RIP: 0033:0x7f95d803ff68
[ 87.662259][ C2] Code: f9 41 89 f0 41 83 e2 40 75 30 89 f0 25 00 00 41 00 3d 00 00 41 00 74 22 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 30 c3 0f 1f 80 00 00 00 00 48 8d 44 24 08 c7
All code
========
   0:	f9                   	stc
   1:	41 89 f0             	mov    %esi,%r8d
   4:	41 83 e2 40          	and    $0x40,%r10d
   8:	75 30                	jne    0x3a
   a:	89 f0                	mov    %esi,%eax
   c:	25 00 00 41 00       	and    $0x410000,%eax
  11:	3d 00 00 41 00       	cmp    $0x410000,%eax
  16:	74 22                	je     0x3a
  18:	44 89 c2             	mov    %r8d,%edx
  1b:	4c 89 ce             	mov    %r9,%rsi
  1e:	bf 9c ff ff ff       	mov    $0xffffff9c,%edi
  23:	b8 01 01 00 00       	mov    $0x101,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 30                	ja     0x62
  32:	c3                   	ret
  33:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3a:	48 8d 44 24 08       	lea    0x8(%rsp),%rax
  3f:	c7                   	.byte 0xc7

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 30                	ja     0x38
   8:	c3                   	ret
   9:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  10:	48 8d 44 24 08       	lea    0x8(%rsp),%rax
  15:	c7                   	.byte 0xc7
[   87.662261][    C2] RSP: 002b:00007fffd30a0c28 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
[   87.662264][    C2] RAX: ffffffffffffffda RBX: 00007fffd30a0cff RCX: 00007f95d803ff68
[   87.662266][    C2] RDX: 0000000000080000 RSI: 00007f95d800e5f0 RDI: 00000000ffffff9c
[   87.662267][    C2] RBP: 00007fffd30a0c90 R08: 0000000000080000 R09: 00007f95d800e5f0
[   87.662269][    C2] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000
[   87.662271][    C2] R13: 00007fffd30a0d10 R14: 00007f95d800e5f0 R15: 00007fffd30a0d10
| [   90.666732][    C1] INFO: lockdep is turned off.
| [   90.666890][    C1] Preemption disabled at:
| [ 90.666892][ C1] handle_softirqs (kernel/softirq.c:553) 
| [   90.667216][    C1] Tainted: [W]=WARN
[   90.667218][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.667220][    C1] Call Trace:
[   90.667222][    C1]  <TASK>
[ 90.667224][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 90.667231][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 90.667236][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 90.667241][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 90.667245][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 90.667249][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 90.667255][ 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) 
[ 90.667259][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 90.667262][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 90.667268][ 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) 
[ 90.667272][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 90.667275][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 90.667280][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 90.667282][ 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) 
[ 90.667286][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 90.667290][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 90.667293][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 90.667298][ C1] ? kthread (kernel/kthread.c:464) 
[ 90.667303][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 90.667309][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 90.667315][ 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) 
[ 90.667321][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 90.667325][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 90.667329][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 90.667334][ C1] __put_net (net/core/net_namespace.c:732) 
[ 90.667339][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 90.667342][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 90.667345][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 90.667350][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 90.667354][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 90.667357][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 90.667364][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 90.667368][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 90.667373][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 90.667377][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 90.667380][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 90.667384][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 90.667387][ C1] kthread (kernel/kthread.c:464) 
[ 90.667394][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 90.667397][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 90.667400][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 90.667405][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 90.667409][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 90.667412][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 90.667415][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 90.667418][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   94.057053][    C0] INFO: lockdep is turned off.
| [   94.057248][    C0] Preemption disabled at:
| [ 94.057250][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [   94.057701][    C0] Tainted: [W]=WARN
[   94.057703][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.057705][    C0] Call Trace:
[   94.057707][    C0]  <IRQ>
[ 94.057708][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 94.057715][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 94.057721][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 94.057725][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 94.057729][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 94.057733][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 94.057739][ 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) 
[ 94.057744][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 94.057747][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 94.057753][ 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) 
[ 94.057757][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 94.057760][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 94.057765][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 94.057768][ 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) 
[ 94.057771][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 94.057776][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 94.057778][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 94.057785][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 94.057788][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 94.057792][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 94.057795][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 94.057799][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 94.057802][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 94.057806][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 94.057809][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 94.057812][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 94.057814][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 94.057820][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 94.057824][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 94.057829][ C0] __put_net (net/core/net_namespace.c:732) 
[ 94.057833][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 94.057836][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 94.057839][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 94.057844][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 94.057848][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 94.057853][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 94.057857][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 94.057863][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 94.057867][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 94.057870][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   94.057873][    C0]  </IRQ>
[   94.057874][    C0]  <TASK>
[ 94.057876][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 94.057879][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 94.057882][ C0] Code: 60 d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 c5 25 00 fb f4 <e9> 7c 57 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	60                   	(bad)
   1:	d3 00                	roll   %cl,(%rax)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d a3 c5 25 00 	verw   0x25c5a3(%rip)        # 0x25c5cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 7c 57 02 00       	jmp    0x257ab		<-- trapping instruction
  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:	e9 7c 57 02 00       	jmp    0x25781
   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
[   94.057885][    C0] RSP: 0018:ffffffffb2a07df8 EFLAGS: 00000246
[   94.057889][    C0] RAX: 0000000000000000 RBX: 1ffffffff6540fc3 RCX: ffffffffb1636a39
[   94.057891][    C0] RDX: ffffed100d9c667b RSI: ffffffffb1a53e00 RDI: ffffffffaeb9310f
[   94.057893][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9c667a
[   94.057894][    C0] R10: ffff88806ce333d3 R11: ffff888001b44b58 R12: 0000000000000000
[   94.057896][    C0] R13: ffffffffb2a33240 R14: dffffc0000000000 R15: 0000000000014770
[ 94.057900][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 94.057904][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 94.057909][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 94.057912][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 94.057915][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 94.057919][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 94.057923][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 94.057929][ C0] do_idle (kernel/sched/idle.c:325) 
[ 94.057932][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 94.057936][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 94.057939][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 94.057943][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 94.057947][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 94.057951][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  116.342950][    C1] INFO: lockdep is turned off.
| [  116.343236][    C1] Preemption disabled at:
| [ 116.343240][ C1] 0x0 
| [  116.343770][    C1] Tainted: [W]=WARN
[  116.343772][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.343776][    C1] Call Trace:
[  116.343778][    C1]  <IRQ>
[ 116.343782][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 116.343793][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 116.343802][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 116.343810][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 116.343817][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 116.343823][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 116.343831][ 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) 
[ 116.343839][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 116.343845][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 116.343853][ 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) 
[ 116.343860][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 116.343866][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 116.343873][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 116.343878][ 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) 
[ 116.343884][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 116.343891][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 116.343895][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 116.343903][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 116.343909][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 116.343915][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 116.343920][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 116.343926][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 116.343932][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 116.343938][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 116.343943][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 116.343949][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 116.343955][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 116.343960][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 116.343967][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 116.343976][ C1] __put_net (net/core/net_namespace.c:732) 
[ 116.343983][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 116.343988][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 116.343993][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 116.344002][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 116.344010][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 116.344017][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 116.344026][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 116.344033][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 116.344044][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 116.344050][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 116.344056][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  116.344062][    C1]  </IRQ>
[  116.344064][    C1]  <TASK>
[ 116.344067][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 116.344072][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 116.344079][ C1] Code: 60 d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 c5 25 00 fb f4 <e9> 7c 57 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	60                   	(bad)
   1:	d3 00                	roll   %cl,(%rax)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d a3 c5 25 00 	verw   0x25c5a3(%rip)        # 0x25c5cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 7c 57 02 00       	jmp    0x257ab		<-- trapping instruction
  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:	e9 7c 57 02 00       	jmp    0x25781
   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
[  116.344084][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  116.344090][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffb1636a39
[  116.344094][    C1] RDX: ffffed100d9d667b RSI: ffffffffb1a53e00 RDI: ffffffffaeb9310f
[  116.344097][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9d667a
[  116.344100][    C1] R10: ffff88806ceb33d3 R11: ffff88800584cb58 R12: 0000000000000000
[  116.344104][    C1] R13: ffff888001b58040 R14: dffffc0000000000 R15: 0000000000000000
[ 116.344111][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 116.344117][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 116.344125][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 116.344130][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 116.344135][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 116.344141][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 116.344148][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 116.344157][ C1] do_idle (kernel/sched/idle.c:325) 
[ 116.344164][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 116.344170][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 116.344177][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 116.344186][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  119.857968][    C0] INFO: lockdep is turned off.
| [  119.858127][    C0] Preemption disabled at:
| [ 119.858129][ C0] handle_softirqs (kernel/softirq.c:553) 
| [  119.858468][    C0] Tainted: [W]=WARN
[  119.858469][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  119.858471][    C0] Call Trace:
[  119.858473][    C0]  <TASK>
[ 119.858475][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 119.858483][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 119.858488][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 119.858493][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 119.858497][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 119.858501][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 119.858507][ 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) 
[ 119.858511][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 119.858514][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 119.858520][ 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) 
[ 119.858524][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 119.858528][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 119.858532][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 119.858535][ 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) 
[ 119.858539][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 119.858543][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 119.858545][ C0] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 119.858549][ C0] ? kthread (kernel/kthread.c:464) 
[ 119.858552][ C0] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 119.858556][ C0] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 119.858560][ C0] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2417) 
[ 119.858565][ C0] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 119.858569][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 119.858573][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 119.858578][ C0] __put_net (net/core/net_namespace.c:732) 
[ 119.858582][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 119.858585][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 119.858588][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 119.858593][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 119.858596][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 119.858600][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 119.858606][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 119.858611][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 119.858615][ C0] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 119.858619][ C0] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 119.858623][ C0] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 119.858626][ C0] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 119.858629][ C0] kthread (kernel/kthread.c:464) 
[ 119.858632][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 119.858635][ C0] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 119.858638][ C0] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 119.858643][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 119.858646][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 119.858650][ C0] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 119.858653][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 119.858656][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  122.800817][    C2] INFO: lockdep is turned off.
| [  122.801001][    C2] Preemption disabled at:
| [ 122.801003][ C2] 0x0 
| [  122.801346][    C2] Tainted: [W]=WARN
[  122.801348][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.801350][    C2] Call Trace:
[  122.801352][    C2]  <IRQ>
[ 122.801354][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 122.801362][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 122.801368][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 122.801373][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 122.801376][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 122.801381][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 122.801387][ 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) 
[ 122.801395][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 122.801398][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 122.801404][ 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) 
[ 122.801408][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 122.801412][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 122.801417][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 122.801420][ 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) 
[ 122.801424][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 122.801428][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 122.801430][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 122.801435][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 122.801439][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 122.801443][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 122.801446][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 122.801449][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 122.801453][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 122.801457][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 122.801459][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 122.801462][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 122.801466][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 122.801471][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 122.801475][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 122.801479][ C2] __put_net (net/core/net_namespace.c:732) 
[ 122.801484][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 122.801487][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 122.801490][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 122.801495][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 122.801499][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 122.801504][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 122.801510][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 122.801514][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 122.801520][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 122.801524][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 122.801527][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  122.801530][    C2]  </IRQ>
[  122.801531][    C2]  <TASK>
[ 122.801533][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 122.801536][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 122.801540][ C2] Code: 60 d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 c5 25 00 fb f4 <e9> 7c 57 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	60                   	(bad)
   1:	d3 00                	roll   %cl,(%rax)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d a3 c5 25 00 	verw   0x25c5a3(%rip)        # 0x25c5cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 7c 57 02 00       	jmp    0x257ab		<-- trapping instruction
  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:	e9 7c 57 02 00       	jmp    0x25781
   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
[  122.801543][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[  122.801546][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb1636a39
[  122.801548][    C2] RDX: ffffed100d9e667b RSI: ffffffffb1a53e00 RDI: ffffffffaeb9310f
[  122.801550][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9e667a
[  122.801552][    C2] R10: ffff88806cf333d3 R11: ffff888005854b58 R12: 0000000000000000
[  122.801553][    C2] R13: ffff888001b5a340 R14: dffffc0000000000 R15: 0000000000000000
[ 122.801558][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 122.801561][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 122.801565][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 122.801569][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 122.801572][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 122.801575][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 122.801579][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 122.801584][ C2] do_idle (kernel/sched/idle.c:325) 
[ 122.801588][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 122.801592][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 122.801595][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 122.801600][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  126.376781][    C1] INFO: lockdep is turned off.
| [  126.376939][    C1] Preemption disabled at:
| [ 126.376941][ C1] handle_softirqs (kernel/softirq.c:553) 
| [  126.377266][    C1] Tainted: [W]=WARN
[  126.377268][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.377270][    C1] Call Trace:
[  126.377272][    C1]  <TASK>
[ 126.377275][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 126.377282][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 126.377288][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 126.377292][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 126.377296][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 126.377300][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 126.377306][ 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) 
[ 126.377310][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 126.377313][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 126.377320][ 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) 
[ 126.377324][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 126.377328][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 126.377332][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 126.377335][ 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) 
[ 126.377339][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 126.377343][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 126.377345][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 126.377349][ C1] ? kthread (kernel/kthread.c:464) 
[ 126.377353][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 126.377357][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 126.377361][ 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) 
[ 126.377366][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 126.377370][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 126.377375][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 126.377379][ C1] __put_net (net/core/net_namespace.c:732) 
[ 126.377384][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 126.377387][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 126.377390][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 126.377397][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 126.377402][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 126.377406][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 126.377411][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 126.377415][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 126.377419][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 126.377423][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 126.377426][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 126.377429][ C1] kthread (kernel/kthread.c:464) 
[ 126.377433][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 126.377435][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 126.377438][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 126.377443][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 126.377447][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 126.377451][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 126.377454][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 126.377457][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  148.403722][    C1] INFO: lockdep is turned off.
| [  148.403881][    C1] Preemption disabled at:
| [ 148.403883][ C1] handle_softirqs (kernel/softirq.c:553) 
| [  148.404210][    C1] Tainted: [W]=WARN
[  148.404211][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.404213][    C1] Call Trace:
[  148.404215][    C1]  <TASK>
[ 148.404217][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 148.404225][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 148.404231][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 148.404236][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 148.404239][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 148.404244][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 148.404249][ 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) 
[ 148.404255][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 148.404258][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 148.404264][ 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) 
[ 148.404268][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 148.404272][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 148.404276][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 148.404279][ 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) 
[ 148.404283][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 148.404288][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 148.404290][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 148.404294][ C1] ? kthread (kernel/kthread.c:464) 
[ 148.404297][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 148.404302][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 148.404306][ 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) 
[ 148.404311][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 148.404314][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 148.404319][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 148.404323][ C1] __put_net (net/core/net_namespace.c:732) 
[ 148.404328][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 148.404331][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 148.404334][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 148.404339][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 148.404343][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 148.404346][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 148.404352][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 148.404357][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 148.404361][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 148.404366][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 148.404369][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 148.404372][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 148.404376][ C1] kthread (kernel/kthread.c:464) 
[ 148.404379][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 148.404381][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 148.404385][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 148.404390][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 148.404396][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 148.404399][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 148.404402][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 148.404405][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  151.790856][    C1] INFO: lockdep is turned off.
| [  151.791026][    C1] Preemption disabled at:
| [ 151.791028][ C1] 0x0 
| [  151.791388][    C1] Tainted: [W]=WARN
[  151.791391][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  151.791395][    C1] Call Trace:
[  151.791398][    C1]  <IRQ>
[ 151.791402][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 151.791413][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 151.791423][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 151.791431][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 151.791437][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 151.791444][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 151.791452][ 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) 
[ 151.791460][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 151.791465][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 151.791474][ 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) 
[ 151.791482][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 151.791488][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 151.791496][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 151.791500][ 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) 
[ 151.791506][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 151.791513][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 151.791517][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 151.791526][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 151.791532][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 151.791538][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 151.791544][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 151.791550][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 151.791555][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 151.791561][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 151.791566][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 151.791572][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 151.791578][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 151.791584][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 151.791589][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 151.791599][ C1] __put_net (net/core/net_namespace.c:732) 
[ 151.791604][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 151.791610][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 151.791616][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 151.791625][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 151.791633][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 151.791644][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 151.791651][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 151.791662][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 151.791668][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 151.791674][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  151.791680][    C1]  </IRQ>
[  151.791682][    C1]  <TASK>
[ 151.791684][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 151.791690][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 151.791696][ C1] Code: 60 d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 c5 25 00 fb f4 <e9> 7c 57 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	60                   	(bad)
   1:	d3 00                	roll   %cl,(%rax)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d a3 c5 25 00 	verw   0x25c5a3(%rip)        # 0x25c5cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 7c 57 02 00       	jmp    0x257ab		<-- trapping instruction
  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:	e9 7c 57 02 00       	jmp    0x25781
   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
[  151.791701][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  151.791707][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffb1636a39
[  151.791711][    C1] RDX: ffffed100d9d667b RSI: ffffffffb1a53e00 RDI: ffffffffaeb9310f
[  151.791714][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9d667a
[  151.791718][    C1] R10: ffff88806ceb33d3 R11: ffff88800584cb58 R12: 0000000000000000
[  151.791721][    C1] R13: ffff888001b58040 R14: dffffc0000000000 R15: 0000000000000000
[ 151.791728][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 151.791735][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 151.791743][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 151.791749][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 151.791755][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 151.791762][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 151.791770][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 151.791778][ C1] do_idle (kernel/sched/idle.c:325) 
[ 151.791784][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 151.791788][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 151.791791][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 151.791796][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  154.665882][    C1] INFO: lockdep is turned off.
| [  154.666051][    C1] Preemption disabled at:
| [ 154.666053][ C1] 0x0 
| [  154.666397][    C1] Tainted: [W]=WARN
[  154.666399][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  154.666401][    C1] Call Trace:
[  154.666403][    C1]  <IRQ>
[ 154.666405][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 154.666413][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 154.666419][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 154.666425][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 154.666428][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 154.666433][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 154.666438][ 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) 
[ 154.666443][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 154.666446][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 154.666451][ 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) 
[ 154.666455][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 154.666459][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 154.666464][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 154.666466][ 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) 
[ 154.666470][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 154.666474][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 154.666477][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 154.666482][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 154.666486][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 154.666490][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 154.666493][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 154.666497][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 154.666500][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 154.666504][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 154.666507][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 154.666510][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 154.666514][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 154.666517][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 154.666521][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 154.666526][ C1] __put_net (net/core/net_namespace.c:732) 
[ 154.666530][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 154.666534][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 154.666536][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 154.666541][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 154.666546][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 154.666551][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 154.666555][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 154.666565][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 154.666571][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 154.666576][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  154.666582][    C1]  </IRQ>
[  154.666583][    C1]  <TASK>
[ 154.666585][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 154.666588][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 154.666592][ C1] Code: 60 d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 c5 25 00 fb f4 <e9> 7c 57 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	60                   	(bad)
   1:	d3 00                	roll   %cl,(%rax)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d a3 c5 25 00 	verw   0x25c5a3(%rip)        # 0x25c5cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 7c 57 02 00       	jmp    0x257ab		<-- trapping instruction
  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:	e9 7c 57 02 00       	jmp    0x25781
   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
[  154.666595][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  154.666598][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffb1636a39
[  154.666600][    C1] RDX: ffffed100d9d667b RSI: ffffffffb1a53e00 RDI: ffffffffaeb9310f
[  154.666602][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9d667a
[  154.666604][    C1] R10: ffff88806ceb33d3 R11: ffff888001b44b58 R12: 0000000000000000
[  154.666606][    C1] R13: ffff888001b58040 R14: dffffc0000000000 R15: 0000000000000000
[ 154.666610][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 154.666614][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 154.666618][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 154.666622][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 154.666625][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 154.666628][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 154.666632][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 154.666637][ C1] do_idle (kernel/sched/idle.c:325) 
[ 154.666641][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 154.666644][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 154.666648][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 154.666652][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  157.996607][    C1] INFO: lockdep is turned off.
| [  157.996798][    C1] Preemption disabled at:
| [ 157.996800][ C1] handle_softirqs (kernel/softirq.c:553) 
| [  157.997203][    C1] Tainted: [W]=WARN
[  157.997204][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  157.997207][    C1] Workqueue: events virtio_fs_requests_done_work
[  157.997214][    C1] Call Trace:
[  157.997215][    C1]  <IRQ>
[ 157.997217][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 157.997224][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 157.997230][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 157.997235][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 157.997239][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 157.997244][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 157.997249][ 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) 
[ 157.997254][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 157.997257][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 157.997262][ 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) 
[ 157.997266][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 157.997269][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 157.997274][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 157.997276][ 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) 
[ 157.997280][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 157.997283][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 157.997286][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 157.997289][ C1] ? common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[ 157.997292][ C1] ? asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 157.997296][ C1] ? stack_access_ok (arch/x86/kernel/unwind_orc.c:398) 
[ 157.997302][ C1] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:403 arch/x86/kernel/unwind_orc.c:648) 
[ 157.997305][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 157.997309][ C1] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 157.997313][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 157.997317][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 157.997319][ C1] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 157.997323][ C1] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 157.997325][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 157.997329][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 157.997334][ C1] __put_net (net/core/net_namespace.c:732) 
[ 157.997338][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 157.997342][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 157.997344][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 157.997349][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 157.997353][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 157.997356][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 157.997362][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 157.997367][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 157.997373][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 157.997376][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 157.997379][ C1] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[  157.997382][    C1]  </IRQ>
[  157.997383][    C1]  <TASK>
[ 157.997385][ C1] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 157.997388][ C1] RIP: 0010:stack_access_ok (arch/x86/kernel/unwind_orc.c:398) 
[ 157.997391][ C1] Code: 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 f1 00 00 00 48 8b 73 28 48 89 da 48 89 ef e8 86 7b f5 ff 85 c0 74 15 31 c0 48 83 c4 08 5b <5d> 41 5c 41 5d 41 5e 41 5f e9 fd 3a c4 02 48 b8 00 00 00 00 00 fc
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   a:	0f 85 f1 00 00 00    	jne    0x101
  10:	48 8b 73 28          	mov    0x28(%rbx),%rsi
  14:	48 89 da             	mov    %rbx,%rdx
  17:	48 89 ef             	mov    %rbp,%rdi
  1a:	e8 86 7b f5 ff       	call   0xfffffffffff57ba5
  1f:	85 c0                	test   %eax,%eax
  21:	74 15                	je     0x38
  23:	31 c0                	xor    %eax,%eax
  25:	48 83 c4 08          	add    $0x8,%rsp
  29:	5b                   	pop    %rbx
  2a:*	5d                   	pop    %rbp		<-- trapping instruction
  2b:	41 5c                	pop    %r12
  2d:	41 5d                	pop    %r13
  2f:	41 5e                	pop    %r14
  31:	41 5f                	pop    %r15
  33:	e9 fd 3a c4 02       	jmp    0x2c43b35
  38:	48                   	rex.W
  39:	b8 00 00 00 00       	mov    $0x0,%eax
  3e:	00 fc                	add    %bh,%ah

Code starting with the faulting instruction
===========================================
   0:	5d                   	pop    %rbp
   1:	41 5c                	pop    %r12
   3:	41 5d                	pop    %r13
   5:	41 5e                	pop    %r14
   7:	41 5f                	pop    %r15
   9:	e9 fd 3a c4 02       	jmp    0x2c43b0b
   e:	48                   	rex.W
   f:	b8 00 00 00 00       	mov    $0x0,%eax
  14:	00 fc                	add    %bh,%ah
[  157.997395][    C1] RSP: 0000:ffffc900004175a8 EFLAGS: 00000296
[  157.997399][    C1] RAX: 0000000000000001 RBX: 1ffff92000082ec4 RCX: ffffc90000418000
[  157.997401][    C1] RDX: ffffc90000417b01 RSI: 0000000000000001 RDI: ffffc900004176d8
[  157.997403][    C1] RBP: ffffc90000417b78 R08: 0000000000000000 R09: ffffc90000417719
[  157.997405][    C1] R10: ffffffffaea173f7 R11: ffffc90000417718 R12: 0000000000000008
[  157.997407][    C1] R13: ffffc900004176e0 R14: ffffc900004176e8 R15: ffffc90000410000
[ 157.997410][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 157.997417][ C1] unwind_next_frame (arch/x86/kernel/unwind_orc.c:403 arch/x86/kernel/unwind_orc.c:648) 
[ 157.997420][ C1] ? virtio_fs_request_complete (./include/linux/spinlock.h:351 fs/fuse/virtio_fs.c:799) 
[ 157.997424][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 157.997428][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 157.997432][ C1] ? virtio_fs_request_complete (./include/linux/spinlock.h:351 fs/fuse/virtio_fs.c:799) 
[ 157.997435][ C1] ? kernel_text_address (kernel/extable.c:99) 
[ 157.997439][ C1] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 157.997443][ C1] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 157.997447][ C1] ? virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:851) 
[ 157.997451][ C1] stack_trace_save (kernel/stacktrace.c:123) 
[ 157.997454][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 157.997459][ C1] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 157.997461][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 157.997463][ C1] kasan_save_stack (mm/kasan/common.c:48) 
[ 157.997466][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 157.997468][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 157.997470][ C1] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 157.997473][ C1] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 157.997475][ C1] ? kfree (mm/slub.c:4642 mm/slub.c:4841) 
[ 157.997478][ C1] ? fuse_request_end (fs/fuse/dev.c:486) 
[ 157.997481][ C1] ? virtio_fs_request_complete (./include/linux/spinlock.h:351 fs/fuse/virtio_fs.c:799) 
[ 157.997484][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 157.997489][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 157.997491][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 157.997494][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 157.997498][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 157.997501][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 157.997505][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 157.997509][ C1] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 157.997516][ C1] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 157.997520][ C1] ? trace_rcu_segcb_stats (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736 ./include/trace/events/rcu.h:537) 
[ 157.997523][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 157.997526][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 157.997530][ C1] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 157.997532][ C1] kasan_save_free_info (mm/kasan/generic.c:579) 
[ 157.997536][ C1] __kasan_slab_free (mm/kasan/common.c:271) 
[ 157.997539][ C1] kfree (mm/slub.c:4642 mm/slub.c:4841) 
[ 157.997541][ C1] ? fuse_readpages_end (fs/fuse/file.c:937) 
[ 157.997544][ C1] ? fuse_request_end (fs/fuse/dev.c:486) 
[ 157.997546][ C1] ? __pfx_fuse_readpages_end (fs/fuse/file.c:935) 
[ 157.997550][ C1] fuse_request_end (fs/fuse/dev.c:486) 
[ 157.997554][ C1] virtio_fs_request_complete (./include/linux/spinlock.h:351 fs/fuse/virtio_fs.c:799) 
[ 157.997557][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 157.997561][ C1] virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:851) 
[ 157.997565][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 157.997569][ C1] ? __pfx_virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:814) 
[ 157.997574][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 157.997578][ C1] process_one_work (kernel/workqueue.c:3238) 
[ 157.997585][ C1] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 157.997591][ C1] ? assign_work (kernel/workqueue.c:1200) 
[ 157.997595][ C1] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 157.997601][ C1] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 157.997604][ C1] kthread (kernel/kthread.c:464) 
[ 157.997608][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 157.997611][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 157.997615][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 157.997619][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 157.997623][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 157.997626][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 157.997629][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 157.997632][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  179.240973][    C0] INFO: lockdep is turned off.
| [  179.241175][    C0] Preemption disabled at:
| [ 179.241177][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [  179.241653][    C0] Tainted: [W]=WARN
[  179.241654][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  179.241656][    C0] Call Trace:
[  179.241658][    C0]  <IRQ>
[ 179.241660][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 179.241665][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 179.241671][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 179.241675][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 179.241679][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 179.241683][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 179.241689][ 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) 
[ 179.241693][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 179.241696][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 179.241702][ 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) 
[ 179.241706][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 179.241710][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 179.241714][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 179.241716][ 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) 
[ 179.241720][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 179.241724][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 179.241726][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 179.241732][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 179.241736][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 179.241739][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 179.241743][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 179.241746][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 179.241750][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 179.241754][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 179.241757][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 179.241760][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 179.241762][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 179.241767][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 179.241771][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 179.241776][ C0] __put_net (net/core/net_namespace.c:732) 
[ 179.241780][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 179.241784][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 179.241786][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 179.241791][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 179.241796][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 179.241801][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 179.241805][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 179.241811][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 179.241815][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 179.241818][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  179.241821][    C0]  </IRQ>
[  179.241822][    C0]  <TASK>
[ 179.241824][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 179.241827][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 179.241830][ C0] Code: 60 d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 c5 25 00 fb f4 <e9> 7c 57 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	60                   	(bad)
   1:	d3 00                	roll   %cl,(%rax)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d a3 c5 25 00 	verw   0x25c5a3(%rip)        # 0x25c5cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 7c 57 02 00       	jmp    0x257ab		<-- trapping instruction
  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:	e9 7c 57 02 00       	jmp    0x25781
   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
[  179.241833][    C0] RSP: 0018:ffffffffb2a07df8 EFLAGS: 00000246
[  179.241836][    C0] RAX: 0000000000000000 RBX: 1ffffffff6540fc3 RCX: ffffffffb1636a39
[  179.241838][    C0] RDX: ffffed100d9c667b RSI: ffffffffb1a53e00 RDI: ffffffffaeb9310f
[  179.241840][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9c667a
[  179.241842][    C0] R10: ffff88806ce333d3 R11: ffff888001b44b58 R12: 0000000000000000
[  179.241843][    C0] R13: ffffffffb2a33240 R14: dffffc0000000000 R15: 0000000000014770
[ 179.241847][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 179.241851][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 179.241855][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 179.241859][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 179.241862][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 179.241865][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 179.241869][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 179.241876][ C0] do_idle (kernel/sched/idle.c:325) 
[ 179.241879][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 179.241883][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 179.241886][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 179.241890][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 179.241894][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 179.241898][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  182.507710][    C1] INFO: lockdep is turned off.
| [  182.507867][    C1] Preemption disabled at:
| [ 182.507869][ C1] handle_softirqs (kernel/softirq.c:553) 
| [  182.508212][    C1] Tainted: [W]=WARN
[  182.508214][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  182.508215][    C1] Call Trace:
[  182.508217][    C1]  <TASK>
[ 182.508220][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 182.508227][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 182.508232][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 182.508237][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 182.508240][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 182.508245][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 182.508250][ 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) 
[ 182.508255][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 182.508258][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 182.508264][ 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) 
[ 182.508268][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 182.508272][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 182.508277][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 182.508279][ 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) 
[ 182.508283][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 182.508288][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 182.508290][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 182.508294][ C1] ? kthread (kernel/kthread.c:464) 
[ 182.508297][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 182.508301][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 182.508306][ 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) 
[ 182.508311][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 182.508314][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 182.508319][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 182.508323][ C1] __put_net (net/core/net_namespace.c:732) 
[ 182.508328][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 182.508331][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 182.508334][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 182.508339][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 182.508343][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 182.508346][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 182.508352][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 182.508357][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 182.508361][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 182.508366][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 182.508369][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 182.508372][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 182.508376][ C1] kthread (kernel/kthread.c:464) 
[ 182.508379][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 182.508382][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 182.508385][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 182.508390][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 182.508397][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 182.508400][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 182.508403][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 182.508406][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  185.592999][    C1] INFO: lockdep is turned off.
| [  185.593185][    C1] Preemption disabled at:
| [ 185.593187][ C1] 0x0 
| [  185.593533][    C1] Tainted: [W]=WARN
[  185.593535][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  185.593537][    C1] Workqueue: events virtio_fs_requests_done_work
[  185.593545][    C1] Call Trace:
[  185.593547][    C1]  <IRQ>
[ 185.593549][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 185.593556][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 185.593562][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 185.593567][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 185.593571][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 185.593576][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 185.593581][ 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) 
[ 185.593586][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 185.593589][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 185.593593][ 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) 
[ 185.593598][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 185.593601][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 185.593605][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 185.593608][ 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) 
[ 185.593612][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 185.593616][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 185.593618][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 185.593623][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 185.593628][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 185.593631][ C1] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:406 arch/x86/kernel/unwind_orc.c:585) 
[ 185.593637][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 185.593641][ C1] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 185.593644][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 185.593648][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 185.593650][ C1] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 185.593654][ C1] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 185.593656][ C1] ? kfree (mm/slub.c:4642 mm/slub.c:4841) 
[ 185.593660][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 185.593664][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 185.593668][ C1] __put_net (net/core/net_namespace.c:732) 
[ 185.593672][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 185.593675][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 185.593678][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 185.593683][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 185.593687][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 185.593690][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 185.593697][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 185.593701][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 185.593707][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 185.593710][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 185.593713][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  185.593717][    C1]  </IRQ>
[  185.593718][    C1]  <TASK>
[ 185.593719][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 185.593722][ C1] RIP: 0010:unwind_next_frame (arch/x86/kernel/unwind_orc.c:406 arch/x86/kernel/unwind_orc.c:585) 
[ 185.593726][ C1] Code: ff ff 4d 8d 5d 40 84 c0 0f 84 24 f9 ff ff 4c 89 ff e8 49 e5 ff ff 4c 89 e1 48 89 c2 48 c1 e9 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 01 00 0f 85 d3 11 00 00 49 8d 45 28 49 89 55 58 49 8d 75 30
All code
========
   0:	ff                   	(bad)
   1:	ff 4d 8d             	decl   -0x73(%rbp)
   4:	5d                   	pop    %rbp
   5:	40 84 c0             	rex test %al,%al
   8:	0f 84 24 f9 ff ff    	je     0xfffffffffffff932
   e:	4c 89 ff             	mov    %r15,%rdi
  11:	e8 49 e5 ff ff       	call   0xffffffffffffe55f
  16:	4c 89 e1             	mov    %r12,%rcx
  19:	48 89 c2             	mov    %rax,%rdx
  1c:	48 c1 e9 03          	shr    $0x3,%rcx
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df 
  2a:*	80 3c 01 00          	cmpb   $0x0,(%rcx,%rax,1)		<-- trapping instruction
  2e:	0f 85 d3 11 00 00    	jne    0x1207
  34:	49 8d 45 28          	lea    0x28(%r13),%rax
  38:	49 89 55 58          	mov    %rdx,0x58(%r13)
  3c:	49 8d 75 30          	lea    0x30(%r13),%rsi

Code starting with the faulting instruction
===========================================
   0:	80 3c 01 00          	cmpb   $0x0,(%rcx,%rax,1)
   4:	0f 85 d3 11 00 00    	jne    0x11dd
   a:	49 8d 45 28          	lea    0x28(%r13),%rax
   e:	49 89 55 58          	mov    %rdx,0x58(%r13)
  12:	49 8d 75 30          	lea    0x30(%r13),%rsi
[  185.593729][    C1] RSP: 0018:ffffc900004175e8 EFLAGS: 00000a06
[  185.593732][    C1] RAX: dffffc0000000000 RBX: 1ffff92000082ec6 RCX: 1ffff92000082ee8
[  185.593734][    C1] RDX: ffffffffae6bc83a RSI: 0000000000000001 RDI: ffffc90000417f50
[  185.593736][    C1] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffc90000417729
[  185.593738][    C1] R10: ffffffffaea173f7 R11: ffffc90000417728 R12: ffffc90000417740
[  185.593739][    C1] R13: ffffc900004176e8 R14: ffffffffb3c493f2 R15: ffffc90000417f50
[ 185.593742][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 185.593746][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 185.593752][ C1] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:406 arch/x86/kernel/unwind_orc.c:585) 
[ 185.593755][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 185.593760][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 185.593764][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 185.593769][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 185.593772][ C1] ? kernel_text_address (kernel/extable.c:99) 
[ 185.593776][ C1] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 185.593780][ C1] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 185.593785][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 185.593789][ C1] stack_trace_save (kernel/stacktrace.c:123) 
[ 185.593792][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 185.593797][ C1] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 185.593799][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 185.593801][ C1] kasan_save_stack (mm/kasan/common.c:48) 
[ 185.593804][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 185.593806][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 185.593808][ C1] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 185.593811][ C1] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 185.593813][ C1] ? kfree (mm/slub.c:4642 mm/slub.c:4841) 
[ 185.593815][ C1] ? detach_buf_split (drivers/virtio/virtio_ring.c:799) 
[ 185.593820][ C1] ? virtqueue_get_buf_ctx_split (drivers/virtio/virtio_ring.c:854) 
[ 185.593824][ C1] ? virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:829) 
[ 185.593826][ C1] ? process_one_work (kernel/workqueue.c:3238) 
[ 185.593830][ C1] ? worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 185.593833][ C1] ? kthread (kernel/kthread.c:464) 
[ 185.593837][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 185.593840][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 185.593843][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 185.593846][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 185.593850][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 185.593853][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 185.593856][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 185.593861][ C1] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 185.593867][ C1] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 185.593871][ C1] ? trace_rcu_segcb_stats (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736 ./include/trace/events/rcu.h:537) 
[ 185.593874][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 185.593877][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 185.593881][ C1] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 185.593884][ C1] kasan_save_free_info (mm/kasan/generic.c:579) 
[ 185.593887][ C1] __kasan_slab_free (mm/kasan/common.c:271) 
[ 185.593890][ C1] kfree (mm/slub.c:4642 mm/slub.c:4841) 
[ 185.593892][ C1] ? detach_buf_split (drivers/virtio/virtio_ring.c:799) 
[ 185.593897][ C1] detach_buf_split (drivers/virtio/virtio_ring.c:799) 
[ 185.593903][ C1] virtqueue_get_buf_ctx_split (drivers/virtio/virtio_ring.c:854) 
[ 185.593908][ C1] virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:829) 
[ 185.593912][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 185.593916][ C1] ? __pfx_virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:814) 
[ 185.593920][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 185.593924][ C1] process_one_work (kernel/workqueue.c:3238) 
[ 185.593930][ C1] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 185.593936][ C1] ? assign_work (kernel/workqueue.c:1200) 
[ 185.593940][ C1] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 185.593945][ C1] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 185.593949][ C1] kthread (kernel/kthread.c:464) 
[ 185.593952][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 185.593955][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 185.593958][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 185.593962][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 185.593965][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 185.593968][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 185.593971][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 185.593974][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  188.977833][    C2] INFO: lockdep is turned off.
| [  188.978015][    C2] Preemption disabled at:
| [ 188.978017][ C2] 0x0 
| [  188.978360][    C2] Tainted: [W]=WARN
[  188.978361][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  188.978363][    C2] Call Trace:
[  188.978365][    C2]  <IRQ>
[ 188.978367][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 188.978375][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 188.978381][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 188.978386][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 188.978389][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 188.978397][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 188.978403][ 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) 
[ 188.978407][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 188.978410][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 188.978417][ 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) 
[ 188.978421][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 188.978424][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 188.978429][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 188.978431][ 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) 
[ 188.978435][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 188.978440][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 188.978442][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 188.978448][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 188.978452][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 188.978455][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 188.978458][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 188.978462][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 188.978465][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 188.978470][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 188.978473][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 188.978476][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 188.978480][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 188.978484][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 188.978488][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 188.978493][ C2] __put_net (net/core/net_namespace.c:732) 
[ 188.978497][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 188.978500][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 188.978503][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 188.978508][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 188.978512][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 188.978517][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 188.978523][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 188.978527][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 188.978533][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 188.978537][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 188.978540][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  188.978543][    C2]  </IRQ>
[  188.978544][    C2]  <TASK>
[ 188.978546][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 188.978549][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 188.978552][ C2] Code: 60 d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 c5 25 00 fb f4 <e9> 7c 57 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	60                   	(bad)
   1:	d3 00                	roll   %cl,(%rax)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d a3 c5 25 00 	verw   0x25c5a3(%rip)        # 0x25c5cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 7c 57 02 00       	jmp    0x257ab		<-- trapping instruction
  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:	e9 7c 57 02 00       	jmp    0x25781
   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
[  188.978555][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[  188.978559][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb1636a39
[  188.978561][    C2] RDX: ffffed100d9e667b RSI: ffffffffb1a53e00 RDI: ffffffffaeb9310f
[  188.978563][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9e667a
[  188.978565][    C2] R10: ffff88806cf333d3 R11: ffff888005854b58 R12: 0000000000000000
[  188.978566][    C2] R13: ffff888001b5a340 R14: dffffc0000000000 R15: 0000000000000000
[ 188.978570][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 188.978574][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 188.978578][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 188.978582][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 188.978585][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 188.978588][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 188.978592][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 188.978597][ C2] do_idle (kernel/sched/idle.c:325) 
[ 188.978601][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 188.978604][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 188.978608][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 188.978612][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  209.961124][    C0] INFO: lockdep is turned off.
| [  209.961346][    C0] Preemption disabled at:
| [ 209.961347][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [  209.961872][    C0] Tainted: [W]=WARN
[  209.961874][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  209.961876][    C0] Call Trace:
[  209.961877][    C0]  <IRQ>
[ 209.961879][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 209.961884][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 209.961890][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 209.961894][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 209.961898][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 209.961902][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 209.961908][ 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) 
[ 209.961912][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 209.961915][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 209.961921][ 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) 
[ 209.961925][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 209.961929][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 209.961933][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 209.961936][ 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) 
[ 209.961940][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 209.961944][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 209.961947][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 209.961953][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 209.961957][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 209.961960][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 209.961963][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 209.961967][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 209.961971][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 209.961975][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 209.961978][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 209.961981][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 209.961983][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 209.961989][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 209.961993][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 209.961997][ C0] __put_net (net/core/net_namespace.c:732) 
[ 209.962001][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 209.962005][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 209.962007][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 209.962012][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 209.962017][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 209.962022][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 209.962026][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 209.962032][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 209.962035][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 209.962039][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  209.962042][    C0]  </IRQ>
[  209.962043][    C0]  <TASK>
[ 209.962045][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 209.962048][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 209.962051][ C0] Code: 60 d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 c5 25 00 fb f4 <e9> 7c 57 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	60                   	(bad)
   1:	d3 00                	roll   %cl,(%rax)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d a3 c5 25 00 	verw   0x25c5a3(%rip)        # 0x25c5cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 7c 57 02 00       	jmp    0x257ab		<-- trapping instruction
  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:	e9 7c 57 02 00       	jmp    0x25781
   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
[  209.962054][    C0] RSP: 0018:ffffffffb2a07df8 EFLAGS: 00000246
[  209.962058][    C0] RAX: 0000000000000000 RBX: 1ffffffff6540fc3 RCX: ffffffffb1636a39
[  209.962061][    C0] RDX: ffffed100d9c667b RSI: ffffffffb1a53e00 RDI: ffffffffaeb9310f
[  209.962062][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9c667a
[  209.962064][    C0] R10: ffff88806ce333d3 R11: ffff888001b44b58 R12: 0000000000000000
[  209.962066][    C0] R13: ffffffffb2a33240 R14: dffffc0000000000 R15: 0000000000014770
[ 209.962070][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 209.962073][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 209.962078][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 209.962081][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 209.962084][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 209.962088][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 209.962092][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 209.962098][ C0] do_idle (kernel/sched/idle.c:325) 
[ 209.962102][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 209.962106][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 209.962109][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 209.962113][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 209.962118][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 209.962122][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  213.224924][    C0] INFO: lockdep is turned off.
| [  213.225114][    C0] Preemption disabled at:
| [ 213.225115][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [  213.225549][    C0] Tainted: [W]=WARN
[  213.225551][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  213.225553][    C0] Call Trace:
[  213.225555][    C0]  <IRQ>
[ 213.225556][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 213.225562][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 213.225568][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 213.225572][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 213.225576][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 213.225580][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 213.225586][ 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) 
[ 213.225590][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 213.225594][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 213.225599][ 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) 
[ 213.225604][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 213.225607][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 213.225611][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 213.225614][ 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) 
[ 213.225618][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 213.225622][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 213.225624][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 213.225630][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 213.225634][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 213.225638][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 213.225641][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 213.225645][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 213.225648][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 213.225652][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 213.225655][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 213.225658][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 213.225660][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 213.225666][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 213.225670][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 213.225675][ C0] __put_net (net/core/net_namespace.c:732) 
[ 213.225679][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 213.225682][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 213.225685][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 213.225690][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 213.225694][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 213.225701][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 213.225705][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 213.225711][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 213.225714][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 213.225718][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  213.225721][    C0]  </IRQ>
[  213.225722][    C0]  <TASK>
[ 213.225724][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 213.225726][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 213.225730][ C0] Code: 60 d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 c5 25 00 fb f4 <e9> 7c 57 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	60                   	(bad)
   1:	d3 00                	roll   %cl,(%rax)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d a3 c5 25 00 	verw   0x25c5a3(%rip)        # 0x25c5cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 7c 57 02 00       	jmp    0x257ab		<-- trapping instruction
  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:	e9 7c 57 02 00       	jmp    0x25781
   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
[  213.225733][    C0] RSP: 0018:ffffffffb2a07df8 EFLAGS: 00000246
[  213.225737][    C0] RAX: 0000000000000000 RBX: 1ffffffff6540fc3 RCX: ffffffffb1636a39
[  213.225739][    C0] RDX: ffffed100d9c667b RSI: ffffffffb1a53e00 RDI: ffffffffaeb9310f
[  213.225741][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9c667a
[  213.225743][    C0] R10: ffff88806ce333d3 R11: ffff88806ce27f4c R12: 0000000000000000
[  213.225745][    C0] R13: ffffffffb2a33240 R14: dffffc0000000000 R15: 0000000000014770
[ 213.225749][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 213.225752][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 213.225757][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 213.225760][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 213.225763][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 213.225766][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 213.225771][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 213.225777][ C0] do_idle (kernel/sched/idle.c:325) 
[ 213.225781][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 213.225784][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 213.225787][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 213.225791][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 213.225796][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 213.225800][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  216.115976][    C1] INFO: lockdep is turned off.
| [  216.116147][    C1] Preemption disabled at:
| [ 216.116149][ C1] 0x0 
| [  216.116507][    C1] Tainted: [W]=WARN
[  216.116509][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  216.116511][    C1] Call Trace:
[  216.116513][    C1]  <IRQ>
[ 216.116515][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 216.116523][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 216.116529][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 216.116534][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 216.116537][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 216.116542][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 216.116547][ 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) 
[ 216.116552][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 216.116555][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 216.116561][ 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) 
[ 216.116565][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 216.116569][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 216.116573][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 216.116576][ 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) 
[ 216.116580][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 216.116584][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 216.116586][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 216.116592][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 216.116596][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 216.116600][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 216.116603][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 216.116606][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 216.116610][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 216.116614][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 216.116617][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 216.116620][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 216.116624][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 216.116628][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 216.116632][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 216.116637][ C1] __put_net (net/core/net_namespace.c:732) 
[ 216.116641][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 216.116644][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 216.116647][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 216.116651][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 216.116655][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 216.116661][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 216.116666][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 216.116671][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 216.116677][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 216.116680][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 216.116684][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  216.116687][    C1]  </IRQ>
[  216.116688][    C1]  <TASK>
[ 216.116689][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 216.116692][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 216.116696][ C1] Code: 60 d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 c5 25 00 fb f4 <e9> 7c 57 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	60                   	(bad)
   1:	d3 00                	roll   %cl,(%rax)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d a3 c5 25 00 	verw   0x25c5a3(%rip)        # 0x25c5cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 7c 57 02 00       	jmp    0x257ab		<-- trapping instruction
  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:	e9 7c 57 02 00       	jmp    0x25781
   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
[  216.116699][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  216.116703][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffb1636a39
[  216.116705][    C1] RDX: ffffed100d9d667b RSI: ffffffffb1a53e00 RDI: ffffffffaeb9310f
[  216.116707][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9d667a
[  216.116709][    C1] R10: ffff88806ceb33d3 R11: ffff88800584cb58 R12: 0000000000000000
[  216.116710][    C1] R13: ffff888001b58040 R14: dffffc0000000000 R15: 0000000000000000
[ 216.116714][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 216.116718][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 216.116722][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 216.116725][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 216.116729][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 216.116732][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 216.116736][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 216.116741][ C1] do_idle (kernel/sched/idle.c:325) 
[ 216.116745][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 216.116748][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 216.116751][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 


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