======================================
| [  879.788083][    C0] 1 lock held by ksoftirqd/0/14:
| [ 879.788260][ C0] #0: ffffffff89f8b540 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [  879.788567][    C0]
| [  879.788567][    C0] stack backtrace:
[  879.788783][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  879.788785][    C0] Call Trace:
[  879.788787][    C0]  <TASK>
[ 879.788790][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 879.788797][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 879.788801][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 879.788805][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 879.788810][ C0] ? save_trace (kernel/locking/lockdep.c:595) 
[ 879.788817][ C0] mark_lock (kernel/locking/lockdep.c:4756) 
[ 879.788820][ C0] mark_usage (kernel/locking/lockdep.c:4645) 
[ 879.788823][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 879.788826][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 879.788830][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 879.788833][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 879.788836][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 879.788840][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 879.788842][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 879.788846][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 879.788849][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 879.788852][ C0] simple_pin_fs (fs/libfs.c:1067) 
[ 879.788855][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 879.788859][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 879.788865][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 879.788868][ 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:2376) 
[ 879.788874][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 879.788877][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 879.788880][ C0] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 879.788885][ C0] ? kthread (kernel/kthread.c:464) 
[ 879.788890][ C0] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 879.788892][ C0] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 879.788895][ C0] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 879.788899][ C0] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 879.788905][ C0] __put_net (net/core/net_namespace.c:732) 
[ 879.788911][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 879.788914][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 879.788917][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 879.788922][ C0] ? __schedule (kernel/sched/core.c:6658) 
[ 879.788928][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 879.788932][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 879.788935][ C0] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 879.788937][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 879.788943][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 879.788949][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 879.788953][ C0] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 879.788956][ C0] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 879.788959][ C0] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 879.788962][ C0] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 879.788966][ C0] kthread (kernel/kthread.c:464) 
[ 879.788970][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 879.788972][ C0] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 879.788975][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 879.788978][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 879.788981][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 879.788985][ C0] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 879.788987][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 879.788990][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  879.799483][    C0] RCU nest depth: 0, expected: 0
| [  879.799650][    C0] INFO: lockdep is turned off.
| [  879.799809][    C0] Preemption disabled at:
| [ 879.799811][ C0] handle_softirqs (kernel/softirq.c:553) 
[  879.800137][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  879.800139][    C0] Call Trace:
[  879.800140][    C0]  <TASK>
[ 879.800142][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 879.800148][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 879.800155][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 879.800159][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 879.800162][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 879.800167][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 879.800171][ 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) 
[ 879.800176][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 879.800180][ 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) 
[ 879.800183][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 879.800190][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 879.800194][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 879.800198][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 879.800200][ 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:2376) 
[ 879.800203][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 879.800208][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 879.800211][ C0] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 879.800216][ C0] ? kthread (kernel/kthread.c:464) 
[ 879.800220][ C0] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 879.800223][ C0] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 879.800227][ C0] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 879.800230][ C0] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 879.800235][ C0] __put_net (net/core/net_namespace.c:732) 
[ 879.800239][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 879.800243][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 879.800246][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 879.800250][ C0] ? __schedule (kernel/sched/core.c:6658) 
[ 879.800256][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 879.800260][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 879.800263][ C0] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 879.800266][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 879.800270][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 879.800274][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 879.800278][ C0] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 879.800282][ C0] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 879.800284][ C0] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 879.800288][ C0] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 879.800292][ C0] kthread (kernel/kthread.c:464) 
[ 879.800295][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 879.800298][ C0] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 879.800301][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 879.800304][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 879.800307][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 879.800311][ C0] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 879.800314][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 879.800317][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  883.951931][    C1] INFO: lockdep is turned off.
| [  883.952120][    C1] Preemption disabled at:
| [ 883.952122][ C1] 0x0 
| [  883.952470][    C1] Tainted: [W]=WARN
[  883.952471][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  883.952474][    C1] Call Trace:
[  883.952476][    C1]  <IRQ>
[ 883.952479][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 883.952490][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 883.952500][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 883.952505][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 883.952508][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 883.952513][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 883.952520][ 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) 
[ 883.952525][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 883.952529][ 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) 
[ 883.952532][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 883.952540][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 883.952544][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 883.952549][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 883.952552][ 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:2376) 
[ 883.952558][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 883.952563][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 883.952566][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 883.952572][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 883.952578][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 883.952582][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 883.952585][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 883.952588][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 883.952590][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 883.952594][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 883.952596][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 883.952598][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 883.952604][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 883.952610][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 883.952616][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 883.952621][ C1] __put_net (net/core/net_namespace.c:732) 
[ 883.952627][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 883.952630][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 883.952634][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 883.952640][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 883.952644][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 883.952650][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 883.952656][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 883.952662][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 883.952667][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 883.952670][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 883.952672][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  883.952676][    C1]  </IRQ>
[  883.952677][    C1]  <TASK>
[ 883.952678][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 883.952681][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 883.952685][ C1] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  883.952688][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  883.952692][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff8886a5f9
[  883.952695][    C1] RDX: ffffed100cb166fb RSI: ffffffff88c56840 RDI: ffffffff85d99f6f
[  883.952697][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100cb166fa
[  883.952699][    C1] R10: ffff8880658b37d3 R11: ffff88800af58558 R12: 0000000000000000
[  883.952701][    C1] R13: ffff888001b60040 R14: dffffc0000000000 R15: 0000000000000000
[ 883.952705][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 883.952709][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 883.952713][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 883.952715][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 883.952717][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 883.952720][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 883.952723][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 883.952728][ C1] do_idle (kernel/sched/idle.c:325) 
[ 883.952731][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 883.952734][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 883.952737][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 883.952743][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  886.825242][    C0] INFO: lockdep is turned off.
| [  886.825456][    C0] Preemption disabled at:
| [ 886.825458][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
| [  886.825949][    C0] Tainted: [W]=WARN
[  886.825951][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  886.825953][    C0] Call Trace:
[  886.825955][    C0]  <IRQ>
[ 886.825957][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 886.825965][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 886.825974][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 886.825978][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 886.825981][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 886.825986][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 886.825992][ 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) 
[ 886.825998][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 886.826001][ 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) 
[ 886.826004][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 886.826012][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 886.826016][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 886.826022][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 886.826025][ 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:2376) 
[ 886.826030][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 886.826036][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 886.826039][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 886.826045][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 886.826050][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 886.826054][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 886.826058][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 886.826060][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 886.826062][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 886.826066][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 886.826068][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 886.826070][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 886.826073][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 886.826080][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 886.826085][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 886.826090][ C0] __put_net (net/core/net_namespace.c:732) 
[ 886.826096][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 886.826099][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 886.826102][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 886.826108][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 886.826112][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 886.826117][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 886.826123][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 886.826128][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 886.826134][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 886.826137][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 886.826140][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  886.826144][    C0]  </IRQ>
[  886.826145][    C0]  <TASK>
[ 886.826146][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 886.826149][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 886.826153][ C0] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  886.826157][    C0] RSP: 0018:ffffffff89c07df8 EFLAGS: 00000246
[  886.826161][    C0] RAX: 0000000000000000 RBX: 1ffffffff1380fc3 RCX: ffffffff8886a5f9
[  886.826163][    C0] RDX: ffffed100cb066fb RSI: ffffffff88c56840 RDI: ffffffff85d99f6f
[  886.826165][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100cb066fa
[  886.826167][    C0] R10: ffff8880658337d3 R11: ffff888001b4a818 R12: 0000000000000000
[  886.826169][    C0] R13: ffffffff89c33240 R14: dffffc0000000000 R15: 0000000000014770
[ 886.826173][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 886.826177][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 886.826181][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 886.826183][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 886.826185][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 886.826188][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 886.826191][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 886.826198][ C0] do_idle (kernel/sched/idle.c:325) 
[ 886.826201][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 886.826203][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 886.826206][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 886.826210][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 886.826215][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 886.826219][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  890.220035][    C1] INFO: lockdep is turned off.
| [  890.220209][    C1] Preemption disabled at:
| [ 890.220210][ C1] 0x0 
| [  890.220531][    C1] Tainted: [W]=WARN
[  890.220532][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  890.220535][    C1] Call Trace:
[  890.220537][    C1]  <IRQ>
[ 890.220539][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 890.220550][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 890.220560][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 890.220565][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 890.220568][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 890.220573][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 890.220579][ 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) 
[ 890.220585][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 890.220588][ 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) 
[ 890.220592][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 890.220600][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 890.220603][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 890.220609][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 890.220612][ 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:2376) 
[ 890.220617][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 890.220623][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 890.220626][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 890.220632][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 890.220636][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 890.220641][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 890.220644][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 890.220647][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 890.220650][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 890.220653][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 890.220655][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 890.220657][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 890.220663][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 890.220669][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 890.220674][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 890.220678][ C1] __put_net (net/core/net_namespace.c:732) 
[ 890.220684][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 890.220688][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 890.220691][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 890.220697][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 890.220702][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 890.220707][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 890.220713][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 890.220719][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 890.220724][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 890.220727][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 890.220730][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  890.220733][    C1]  </IRQ>
[  890.220734][    C1]  <TASK>
[ 890.220736][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 890.220739][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 890.220743][ C1] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  890.220746][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  890.220750][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff8886a5f9
[  890.220752][    C1] RDX: ffffed100cb166fb RSI: ffffffff88c56840 RDI: ffffffff85d99f6f
[  890.220753][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100cb166fa
[  890.220756][    C1] R10: ffff8880658b37d3 R11: ffff88800af58558 R12: 0000000000000000
[  890.220757][    C1] R13: ffff888001b60040 R14: dffffc0000000000 R15: 0000000000000000
[ 890.220761][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 890.220765][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 890.220769][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 890.220771][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 890.220773][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 890.220776][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 890.220780][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 890.220784][ C1] do_idle (kernel/sched/idle.c:325) 
[ 890.220788][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 890.220790][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 890.220794][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 890.220800][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  911.531955][    C1] INFO: lockdep is turned off.
| [  911.532136][    C1] Preemption disabled at:
| [ 911.532138][ C1] 0x0 
| [  911.532460][    C1] Tainted: [W]=WARN
[  911.532461][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  911.532464][    C1] Call Trace:
[  911.532466][    C1]  <IRQ>
[ 911.532469][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 911.532480][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 911.532490][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 911.532495][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 911.532497][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 911.532503][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 911.532509][ 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) 
[ 911.532515][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 911.532518][ 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) 
[ 911.532521][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 911.532530][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 911.532533][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 911.532539][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 911.532542][ 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:2376) 
[ 911.532547][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 911.532553][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 911.532556][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 911.532562][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 911.532566][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 911.532571][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 911.532574][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 911.532577][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 911.532579][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 911.532583][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 911.532585][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 911.532587][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 911.532593][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 911.532599][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 911.532605][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 911.532610][ C1] __put_net (net/core/net_namespace.c:732) 
[ 911.532616][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 911.532619][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 911.532623][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 911.532628][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 911.532633][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 911.532638][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 911.532644][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 911.532649][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 911.532655][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 911.532658][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 911.532660][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  911.532664][    C1]  </IRQ>
[  911.532665][    C1]  <TASK>
[ 911.532667][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 911.532670][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 911.532674][ C1] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  911.532677][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  911.532680][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff8886a5f9
[  911.532682][    C1] RDX: ffffed100cb166fb RSI: ffffffff88c56840 RDI: ffffffff85d99f6f
[  911.532684][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100cb166fa
[  911.532686][    C1] R10: ffff8880658b37d3 R11: ffff88800af58558 R12: 0000000000000000
[  911.532688][    C1] R13: ffff888001b60040 R14: dffffc0000000000 R15: 0000000000000000
[ 911.532691][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 911.532696][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 911.532700][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 911.532702][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 911.532704][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 911.532707][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 911.532710][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 911.532715][ C1] do_idle (kernel/sched/idle.c:325) 
[ 911.532718][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 911.532720][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 911.532724][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 911.532730][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  914.853987][    C3] INFO: lockdep is turned off.
| [  914.854177][    C3] Preemption disabled at:
| [ 914.854179][ C3] 0x0 
| [  914.854534][    C3] Tainted: [W]=WARN
[  914.854536][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  914.854538][    C3] Call Trace:
[  914.854541][    C3]  <IRQ>
[ 914.854543][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 914.854553][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 914.854563][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 914.854568][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 914.854570][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 914.854576][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 914.854582][ 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) 
[ 914.854588][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 914.854591][ 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) 
[ 914.854594][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 914.854602][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 914.854606][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 914.854612][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 914.854615][ 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:2376) 
[ 914.854620][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 914.854626][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 914.854629][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 914.854635][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 914.854640][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 914.854644][ C3] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 914.854649][ C3] ? __filemap_add_folio (mm/filemap.c:941) 
[ 914.854655][ C3] ? filemap_add_folio (./include/linux/page-flags.h:547 mm/filemap.c:972) 
[ 914.854659][ C3] ? page_cache_ra_unbounded (mm/readahead.c:276) 
[ 914.854664][ C3] ? filemap_readahead.isra.0 (mm/filemap.c:2550) 
[ 914.854667][ C3] ? filemap_get_pages (mm/filemap.c:2605) 
[ 914.854670][ C3] ? filemap_read (mm/filemap.c:2702) 
[ 914.854673][ C3] ? do_iter_readv_writev (fs/read_write.c:825) 
[ 914.854677][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 914.854683][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 914.854688][ C3] __put_net (net/core/net_namespace.c:732) 
[ 914.854694][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 914.854697][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 914.854700][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 914.854706][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 914.854710][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 914.854713][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 914.854720][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 914.854725][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 914.854730][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 914.854733][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 914.854735][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  914.854739][    C3]  </IRQ>
[  914.854740][    C3]  <TASK>
[ 914.854742][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 914.854745][ C3] RIP: 0010:_raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 914.854749][ C3] Code: 0f 1f 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 e5 4c 56 fd 48 89 ef e8 9d 9f 56 fd e8 08 c6 7c fd fb bf 01 00 00 00 <e8> 2d 9d 4a fd 65 8b 05 66 3d 1f 03 85 c0 74 06 5d e9 0c 35 00 00
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 e5 4c 56 fd       	call   0xfffffffffd564cfc
  17:	48 89 ef             	mov    %rbp,%rdi
  1a:	e8 9d 9f 56 fd       	call   0xfffffffffd569fbc
  1f:	e8 08 c6 7c fd       	call   0xfffffffffd7cc62c
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 2d 9d 4a fd       	call   0xfffffffffd4a9d5c		<-- trapping instruction
  2f:	65 8b 05 66 3d 1f 03 	mov    %gs:0x31f3d66(%rip),%eax        # 0x31f3d9c
  36:	85 c0                	test   %eax,%eax
  38:	74 06                	je     0x40
  3a:	5d                   	pop    %rbp
  3b:	e9 0c 35 00 00       	jmp    0x354c

Code starting with the faulting instruction
===========================================
   0:	e8 2d 9d 4a fd       	call   0xfffffffffd4a9d32
   5:	65 8b 05 66 3d 1f 03 	mov    %gs:0x31f3d66(%rip),%eax        # 0x31f3d72
   c:	85 c0                	test   %eax,%eax
   e:	74 06                	je     0x16
  10:	5d                   	pop    %rbp
  11:	e9 0c 35 00 00       	jmp    0x3522
[  914.854752][    C3] RSP: 0018:ffffc9000133f420 EFLAGS: 00000246
[  914.854756][    C3] RAX: 0000000000000001 RBX: ffffc9000133f4b0 RCX: ffffffff860577af
[  914.854758][    C3] RDX: 0000000000000000 RSI: ffffffff88c56840 RDI: 0000000000000001
[  914.854759][    C3] RBP: ffff88800e76d210 R08: 0000000000000000 R09: 0000000000000000
[  914.854761][    C3] R10: ffffffff8aa7c7d7 R11: dffffc0000000000 R12: 0000000000000000
[  914.854762][    C3] R13: ffffea00003b72c0 R14: 0000000000000000 R15: 0000000000000000
[ 914.854766][ C3] ? 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:654 ./include/linux/cpumask.h:1210 ./include/trace/events/preemptirq.h:40) 
[ 914.854771][ C3] __filemap_add_folio (mm/filemap.c:941) 
[ 914.854777][ C3] ? __pfx___filemap_add_folio (mm/filemap.c:859) 
[ 914.854781][ C3] ? __pfx_workingset_update_node (mm/workingset.c:614) 
[ 914.854787][ C3] ? xa_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/xarray.c:1621) 
[ 914.854793][ C3] filemap_add_folio (./include/linux/page-flags.h:547 mm/filemap.c:972) 
[ 914.854797][ C3] ? __pfx_filemap_add_folio (mm/filemap.c:960) 
[ 914.854803][ C3] page_cache_ra_unbounded (mm/readahead.c:276) 
[ 914.854810][ C3] filemap_readahead.isra.0 (mm/filemap.c:2550) 
[ 914.854813][ C3] ? __pfx_filemap_readahead.isra.0 (mm/filemap.c:2550) 
[ 914.854818][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 914.854822][ C3] filemap_get_pages (mm/filemap.c:2605) 
[ 914.854828][ C3] ? __pfx_filemap_get_pages (mm/filemap.c:2566) 
[ 914.854832][ C3] ? post_alloc_hook (./arch/x86/include/asm/jump_label.h:36 ./include/linux/page_owner.h:31 mm/page_alloc.c:1710) 
[ 914.854839][ C3] ? copy_page_to_iter (lib/iov_iter.c:364 lib/iov_iter.c:349) 
[ 914.854846][ C3] filemap_read (mm/filemap.c:2702) 
[ 914.854849][ C3] ? post_alloc_hook (./arch/x86/include/asm/jump_label.h:36 ./include/linux/page_owner.h:31 mm/page_alloc.c:1710) 
[ 914.854856][ C3] ? __pfx_filemap_read (mm/filemap.c:2667) 
[ 914.854860][ C3] ? trace_mm_page_alloc (./include/trace/events/kmem.h:177 (discriminator 21)) 
[ 914.854864][ C3] ? __alloc_frozen_pages_noprof (mm/page_alloc.c:4936) 
[ 914.854868][ C3] ? __pfx___alloc_frozen_pages_noprof (mm/page_alloc.c:4936) 
[ 914.854872][ C3] ? __pfx_native_flush_tlb_one_user (arch/x86/mm/tlb.c:1603) 
[ 914.854878][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 914.854881][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 914.854886][ C3] ? fuse_update_get_attr (fs/fuse/dir.c:1340) 
[ 914.854891][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 914.854897][ C3] do_iter_readv_writev (fs/read_write.c:825) 
[ 914.854901][ C3] ? __pfx_do_iter_readv_writev (fs/read_write.c:814) 
[ 914.854903][ C3] ? __folio_batch_add_and_move (./include/linux/local_lock_internal.h:54 mm/swap.c:201) 
[ 914.854908][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 914.854911][ C3] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 914.854916][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 914.854921][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 914.854925][ C3] vfs_iter_read (fs/read_write.c:916) 
[ 914.854930][ C3] backing_file_read_iter (fs/backing-file.c:183) 
[ 914.854937][ C3] ovl_read_iter (fs/overlayfs/file.c:341) 
[ 914.854943][ C3] ? __pfx_ovl_read_iter (fs/overlayfs/file.c:326) 
[ 914.854947][ C3] ? __pfx_ovl_file_accessed (fs/overlayfs/file.c:298) 
[ 914.854952][ C3] ? __handle_mm_fault (mm/memory.c:6140) 
[ 914.854957][ C3] vfs_read (fs/read_write.c:491 fs/read_write.c:572) 
[ 914.854962][ C3] ? __pfx_vfs_read (fs/read_write.c:553) 
[ 914.854966][ C3] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 914.854970][ C3] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 914.854974][ C3] ksys_read (fs/read_write.c:715) 
[ 914.854977][ C3] ? __pfx_ksys_read (fs/read_write.c:705) 
[ 914.854980][ C3] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mm.h:704 ./include/linux/mm.h:799 arch/x86/mm/fault.c:1338) 
[ 914.854988][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 914.854994][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  914.854997][    C3] RIP: 0033:0x7f07024a2858
[ 914.855000][ C3] Code: 24 10 eb b1 66 0f 1f 44 00 00 48 8b 15 a1 55 0b 00 f7 d8 64 89 02 b8 ff ff ff ff eb a7 e8 50 9d 01 00 f3 0f 1e fa 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 08 c3 0f 1f 80 00 00 00 00 48 8b 15 71 55 0b
All code
========
   0:	24 10                	and    $0x10,%al
   2:	eb b1                	jmp    0xffffffffffffffb5
   4:	66 0f 1f 44 00 00    	nopw   0x0(%rax,%rax,1)
   a:	48 8b 15 a1 55 0b 00 	mov    0xb55a1(%rip),%rdx        # 0xb55b2
  11:	f7 d8                	neg    %eax
  13:	64 89 02             	mov    %eax,%fs:(%rdx)
  16:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
  1b:	eb a7                	jmp    0xffffffffffffffc4
  1d:	e8 50 9d 01 00       	call   0x19d72
  22:	f3 0f 1e fa          	endbr64
  26:	31 c0                	xor    %eax,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 08                	ja     0x3a
  32:	c3                   	ret
  33:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3a:	48                   	rex.W
  3b:	8b                   	.byte 0x8b
  3c:	15                   	.byte 0x15
  3d:	71 55                	jno    0x94
  3f:	0b                   	.byte 0xb

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 08                	ja     0x10
   8:	c3                   	ret
   9:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  10:	48                   	rex.W
  11:	8b                   	.byte 0x8b
  12:	15                   	.byte 0x15
  13:	71 55                	jno    0x6a
  15:	0b                   	.byte 0xb
[  914.855002][    C3] RSP: 002b:00007ffe54dee718 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  914.855005][    C3] RAX: ffffffffffffffda RBX: 00005573a6ad4650 RCX: 00007f07024a2858
[  914.855007][    C3] RDX: 0000000000001000 RSI: 00005573a6ad72e0 RDI: 0000000000000007
[  914.855009][    C3] RBP: 00007f07025555c0 R08: 0000000000000007 R09: 0000000000000000
[  914.855010][    C3] R10: 00007f07024fdac0 R11: 0000000000000246 R12: 00005573a6ad4650
[  914.855012][    C3] R13: 0000000000000d68 R14: 00007f07025549c0 R15: 0000000000000d68
| [  917.799600][    C1] INFO: lockdep is turned off.
| [  917.799864][    C1] Preemption disabled at:
| [ 917.799867][ C1] handle_softirqs (kernel/softirq.c:553) 
| [  917.800418][    C1] Tainted: [W]=WARN
[  917.800421][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  917.800424][    C1] Call Trace:
[  917.800427][    C1]  <TASK>
[ 917.800431][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 917.800444][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 917.800456][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 917.800463][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 917.800468][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 917.800476][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 917.800485][ 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) 
[ 917.800494][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 917.800499][ 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) 
[ 917.800504][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 917.800516][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 917.800522][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 917.800530][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 917.800536][ 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:2376) 
[ 917.800543][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 917.800551][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 917.800555][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 917.800564][ C1] ? kthread (kernel/kthread.c:464) 
[ 917.800570][ C1] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 917.800576][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 917.800585][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 917.800591][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 917.800597][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 917.800604][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 917.800612][ C1] __put_net (net/core/net_namespace.c:732) 
[ 917.800621][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 917.800627][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 917.800633][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 917.800639][ C1] ? __schedule (kernel/sched/core.c:6658) 
[ 917.800649][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 917.800657][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 917.800662][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 917.800672][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 917.800680][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 917.800688][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 917.800694][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 917.800699][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 917.800705][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 917.800712][ C1] kthread (kernel/kthread.c:464) 
[ 917.800718][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 917.800723][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 917.800727][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 917.800732][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 917.800737][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 917.800743][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 917.800747][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 917.800753][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  921.316676][    C1] INFO: lockdep is turned off.
| [  921.316829][    C1] Preemption disabled at:
| [ 921.316831][ C1] handle_softirqs (kernel/softirq.c:553) 
| [  921.317160][    C1] Tainted: [W]=WARN
[  921.317162][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  921.317164][    C1] Call Trace:
[  921.317166][    C1]  <TASK>
[ 921.317169][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 921.317178][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 921.317187][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 921.317192][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 921.317194][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 921.317200][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 921.317206][ 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) 
[ 921.317212][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 921.317215][ 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) 
[ 921.317218][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 921.317227][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 921.317230][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 921.317236][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 921.317239][ 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:2376) 
[ 921.317245][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 921.317251][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 921.317253][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 921.317259][ C1] ? kthread (kernel/kthread.c:464) 
[ 921.317264][ C1] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 921.317268][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 921.317274][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 921.317278][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 921.317282][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 921.317287][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 921.317292][ C1] __put_net (net/core/net_namespace.c:732) 
[ 921.317298][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 921.317301][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 921.317305][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 921.317309][ C1] ? __schedule (kernel/sched/core.c:6658) 
[ 921.317315][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 921.317320][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 921.317322][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 921.317328][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 921.317333][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 921.317337][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 921.317341][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 921.317343][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 921.317347][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 921.317351][ C1] kthread (kernel/kthread.c:464) 
[ 921.317354][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 921.317357][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 921.317360][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 921.317363][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 921.317366][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 921.317373][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 921.317376][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 921.317379][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  942.499880][    C2] INFO: lockdep is turned off.
| [  942.500071][    C2] Preemption disabled at:
| [ 942.500073][ C2] 0x0 
| [  942.500432][    C2] Tainted: [W]=WARN
[  942.500434][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  942.500436][    C2] Call Trace:
[  942.500438][    C2]  <IRQ>
[ 942.500440][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 942.500452][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 942.500461][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 942.500466][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 942.500469][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 942.500475][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 942.500480][ 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) 
[ 942.500487][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 942.500490][ 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) 
[ 942.500493][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 942.500502][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 942.500505][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 942.500511][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 942.500514][ 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:2376) 
[ 942.500519][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 942.500524][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 942.500527][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 942.500533][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 942.500538][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 942.500543][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 942.500547][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 942.500550][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 942.500552][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 942.500555][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 942.500557][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 942.500560][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 942.500566][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 942.500572][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 942.500577][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 942.500581][ C2] __put_net (net/core/net_namespace.c:732) 
[ 942.500588][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 942.500591][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 942.500595][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 942.500600][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 942.500606][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 942.500610][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 942.500615][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 942.500621][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 942.500624][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 942.500626][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  942.500629][    C2]  </IRQ>
[  942.500630][    C2]  <TASK>
[ 942.500632][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 942.500635][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 942.500639][ C2] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  942.500642][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[  942.500646][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff8886a5f9
[  942.500648][    C2] RDX: ffffed100cb266fb RSI: ffffffff88c56840 RDI: ffffffff85d99f6f
[  942.500650][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100cb266fa
[  942.500652][    C2] R10: ffff8880659337d3 R11: ffff888001b4cad8 R12: 0000000000000000
[  942.500654][    C2] R13: ffff888001b62300 R14: dffffc0000000000 R15: 0000000000000000
[ 942.500658][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 942.500662][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 942.500665][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 942.500667][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 942.500670][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 942.500673][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 942.500676][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 942.500680][ C2] do_idle (kernel/sched/idle.c:325) 
[ 942.500683][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 942.500686][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 942.500689][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 942.500695][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  945.844080][    C3] INFO: lockdep is turned off.
| [  945.844311][    C3] Preemption disabled at:
| [ 945.844314][ C3] __slab_alloc.constprop.0 (mm/slub.c:3945) 
| [  945.844760][    C3] Tainted: [W]=WARN
[  945.844762][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  945.844764][    C3] Call Trace:
[  945.844766][    C3]  <IRQ>
[ 945.844768][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 945.844779][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 945.844787][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 945.844792][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 945.844795][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 945.844800][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 945.844806][ 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) 
[ 945.844812][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 945.844816][ 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) 
[ 945.844818][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 945.844826][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 945.844830][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 945.844836][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 945.844839][ 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:2376) 
[ 945.844844][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 945.844850][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 945.844853][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 945.844859][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 945.844864][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 945.844869][ C3] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:577) 
[ 945.844874][ C3] ? __unwind_start (./arch/x86/include/asm/unwind.h:50 arch/x86/kernel/unwind_orc.c:755) 
[ 945.844876][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 945.844882][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 945.844888][ C3] ? set_track_prepare (mm/slub.c:936) 
[ 945.844892][ C3] ? ___slab_alloc (mm/slub.c:967 mm/slub.c:3848) 
[ 945.844895][ C3] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 945.844898][ C3] ? kmem_cache_alloc_lru_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4215) 
[ 945.844902][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 945.844907][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 945.844912][ C3] __put_net (net/core/net_namespace.c:732) 
[ 945.844918][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 945.844921][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 945.844924][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 945.844930][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 945.844934][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 945.844937][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 945.844943][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 945.844948][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 945.844954][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 945.844957][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 945.844960][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  945.844963][    C3]  </IRQ>
[  945.844964][    C3]  <TASK>
[ 945.844966][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 945.844968][ C3] RIP: 0010:unwind_next_frame (arch/x86/kernel/unwind_orc.c:577) 
[ 945.844972][ C3] Code: 84 c9 0f 95 c1 40 84 ce 0f 85 41 18 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 2c 18 00 00 49 0f bf 06 4c 01 f8 <48> 89 44 24 68 41 0f b6 46 05 83 e0 07 3c 03 0f 84 63 05 00 00 3c
All code
========
   0:	84 c9                	test   %cl,%cl
   2:	0f 95 c1             	setne  %cl
   5:	40 84 ce             	test   %cl,%sil
   8:	0f 85 41 18 00 00    	jne    0x184f
   e:	83 e0 07             	and    $0x7,%eax
  11:	38 c2                	cmp    %al,%dl
  13:	0f 9e c1             	setle  %cl
  16:	84 d2                	test   %dl,%dl
  18:	0f 95 c0             	setne  %al
  1b:	84 c1                	test   %al,%cl
  1d:	0f 85 2c 18 00 00    	jne    0x184f
  23:	49 0f bf 06          	movswq (%r14),%rax
  27:	4c 01 f8             	add    %r15,%rax
  2a:*	48 89 44 24 68       	mov    %rax,0x68(%rsp)		<-- trapping instruction
  2f:	41 0f b6 46 05       	movzbl 0x5(%r14),%eax
  34:	83 e0 07             	and    $0x7,%eax
  37:	3c 03                	cmp    $0x3,%al
  39:	0f 84 63 05 00 00    	je     0x5a2
  3f:	3c                   	.byte 0x3c

Code starting with the faulting instruction
===========================================
   0:	48 89 44 24 68       	mov    %rax,0x68(%rsp)
   5:	41 0f b6 46 05       	movzbl 0x5(%r14),%eax
   a:	83 e0 07             	and    $0x7,%eax
   d:	3c 03                	cmp    $0x3,%al
   f:	0f 84 63 05 00 00    	je     0x578
  15:	3c                   	.byte 0x3c
[  945.844975][    C3] RSP: 0018:ffffc9000271f980 EFLAGS: 00000282
[  945.844979][    C3] RAX: ffffc9000271fad0 RBX: 1ffff920004e3f39 RCX: 0000000000000001
[  945.844981][    C3] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff8ab0b424
[  945.844983][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffc9000271fb11
[  945.844985][    C3] R10: ffffffff85c1d687 R11: 0000000000000000 R12: ffffc9000271fb28
[  945.844987][    C3] R13: ffffc9000271fad0 R14: ffffffff8ae6c724 R15: ffffc9000271fa80
[ 945.844990][ C3] ? 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) 
[ 945.844995][ C3] ? __unwind_start (arch/x86/kernel/unwind_orc.c:712) 
[ 945.844999][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 945.845003][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 945.845006][ C3] ? get_stack_info_noinstr (arch/x86/kernel/dumpstack_64.c:173) 
[ 945.845011][ C3] __unwind_start (./arch/x86/include/asm/unwind.h:50 arch/x86/kernel/unwind_orc.c:755) 
[ 945.845014][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 945.845018][ C3] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 945.845023][ C3] ? __unwind_start (arch/x86/kernel/unwind_orc.c:712) 
[ 945.845027][ C3] stack_trace_save (kernel/stacktrace.c:123) 
[ 945.845031][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 945.845035][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 945.845038][ C3] set_track_prepare (mm/slub.c:936) 
[ 945.845041][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 945.845046][ C3] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 945.845051][ C3] ___slab_alloc (mm/slub.c:967 mm/slub.c:3848) 
[ 945.845055][ C3] ? sock_alloc_inode (net/socket.c:309) 
[ 945.845063][ C3] ? sock_alloc_inode (net/socket.c:309) 
[ 945.845066][ C3] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 945.845070][ C3] ? sock_alloc_inode (net/socket.c:309) 
[ 945.845073][ C3] kmem_cache_alloc_lru_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4215) 
[ 945.845076][ C3] ? iput_final (fs/inode.c:1898) 
[ 945.845081][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 945.845085][ C3] sock_alloc_inode (net/socket.c:309) 
[ 945.845088][ C3] alloc_inode (fs/inode.c:346) 
[ 945.845092][ C3] sock_alloc (./include/linux/fs.h:3336 net/socket.c:622) 
[ 945.845096][ C3] __sock_create (net/socket.c:1505) 
[ 945.845101][ C3] __sys_socket (net/socket.c:1638 net/socket.c:1621 net/socket.c:1683) 
[ 945.845106][ C3] ? __pfx___sys_socket (net/socket.c:1679) 
[ 945.845112][ C3] __x64_sys_socket (net/socket.c:1695) 
[ 945.845115][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 945.845121][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  945.845124][    C3] RIP: 0033:0x7fd8f68dbc4b
[ 945.845127][ C3] Code: 73 01 c3 48 8b 0d b5 91 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 85 91 1b 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d b5 91 1b 00 	mov    0x1b91b5(%rip),%rcx        # 0x1b91bf
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 29 00 00 00       	mov    $0x29,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 85 91 1b 00 	mov    0x1b9185(%rip),%rcx        # 0x1b91bf
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 85 91 1b 00 	mov    0x1b9185(%rip),%rcx        # 0x1b9195
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  945.845129][    C3] RSP: 002b:00007ffc6b0a0038 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
[  945.845132][    C3] RAX: ffffffffffffffda RBX: 00007ffc6b0a09c9 RCX: 00007fd8f68dbc4b
[  945.845134][    C3] RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000002
[  945.845136][    C3] RBP: 00007ffc6b0a00a0 R08: 0000000000000001 R09: 0000000000000000
[  945.845137][    C3] R10: 00007fd8f68a5c08 R11: 0000000000000202 R12: 00007ffc6b0a03f8
[  945.845139][    C3] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007fd8f6b17000
| [  948.971890][    C3] INFO: lockdep is turned off.
| [  948.972051][    C3] Preemption disabled at:
| [ 948.972053][ C3] handle_softirqs (kernel/softirq.c:553) 
| [  948.972402][    C3] Tainted: [W]=WARN
[  948.972403][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  948.972406][    C3] Call Trace:
[  948.972408][    C3]  <TASK>
[ 948.972410][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 948.972420][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 948.972429][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 948.972434][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 948.972437][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 948.972443][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 948.972448][ 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) 
[ 948.972455][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 948.972458][ 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) 
[ 948.972461][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 948.972469][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 948.972473][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 948.972480][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 948.972484][ 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:2376) 
[ 948.972491][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 948.972498][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 948.972503][ C3] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 948.972510][ C3] ? kthread (kernel/kthread.c:464) 
[ 948.972516][ C3] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 948.972522][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 948.972530][ C3] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 948.972536][ C3] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 948.972542][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 948.972549][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 948.972556][ C3] __put_net (net/core/net_namespace.c:732) 
[ 948.972564][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 948.972570][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 948.972576][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 948.972582][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 948.972587][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 948.972590][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 948.972596][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 948.972601][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 948.972606][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 948.972610][ C3] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 948.972612][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 948.972616][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 948.972621][ C3] kthread (kernel/kthread.c:464) 
[ 948.972625][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 948.972628][ C3] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 948.972630][ C3] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 948.972635][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 948.972638][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 948.972642][ C3] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 948.972644][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 948.972647][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  952.485790][    C1] INFO: lockdep is turned off.
| [  952.485973][    C1] Preemption disabled at:
| [ 952.485975][ C1] 0x0 
| [  952.486309][    C1] Tainted: [W]=WARN
[  952.486310][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  952.486312][    C1] Call Trace:
[  952.486314][    C1]  <IRQ>
[ 952.486317][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 952.486328][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 952.486338][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 952.486342][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 952.486345][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 952.486351][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 952.486357][ 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) 
[ 952.486363][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 952.486367][ 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) 
[ 952.486373][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 952.486381][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 952.486385][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 952.486391][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 952.486394][ 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:2376) 
[ 952.486399][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 952.486405][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 952.486408][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 952.486414][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 952.486419][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 952.486424][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 952.486428][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 952.486431][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 952.486433][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 952.486437][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 952.486439][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 952.486441][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 952.486447][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 952.486453][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 952.486459][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 952.486464][ C1] __put_net (net/core/net_namespace.c:732) 
[ 952.486470][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 952.486473][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 952.486477][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 952.486483][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 952.486487][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 952.486492][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 952.486499][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 952.486505][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 952.486510][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 952.486513][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 952.486515][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  952.486519][    C1]  </IRQ>
[  952.486520][    C1]  <TASK>
[ 952.486522][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 952.486525][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 952.486529][ C1] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  952.486532][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  952.486536][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff8886a5f9
[  952.486538][    C1] RDX: ffffed100cb166fb RSI: ffffffff88c56840 RDI: ffffffff85d99f6f
[  952.486540][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100cb166fa
[  952.486542][    C1] R10: ffff8880658b37d3 R11: ffff88800dd94ad8 R12: 0000000000000000
[  952.486544][    C1] R13: ffff888001b60040 R14: dffffc0000000000 R15: 0000000000000000
[ 952.486548][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 952.486552][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 952.486555][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 952.486557][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 952.486560][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 952.486563][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 952.486566][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 952.486571][ C1] do_idle (kernel/sched/idle.c:325) 
[ 952.486574][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 952.486577][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 952.486581][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 952.486587][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  974.891019][    C1] INFO: lockdep is turned off.
| [  974.891212][    C1] Preemption disabled at:
| [ 974.891214][ C1] 0x0 
| [  974.891586][    C1] Tainted: [W]=WARN
[  974.891588][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  974.891590][    C1] Call Trace:
[  974.891592][    C1]  <IRQ>
[ 974.891595][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 974.891605][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 974.891616][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 974.891621][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 974.891624][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 974.891629][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 974.891635][ 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) 
[ 974.891641][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 974.891644][ 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) 
[ 974.891647][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 974.891655][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 974.891659][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 974.891665][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 974.891668][ 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:2376) 
[ 974.891673][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 974.891679][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 974.891681][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 974.891687][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 974.891693][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 974.891697][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 974.891701][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 974.891703][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 974.891706][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 974.891710][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 974.891712][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 974.891714][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 974.891720][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 974.891726][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 974.891731][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 974.891736][ C1] __put_net (net/core/net_namespace.c:732) 
[ 974.891742][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 974.891745][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 974.891748][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 974.891754][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 974.891759][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 974.891764][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 974.891771][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 974.891776][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 974.891782][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 974.891785][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 974.891788][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  974.891791][    C1]  </IRQ>
[  974.891793][    C1]  <TASK>
[ 974.891794][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 974.891797][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 974.891802][ C1] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  974.891804][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  974.891808][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff8886a5f9
[  974.891811][    C1] RDX: ffffed100cb166fb RSI: ffffffff88c56840 RDI: ffffffff85d99f6f
[  974.891812][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100cb166fa
[  974.891815][    C1] R10: ffff8880658b37d3 R11: ffff88800dd94ad8 R12: 0000000000000000
[  974.891816][    C1] R13: ffff888001b60040 R14: dffffc0000000000 R15: 0000000000000000
[ 974.891820][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 974.891825][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 974.891828][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 974.891830][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 974.891833][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 974.891836][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 974.891839][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 974.891843][ C1] do_idle (kernel/sched/idle.c:325) 
[ 974.891846][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 974.891849][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 974.891853][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 974.891858][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  978.416029][    C1] INFO: lockdep is turned off.
| [  978.416186][    C1] Preemption disabled at:
| [ 978.416188][ C1] handle_softirqs (kernel/softirq.c:553) 
| [  978.416531][    C1] Tainted: [W]=WARN
[  978.416532][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  978.416535][    C1] Call Trace:
[  978.416537][    C1]  <TASK>
[ 978.416540][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 978.416550][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 978.416560][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 978.416564][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 978.416567][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 978.416573][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 978.416580][ 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) 
[ 978.416586][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 978.416589][ 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) 
[ 978.416592][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 978.416602][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 978.416605][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 978.416611][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 978.416614][ 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:2376) 
[ 978.416620][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 978.416626][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 978.416629][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 978.416635][ C1] ? kthread (kernel/kthread.c:464) 
[ 978.416639][ C1] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 978.416644][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 978.416650][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 978.416655][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 978.416658][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 978.416664][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 978.416668][ C1] __put_net (net/core/net_namespace.c:732) 
[ 978.416675][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 978.416678][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 978.416682][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 978.416687][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 978.416692][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 978.416695][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 978.416701][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 978.416706][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 978.416710][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 978.416713][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 978.416716][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 978.416719][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 978.416723][ C1] kthread (kernel/kthread.c:464) 
[ 978.416727][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 978.416730][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 978.416732][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 978.416736][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 978.416739][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 978.416743][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 978.416745][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 978.416749][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  981.411889][    C3] INFO: lockdep is turned off.
| [  981.412082][    C3] Preemption disabled at:
| [ 981.412084][ C3] 0x0 
| [  981.412449][    C3] Tainted: [W]=WARN
[  981.412450][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  981.412453][    C3] Call Trace:
[  981.412455][    C3]  <IRQ>
[ 981.412458][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 981.412469][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 981.412479][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 981.412484][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 981.412487][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 981.412493][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 981.412498][ 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) 
[ 981.412505][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 981.412508][ 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) 
[ 981.412511][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 981.412520][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 981.412523][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 981.412529][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 981.412532][ 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:2376) 
[ 981.412538][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 981.412543][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 981.412546][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 981.412552][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 981.412558][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 981.412563][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 981.412566][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 981.412569][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 981.412571][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 981.412575][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 981.412577][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 981.412579][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 981.412586][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 981.412591][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 981.412597][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 981.412602][ C3] __put_net (net/core/net_namespace.c:732) 
[ 981.412609][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 981.412612][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 981.412616][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 981.412621][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 981.412626][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 981.412630][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 981.412636][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 981.412641][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 981.412644][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 981.412646][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  981.412650][    C3]  </IRQ>
[  981.412651][    C3]  <TASK>
[ 981.412653][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 981.412656][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 981.412660][ C3] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  981.412663][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[  981.412668][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8886a5f9
[  981.412670][    C3] RDX: ffffed100cb366fb RSI: ffffffff88c56840 RDI: ffffffff85d99f6f
[  981.412672][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100cb366fa
[  981.412674][    C3] R10: ffff8880659b37d3 R11: ffff888001b4cad8 R12: 0000000000000000
[  981.412676][    C3] R13: ffff888001b645c0 R14: dffffc0000000000 R15: 0000000000000000
[ 981.412680][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 981.412684][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 981.412688][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 981.412690][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 981.412693][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 981.412695][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 981.412699][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 981.412703][ C3] do_idle (kernel/sched/idle.c:325) 
[ 981.412706][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 981.412709][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 981.412713][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 981.412718][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  985.004101][    C1] INFO: lockdep is turned off.
| [  985.004274][    C1] Preemption disabled at:
| [ 985.004276][ C1] handle_softirqs (kernel/softirq.c:553) 
| [  985.004656][    C1] Tainted: [W]=WARN
[  985.004657][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  985.004660][    C1] Call Trace:
[  985.004662][    C1]  <TASK>
[ 985.004665][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 985.004675][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 985.004684][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 985.004689][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 985.004691][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 985.004697][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 985.004703][ 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) 
[ 985.004709][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 985.004712][ 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) 
[ 985.004715][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 985.004723][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 985.004727][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 985.004733][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 985.004736][ 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:2376) 
[ 985.004741][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 985.004747][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 985.004749][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 985.004755][ C1] ? kthread (kernel/kthread.c:464) 
[ 985.004760][ C1] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 985.004764][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 985.004770][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 985.004774][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 985.004778][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 985.004783][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 985.004788][ C1] __put_net (net/core/net_namespace.c:732) 
[ 985.004794][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 985.004797][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 985.004801][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 985.004806][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 985.004811][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 985.004816][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 985.004821][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 985.004825][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 985.004829][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 985.004831][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 985.004835][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 985.004838][ C1] kthread (kernel/kthread.c:464) 
[ 985.004842][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 985.004845][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 985.004847][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 985.004851][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 985.004854][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 985.004858][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 985.004861][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 985.004864][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1007.333771][    C0] INFO: lockdep is turned off.
| [ 1007.334025][    C0] Preemption disabled at:
| [ 1007.334028][ C0] handle_softirqs (kernel/softirq.c:553) 
| [ 1007.334574][    C0] Tainted: [W]=WARN
[ 1007.334577][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1007.334580][    C0] Call Trace:
[ 1007.334583][    C0]  <TASK>
[ 1007.334587][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1007.334599][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 1007.334611][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1007.334618][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1007.334623][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1007.334631][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1007.334638][ 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) 
[ 1007.334645][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1007.334648][ 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) 
[ 1007.334652][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1007.334660][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1007.334663][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1007.334669][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1007.334672][ 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:2376) 
[ 1007.334678][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1007.334684][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1007.334686][ C0] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1007.334692][ C0] ? kthread (kernel/kthread.c:464) 
[ 1007.334698][ C0] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1007.334702][ C0] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 1007.334708][ C0] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 1007.334712][ C0] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 1007.334715][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1007.334721][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1007.334726][ C0] __put_net (net/core/net_namespace.c:732) 
[ 1007.334732][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1007.334735][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1007.334739][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1007.334743][ C0] ? __schedule (kernel/sched/core.c:6658) 
[ 1007.334749][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1007.334753][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1007.334756][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1007.334762][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 1007.334768][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 1007.334772][ C0] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 1007.334775][ C0] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 1007.334778][ C0] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1007.334781][ C0] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 1007.334785][ C0] kthread (kernel/kthread.c:464) 
[ 1007.334789][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1007.334792][ C0] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1007.334794][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1007.334798][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1007.334801][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1007.334805][ C0] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1007.334807][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1007.334811][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1010.853162][    C1] INFO: lockdep is turned off.
| [ 1010.853404][    C1] Preemption disabled at:
| [ 1010.853406][ C1] 0x0 
| [ 1010.853840][    C1] Tainted: [W]=WARN
[ 1010.853841][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1010.853843][    C1] Call Trace:
[ 1010.853846][    C1]  <IRQ>
[ 1010.853848][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1010.853859][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 1010.853870][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1010.853875][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1010.853877][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1010.853883][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1010.853889][ 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) 
[ 1010.853895][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1010.853899][ 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) 
[ 1010.853902][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1010.853910][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1010.853913][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1010.853920][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1010.853922][ 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:2376) 
[ 1010.853928][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1010.853934][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1010.853936][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1010.853942][ C1] ? common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[ 1010.853947][ C1] ? asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1010.853952][ C1] ? __rcu_read_unlock (kernel/rcu/tree_plugin.h:441 (discriminator 2)) 
[ 1010.853955][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1010.853960][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1010.853965][ C1] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 1010.853972][ C1] ? set_track_prepare (mm/slub.c:936) 
[ 1010.853977][ C1] ? ___slab_alloc (mm/slub.c:967 mm/slub.c:3848) 
[ 1010.853981][ C1] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 1010.853984][ C1] ? __kmalloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:4339) 
[ 1010.853988][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1010.853993][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1010.853997][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1010.854004][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1010.854007][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1010.854011][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1010.854017][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1010.854021][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1010.854024][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1010.854031][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 1010.854036][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 1010.854041][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1010.854044][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 1010.854047][ C1] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[ 1010.854050][    C1]  </IRQ>
[ 1010.854051][    C1]  <TASK>
[ 1010.854053][ C1] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1010.854055][ C1] RIP: 0010:__rcu_read_unlock (kernel/rcu/tree_plugin.h:441 (discriminator 2)) 
[ 1010.854059][ C1] Code: 00 00 85 c0 75 4b 65 48 8b 1d 00 99 be 05 48 8d bb 04 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 41 8b 83 04 04 00
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	85 c0                	test   %eax,%eax
   4:	75 4b                	jne    0x51
   6:	65 48 8b 1d 00 99 be 	mov    %gs:0x5be9900(%rip),%rbx        # 0x5be990e
   d:	05 
   e:	48 8d bb 04 04 00 00 	lea    0x404(%rbx),%rdi
  15:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1c:	fc ff df 
  1f:	48 89 fa             	mov    %rdi,%rdx
  22:	48 c1 ea 03          	shr    $0x3,%rdx
  26:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
  2a:*	48 89 f8             	mov    %rdi,%rax		<-- trapping instruction
  2d:	83 e0 07             	and    $0x7,%eax
  30:	83 c0 03             	add    $0x3,%eax
  33:	38 d0                	cmp    %dl,%al
  35:	7c 04                	jl     0x3b
  37:	84 d2                	test   %dl,%dl
  39:	75 41                	jne    0x7c
  3b:	8b                   	.byte 0x8b
  3c:	83 04 04 00          	addl   $0x0,(%rsp,%rax,1)

Code starting with the faulting instruction
===========================================
   0:	48 89 f8             	mov    %rdi,%rax
   3:	83 e0 07             	and    $0x7,%eax
   6:	83 c0 03             	add    $0x3,%eax
   9:	38 d0                	cmp    %dl,%al
   b:	7c 04                	jl     0x11
   d:	84 d2                	test   %dl,%dl
   f:	75 41                	jne    0x52
  11:	8b                   	.byte 0x8b
  12:	83 04 04 00          	addl   $0x0,(%rsp,%rax,1)
[ 1010.854062][    C1] RSP: 0000:ffffc9000160eec0 EFLAGS: 00000a07
[ 1010.854066][    C1] RAX: dffffc0000000000 RBX: ffff888005af8040 RCX: ffffc90001610001
[ 1010.854069][    C1] RDX: 0000000000000000 RSI: ffffffff88c56840 RDI: ffff888005af8444
[ 1010.854070][    C1] RBP: ffff888005af8040 R08: 0000000000000000 R09: ffffc9000160f021
[ 1010.854072][    C1] R10: ffffffff85c1d687 R11: ffffc9000160f020 R12: ffff888005af8040
[ 1010.854074][    C1] R13: ffffc9000160efe0 R14: ffffc90001608000 R15: ffffc9000160f268
[ 1010.854077][ 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) 
[ 1010.854082][ C1] unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1010.854085][ C1] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 1010.854090][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 1010.854094][ C1] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 1010.854097][ C1] ? kernel_text_address (kernel/extable.c:99) 
[ 1010.854103][ C1] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 1010.854107][ C1] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1010.854112][ C1] ? __kmalloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:4339) 
[ 1010.854117][ C1] stack_trace_save (kernel/stacktrace.c:123) 
[ 1010.854121][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 1010.854126][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1010.854129][ C1] set_track_prepare (mm/slub.c:936) 
[ 1010.854132][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1010.854137][ C1] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 1010.854142][ C1] ___slab_alloc (mm/slub.c:967 mm/slub.c:3848) 
[ 1010.854146][ C1] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 1010.854153][ C1] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 1010.854155][ C1] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 1010.854160][ C1] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 1010.854162][ C1] __kmalloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:4339) 
[ 1010.854167][ C1] virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 1010.854172][ C1] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 1010.854176][ C1] ? __pfx_virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1376) 
[ 1010.854180][ 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) 
[ 1010.854183][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1010.854186][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1010.854190][ C1] ? __pfx_map_id_range_up (kernel/user_namespace.c:382) 
[ 1010.854194][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1010.854197][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1010.854201][ 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) 
[ 1010.854204][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1010.854207][ C1] ? fuse_get_unique (fs/fuse/dev.c:317) 
[ 1010.854214][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1010.854217][ 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) 
[ 1010.854222][ C1] virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 1010.854225][ C1] ? fuse_send_one (fs/fuse/dev.c:400) 
[ 1010.854229][ C1] flush_bg_queue (fs/fuse/dev.c:418) 
[ 1010.854233][ C1] ? xa_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/xarray.c:1621) 
[ 1010.854238][ C1] fuse_request_queue_background (./include/linux/spinlock.h:391 fs/fuse/dev.c:728) 
[ 1010.854242][ C1] fuse_simple_background (fs/fuse/dev.c:753) 
[ 1010.854245][ C1] fuse_send_readpages (fs/fuse/file.c:995) 
[ 1010.854250][ C1] fuse_readahead (fs/fuse/file.c:1033) 
[ 1010.854256][ C1] ? __pfx_fuse_readahead (fs/fuse/file.c:1006) 
[ 1010.854258][ C1] ? trace_mm_filemap_add_to_page_cache (./include/trace/events/filemap.h:54 (discriminator 21)) 
[ 1010.854265][ C1] ? __filemap_add_folio (mm/filemap.c:949) 
[ 1010.854272][ C1] read_pages (./include/linux/pagemap.h:1404 ./include/linux/pagemap.h:1444 mm/readahead.c:162) 
[ 1010.854278][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1010.854283][ C1] ? __folio_batch_add_and_move (./arch/x86/include/asm/preempt.h:104 mm/swap.c:201) 
[ 1010.854288][ C1] ? __pfx_read_pages (mm/readahead.c:147) 
[ 1010.854295][ C1] page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 1010.854302][ C1] do_sync_mmap_readahead (mm/filemap.c:3263) 
[ 1010.854306][ C1] ? __pfx_do_sync_mmap_readahead (mm/filemap.c:3203) 
[ 1010.854309][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1010.854314][ C1] ? __filemap_get_folio (mm/filemap.c:1907) 
[ 1010.854319][ C1] filemap_fault (mm/filemap.c:3403) 
[ 1010.854323][ C1] ? __pfx_filemap_map_pages (mm/filemap.c:3692) 
[ 1010.854327][ C1] ? __pfx_filemap_fault (mm/filemap.c:3362) 
[ 1010.854330][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1010.854333][ C1] ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/memory.c:5479) 
[ 1010.854338][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1010.854340][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1010.854343][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1010.854347][ C1] __do_fault (mm/memory.c:5098) 
[ 1010.854350][ C1] do_pte_missing (mm/memory.c:5518 mm/memory.c:5652 mm/memory.c:4160) 
[ 1010.854353][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1010.854357][ C1] handle_pte_fault (mm/memory.c:5997) 
[ 1010.854360][ C1] ? kfree (mm/slub.c:4830) 
[ 1010.854364][ C1] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 1010.854367][ C1] ? ___sys_recvmsg (net/socket.c:2818) 
[ 1010.854373][ C1] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 1010.854377][ C1] __handle_mm_fault (mm/memory.c:6140) 
[ 1010.854380][ C1] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 1010.854382][ C1] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 1010.854389][ C1] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 1010.854393][ C1] handle_mm_fault (mm/memory.c:6321) 
[ 1010.854396][ C1] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 1010.854398][ C1] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:425) 
[ 1010.854405][ C1] do_user_addr_fault (arch/x86/mm/fault.c:1337) 
[ 1010.854412][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1010.854416][ C1] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 1010.854421][ C1] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[ 1010.854423][    C1] RIP: 0033:0x7f7570e8683d
[ 1010.854430][ C1] Code: Unable to access opcode bytes at 0x7f7570e86813.

Code starting with the faulting instruction
===========================================
[ 1010.854432][    C1] RSP: 002b:00007ffe6fb9bb90 EFLAGS: 00010246
[ 1010.854434][    C1] RAX: fffffffffffffff5 RBX: 0000000000000038 RCX: 00007f7570e8683d
[ 1010.854436][    C1] RDX: 0000000000000000 RSI: 00007ffe6fb9bc00 RDI: 0000000000000005
[ 1010.854437][    C1] RBP: 00007ffe6fb9cd10 R08: 00000000004185e0 R09: 0000000000000010
[ 1010.854439][    C1] R10: 00007f7570d471d8 R11: 0000000000000246 R12: 0000000000000054
[ 1010.854441][    C1] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007f7570fb2000
| [ 1013.875681][    C1] INFO: lockdep is turned off.
| [ 1013.875944][    C1] Preemption disabled at:
| [ 1013.875947][ C1] handle_softirqs (kernel/softirq.c:553) 
| [ 1013.876515][    C1] Tainted: [W]=WARN
[ 1013.876518][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1013.876521][    C1] Call Trace:
[ 1013.876524][    C1]  <TASK>
[ 1013.876528][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1013.876542][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 1013.876554][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1013.876561][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1013.876565][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1013.876574][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1013.876583][ 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) 
[ 1013.876592][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1013.876597][ 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) 
[ 1013.876602][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1013.876613][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1013.876618][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1013.876626][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1013.876630][ 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:2376) 
[ 1013.876638][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1013.876645][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1013.876650][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1013.876658][ C1] ? kthread (kernel/kthread.c:464) 
[ 1013.876665][ C1] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1013.876672][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 1013.876680][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 1013.876687][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 1013.876693][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1013.876700][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1013.876709][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1013.876718][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1013.876724][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1013.876730][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1013.876740][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1013.876748][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1013.876753][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1013.876764][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 1013.876772][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 1013.876780][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 1013.876787][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 1013.876792][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1013.876798][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 1013.876805][ C1] kthread (kernel/kthread.c:464) 
[ 1013.876812][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1013.876817][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1013.876820][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1013.876827][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1013.876832][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1013.876839][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1013.876842][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1013.876848][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1017.513347][    C0] INFO: lockdep is turned off.
| [ 1017.513555][    C0] Preemption disabled at:
| [ 1017.513557][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
| [ 1017.514018][    C0] Tainted: [W]=WARN
[ 1017.514020][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1017.514023][    C0] Call Trace:
[ 1017.514025][    C0]  <IRQ>
[ 1017.514027][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1017.514035][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 1017.514044][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1017.514048][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1017.514050][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1017.514056][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1017.514062][ 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) 
[ 1017.514068][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1017.514072][ 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) 
[ 1017.514075][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1017.514083][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1017.514086][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1017.514092][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1017.514095][ 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:2376) 
[ 1017.514101][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1017.514106][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1017.514109][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1017.514115][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1017.514120][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1017.514125][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1017.514128][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1017.514131][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1017.514133][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1017.514136][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 1017.514138][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1017.514141][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 1017.514143][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 1017.514151][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1017.514157][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1017.514162][ C0] __put_net (net/core/net_namespace.c:732) 
[ 1017.514168][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1017.514171][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1017.514175][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1017.514180][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1017.514185][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1017.514191][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1017.514197][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 1017.514202][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 1017.514208][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1017.514210][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 1017.514213][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1017.514216][    C0]  </IRQ>
[ 1017.514217][    C0]  <TASK>
[ 1017.514219][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1017.514221][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1017.514225][ C0] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1017.514228][    C0] RSP: 0018:ffffffff89c07df8 EFLAGS: 00000246
[ 1017.514233][    C0] RAX: 0000000000000000 RBX: 1ffffffff1380fc3 RCX: ffffffff8886a5f9
[ 1017.514235][    C0] RDX: ffffed100cb066fb RSI: ffffffff88c56840 RDI: ffffffff85d99f6f
[ 1017.514236][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100cb066fa
[ 1017.514238][    C0] R10: ffff8880658337d3 R11: ffff88800b8a0558 R12: 0000000000000000
[ 1017.514240][    C0] R13: ffffffff89c33240 R14: dffffc0000000000 R15: 0000000000014770
[ 1017.514244][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1017.514248][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1017.514252][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1017.514255][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1017.514257][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1017.514260][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1017.514264][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1017.514270][ C0] do_idle (kernel/sched/idle.c:325) 
[ 1017.514273][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1017.514276][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 1017.514279][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 1017.514283][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 1017.514288][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 1017.514294][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1039.786835][    C1] INFO: lockdep is turned off.
| [ 1039.787017][    C1] Preemption disabled at:
| [ 1039.787019][ C1] 0x0 
| [ 1039.787408][    C1] Tainted: [W]=WARN
[ 1039.787410][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1039.787412][    C1] Call Trace:
[ 1039.787414][    C1]  <IRQ>
[ 1039.787417][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1039.787428][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 1039.787438][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1039.787443][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1039.787445][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1039.787451][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1039.787457][ 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) 
[ 1039.787463][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1039.787466][ 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) 
[ 1039.787469][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1039.787478][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1039.787481][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1039.787487][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1039.787490][ 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:2376) 
[ 1039.787496][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1039.787501][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1039.787504][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1039.787510][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1039.787515][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1039.787520][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1039.787523][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1039.787526][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1039.787528][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1039.787532][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 1039.787534][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1039.787537][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1039.787543][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 1039.787549][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1039.787555][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1039.787560][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1039.787566][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1039.787569][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1039.787573][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1039.787578][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1039.787583][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1039.787588][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1039.787595][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 1039.787600][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 1039.787606][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1039.787609][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 1039.787611][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1039.787615][    C1]  </IRQ>
[ 1039.787616][    C1]  <TASK>
[ 1039.787618][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1039.787621][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1039.787625][ C1] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1039.787628][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[ 1039.787632][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff8886a5f9
[ 1039.787634][    C1] RDX: ffffed100cb166fb RSI: ffffffff88c56840 RDI: ffffffff85d99f6f
[ 1039.787635][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100cb166fa
[ 1039.787637][    C1] R10: ffff8880658b37d3 R11: ffff8880096e2818 R12: 0000000000000000
[ 1039.787639][    C1] R13: ffff888001b60040 R14: dffffc0000000000 R15: 0000000000000000
[ 1039.787643][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1039.787647][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1039.787651][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1039.787653][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1039.787656][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1039.787659][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1039.787662][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1039.787666][ C1] do_idle (kernel/sched/idle.c:325) 
[ 1039.787670][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1039.787673][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1039.787677][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 1039.787682][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1043.298754][    C1] INFO: lockdep is turned off.
| [ 1043.298910][    C1] Preemption disabled at:
| [ 1043.298912][ C1] handle_softirqs (kernel/softirq.c:553) 
| [ 1043.299254][    C1] Tainted: [W]=WARN
[ 1043.299255][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1043.299258][    C1] Call Trace:
[ 1043.299260][    C1]  <TASK>
[ 1043.299262][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1043.299272][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 1043.299281][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1043.299286][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1043.299289][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1043.299295][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1043.299301][ 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) 
[ 1043.299306][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1043.299310][ 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) 
[ 1043.299313][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1043.299321][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1043.299324][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1043.299330][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1043.299333][ 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:2376) 
[ 1043.299338][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1043.299344][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1043.299346][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1043.299352][ C1] ? kthread (kernel/kthread.c:464) 
[ 1043.299357][ C1] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1043.299361][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 1043.299367][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 1043.299374][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 1043.299378][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1043.299383][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1043.299387][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1043.299394][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1043.299397][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1043.299401][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1043.299405][ C1] ? __schedule (kernel/sched/core.c:6658) 
[ 1043.299411][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1043.299415][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1043.299418][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1043.299425][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 1043.299430][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 1043.299434][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 1043.299437][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 1043.299440][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1043.299444][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 1043.299448][ C1] kthread (kernel/kthread.c:464) 
[ 1043.299452][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1043.299455][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1043.299457][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1043.299461][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1043.299464][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1043.299468][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1043.299470][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1043.299474][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1046.250020][    C3] INFO: lockdep is turned off.
| [ 1046.250240][    C3] Preemption disabled at:
| [ 1046.250242][ C3] 0x0 
| [ 1046.250643][    C3] Tainted: [W]=WARN
[ 1046.250644][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1046.250647][    C3] Call Trace:
[ 1046.250649][    C3]  <IRQ>
[ 1046.250651][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1046.250662][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 1046.250672][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1046.250677][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1046.250681][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1046.250688][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1046.250697][ 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) 
[ 1046.250705][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1046.250708][ 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) 
[ 1046.250711][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1046.250719][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1046.250723][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1046.250729][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1046.250732][ 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:2376) 
[ 1046.250737][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1046.250743][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1046.250746][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1046.250759][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1046.250764][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1046.250769][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1046.250773][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1046.250776][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1046.250778][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1046.250782][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 1046.250784][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1046.250786][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1046.250792][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 1046.250798][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1046.250803][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1046.250808][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1046.250814][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1046.250818][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1046.250821][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1046.250827][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1046.250832][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1046.250837][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 1046.250842][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 1046.250848][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1046.250850][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 1046.250853][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1046.250856][    C3]  </IRQ>
[ 1046.250858][    C3]  <TASK>
[ 1046.250860][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1046.250865][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1046.250871][ C3] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1046.250876][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[ 1046.250882][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8886a5f9
[ 1046.250884][    C3] RDX: ffffed100cb366fb RSI: ffffffff88c56840 RDI: ffffffff85d99f6f
[ 1046.250886][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100cb366fa
[ 1046.250888][    C3] R10: ffff8880659b37d3 R11: ffff888001b4cad8 R12: 0000000000000000
[ 1046.250890][    C3] R13: ffff888001b645c0 R14: dffffc0000000000 R15: 0000000000000000
[ 1046.250894][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1046.250898][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1046.250902][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1046.250904][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1046.250907][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1046.250910][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1046.250913][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1046.250917][ C3] do_idle (kernel/sched/idle.c:325) 
[ 1046.250921][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1046.250923][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1046.250927][ C3] ? __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