======================================
| [   20.593835][    C3] 1 lock held by ksoftirqd/3/32:
| [ 20.594007][ C3] #0: ffffffffb5177c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   20.594322][    C3]
| [   20.594322][    C3] stack backtrace:
[   20.594543][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.594545][    C3] Call Trace:
[   20.594548][    C3]  <TASK>
[ 20.594550][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 20.594559][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 20.594564][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 20.594571][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 20.594578][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 20.594582][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 20.594586][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 20.594590][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 20.594593][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.594598][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 20.594601][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 20.594605][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.594610][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 20.594613][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 20.594618][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 20.594621][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 20.594624][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 20.594628][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 20.594631][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 20.594645][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 20.594649][ 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) 
[ 20.594659][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 20.594662][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 20.594665][ C3] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 20.594669][ C3] ? kthread (kernel/kthread.c:464) 
[ 20.594673][ C3] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 20.594676][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 20.594679][ 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) 
[ 20.594684][ C3] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 20.594689][ C3] __put_net (net/core/net_namespace.c:732) 
[ 20.594693][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 20.594697][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 20.594700][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 20.594705][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 20.594709][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.594713][ C3] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 20.594716][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.594724][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 20.594727][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 20.594732][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 20.594736][ C3] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 20.594739][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 20.594743][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 20.594746][ C3] kthread (kernel/kthread.c:464) 
[ 20.594750][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 20.594752][ C3] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 20.594755][ C3] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.594759][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.594763][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 20.594766][ C3] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 20.594769][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 20.594772][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   20.605053][    C3] RCU nest depth: 0, expected: 0
| [   20.605218][    C3] INFO: lockdep is turned off.
| [   20.605382][    C3] Preemption disabled at:
| [ 20.605384][ C3] handle_softirqs (kernel/softirq.c:553) 
[   20.605723][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.605725][    C3] Call Trace:
[   20.605727][    C3]  <TASK>
[ 20.605728][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 20.605734][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 20.605739][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 20.605744][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 20.605747][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 20.605750][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.605754][ 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) 
[ 20.605759][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 20.605762][ 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) 
[ 20.605764][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 20.605770][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 20.605773][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 20.605777][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 20.605781][ 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) 
[ 20.605785][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 20.605788][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 20.605792][ C3] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 20.605794][ C3] ? kthread (kernel/kthread.c:464) 
[ 20.605798][ C3] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 20.605801][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 20.605805][ 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) 
[ 20.605809][ C3] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 20.605815][ C3] __put_net (net/core/net_namespace.c:732) 
[ 20.605818][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 20.605822][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 20.605825][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 20.605830][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 20.605834][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.605838][ C3] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 20.605841][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.605847][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 20.605850][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 20.605854][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 20.605859][ C3] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 20.605864][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 20.605867][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 20.605870][ C3] kthread (kernel/kthread.c:464) 
[ 20.605874][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 20.605876][ C3] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 20.605879][ C3] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.605883][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.605887][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 20.605891][ C3] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 20.605894][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 20.605897][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   23.016767][    C2] INFO: lockdep is turned off.
| [   23.016955][    C2] Preemption disabled at:
| [ 23.016956][ C2] 0x0 
| [   23.017299][    C2] Tainted: [W]=WARN
[   23.017301][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.017303][    C2] Call Trace:
[   23.017305][    C2]  <IRQ>
[ 23.017307][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 23.017315][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 23.017321][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 23.017326][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 23.017329][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 23.017333][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.017340][ 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) 
[ 23.017344][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 23.017347][ 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) 
[ 23.017350][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 23.017356][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 23.017359][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 23.017365][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 23.017369][ 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) 
[ 23.017375][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 23.017379][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 23.017383][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 23.017386][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 23.017391][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 23.017404][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 23.017408][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 23.017410][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 23.017413][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 23.017421][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 23.017424][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 23.017427][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 23.017434][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 23.017441][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 23.017448][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.017453][ C2] __put_net (net/core/net_namespace.c:732) 
[ 23.017457][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 23.017461][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 23.017464][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 23.017469][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 23.017473][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 23.017485][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.017491][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 23.017495][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 23.017502][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 23.017506][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 23.017508][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   23.017511][    C2]  </IRQ>
[   23.017513][    C2]  <TASK>
[ 23.017514][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 23.017517][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 23.017521][ C2] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   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
[   23.017524][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   23.017529][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb40125d9
[   23.017531][    C2] RDX: ffffed1006c266fb RSI: ffffffffb4458b60 RDI: ffffffffb178f5bf
[   23.017533][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   23.017534][    C2] R10: ffff8880361337d3 R11: ffff888002154b58 R12: 0000000000000000
[   23.017536][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 23.017540][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 23.017543][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 23.017547][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 23.017549][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 23.017552][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 23.017556][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 23.017562][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 23.017567][ C2] do_idle (kernel/sched/idle.c:325) 
[ 23.017570][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 23.017576][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 23.017579][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 23.017584][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   26.709641][    C2] INFO: lockdep is turned off.
| [   26.709829][    C2] Preemption disabled at:
| [ 26.709831][ C2] 0x0 
| [   26.710177][    C2] Tainted: [W]=WARN
[   26.710178][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.710181][    C2] Call Trace:
[   26.710182][    C2]  <IRQ>
[ 26.710185][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 26.710193][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 26.710200][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 26.710205][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 26.710208][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 26.710213][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.710219][ 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) 
[ 26.710224][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 26.710227][ 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) 
[ 26.710230][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 26.710236][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 26.710239][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 26.710245][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 26.710248][ 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) 
[ 26.710254][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 26.710259][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 26.710262][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 26.710266][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 26.710270][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 26.710274][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 26.710277][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 26.710280][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 26.710283][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 26.710287][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 26.710290][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 26.710293][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 26.710298][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 26.710301][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 26.710313][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.710318][ C2] __put_net (net/core/net_namespace.c:732) 
[ 26.710322][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 26.710326][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 26.710329][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 26.710334][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 26.710338][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 26.710344][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.710349][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 26.710353][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 26.710360][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 26.710364][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 26.710366][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   26.710370][    C2]  </IRQ>
[   26.710371][    C2]  <TASK>
[ 26.710372][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 26.710375][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 26.710379][ C2] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   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
[   26.710382][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   26.710386][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb40125d9
[   26.710388][    C2] RDX: ffffed1006c266fb RSI: ffffffffb4458b60 RDI: ffffffffb178f5bf
[   26.710390][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   26.710391][    C2] R10: ffff8880361337d3 R11: ffff888007b6a858 R12: 0000000000000000
[   26.710393][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 26.710400][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 26.710403][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 26.710407][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 26.710409][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 26.710412][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 26.710415][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 26.710420][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 26.710425][ C2] do_idle (kernel/sched/idle.c:325) 
[ 26.710429][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 26.710432][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 26.710435][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 26.710440][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   30.434760][    C0] INFO: lockdep is turned off.
| [   30.434953][    C0] Preemption disabled at:
| [ 30.434955][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
| [   30.435402][    C0] Tainted: [W]=WARN
[   30.435404][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.435406][    C0] Call Trace:
[   30.435408][    C0]  <IRQ>
[ 30.435410][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 30.435416][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 30.435423][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 30.435426][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 30.435429][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 30.435433][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.435439][ 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) 
[ 30.435444][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 30.435447][ 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) 
[ 30.435449][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 30.435455][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 30.435458][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 30.435464][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 30.435468][ 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) 
[ 30.435473][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 30.435478][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 30.435481][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 30.435485][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 30.435489][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 30.435492][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 30.435496][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 30.435498][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 30.435501][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 30.435505][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 30.435508][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 30.435511][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 30.435513][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 30.435519][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 30.435523][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.435528][ C0] __put_net (net/core/net_namespace.c:732) 
[ 30.435532][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 30.435536][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 30.435539][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 30.435544][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 30.435548][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 30.435554][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.435560][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 30.435564][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 30.435570][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 30.435574][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 30.435576][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   30.435579][    C0]  </IRQ>
[   30.435580][    C0]  <TASK>
[ 30.435582][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 30.435585][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 30.435589][ C0] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   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
[   30.435592][    C0] RSP: 0018:ffffffffb4e07df8 EFLAGS: 00000246
[   30.435595][    C0] RAX: 0000000000000000 RBX: 1ffffffff69c0fc3 RCX: ffffffffb40125d9
[   30.435598][    C0] RDX: ffffed1006c066fb RSI: ffffffffb4458b60 RDI: ffffffffb178f5bf
[   30.435599][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c066fa
[   30.435601][    C0] R10: ffff8880360337d3 R11: ffff888001becb58 R12: 0000000000000000
[   30.435603][    C0] R13: ffffffffb4e1f240 R14: dffffc0000000000 R15: 0000000000014770
[ 30.435607][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 30.435609][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 30.435614][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 30.435616][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 30.435619][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 30.435622][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 30.435626][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 30.435632][ C0] do_idle (kernel/sched/idle.c:325) 
[ 30.435636][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 30.435639][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 30.435642][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 30.435646][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 30.435650][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 30.435654][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   32.839299][    C0] INFO: lockdep is turned off.
| [   32.839525][    C0] Preemption disabled at:
| [ 32.839527][ C0] handle_softirqs (kernel/softirq.c:553) 
| [   32.839993][    C0] Tainted: [W]=WARN
[   32.839994][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.839996][    C0] Call Trace:
[   32.839998][    C0]  <IRQ>
[ 32.840000][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 32.840008][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 32.840014][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 32.840018][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 32.840021][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 32.840025][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.840032][ 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) 
[ 32.840037][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 32.840039][ 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) 
[ 32.840042][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 32.840048][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 32.840051][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 32.840059][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 32.840063][ 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) 
[ 32.840069][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 32.840073][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 32.840077][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 32.840079][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 32.840084][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 32.840087][ C0] ? __orc_find (arch/x86/kernel/unwind_orc.c:106) 
[ 32.840092][ C0] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 32.840095][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 32.840099][ C0] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 32.840103][ C0] ? set_track_prepare (mm/slub.c:936) 
[ 32.840118][ C0] ? __alloc_object (mm/kmemleak.c:697) 
[ 32.840122][ C0] ? __create_object (mm/kmemleak.c:770) 
[ 32.840125][ C0] ? __kmalloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4326 mm/slub.c:4339) 
[ 32.840131][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 32.840135][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.840140][ C0] __put_net (net/core/net_namespace.c:732) 
[ 32.840144][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 32.840148][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 32.840151][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 32.840156][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 32.840160][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.840163][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 32.840170][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 32.840174][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 32.840179][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 32.840183][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 32.840185][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   32.840189][    C0]  </IRQ>
[   32.840190][    C0]  <TASK>
[ 32.840191][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 32.840194][ C0] RIP: 0010:__orc_find (arch/x86/kernel/unwind_orc.c:106) 
[ 32.840198][ C0] Code: 00 48 89 da 48 c1 ea 03 0f b6 34 0a 48 89 da 83 e2 07 83 c2 03 40 38 f2 7c 05 40 84 f6 75 4b 48 63 13 48 01 da 49 39 d5 73 af <4c> 8d 63 fc 4c 39 e5 76 b2 4d 29 f7 49 c1 ff 02 4b 8d 14 7f 48 8d
All code
========
   0:	00 48 89             	add    %cl,-0x77(%rax)
   3:	da 48 c1             	fimull -0x3f(%rax)
   6:	ea                   	(bad)
   7:	03 0f                	add    (%rdi),%ecx
   9:	b6 34                	mov    $0x34,%dh
   b:	0a 48 89             	or     -0x77(%rax),%cl
   e:	da 83 e2 07 83 c2    	fiaddl -0x3d7cf81e(%rbx)
  14:	03 40 38             	add    0x38(%rax),%eax
  17:	f2 7c 05             	bnd jl 0x1f
  1a:	40 84 f6             	test   %sil,%sil
  1d:	75 4b                	jne    0x6a
  1f:	48 63 13             	movslq (%rbx),%rdx
  22:	48 01 da             	add    %rbx,%rdx
  25:	49 39 d5             	cmp    %rdx,%r13
  28:	73 af                	jae    0xffffffffffffffd9
  2a:*	4c 8d 63 fc          	lea    -0x4(%rbx),%r12		<-- trapping instruction
  2e:	4c 39 e5             	cmp    %r12,%rbp
  31:	76 b2                	jbe    0xffffffffffffffe5
  33:	4d 29 f7             	sub    %r14,%r15
  36:	49 c1 ff 02          	sar    $0x2,%r15
  3a:	4b 8d 14 7f          	lea    (%r15,%r15,2),%rdx
  3e:	48                   	rex.W
  3f:	8d                   	.byte 0x8d

Code starting with the faulting instruction
===========================================
   0:	4c 8d 63 fc          	lea    -0x4(%rbx),%r12
   4:	4c 39 e5             	cmp    %r12,%rbp
   7:	76 b2                	jbe    0xffffffffffffffbb
   9:	4d 29 f7             	sub    %r14,%r15
   c:	49 c1 ff 02          	sar    $0x2,%r15
  10:	4b 8d 14 7f          	lea    (%r15,%r15,2),%rdx
  14:	48                   	rex.W
  15:	8d                   	.byte 0x8d
[   32.840201][    C0] RSP: 0018:ffffc900006f6f50 EFLAGS: 00000283
[   32.840204][    C0] RAX: ffffffffb60c7678 RBX: ffffffffb5d33ba4 RCX: dffffc0000000000
[   32.840207][    C0] RDX: ffffffffb1f6aa94 RSI: 0000000000000000 RDI: ffffffffb5d33b9c
[   32.840209][    C0] RBP: ffffffffb5d33b9c R08: 0000000000000000 R09: ffffc900006f70d1
[   32.840210][    C0] R10: ffffffffb1614687 R11: ffffc900006f70d0 R12: ffffffffb5d33bac
[   32.840212][    C0] R13: ffffffffb1f6aa86 R14: ffffffffb5d33b9c R15: ffffffffb5d33b9c
[ 32.840214][ C0] ? __alloc_object (mm/kmemleak.c:697) 
[ 32.840218][ C0] ? 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) 
[ 32.840221][ C0] ? __alloc_object (mm/kmemleak.c:700) 
[ 32.840227][ C0] unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 32.840230][ C0] ? __alloc_object (mm/kmemleak.c:697) 
[ 32.840234][ C0] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 32.840238][ C0] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 32.840241][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 32.840246][ C0] ? __alloc_object (mm/kmemleak.c:697) 
[ 32.840249][ C0] ? kernel_text_address (kernel/extable.c:99) 
[ 32.840254][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 32.840257][ C0] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 32.840267][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 32.840271][ C0] ? __alloc_object (mm/kmemleak.c:697) 
[ 32.840275][ C0] stack_trace_save (kernel/stacktrace.c:123) 
[ 32.840278][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 32.840283][ C0] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 32.840286][ C0] set_track_prepare (mm/slub.c:936) 
[ 32.840289][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.840293][ C0] ? trace_kmem_cache_alloc (./include/trace/events/kmem.h:12 (discriminator 21)) 
[ 32.840299][ C0] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 32.840305][ C0] __alloc_object (mm/kmemleak.c:697) 
[ 32.840309][ C0] __create_object (mm/kmemleak.c:770) 
[ 32.840313][ C0] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 32.840316][ C0] __kmalloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4326 mm/slub.c:4339) 
[ 32.840320][ C0] copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 32.840325][ C0] virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1405) 
[ 32.840330][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.840334][ C0] ? __pfx_virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1376) 
[ 32.840337][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.840341][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 32.840345][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.840350][ C0] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 32.840354][ C0] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 32.840357][ C0] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 32.840363][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 32.840366][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 32.840369][ C0] ? fuse_get_unique (fs/fuse/dev.c:317) 
[ 32.840374][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.840378][ 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) 
[ 32.840382][ C0] virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 32.840386][ C0] ? fuse_send_one (fs/fuse/dev.c:400) 
[ 32.840390][ C0] __fuse_simple_request (fs/fuse/dev.c:578 fs/fuse/dev.c:672) 
[ 32.840395][ C0] fuse_send_open (fs/fuse/file.c:28) 
[ 32.840402][ C0] ? __pfx_fuse_send_open (fs/fuse/file.c:28) 
[ 32.840405][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 32.840408][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.840415][ C0] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 32.840419][ C0] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 32.840421][ C0] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 32.840427][ C0] fuse_file_open (fs/fuse/file.c:147) 
[ 32.840432][ C0] fuse_open (fs/fuse/file.c:175 fs/fuse/file.c:264) 
[ 32.840437][ C0] do_dentry_open (fs/open.c:964) 
[ 32.840442][ C0] ? __pfx_fuse_open (fs/fuse/file.c:234) 
[ 32.840445][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 32.840449][ C0] vfs_open (fs/open.c:1094) 
[ 32.840454][ C0] backing_file_open (fs/backing-file.c:45) 
[ 32.840463][ C0] ? inode_owner_or_capable (./include/linux/mnt_idmapping.h:87 fs/inode.c:2591) 
[ 32.840468][ C0] ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 32.840474][ C0] ovl_open (fs/overlayfs/file.c:222) 
[ 32.840477][ C0] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 32.840480][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.840485][ C0] do_dentry_open (fs/open.c:964) 
[ 32.840488][ C0] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 32.840492][ C0] vfs_open (fs/open.c:1094) 
[ 32.840496][ C0] do_open (fs/namei.c:3888) 
[ 32.840505][ C0] path_openat (fs/namei.c:4046) 
[ 32.840509][ C0] ? __pfx_path_openat (fs/namei.c:4028) 
[ 32.840512][ C0] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 32.840516][ C0] do_filp_open (fs/namei.c:4073) 
[ 32.840519][ C0] ? __pfx_do_filp_open (fs/namei.c:4067) 
[ 32.840522][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 32.840527][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 32.840530][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 32.840532][ C0] ? alloc_fd (fs/file.c:597) 
[ 32.840537][ 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) 
[ 32.840540][ C0] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 32.840543][ C0] ? alloc_fd (fs/file.c:597) 
[ 32.840547][ C0] do_sys_openat2 (fs/open.c:1437) 
[ 32.840551][ C0] ? __pfx_do_sys_openat2 (fs/open.c:1422) 
[ 32.840555][ C0] ? handle_mm_fault (mm/memory.c:6321) 
[ 32.840562][ C0] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 32.840566][ C0] __x64_sys_openat (fs/open.c:1463) 
[ 32.840569][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 32.840573][ C0] ? __pfx___x64_sys_openat (fs/open.c:1463) 
[ 32.840577][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.840581][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.840585][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.840588][    C0] RIP: 0033:0x7f4cf1c48f68
[ 32.840592][ C0] Code: f9 41 89 f0 41 83 e2 40 75 30 89 f0 25 00 00 41 00 3d 00 00 41 00 74 22 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 30 c3 0f 1f 80 00 00 00 00 48 8d 44 24 08 c7
All code
========
   0:	f9                   	stc
   1:	41 89 f0             	mov    %esi,%r8d
   4:	41 83 e2 40          	and    $0x40,%r10d
   8:	75 30                	jne    0x3a
   a:	89 f0                	mov    %esi,%eax
   c:	25 00 00 41 00       	and    $0x410000,%eax
  11:	3d 00 00 41 00       	cmp    $0x410000,%eax
  16:	74 22                	je     0x3a
  18:	44 89 c2             	mov    %r8d,%edx
  1b:	4c 89 ce             	mov    %r9,%rsi
  1e:	bf 9c ff ff ff       	mov    $0xffffff9c,%edi
  23:	b8 01 01 00 00       	mov    $0x101,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 30                	ja     0x62
  32:	c3                   	ret
  33:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3a:	48 8d 44 24 08       	lea    0x8(%rsp),%rax
  3f:	c7                   	.byte 0xc7

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 30                	ja     0x38
   8:	c3                   	ret
   9:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  10:	48 8d 44 24 08       	lea    0x8(%rsp),%rax
  15:	c7                   	.byte 0xc7
[   32.840594][    C0] RSP: 002b:00007ffe5016e558 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
[   32.840597][    C0] RAX: ffffffffffffffda RBX: 00007ffe5016e62f RCX: 00007f4cf1c48f68
[   32.840598][    C0] RDX: 0000000000080000 RSI: 00007f4cf1c173f0 RDI: 00000000ffffff9c
[   32.840600][    C0] RBP: 00007ffe5016e5c0 R08: 0000000000080000 R09: 00007f4cf1c173f0
[   32.840602][    C0] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000
[   32.840603][    C0] R13: 00007ffe5016e640 R14: 00007f4cf1c173f0 R15: 00007ffe5016e640
| [   35.429545][    C2] INFO: lockdep is turned off.
| [   35.429731][    C2] Preemption disabled at:
| [ 35.429733][ C2] 0x0 
| [   35.430076][    C2] Tainted: [W]=WARN
[   35.430078][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.430080][    C2] Call Trace:
[   35.430082][    C2]  <IRQ>
[ 35.430084][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 35.430093][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 35.430100][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 35.430104][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 35.430107][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 35.430111][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.430117][ 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) 
[ 35.430123][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 35.430125][ 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) 
[ 35.430128][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 35.430134][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 35.430137][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 35.430143][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 35.430146][ 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) 
[ 35.430152][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 35.430156][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 35.430160][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 35.430163][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 35.430168][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 35.430171][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 35.430175][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 35.430178][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 35.430180][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 35.430185][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 35.430188][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 35.430191][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 35.430195][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 35.430199][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 35.430203][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.430208][ C2] __put_net (net/core/net_namespace.c:732) 
[ 35.430212][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 35.430216][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 35.430219][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 35.430224][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 35.430228][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 35.430234][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.430239][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 35.430251][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 35.430259][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 35.430262][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 35.430264][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   35.430268][    C2]  </IRQ>
[   35.430269][    C2]  <TASK>
[ 35.430271][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 35.430274][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 35.430278][ C2] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   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
[   35.430281][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   35.430284][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb40125d9
[   35.430286][    C2] RDX: ffffed1006c266fb RSI: ffffffffb4458b60 RDI: ffffffffb178f5bf
[   35.430288][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   35.430290][    C2] R10: ffff8880361337d3 R11: ffff888001ee2858 R12: 0000000000000000
[   35.430291][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 35.430295][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 35.430298][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 35.430302][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 35.430307][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 35.430309][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 35.430313][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 35.430317][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 35.430322][ C2] do_idle (kernel/sched/idle.c:325) 
[ 35.430325][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 35.430329][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 35.430332][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 35.430337][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   39.219483][    C1] INFO: lockdep is turned off.
| [   39.219660][    C1] Preemption disabled at:
| [ 39.219662][ C1] 0x0 
| [   39.219973][    C1] Tainted: [W]=WARN
[   39.219974][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.219976][    C1] Call Trace:
[   39.219978][    C1]  <IRQ>
[ 39.219980][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 39.219989][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 39.219995][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 39.219999][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 39.220002][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 39.220006][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.220020][ 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) 
[ 39.220025][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 39.220028][ 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) 
[ 39.220031][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 39.220036][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 39.220039][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 39.220045][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 39.220049][ 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) 
[ 39.220054][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 39.220059][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 39.220062][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 39.220066][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 39.220070][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 39.220074][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 39.220077][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 39.220080][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 39.220082][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 39.220087][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 39.220090][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 39.220092][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 39.220098][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 39.220101][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 39.220105][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.220110][ C1] __put_net (net/core/net_namespace.c:732) 
[ 39.220114][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 39.220118][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 39.220121][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 39.220126][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 39.220130][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 39.220136][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.220142][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 39.220146][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 39.220153][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 39.220156][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 39.220158][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   39.220162][    C1]  </IRQ>
[   39.220163][    C1]  <TASK>
[ 39.220164][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 39.220167][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 39.220171][ C1] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   39.220174][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[   39.220178][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffb40125d9
[   39.220180][    C1] RDX: ffffed1006c166fb RSI: ffffffffb4458b60 RDI: ffffffffb178f5bf
[   39.220182][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c166fa
[   39.220183][    C1] R10: ffff8880360b37d3 R11: ffff88800aec2858 R12: 0000000000000000
[   39.220185][    C1] R13: ffff888001bf0040 R14: dffffc0000000000 R15: 0000000000000000
[ 39.220188][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 39.220192][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 39.220196][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 39.220198][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 39.220201][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 39.220205][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 39.220209][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 39.220214][ C1] do_idle (kernel/sched/idle.c:325) 
[ 39.220218][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 39.220221][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 39.220225][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 39.220229][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   43.165666][    C0] INFO: lockdep is turned off.
| [   43.165867][    C0] Preemption disabled at:
| [ 43.165869][ C0] __slab_alloc.constprop.0 (mm/slub.c:3945) 
| [   43.166306][    C0] Tainted: [W]=WARN
[   43.166307][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.166309][    C0] Call Trace:
[   43.166311][    C0]  <IRQ>
[ 43.166313][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 43.166323][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 43.166329][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 43.166333][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 43.166336][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 43.166341][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.166348][ 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) 
[ 43.166353][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 43.166355][ 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) 
[ 43.166358][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 43.166366][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 43.166369][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 43.166374][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 43.166377][ 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) 
[ 43.166383][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 43.166390][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 43.166393][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 43.166401][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 43.166405][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 43.166409][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.166413][ C0] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 43.166416][ C0] ? ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 43.166420][ C0] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 43.166423][ C0] ? kmem_cache_alloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4203) 
[ 43.166426][ C0] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 43.166431][ C0] ? __create_object (mm/kmemleak.c:770) 
[ 43.166434][ C0] ? __kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4353) 
[ 43.166437][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 43.166442][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.166447][ C0] __put_net (net/core/net_namespace.c:732) 
[ 43.166451][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 43.166454][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 43.166457][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 43.166462][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 43.166466][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.166470][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 43.166476][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 43.166480][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 43.166487][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 43.166490][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 43.166493][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   43.166496][    C0]  </IRQ>
[   43.166497][    C0]  <TASK>
[ 43.166499][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 43.166501][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.166506][ C0] Code: 74 24 10 e8 f1 22 7b fd 48 89 ef e8 a9 75 7b fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> 2a 73 6f fd 65 8b 05 13 dd b3 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	f1                   	int1
   5:	22 7b fd             	and    -0x3(%rbx),%bh
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 a9 75 7b fd       	call   0xfffffffffd7b75b9
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 2a 73 6f fd       	call   0xfffffffffd6f7359		<-- trapping instruction
  2f:	65 8b 05 13 dd b3 02 	mov    %gs:0x2b3dd13(%rip),%eax        # 0x2b3dd49
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 2a 73 6f fd       	call   0xfffffffffd6f732f
   5:	65 8b 05 13 dd b3 02 	mov    %gs:0x2b3dd13(%rip),%eax        # 0x2b3dd1f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
[   43.166508][    C0] RSP: 0018:ffffc90000aa76c8 EFLAGS: 00000206
[   43.166512][    C0] RAX: 0000000000000046 RBX: 0000000000000200 RCX: ffffffffb1a766af
[   43.166514][    C0] RDX: 0000000000000000 RSI: ffffffffb4458b60 RDI: 0000000000000001
[   43.166515][    C0] RBP: ffff88800104f440 R08: 0000000000000000 R09: 0000000000000000
[   43.166517][    C0] R10: ffffffffb5c062d7 R11: 0000000000002800 R12: ffff88800104f440
[   43.166519][    C0] R13: ffffea0000291080 R14: ffff88800104de40 R15: ffff88800a442758
[ 43.166523][ C0] ? 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) 
[ 43.166528][ C0] get_partial_node.part.0 (mm/slub.c:2902) 
[ 43.166533][ C0] ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 43.166537][ C0] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 43.166540][ C0] ? kmem_cache_free (./include/linux/slab.h:905 mm/slub.c:2332 mm/slub.c:4642 mm/slub.c:4744) 
[ 43.166543][ C0] ? exit_mmap (mm/mmap.c:1311) 
[ 43.166549][ C0] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 43.166552][ C0] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 43.166556][ C0] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 43.166559][ C0] kmem_cache_alloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4203) 
[ 43.166562][ C0] ? kmem_cache_free (mm/slub.c:2333 mm/slub.c:4642 mm/slub.c:4744) 
[ 43.166567][ C0] __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 43.166570][ C0] __create_object (mm/kmemleak.c:770) 
[ 43.166574][ C0] __kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4353) 
[ 43.166579][ C0] kmem_cache_free (mm/slub.c:2333 mm/slub.c:4642 mm/slub.c:4744) 
[ 43.166582][ C0] ? exit_mmap (mm/mmap.c:1311) 
[ 43.166587][ C0] exit_mmap (mm/mmap.c:1311) 
[ 43.166591][ C0] ? __pfx_exit_mmap (mm/mmap.c:1259) 
[ 43.166595][ C0] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:727 kernel/locking/mutex.c:746) 
[ 43.166599][ C0] ? generic_permission (fs/namei.c:411 fs/namei.c:472) 
[ 43.166605][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 43.166611][ C0] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:924) 
[ 43.166619][ C0] mmput (kernel/fork.c:1449 kernel/fork.c:1383 kernel/fork.c:1404) 
[ 43.166625][ C0] exec_mmap (fs/exec.c:954) 
[ 43.166631][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.166635][ C0] begin_new_exec (fs/exec.c:1204) 
[ 43.166641][ C0] load_elf_binary (fs/binfmt_elf.c:996) 
[ 43.166648][ C0] ? __pfx___kernel_read (fs/read_write.c:507) 
[ 43.166654][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.166658][ C0] ? load_misc_binary (fs/binfmt_misc.c:215) 
[ 43.166661][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.166664][ C0] ? __pfx_load_elf_binary (fs/binfmt_elf.c:818) 
[ 43.166668][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.166671][ C0] ? exec_binprm (fs/exec.c:1718 fs/exec.c:1750) 
[ 43.166674][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.166679][ C0] exec_binprm (fs/exec.c:1720 fs/exec.c:1750) 
[ 43.166685][ C0] ? __pfx_exec_binprm (fs/exec.c:1734) 
[ 43.166688][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.166693][ C0] bprm_execve (fs/exec.c:1802 fs/exec.c:1778) 
[ 43.166697][ C0] do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 43.166702][ C0] __x64_sys_execve (fs/exec.c:2053) 
[ 43.166705][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.166709][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.166712][    C0] RIP: 0033:0x7f4d1fefe40b
[ 43.166720][ C0] Code: Unable to access opcode bytes at 0x7f4d1fefe3e1.

Code starting with the faulting instruction
===========================================
[   43.166721][    C0] RSP: 002b:00007ffe26150598 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   43.166724][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4d1fefe40b
[   43.166726][    C0] RDX: 0000561937155ea0 RSI: 00005619370f70c0 RDI: 0000561937154cf0
[   43.166729][    C0] RBP: 0000561937154cf0 R08: 0000561937156ab0 R09: 0000000000000000
[   43.166730][    C0] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[   43.166732][    C0] R13: 00005619370f70c0 R14: 0000561937155ea0 R15: 0000561937152ef0
| [   47.206550][    C2] INFO: lockdep is turned off.
| [   47.206744][    C2] Preemption disabled at:
| [ 47.206746][ C2] 0x0 
| [   47.207098][    C2] Tainted: [W]=WARN
[   47.207099][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.207101][    C2] Call Trace:
[   47.207104][    C2]  <IRQ>
[ 47.207106][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 47.207115][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 47.207121][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 47.207125][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 47.207128][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 47.207132][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.207139][ 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) 
[ 47.207143][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 47.207146][ 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) 
[ 47.207149][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 47.207155][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 47.207158][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 47.207164][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 47.207167][ 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) 
[ 47.207173][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 47.207177][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 47.207181][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 47.207184][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 47.207188][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 47.207192][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 47.207195][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 47.207199][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 47.207201][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 47.207206][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 47.207209][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 47.207212][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 47.207216][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 47.207220][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 47.207224][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.207229][ C2] __put_net (net/core/net_namespace.c:732) 
[ 47.207233][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 47.207237][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 47.207240][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 47.207245][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 47.207249][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.207254][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 47.207258][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 47.207265][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 47.207269][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 47.207271][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   47.207274][    C2]  </IRQ>
[   47.207275][    C2]  <TASK>
[ 47.207277][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 47.207280][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 47.207284][ C2] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   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
[   47.207286][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   47.207294][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb40125d9
[   47.207296][    C2] RDX: ffffed1006c266fb RSI: ffffffffb4458b60 RDI: ffffffffb178f5bf
[   47.207298][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   47.207299][    C2] R10: ffff8880361337d3 R11: ffff888001bdcb58 R12: 0000000000000000
[   47.207301][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 47.207305][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 47.207308][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 47.207313][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 47.207315][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 47.207317][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 47.207321][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 47.207325][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 47.207330][ C2] do_idle (kernel/sched/idle.c:325) 
[ 47.207334][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 47.207337][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 47.207341][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 47.207346][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   50.541511][    C0] INFO: lockdep is turned off.
| [   50.541699][    C0] Preemption disabled at:
| [ 50.541701][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
| [   50.542143][    C0] Tainted: [W]=WARN
[   50.542144][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.542146][    C0] Call Trace:
[   50.542148][    C0]  <IRQ>
[ 50.542150][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 50.542157][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 50.542162][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 50.542166][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 50.542168][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 50.542173][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.542179][ 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) 
[ 50.542184][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 50.542187][ 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) 
[ 50.542189][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 50.542195][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 50.542198][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 50.542203][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 50.542207][ 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) 
[ 50.542212][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 50.542217][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 50.542220][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 50.542228][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 50.542232][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 50.542236][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 50.542239][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 50.542242][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 50.542245][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 50.542249][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 50.542252][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 50.542254][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 50.542257][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 50.542267][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 50.542271][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.542276][ C0] __put_net (net/core/net_namespace.c:732) 
[ 50.542280][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 50.542284][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 50.542287][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 50.542291][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 50.542295][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 50.542301][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 50.542307][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 50.542311][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 50.542318][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 50.542321][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 50.542324][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   50.542327][    C0]  </IRQ>
[   50.542328][    C0]  <TASK>
[ 50.542330][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 50.542333][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 50.542337][ C0] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   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
[   50.542340][    C0] RSP: 0018:ffffffffb4e07df8 EFLAGS: 00000246
[   50.542343][    C0] RAX: 0000000000000000 RBX: 1ffffffff69c0fc3 RCX: ffffffffb40125d9
[   50.542345][    C0] RDX: ffffed1006c066fb RSI: ffffffffb4458b60 RDI: ffffffffb178f5bf
[   50.542347][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c066fa
[   50.542351][    C0] R10: ffff8880360337d3 R11: ffff88803602834c R12: 0000000000000000
[   50.542353][    C0] R13: ffffffffb4e1f240 R14: dffffc0000000000 R15: 0000000000014770
[ 50.542357][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 50.542360][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 50.542364][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 50.542366][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 50.542369][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 50.542372][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 50.542376][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 50.542383][ C0] do_idle (kernel/sched/idle.c:325) 
[ 50.542387][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 50.542390][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 50.542393][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 50.542399][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 50.542403][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 50.542407][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   53.096155][    C2] INFO: lockdep is turned off.
| [   53.096340][    C2] Preemption disabled at:
| [ 53.096342][ C2] 0x0 
| [   53.096692][    C2] Tainted: [W]=WARN
[   53.096693][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.096695][    C2] Call Trace:
[   53.096697][    C2]  <IRQ>
[ 53.096700][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 53.096708][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 53.096714][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 53.096718][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 53.096721][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 53.096726][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.096732][ 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) 
[ 53.096737][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 53.096740][ 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) 
[ 53.096742][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 53.096748][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 53.096751][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 53.096757][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 53.096761][ 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) 
[ 53.096766][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 53.096771][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 53.096774][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 53.096778][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 53.096782][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 53.096785][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 53.096789][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 53.096792][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 53.096794][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 53.096798][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 53.096801][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 53.096804][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 53.096809][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 53.096813][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 53.096817][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.096822][ C2] __put_net (net/core/net_namespace.c:732) 
[ 53.096826][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 53.096836][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 53.096839][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 53.096844][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 53.096848][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 53.096854][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.096860][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 53.096864][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 53.096870][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 53.096874][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 53.096876][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   53.096879][    C2]  </IRQ>
[   53.096880][    C2]  <TASK>
[ 53.096882][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 53.096885][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 53.096889][ C2] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   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
[   53.096891][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   53.096895][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb40125d9
[   53.096897][    C2] RDX: ffffed1006c266fb RSI: ffffffffb4458b60 RDI: ffffffffb178f5bf
[   53.096899][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   53.096901][    C2] R10: ffff8880361337d3 R11: ffff888001ee2858 R12: 0000000000000000
[   53.096902][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 53.096906][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 53.096909][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 53.096913][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 53.096916][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 53.096918][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 53.096922][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 53.096926][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 53.096931][ C2] do_idle (kernel/sched/idle.c:325) 
[ 53.096935][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 53.096938][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 53.096942][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 53.096947][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   56.151497][    C3] INFO: lockdep is turned off.
| [   56.151669][    C3] Preemption disabled at:
| [ 56.151671][ C3] 0x0 
| [   56.151989][    C3] Tainted: [W]=WARN
[   56.151990][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.151992][    C3] Call Trace:
[   56.151994][    C3]  <IRQ>
[ 56.151996][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 56.152005][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 56.152011][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 56.152016][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 56.152019][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 56.152023][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.152029][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 56.152034][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 56.152037][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 56.152040][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 56.152045][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 56.152048][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 56.152054][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 56.152057][ 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) 
[ 56.152063][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 56.152067][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 56.152071][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 56.152074][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 56.152079][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 56.152082][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 56.152086][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 56.152088][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 56.152091][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 56.152096][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 56.152098][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 56.152101][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 56.152106][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 56.152110][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 56.152114][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.152119][ C3] __put_net (net/core/net_namespace.c:732) 
[ 56.152123][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 56.152127][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 56.152130][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 56.152135][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 56.152139][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 56.152144][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.152151][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 56.152155][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 56.152161][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 56.152165][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 56.152167][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   56.152170][    C3]  </IRQ>
[   56.152172][    C3]  <TASK>
[ 56.152173][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 56.152176][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 56.152180][ C3] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   56.152183][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   56.152186][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb40125d9
[   56.152192][    C3] RDX: ffffed1006c366fb RSI: ffffffffb4458b60 RDI: ffffffffb178f5bf
[   56.152194][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   56.152196][    C3] R10: ffff8880361b37d3 R11: ffff888001ef8558 R12: 0000000000000000
[   56.152198][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 56.152202][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 56.152205][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 56.152209][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 56.152212][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 56.152214][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 56.152218][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 56.152222][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 56.152227][ C3] do_idle (kernel/sched/idle.c:325) 
[ 56.152230][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 56.152234][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 56.152237][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 


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