======================================
| [   21.534194][    C2] 1 lock held by swapper/2/0:
| [ 21.534395][ C2] #0: ffffffff91d77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   21.534746][    C2]
| [   21.534746][    C2] stack backtrace:
[   21.534995][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.534998][    C2] Call Trace:
[   21.535000][    C2]  <IRQ>
[ 21.535002][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 21.535009][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 21.535014][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 21.535018][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 21.535023][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 21.535028][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 21.535032][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 21.535035][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 21.535039][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.535043][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 21.535047][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 21.535051][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.535057][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 21.535060][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 21.535064][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 21.535067][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 21.535071][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 21.535075][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 21.535078][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 21.535083][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 21.535087][ 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) 
[ 21.535093][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 21.535096][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 21.535099][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 21.535101][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 21.535105][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 21.535110][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 21.535113][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 21.535115][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 21.535118][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 21.535121][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 21.535124][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 21.535127][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 21.535130][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 21.535136][ C2] __put_net (net/core/net_namespace.c:732) 
[ 21.535140][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 21.535144][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 21.535147][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 21.535152][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 21.535156][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.535160][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.535163][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.535168][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 21.535172][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 21.535178][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 21.535181][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 21.535183][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   21.535187][    C2]  </IRQ>
[   21.535188][    C2]  <TASK>
[ 21.535189][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 21.535192][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 21.535196][ 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
[   21.535198][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242
[   21.535202][    C2] RAX: 0000000000054779 RBX: 1ffff92000028fc1 RCX: ffffffff90c125d9
[   21.535204][    C2] RDX: 0000000000000000 RSI: ffffffff918a61cd RDI: ffffffff91058be0
[   21.535206][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   21.535207][    C2] R10: ffff8880361337d3 R11: ffffffff91a11288 R12: 0000000000000000
[   21.535209][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 21.535213][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 21.535217][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 21.535220][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 21.535222][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 21.535226][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 21.535230][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 21.535234][ C2] do_idle (kernel/sched/idle.c:325) 
[ 21.535238][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 21.535242][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 21.535245][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 21.535250][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   21.551856][    C2] RCU nest depth: 0, expected: 0
| [   21.552164][    C2] INFO: lockdep is turned off.
| [   21.552370][    C2] Preemption disabled at:
| [ 21.552372][ C2] 0x0 
[   21.552726][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.552728][    C2] Call Trace:
[   21.552730][    C2]  <IRQ>
[ 21.552732][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 21.552740][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 21.552746][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 21.552750][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 21.552752][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 21.552756][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.552762][ 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) 
[ 21.552767][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 21.552770][ 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) 
[ 21.552772][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 21.552778][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 21.552781][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 21.552787][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 21.552790][ 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) 
[ 21.552795][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 21.552799][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 21.552802][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 21.552806][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 21.552811][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 21.552814][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 21.552817][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 21.552820][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 21.552823][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 21.552827][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 21.552830][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 21.552833][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 21.552837][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 21.552842][ C2] __put_net (net/core/net_namespace.c:732) 
[ 21.552846][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 21.552850][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 21.552853][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 21.552858][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 21.552861][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.552866][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.552870][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.552875][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 21.552881][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 21.552888][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 21.552891][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 21.552893][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   21.552897][    C2]  </IRQ>
[   21.552898][    C2]  <TASK>
[ 21.552900][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 21.552902][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 21.552906][ 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
[   21.552909][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242
[   21.552912][    C2] RAX: 0000000000054779 RBX: 1ffff92000028fc1 RCX: ffffffff90c125d9
[   21.552914][    C2] RDX: 0000000000000000 RSI: ffffffff918a61cd RDI: ffffffff91058be0
[   21.552915][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   21.552917][    C2] R10: ffff8880361337d3 R11: ffffffff91a11288 R12: 0000000000000000
[   21.552919][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 21.552922][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 21.552926][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 21.552929][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 21.552931][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 21.552935][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 21.552939][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 21.552944][ C2] do_idle (kernel/sched/idle.c:325) 
[ 21.552948][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 21.552952][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 21.552955][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 21.552960][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   24.050244][    C2] INFO: lockdep is turned off.
| [   24.050435][    C2] Preemption disabled at:
| [ 24.050437][ C2] handle_softirqs (kernel/softirq.c:553) 
| [   24.050853][    C2] Tainted: [W]=WARN
[   24.050854][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.050856][    C2] Call Trace:
[   24.050858][    C2]  <TASK>
[ 24.050861][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 24.050868][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 24.050874][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 24.050881][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 24.050884][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 24.050888][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.050895][ 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) 
[ 24.050899][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 24.050902][ 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) 
[ 24.050905][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 24.050910][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 24.050913][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 24.050919][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 24.050923][ 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) 
[ 24.050929][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 24.050933][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 24.050936][ C2] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 24.050940][ C2] ? kthread (kernel/kthread.c:464) 
[ 24.050944][ C2] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 24.050949][ C2] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 24.050954][ C2] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 24.050959][ C2] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 24.050963][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 24.050967][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.050972][ C2] __put_net (net/core/net_namespace.c:732) 
[ 24.050976][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 24.050980][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 24.050983][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 24.050988][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 24.050992][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.050995][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 24.051002][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 24.051006][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 24.051011][ C2] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 24.051015][ C2] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 24.051018][ C2] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 24.051021][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 24.051025][ C2] kthread (kernel/kthread.c:464) 
[ 24.051028][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 24.051030][ C2] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 24.051033][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.051039][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.051042][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 24.051046][ C2] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 24.051049][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 24.051052][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   27.835638][    C3] INFO: lockdep is turned off.
| [   27.835831][    C3] Preemption disabled at:
| [ 27.835833][ C3] 0x0 
| [   27.836180][    C3] Tainted: [W]=WARN
[   27.836181][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.836184][    C3] Call Trace:
[   27.836186][    C3]  <IRQ>
[ 27.836188][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 27.836200][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 27.836208][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 27.836213][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 27.836216][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 27.836222][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.836230][ 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) 
[ 27.836236][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 27.836238][ 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) 
[ 27.836241][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 27.836248][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 27.836252][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 27.836258][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 27.836262][ 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) 
[ 27.836270][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 27.836275][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 27.836279][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 27.836283][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 27.836288][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 27.836293][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 27.836296][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 27.836300][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 27.836302][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 27.836308][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 27.836311][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 27.836314][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 27.836320][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 27.836325][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 27.836332][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.836337][ C3] __put_net (net/core/net_namespace.c:732) 
[ 27.836341][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 27.836345][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 27.836348][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 27.836353][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 27.836357][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.836362][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 27.836367][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 27.836375][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 27.836379][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 27.836381][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   27.836384][    C3]  </IRQ>
[   27.836386][    C3]  <TASK>
[ 27.836387][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 27.836390][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 27.836395][ 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
[   27.836397][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   27.836402][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff90c125d9
[   27.836404][    C3] RDX: ffffed1006c366fb RSI: ffffffff91058b60 RDI: ffffffff8e38f5bf
[   27.836406][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   27.836408][    C3] R10: ffff8880361b37d3 R11: ffff888001bdcb58 R12: 0000000000000000
[   27.836410][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 27.836413][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 27.836416][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 27.836421][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 27.836423][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 27.836426][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 27.836430][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 27.836434][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 27.836440][ C3] do_idle (kernel/sched/idle.c:325) 
[ 27.836444][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 27.836447][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 27.836451][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 27.836456][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   31.838385][    C0] INFO: lockdep is turned off.
| [   31.838581][    C0] Preemption disabled at:
| [ 31.838583][ C0] handle_softirqs (kernel/softirq.c:553) 
| [   31.838999][    C0] Tainted: [W]=WARN
[   31.839000][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.839002][    C0] Call Trace:
[   31.839005][    C0]  <IRQ>
[ 31.839007][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 31.839018][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 31.839025][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 31.839031][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 31.839034][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 31.839041][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.839049][ 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) 
[ 31.839056][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 31.839058][ 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) 
[ 31.839061][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 31.839069][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 31.839072][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 31.839080][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 31.839084][ 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) 
[ 31.839092][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 31.839098][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 31.839102][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 31.839104][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 31.839109][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 31.839114][ C0] ? ovl_permission (fs/overlayfs/inode.c:298) 
[ 31.839118][ C0] ? inode_permission (fs/namei.c:526 fs/namei.c:593) 
[ 31.839123][ C0] ? link_path_walk (fs/namei.c:1845 fs/namei.c:2454) 
[ 31.839127][ C0] ? path_lookupat (fs/namei.c:2662 (discriminator 2)) 
[ 31.839129][ C0] ? filename_lookup (fs/namei.c:2693) 
[ 31.839132][ C0] ? vfs_statx (fs/stat.c:353) 
[ 31.839135][ C0] ? vfs_fstatat (fs/stat.c:376) 
[ 31.839138][ C0] ? __do_sys_newfstatat (fs/stat.c:543) 
[ 31.839141][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 31.839148][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.839153][ C0] __put_net (net/core/net_namespace.c:732) 
[ 31.839158][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 31.839162][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 31.839165][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 31.839170][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 31.839174][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.839177][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 31.839184][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 31.839188][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 31.839194][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 31.839197][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 31.839200][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   31.839203][    C0]  </IRQ>
[   31.839204][    C0]  <TASK>
[ 31.839206][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 31.839209][ C0] RIP: 0010:ovl_permission (fs/overlayfs/inode.c:298) 
[ 31.839212][ C0] Code: f1 f1 f1 c7 40 04 00 00 f3 f3 65 48 8b 05 60 fe 8b 04 48 89 44 24 60 31 c0 e8 dc 83 ff ff 48 89 df 48 8d 74 24 28 48 89 04 24 <e8> 0b 80 ff ff 48 85 c0 0f 84 28 01 00 00 44 89 ea 48 89 de 48 c7
All code
========
   0:	f1                   	int1
   1:	f1                   	int1
   2:	f1                   	int1
   3:	c7 40 04 00 00 f3 f3 	movl   $0xf3f30000,0x4(%rax)
   a:	65 48 8b 05 60 fe 8b 	mov    %gs:0x48bfe60(%rip),%rax        # 0x48bfe72
  11:	04 
  12:	48 89 44 24 60       	mov    %rax,0x60(%rsp)
  17:	31 c0                	xor    %eax,%eax
  19:	e8 dc 83 ff ff       	call   0xffffffffffff83fa
  1e:	48 89 df             	mov    %rbx,%rdi
  21:	48 8d 74 24 28       	lea    0x28(%rsp),%rsi
  26:	48 89 04 24          	mov    %rax,(%rsp)
  2a:*	e8 0b 80 ff ff       	call   0xffffffffffff803a		<-- trapping instruction
  2f:	48 85 c0             	test   %rax,%rax
  32:	0f 84 28 01 00 00    	je     0x160
  38:	44 89 ea             	mov    %r13d,%edx
  3b:	48 89 de             	mov    %rbx,%rsi
  3e:	48                   	rex.W
  3f:	c7                   	.byte 0xc7

Code starting with the faulting instruction
===========================================
   0:	e8 0b 80 ff ff       	call   0xffffffffffff8010
   5:	48 85 c0             	test   %rax,%rax
   8:	0f 84 28 01 00 00    	je     0x136
   e:	44 89 ea             	mov    %r13d,%edx
  11:	48 89 de             	mov    %rbx,%rsi
  14:	48                   	rex.W
  15:	c7                   	.byte 0xc7
[   31.839215][    C0] RSP: 0018:ffffc90000507948 EFLAGS: 00000282
[   31.839219][    C0] RAX: 0000000000000000 RBX: ffff888009ff05d0 RCX: 0000000000000002
[   31.839221][    C0] RDX: 1ffff110013fe145 RSI: ffffc90000507970 RDI: ffff888009ff05d0
[   31.839223][    C0] RBP: 1ffff920000a0f2a R08: 0000000000000501 R09: ffffed10013cc7f6
[   31.839224][    C0] R10: 0000000000000000 R11: ffff888009fe4078 R12: 0000000000000000
[   31.839226][    C0] R13: 0000000000000081 R14: ffff888009ff05d2 R15: dffffc0000000000
[ 31.839231][ C0] ? ovl_permission (fs/overlayfs/inode.c:298) 
[ 31.839234][ C0] ? __pfx_ovl_permission (fs/overlayfs/inode.c:290) 
[ 31.839237][ C0] ? __pfx_step_into (fs/namei.c:1973) 
[ 31.839240][ C0] ? lookup_fast (fs/namei.c:929 fs/namei.c:925 fs/namei.c:1765) 
[ 31.839244][ C0] ? rcu_watching_snap_stopped_since (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 ./include/linux/context_tracking_state.h:75 kernel/rcu/tree.c:325) 
[ 31.839248][ C0] inode_permission (fs/namei.c:526 fs/namei.c:593) 
[ 31.839253][ C0] link_path_walk (fs/namei.c:1845 fs/namei.c:2454) 
[ 31.839257][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 31.839261][ C0] ? __pfx_link_path_walk (fs/namei.c:2429) 
[ 31.839265][ C0] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 31.839271][ C0] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.839276][ C0] path_lookupat (fs/namei.c:2662 (discriminator 2)) 
[ 31.839280][ C0] filename_lookup (fs/namei.c:2693) 
[ 31.839283][ C0] ? __pfx_filename_lookup (fs/namei.c:2686) 
[ 31.839289][ 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) 
[ 31.839292][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.839297][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.839300][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 31.839304][ C0] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 31.839308][ C0] vfs_statx (fs/stat.c:353) 
[ 31.839312][ C0] ? __pfx_vfs_statx (fs/stat.c:343) 
[ 31.839315][ C0] ? getname_flags.part.0 (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 fs/namei.c:132 fs/namei.c:213) 
[ 31.839319][ C0] vfs_fstatat (fs/stat.c:376) 
[ 31.839323][ C0] __do_sys_newfstatat (fs/stat.c:543) 
[ 31.839326][ C0] ? __pfx___do_sys_newfstatat (fs/stat.c:538) 
[ 31.839332][ C0] ? __x64_sys_openat (fs/open.c:1463) 
[ 31.839336][ C0] ? __pfx___x64_sys_openat (fs/open.c:1463) 
[ 31.839341][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.839344][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 31.839348][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.839352][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.839354][    C0] RIP: 0033:0x7f4568f6dd2e
[ 31.839358][ C0] Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 07 00 00 00 0f 1f 80 00 00 00 00 f3 0f 1e fa 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 0b 31 c0 c3 0f 1f 84 00 00 00 00 00 f7 d8 89 05
All code
========
   0:	48 89 f2             	mov    %rsi,%rdx
   3:	b9 00 01 00 00       	mov    $0x100,%ecx
   8:	48 89 fe             	mov    %rdi,%rsi
   b:	bf 9c ff ff ff       	mov    $0xffffff9c,%edi
  10:	e9 07 00 00 00       	jmp    0x1c
  15:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1c:	f3 0f 1e fa          	endbr64
  20:	41 89 ca             	mov    %ecx,%r10d
  23:	b8 06 01 00 00       	mov    $0x106,%eax
  28:	0f 05                	syscall
  2a:*	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax		<-- trapping instruction
  2f:	77 0b                	ja     0x3c
  31:	31 c0                	xor    %eax,%eax
  33:	c3                   	ret
  34:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
  3b:	00 
  3c:	f7 d8                	neg    %eax
  3e:	89                   	.byte 0x89
  3f:	05                   	.byte 0x5

Code starting with the faulting instruction
===========================================
   0:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   5:	77 0b                	ja     0x12
   7:	31 c0                	xor    %eax,%eax
   9:	c3                   	ret
   a:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
  11:	00 
  12:	f7 d8                	neg    %eax
  14:	89                   	.byte 0x89
  15:	05                   	.byte 0x5
[   31.839360][    C0] RSP: 002b:00007fffcec943c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
[   31.839363][    C0] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f4568f6dd2e
[   31.839365][    C0] RDX: 00007fffcec94490 RSI: 00007fffcec943d0 RDI: 00000000ffffff9c
[   31.839366][    C0] RBP: 00007fffcec94550 R08: 00000000ffffffff R09: 00007fffcec943d0
[   31.839368][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffcec943ec
[   31.839369][    C0] R13: 00007fffcec943d0 R14: 00007f4568f7d220 R15: 00007f4568f3c200
| [   34.359367][    C2] INFO: lockdep is turned off.
| [   34.359574][    C2] Preemption disabled at:
| [ 34.359576][ C2] 0x0 
| [   34.359965][    C2] Tainted: [W]=WARN
[   34.359967][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.359969][    C2] Call Trace:
[   34.359971][    C2]  <IRQ>
[ 34.359973][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 34.359982][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 34.359988][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 34.359993][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 34.359995][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 34.360000][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.360006][ 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) 
[ 34.360011][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 34.360014][ 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) 
[ 34.360016][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 34.360022][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 34.360025][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 34.360031][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 34.360035][ 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) 
[ 34.360041][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 34.360045][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 34.360048][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 34.360052][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 34.360056][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 34.360060][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 34.360063][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 34.360067][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 34.360069][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 34.360076][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 34.360078][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 34.360081][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 34.360088][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 34.360093][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 34.360097][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.360102][ C2] __put_net (net/core/net_namespace.c:732) 
[ 34.360106][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 34.360110][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 34.360113][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 34.360118][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 34.360122][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.360127][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 34.360131][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 34.360138][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 34.360141][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 34.360144][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   34.360147][    C2]  </IRQ>
[   34.360148][    C2]  <TASK>
[ 34.360150][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 34.360153][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 34.360157][ 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
[   34.360159][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   34.360163][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff90c125d9
[   34.360165][    C2] RDX: ffffed1006c266fb RSI: ffffffff91058b60 RDI: ffffffff8e38f5bf
[   34.360167][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   34.360169][    C2] R10: ffff8880361337d3 R11: ffff888001bdcb58 R12: 0000000000000000
[   34.360170][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 34.360174][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 34.360177][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 34.360181][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 34.360184][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 34.360186][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 34.360190][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 34.360194][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 34.360199][ C2] do_idle (kernel/sched/idle.c:325) 
[ 34.360203][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 34.360206][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 34.360210][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 34.360215][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   36.986344][    C2] INFO: lockdep is turned off.
| [   36.986543][    C2] Preemption disabled at:
| [ 36.986545][ C2] 0x0 
| [   36.986916][    C2] Tainted: [W]=WARN
[   36.986918][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.986920][    C2] Call Trace:
[   36.986922][    C2]  <IRQ>
[ 36.986924][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 36.986933][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 36.986939][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 36.986945][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 36.986947][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 36.986952][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.986958][ 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) 
[ 36.986963][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 36.986966][ 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) 
[ 36.986969][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 36.986975][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 36.986978][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 36.986984][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 36.986988][ 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) 
[ 36.986994][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 36.986998][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 36.987002][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 36.987005][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 36.987010][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 36.987014][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 36.987017][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 36.987020][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 36.987022][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 36.987027][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 36.987030][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 36.987032][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 36.987037][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 36.987041][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 36.987046][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.987051][ C2] __put_net (net/core/net_namespace.c:732) 
[ 36.987055][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 36.987059][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 36.987062][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 36.987067][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 36.987071][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 36.987077][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.987083][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 36.987087][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 36.987094][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 36.987098][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 36.987100][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   36.987103][    C2]  </IRQ>
[   36.987104][    C2]  <TASK>
[ 36.987106][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 36.987109][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 36.987113][ 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
[   36.987116][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   36.987120][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff90c125d9
[   36.987122][    C2] RDX: ffffed1006c266fb RSI: ffffffff91058b60 RDI: ffffffff8e38f5bf
[   36.987123][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   36.987125][    C2] R10: ffff8880361337d3 R11: ffff888001ee4b58 R12: 0000000000000000
[   36.987127][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 36.987130][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 36.987133][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 36.987138][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 36.987140][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 36.987142][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 36.987146][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 36.987150][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 36.987155][ C2] do_idle (kernel/sched/idle.c:325) 
[ 36.987159][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 36.987163][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 36.987166][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 36.987171][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   40.896123][    C1] INFO: lockdep is turned off.
| [   40.896287][    C1] Preemption disabled at:
| [ 40.896289][ C1] handle_softirqs (kernel/softirq.c:553) 
| [   40.896644][    C1] Tainted: [W]=WARN
[   40.896645][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.896647][    C1] Call Trace:
[   40.896649][    C1]  <TASK>
[ 40.896652][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 40.896659][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 40.896665][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 40.896669][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 40.896672][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 40.896677][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.896683][ 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) 
[ 40.896688][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 40.896691][ 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) 
[ 40.896694][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 40.896700][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 40.896703][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 40.896708][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 40.896712][ 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) 
[ 40.896717][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 40.896722][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 40.896725][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 40.896729][ C1] ? kthread (kernel/kthread.c:464) 
[ 40.896732][ C1] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 40.896737][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 40.896742][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 40.896746][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 40.896750][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 40.896755][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.896760][ C1] __put_net (net/core/net_namespace.c:732) 
[ 40.896763][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 40.896767][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 40.896770][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 40.896775][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 40.896779][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.896783][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 40.896790][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 40.896794][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 40.896799][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 40.896803][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 40.896806][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 40.896809][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 40.896813][ C1] kthread (kernel/kthread.c:464) 
[ 40.896816][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 40.896818][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 40.896822][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.896827][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.896830][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 40.896834][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 40.896837][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 40.896840][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   44.970585][    C3] INFO: lockdep is turned off.
| [   44.970827][    C3] Preemption disabled at:
| [ 44.970829][ C3] 0x0 
| [   44.971273][    C3] Tainted: [W]=WARN
[   44.971274][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.971276][    C3] Call Trace:
[   44.971279][    C3]  <IRQ>
[ 44.971281][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 44.971292][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 44.971300][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 44.971305][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 44.971308][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 44.971314][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.971322][ 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) 
[ 44.971328][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 44.971331][ 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) 
[ 44.971334][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 44.971341][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 44.971344][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 44.971351][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 44.971355][ 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) 
[ 44.971363][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 44.971368][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 44.971372][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 44.971376][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 44.971382][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 44.971387][ C3] ? debug_lockdep_rcu_enabled (kernel/rcu/update.c:320 (discriminator 4)) 
[ 44.971391][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 44.971396][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 44.971401][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 44.971406][ C3] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 44.971413][ C3] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 44.971415][ C3] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 44.971418][ C3] ? __kmalloc_noprof (mm/slub.c:4328 mm/slub.c:4339) 
[ 44.971423][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 44.971429][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.971434][ C3] __put_net (net/core/net_namespace.c:732) 
[ 44.971439][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 44.971443][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 44.971446][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 44.971451][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 44.971455][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.971458][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 44.971467][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 44.971471][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 44.971479][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 44.971482][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 44.971485][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   44.971488][    C3]  </IRQ>
[   44.971490][    C3]  <TASK>
[ 44.971492][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 44.971495][ C3] RIP: 0010:debug_lockdep_rcu_enabled (kernel/rcu/update.c:320 (discriminator 4)) 
[ 44.971500][ C3] Code: 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 8b 05 96 46 bf 01 85 c0 74 20 8b 05 20 56 bf 01 <85> c0 74 16 65 48 8b 05 e8 02 b6 02 8b 80 5c 0a 00 00 85 c0 0f 94
All code
========
   0:	00 0f                	add    %cl,(%rdi)
   2:	1f                   	(bad)
   3:	44 00 00             	add    %r8b,(%rax)
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   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:	f3 0f 1e fa          	endbr64
  1a:	8b 05 96 46 bf 01    	mov    0x1bf4696(%rip),%eax        # 0x1bf46b6
  20:	85 c0                	test   %eax,%eax
  22:	74 20                	je     0x44
  24:	8b 05 20 56 bf 01    	mov    0x1bf5620(%rip),%eax        # 0x1bf564a
  2a:*	85 c0                	test   %eax,%eax		<-- trapping instruction
  2c:	74 16                	je     0x44
  2e:	65 48 8b 05 e8 02 b6 	mov    %gs:0x2b602e8(%rip),%rax        # 0x2b6031e
  35:	02 
  36:	8b 80 5c 0a 00 00    	mov    0xa5c(%rax),%eax
  3c:	85 c0                	test   %eax,%eax
  3e:	0f                   	.byte 0xf
  3f:	94                   	xchg   %eax,%esp

Code starting with the faulting instruction
===========================================
   0:	85 c0                	test   %eax,%eax
   2:	74 16                	je     0x1a
   4:	65 48 8b 05 e8 02 b6 	mov    %gs:0x2b602e8(%rip),%rax        # 0x2b602f4
   b:	02 
   c:	8b 80 5c 0a 00 00    	mov    0xa5c(%rax),%eax
  12:	85 c0                	test   %eax,%eax
  14:	0f                   	.byte 0xf
  15:	94                   	xchg   %eax,%esp
[   44.971502][    C3] RSP: 0018:ffffc90000c96cc8 EFLAGS: 00000202
[   44.971507][    C3] RAX: 0000000000000000 RBX: 1ffff92000192da4 RCX: 0000000000000002
[   44.971509][    C3] RDX: 0000000000000000 RSI: ffffffff91058b60 RDI: ffffffff918ffe38
[   44.971511][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   44.971512][    C3] R10: ffffffff8e214687 R11: ffffc90000c96e18 R12: ffffc90000c96e30
[   44.971514][    C3] R13: ffffc90000c96dd8 R14: ffff88801172c640 R15: ffffffff8f48953d
[ 44.971516][ C3] ? virtqueue_add_split (drivers/virtio/virtio_ring.c:493 drivers/virtio/virtio_ring.c:564) 
[ 44.971522][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 44.971527][ C3] ? virtqueue_add_split (drivers/virtio/virtio_ring.c:493 drivers/virtio/virtio_ring.c:564) 
[ 44.971529][ C3] unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 44.971533][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 44.971536][ C3] ? do_open (fs/namei.c:3888) 
[ 44.971543][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 44.971547][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 44.971552][ C3] ? do_open (fs/namei.c:3888) 
[ 44.971555][ C3] ? kernel_text_address (kernel/extable.c:99) 
[ 44.971561][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 44.971564][ C3] ? virtqueue_add_split (drivers/virtio/virtio_ring.c:493 drivers/virtio/virtio_ring.c:564) 
[ 44.971567][ C3] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 44.971571][ C3] ? do_open (fs/namei.c:3888) 
[ 44.971576][ C3] stack_trace_save (kernel/stacktrace.c:123) 
[ 44.971579][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 44.971582][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 44.971587][ C3] ? vfs_open (fs/open.c:1094) 
[ 44.971591][ C3] ? kernel_text_address (kernel/extable.c:99) 
[ 44.971594][ C3] kasan_save_stack (mm/kasan/common.c:48) 
[ 44.971597][ C3] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 44.971599][ C3] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 44.971602][ C3] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 44.971605][ C3] ? __kmalloc_noprof (mm/slub.c:4328 mm/slub.c:4339) 
[ 44.971608][ C3] ? virtqueue_add_split (drivers/virtio/virtio_ring.c:493 drivers/virtio/virtio_ring.c:564) 
[ 44.971610][ C3] ? virtqueue_add_sgs (drivers/virtio/virtio_ring.c:2282 drivers/virtio/virtio_ring.c:2316) 
[ 44.971612][ C3] ? virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1440) 
[ 44.971619][ C3] ? virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 44.971622][ C3] ? __fuse_simple_request (fs/fuse/dev.c:578 fs/fuse/dev.c:672) 
[ 44.971628][ C3] ? fuse_send_open (fs/fuse/file.c:28) 
[ 44.971632][ C3] ? fuse_file_open (fs/fuse/file.c:147) 
[ 44.971636][ C3] ? fuse_open (fs/fuse/file.c:175 fs/fuse/file.c:264) 
[ 44.971639][ C3] ? do_dentry_open (fs/open.c:964) 
[ 44.971642][ C3] ? vfs_open (fs/open.c:1094) 
[ 44.971644][ C3] ? backing_file_open (fs/backing-file.c:45) 
[ 44.971651][ C3] ? ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 44.971655][ C3] ? ovl_open (fs/overlayfs/file.c:222) 
[ 44.971657][ C3] ? do_dentry_open (fs/open.c:964) 
[ 44.971659][ C3] ? vfs_open (fs/open.c:1094) 
[ 44.971662][ C3] ? do_open (fs/namei.c:3888) 
[ 44.971666][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 44.971669][ C3] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 44.971675][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 44.971678][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 44.971681][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.971685][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.971689][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 44.971692][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.971697][ C3] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 44.971700][ C3] __kasan_kmalloc (mm/kasan/common.c:398) 
[ 44.971704][ C3] __kmalloc_noprof (mm/slub.c:4328 mm/slub.c:4339) 
[ 44.971706][ C3] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 44.971711][ C3] virtqueue_add_split (drivers/virtio/virtio_ring.c:493 drivers/virtio/virtio_ring.c:564) 
[ 44.971714][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 44.971719][ C3] ? __pfx_virtqueue_add_split (drivers/virtio/virtio_ring.c:538) 
[ 44.971722][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.971726][ C3] ? sg_init_one (./include/linux/scatterlist.h:189 lib/scatterlist.c:144) 
[ 44.971732][ C3] virtqueue_add_sgs (drivers/virtio/virtio_ring.c:2282 drivers/virtio/virtio_ring.c:2316) 
[ 44.971736][ C3] virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1440) 
[ 44.971742][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.971746][ C3] ? __pfx_virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1376) 
[ 44.971749][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.971753][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.971760][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 44.971763][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 44.971766][ C3] ? fuse_get_unique (fs/fuse/dev.c:317) 
[ 44.971768][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.971772][ 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) 
[ 44.971776][ C3] virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 44.971780][ C3] ? fuse_send_one (fs/fuse/dev.c:400) 
[ 44.971784][ C3] __fuse_simple_request (fs/fuse/dev.c:578 fs/fuse/dev.c:672) 
[ 44.971787][ C3] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 44.971791][ C3] fuse_send_open (fs/fuse/file.c:28) 
[ 44.971794][ C3] ? __pfx_fuse_send_open (fs/fuse/file.c:28) 
[ 44.971797][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 44.971800][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.971806][ C3] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 44.971811][ C3] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 44.971815][ C3] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 44.971819][ C3] fuse_file_open (fs/fuse/file.c:147) 
[ 44.971824][ C3] fuse_open (fs/fuse/file.c:175 fs/fuse/file.c:264) 
[ 44.971829][ C3] do_dentry_open (fs/open.c:964) 
[ 44.971831][ C3] ? __pfx_fuse_open (fs/fuse/file.c:234) 
[ 44.971835][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 44.971838][ C3] vfs_open (fs/open.c:1094) 
[ 44.971843][ C3] backing_file_open (fs/backing-file.c:45) 
[ 44.971846][ C3] ? inode_owner_or_capable (./include/linux/mnt_idmapping.h:87 fs/inode.c:2591) 
[ 44.971850][ C3] ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 44.971855][ C3] ovl_open (fs/overlayfs/file.c:222) 
[ 44.971858][ C3] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 44.971861][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.971865][ C3] do_dentry_open (fs/open.c:964) 
[ 44.971868][ C3] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 44.971872][ C3] vfs_open (fs/open.c:1094) 
[ 44.971879][ C3] do_open (fs/namei.c:3888) 
[ 44.971884][ C3] path_openat (fs/namei.c:4046) 
[ 44.971887][ C3] ? __pfx_path_openat (fs/namei.c:4028) 
[ 44.971890][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.971893][ C3] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 44.971898][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.971901][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 44.971905][ C3] do_filp_open (fs/namei.c:4073) 
[ 44.971908][ C3] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.971911][ C3] ? __pfx_do_filp_open (fs/namei.c:4067) 
[ 44.971913][ C3] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 44.971917][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 44.971922][ C3] ? __pfx_page_put_link (fs/namei.c:5478) 
[ 44.971926][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 44.971931][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 44.971935][ C3] do_open_execat (fs/exec.c:833) 
[ 44.971940][ C3] ? __pfx_do_open_execat (fs/exec.c:815) 
[ 44.971944][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 44.971947][ C3] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 44.971951][ C3] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 44.971953][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.971957][ C3] alloc_bprm (fs/exec.c:1458) 
[ 44.971962][ C3] do_execveat_common.isra.0 (fs/exec.c:1859) 
[ 44.971966][ C3] ? getname_flags.part.0 (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 fs/namei.c:132 fs/namei.c:213) 
[ 44.971970][ C3] __x64_sys_execve (fs/exec.c:2053) 
[ 44.971973][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.971977][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.971979][    C3] RIP: 0033:0x7f36ed16e40b
[ 44.971982][ C3] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48
All code
========
   0:	c0 75 03 5f          	shlb   $0x5f,0x3(%rbp)
   4:	ff e7                	jmp    *%rdi
   6:	c3                   	ret
   7:	48 8b 0d f1 a9 1b 00 	mov    0x1ba9f1(%rip),%rcx        # 0x1ba9ff
   e:	f7 d8                	neg    %eax
  10:	64 89 01             	mov    %eax,%fs:(%rcx)
  13:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  17:	c3                   	ret
  18:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 3b 00 00 00       	mov    $0x3b,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9ff
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9d5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   44.971984][    C3] RSP: 002b:00007fff699f8eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   44.971987][    C3] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f36ed16e40b
[   44.971989][    C3] RDX: 000055c8f2967ea0 RSI: 000055c8f29090c0 RDI: 000055c8f2966cf0
[   44.971990][    C3] RBP: 000055c8f2966cf0 R08: 000055c8f2968ab0 R09: 0000000000000000
[   44.971992][    C3] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[   44.971994][    C3] R13: 000055c8f29090c0 R14: 000055c8f2967ea0 R15: 000055c8f2964ef0
| [   49.009006][    C3] INFO: lockdep is turned off.
| [   49.009199][    C3] Preemption disabled at:
| [ 49.009201][ C3] 0x0 
| [   49.009559][    C3] Tainted: [W]=WARN
[   49.009561][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.009563][    C3] Call Trace:
[   49.009565][    C3]  <IRQ>
[ 49.009568][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 49.009580][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 49.009588][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 49.009593][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 49.009596][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 49.009602][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.009610][ 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) 
[ 49.009616][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 49.009619][ 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) 
[ 49.009622][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 49.009629][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 49.009632][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 49.009639][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 49.009643][ 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) 
[ 49.009651][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 49.009656][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 49.009660][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 49.009664][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 49.009670][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 49.009674][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 49.009677][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 49.009681][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 49.009683][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 49.009689][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 49.009692][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 49.009695][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 49.009701][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 49.009706][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 49.009712][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.009717][ C3] __put_net (net/core/net_namespace.c:732) 
[ 49.009721][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 49.009725][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 49.009728][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 49.009734][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 49.009738][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 49.009745][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 49.009752][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 49.009756][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 49.009764][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 49.009768][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 49.009770][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   49.009773][    C3]  </IRQ>
[   49.009775][    C3]  <TASK>
[ 49.009776][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 49.009779][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 49.009783][ 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
[   49.009786][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   49.009790][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff90c125d9
[   49.009792][    C3] RDX: ffffed1006c366fb RSI: ffffffff91058b60 RDI: ffffffff8e38f5bf
[   49.009794][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   49.009796][    C3] R10: ffff8880361b37d3 R11: ffff8880361a834c R12: 0000000000000000
[   49.009797][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 49.009801][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 49.009804][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 49.009809][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 49.009811][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 49.009814][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 49.009817][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 49.009821][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 49.009827][ C3] do_idle (kernel/sched/idle.c:325) 
[ 49.009831][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 49.009834][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 49.009838][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 49.009843][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   52.472627][    C3] INFO: lockdep is turned off.
| [   52.472837][    C3] Preemption disabled at:
| [ 52.472839][ C3] handle_softirqs (kernel/softirq.c:553) 
| [   52.473294][    C3] Tainted: [W]=WARN
[   52.473295][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.473298][    C3] Call Trace:
[   52.473301][    C3]  <IRQ>
[ 52.473303][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 52.473314][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 52.473320][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 52.473326][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 52.473329][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 52.473335][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.473343][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 52.473349][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 52.473352][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 52.473355][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 52.473363][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 52.473366][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 52.473373][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 52.473376][ 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) 
[ 52.473384][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 52.473389][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 52.473393][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 52.473395][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 52.473401][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 52.473405][ C3] ? bad_range (mm/page_alloc.c:460) 
[ 52.473410][ C3] ? rmqueue.constprop.0 (mm/page_alloc.c:3168) 
[ 52.473414][ C3] ? get_page_from_freelist (mm/page_alloc.c:3679) 
[ 52.473417][ C3] ? __alloc_frozen_pages_noprof (mm/page_alloc.c:4971) 
[ 52.473421][ C3] ? alloc_pages_mpol (mm/mempolicy.c:2303) 
[ 52.473426][ C3] ? folio_alloc_noprof (mm/mempolicy.c:2392 mm/mempolicy.c:2402) 
[ 52.473430][ C3] ? ractl_alloc_folio.constprop.0 (mm/readahead.c:186) 
[ 52.473435][ C3] ? page_cache_ra_unbounded (mm/readahead.c:270) 
[ 52.473438][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 52.473444][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.473449][ C3] __put_net (net/core/net_namespace.c:732) 
[ 52.473454][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 52.473458][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 52.473461][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 52.473466][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 52.473470][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.473474][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 52.473482][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 52.473486][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 52.473491][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 52.473495][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 52.473497][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   52.473500][    C3]  </IRQ>
[   52.473501][    C3]  <TASK>
[ 52.473503][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 52.473506][ C3] RIP: 0010:bad_range (mm/page_alloc.c:460) 
[ 52.473509][ C3] Code: 40 28 f6 91 e8 dc 1f 7c 00 e9 64 ff ff ff 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 <41> 57 48 c7 c0 20 74 8f 91 48 ba 00 00 00 00 00 fc ff df 41 56 48
All code
========
   0:	40 28 f6             	sub    %sil,%sil
   3:	91                   	xchg   %eax,%ecx
   4:	e8 dc 1f 7c 00       	call   0x7c1fe5
   9:	e9 64 ff ff ff       	jmp    0xffffffffffffff72
   e:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  2a:*	41 57                	push   %r15		<-- trapping instruction
  2c:	48 c7 c0 20 74 8f 91 	mov    $0xffffffff918f7420,%rax
  33:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  3a:	fc ff df 
  3d:	41 56                	push   %r14
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	41 57                	push   %r15
   2:	48 c7 c0 20 74 8f 91 	mov    $0xffffffff918f7420,%rax
   9:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  10:	fc ff df 
  13:	41 56                	push   %r14
  15:	48                   	rex.W
[   52.473512][    C3] RSP: 0000:ffffc90000ae7568 EFLAGS: 00000286
[   52.473517][    C3] RAX: 0000000000000000 RBX: ffff88803fffacc8 RCX: ffffffff8eab8f0a
[   52.473519][    C3] RDX: 1ffff11007fff599 RSI: ffffea000060d9c0 RDI: ffff88803fffa780
[   52.473521][    C3] RBP: 0000000000000030 R08: 0000000000000000 R09: ffffed1007fff599
[   52.473523][    C3] R10: ffff88803fffaccf R11: dffffc0000000000 R12: ffffea000060d9c0
[   52.473524][    C3] R13: ffff88803fffa780 R14: ffffffff9378fc40 R15: 0000000000000000
[ 52.473528][ C3] ? rmqueue.constprop.0 (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 mm/page_alloc.c:3163) 
[ 52.473533][ C3] rmqueue.constprop.0 (mm/page_alloc.c:3168) 
[ 52.473537][ C3] ? trace_kmem_cache_alloc (./include/trace/events/kmem.h:12 (discriminator 21)) 
[ 52.473541][ C3] ? kmem_cache_alloc_lru_noprof (mm/slub.c:4221) 
[ 52.473546][ C3] ? fuse_request_queue_background (fs/fuse/dev.c:731) 
[ 52.473552][ C3] ? workingset_update_node (mm/workingset.c:616) 
[ 52.473558][ C3] ? __pfx_rmqueue.constprop.0 (mm/page_alloc.c:3143) 
[ 52.473562][ C3] ? kasan_unpoison (mm/kasan/shadow.c:156 mm/kasan/shadow.c:182) 
[ 52.473567][ C3] ? __kasan_unpoison_pages (mm/kasan/common.c:136) 
[ 52.473571][ C3] ? post_alloc_hook (mm/page_alloc.c:1693) 
[ 52.473574][ C3] ? xas_create (./include/linux/xarray.h:1229 lib/xarray.c:674) 
[ 52.473578][ C3] get_page_from_freelist (mm/page_alloc.c:3679) 
[ 52.473584][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.473588][ C3] __alloc_frozen_pages_noprof (mm/page_alloc.c:4971) 
[ 52.473592][ C3] ? __pfx___alloc_frozen_pages_noprof (mm/page_alloc.c:4936) 
[ 52.473599][ C3] ? xa_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/xarray.c:1621) 
[ 52.473603][ C3] alloc_pages_mpol (mm/mempolicy.c:2303) 
[ 52.473607][ C3] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2258) 
[ 52.473609][ C3] ? __pfx_xa_load (lib/xarray.c:1613) 
[ 52.473614][ C3] folio_alloc_noprof (mm/mempolicy.c:2392 mm/mempolicy.c:2402) 
[ 52.473618][ C3] ractl_alloc_folio.constprop.0 (mm/readahead.c:186) 
[ 52.473621][ C3] page_cache_ra_unbounded (mm/readahead.c:270) 
[ 52.473627][ C3] do_sync_mmap_readahead (mm/filemap.c:3263) 
[ 52.473633][ C3] ? __pfx_do_sync_mmap_readahead (mm/filemap.c:3203) 
[ 52.473636][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 52.473644][ C3] ? __filemap_get_folio (mm/filemap.c:1907) 
[ 52.473650][ C3] filemap_fault (mm/filemap.c:3403) 
[ 52.473654][ C3] ? __pfx_filemap_map_pages (mm/filemap.c:3692) 
[ 52.473657][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 52.473661][ C3] ? __pfx_filemap_fault (mm/filemap.c:3362) 
[ 52.473665][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.473668][ C3] ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/memory.c:5479) 
[ 52.473673][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.473676][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 52.473679][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 52.473683][ C3] __do_fault (mm/memory.c:5098) 
[ 52.473687][ C3] do_pte_missing (mm/memory.c:5518 mm/memory.c:5652 mm/memory.c:4160) 
[ 52.473690][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 52.473694][ C3] handle_pte_fault (mm/memory.c:5997) 
[ 52.473697][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 52.473701][ C3] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 52.473704][ C3] ? mtree_range_walk (lib/maple_tree.c:800 lib/maple_tree.c:2787) 
[ 52.473712][ C3] __handle_mm_fault (mm/memory.c:6140) 
[ 52.473716][ C3] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 52.473719][ C3] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 52.473725][ C3] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 52.473730][ C3] handle_mm_fault (mm/memory.c:6321) 
[ 52.473734][ C3] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 52.473737][ C3] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 52.473743][ C3] do_user_addr_fault (arch/x86/mm/fault.c:1337) 
[ 52.473749][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.473753][ C3] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 52.473757][ C3] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[   52.473760][    C3] RIP: 0033:0x7fd1967a0be0
[ 52.473767][ C3] Code: Unable to access opcode bytes at 0x7fd1967a0bb6.

Code starting with the faulting instruction
===========================================
[   52.473769][    C3] RSP: 002b:00007ffe39683c08 EFLAGS: 00010246
[   52.473771][    C3] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ffe39683cd8
[   52.473773][    C3] RDX: 00007ffe39683cd8 RSI: 00007ffe39683cb8 RDI: 00007fd1969aabc0
[   52.473774][    C3] RBP: 0000000000000003 R08: 00007fd1964864d0 R09: 000000000000081c
[   52.473776][    C3] R10: 0000000000050657 R11: 0000000000000006 R12: 00007fd1969aabc0
[   52.473777][    C3] R13: 00007ffe39683cd8 R14: 00007fd1969f1220 R15: 0000000000000000
| [   55.019378][    C2] INFO: lockdep is turned off.
| [   55.019550][    C2] Preemption disabled at:
| [ 55.019552][ C2] handle_softirqs (kernel/softirq.c:553) 
| [   55.019924][    C2] Tainted: [W]=WARN
[   55.019925][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.019928][    C2] Call Trace:
[   55.019931][    C2]  <TASK>
[ 55.019933][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 55.019945][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 55.019952][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 55.019958][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 55.019961][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 55.019968][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.019977][ 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) 
[ 55.019983][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 55.019986][ 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) 
[ 55.019988][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 55.019996][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 55.019999][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 55.020006][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 55.020010][ 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) 
[ 55.020019][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 55.020024][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 55.020028][ C2] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 55.020031][ C2] ? kthread (kernel/kthread.c:464) 
[ 55.020036][ C2] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 55.020041][ C2] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 55.020046][ C2] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 55.020050][ C2] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 55.020054][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 55.020061][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.020065][ C2] __put_net (net/core/net_namespace.c:732) 
[ 55.020070][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 55.020074][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 55.020077][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 55.020082][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 55.020086][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.020089][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 55.020098][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 55.020103][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 55.020107][ C2] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 55.020111][ C2] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 55.020115][ C2] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 55.020118][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 55.020121][ C2] kthread (kernel/kthread.c:464) 
[ 55.020124][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 55.020127][ C2] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 55.020130][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.020137][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.020141][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 55.020144][ C2] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 55.020148][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 55.020151][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   58.297281][    C1] INFO: lockdep is turned off.
| [   58.297443][    C1] Preemption disabled at:
| [ 58.297445][ C1] handle_softirqs (kernel/softirq.c:553) 
| [   58.297785][    C1] Tainted: [W]=WARN
[   58.297787][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.297789][    C1] Call Trace:
[   58.297791][    C1]  <TASK>
[ 58.297793][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 58.297801][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 58.297807][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 58.297811][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 58.297814][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 58.297818][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.297824][ 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) 
[ 58.297829][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 58.297832][ 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) 
[ 58.297834][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 58.297840][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 58.297843][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 58.297849][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 58.297853][ 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) 
[ 58.297859][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 58.297863][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 58.297866][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 58.297870][ C1] ? kthread (kernel/kthread.c:464) 
[ 58.297874][ C1] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 58.297882][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 58.297887][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 58.297892][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 58.297895][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 58.297900][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.297905][ C1] __put_net (net/core/net_namespace.c:732) 
[ 58.297909][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 58.297913][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 58.297916][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 58.297921][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 58.297925][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.297928][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 58.297935][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 58.297939][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 58.297944][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 58.297948][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 58.297951][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 58.297954][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 58.297958][ C1] kthread (kernel/kthread.c:464) 
[ 58.297961][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 58.297963][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 58.297966][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.297972][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.297975][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 58.297979][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 58.297982][ C1] ? __pfx_kthread (kernel/kthread.c:413) 


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
handle_softirqs:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal