======================================
| [   14.814227][    C3] 1 lock held by swapper/3/0:
| [ 14.814422][ C3] #0: ffffffff9ef774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   14.814759][    C3]
| [   14.814759][    C3] stack backtrace:
[   14.814994][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.814996][    C3] Call Trace:
[   14.814998][    C3]  <IRQ>
[ 14.815000][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.815006][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 14.815011][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 14.815015][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 14.815019][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 14.815026][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 14.815030][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 14.815033][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 14.815036][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.815040][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 14.815043][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.815047][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.815051][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 14.815053][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.815058][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 14.815061][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.815065][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 14.815069][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 14.815072][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 14.815077][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 14.815081][ 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) 
[ 14.815087][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.815089][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 14.815092][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.815095][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.815100][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.815103][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.815107][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.815109][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.815111][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.815114][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.815116][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.815119][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.815122][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.815130][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.815134][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.815138][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.815140][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.815143][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.815148][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.815151][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.815155][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.815158][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.815163][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.815167][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.815172][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.815175][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.815178][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.815181][    C3]  </IRQ>
[   14.815182][    C3]  <TASK>
[ 14.815184][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.815187][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.815191][ C3] Code: 92 b5 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 37 10 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:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  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
[   14.815193][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   14.815196][    C3] RAX: 0000000000048d37 RBX: 1ffff9200002afc1 RCX: ffffffff9df905d9
[   14.815198][    C3] RDX: 0000000000000000 RSI: ffffffff9ea8f4e4 RDI: ffffffff9e253be0
[   14.815200][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005eb66fa
[   14.815201][    C3] R10: ffff88802f5b37d3 R11: ffffffff9ec11288 R12: 0000000000000000
[   14.815203][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.815207][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.815212][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.815214][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.815217][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.815220][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.815224][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.815228][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.815232][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.815235][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.815237][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.815242][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   14.830884][    C3] RCU nest depth: 0, expected: 0
| [   14.831054][    C3] INFO: lockdep is turned off.
| [   14.831234][    C3] Preemption disabled at:
| [ 14.831236][ C3] 0x0 
[   14.831650][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.831651][    C3] Call Trace:
[   14.831653][    C3]  <IRQ>
[ 14.831655][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.831661][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 14.831668][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 14.831672][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 14.831675][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 14.831678][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.831683][ 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) 
[ 14.831688][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 14.831691][ 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) 
[ 14.831694][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 14.831700][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 14.831702][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 14.831708][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 14.831711][ 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) 
[ 14.831716][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.831719][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 14.831722][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.831726][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.831731][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.831734][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.831738][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.831740][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.831743][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.831746][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.831748][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.831750][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.831754][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.831760][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.831763][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.831767][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.831770][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.831773][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.831778][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.831782][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.831786][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.831789][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.831794][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.831798][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.831803][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.831806][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.831808][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.831812][    C3]  </IRQ>
[   14.831813][    C3]  <TASK>
[ 14.831815][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.831817][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.831821][ C3] Code: 92 b5 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 37 10 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:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  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
[   14.831824][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   14.831827][    C3] RAX: 0000000000048d37 RBX: 1ffff9200002afc1 RCX: ffffffff9df905d9
[   14.831829][    C3] RDX: 0000000000000000 RSI: ffffffff9ea8f4e4 RDI: ffffffff9e253be0
[   14.831831][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005eb66fa
[   14.831832][    C3] R10: ffff88802f5b37d3 R11: ffffffff9ec11288 R12: 0000000000000000
[   14.831834][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.831838][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.831842][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.831845][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.831847][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.831850][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.831854][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.831858][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.831862][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.831865][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.831867][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.831872][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.430247][    C2] INFO: lockdep is turned off.
| [   16.430423][    C2] Preemption disabled at:
| [ 16.430425][ C2] fpu__clear_user_states (arch/x86/kernel/fpu/core.c:799 (discriminator 3)) 
| [   16.430795][    C2] Tainted: [W]=WARN
[   16.430796][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.430798][    C2] Call Trace:
[   16.430801][    C2]  <IRQ>
[ 16.430802][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.430810][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 16.430816][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.430820][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.430823][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.430828][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.430833][ 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) 
[ 16.430838][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.430841][ 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) 
[ 16.430844][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.430850][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.430853][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.430858][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.430862][ 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) 
[ 16.430867][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.430871][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.430874][ C2] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 16.430879][ C2] ? handle_signal (arch/x86/kernel/signal.c:310) 
[ 16.430883][ C2] ? arch_do_signal_or_restart (arch/x86/kernel/signal.c:340) 
[ 16.430887][ C2] ? exit_to_user_mode_loop (kernel/entry/common.c:113) 
[ 16.430891][ C2] ? do_syscall_64 (./include/linux/entry-common.h:330 ./include/linux/entry-common.h:414 ./include/linux/entry-common.h:449 arch/x86/entry/syscall_64.c:100) 
[ 16.430895][ C2] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 16.430898][ C2] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 16.430902][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.430906][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.430911][ C2] __put_net (net/core/net_namespace.c:732) 
[ 16.430914][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.430919][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.430921][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.430926][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.430929][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.430932][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.430939][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.430944][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 16.430948][ C2] ? fpu__clear_user_states (./include/linux/bottom_half.h:33 ./arch/x86/include/asm/fpu/api.h:77 arch/x86/kernel/fpu/core.c:814) 
[ 16.430951][ C2] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[   16.430954][    C2]  </IRQ>
[   16.430955][    C2]  <TASK>
[ 16.430956][ C2] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 16.430960][ C2] handle_signal (arch/x86/kernel/signal.c:310) 
[ 16.430964][ C2] arch_do_signal_or_restart (arch/x86/kernel/signal.c:340) 
[ 16.430968][ C2] ? __pfx_arch_do_signal_or_restart (arch/x86/kernel/signal.c:334) 
[ 16.430974][ C2] ? __x64_sys_rt_sigsuspend (kernel/signal.c:4858 kernel/signal.c:4848 kernel/signal.c:4848) 
[ 16.430977][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.430981][ C2] exit_to_user_mode_loop (kernel/entry/common.c:113) 
[ 16.430985][ C2] do_syscall_64 (./include/linux/entry-common.h:330 ./include/linux/entry-common.h:414 ./include/linux/entry-common.h:449 arch/x86/entry/syscall_64.c:100) 
[ 16.430988][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.430991][    C2] RIP: 0033:0x559c0f236270
[ 16.430995][ C2] Code: ff e8 64 ff ff ff c6 05 0d 70 00 00 01 5d c3 0f 1f 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa e9 77 ff ff ff 0f 1f 80 00 00 00 00 <f3> 0f 1e fa c3 66 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7
All code
========
   0:	ff                   	ljmp   (bad)
   1:	e8 64 ff ff ff       	call   0xffffffffffffff6a
   6:	c6 05 0d 70 00 00 01 	movb   $0x1,0x700d(%rip)        # 0x701a
   d:	5d                   	pop    %rbp
   e:	c3                   	ret
   f:	0f 1f 00             	nopl   (%rax)
  12:	c3                   	ret
  13:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1a:	f3 0f 1e fa          	endbr64
  1e:	e9 77 ff ff ff       	jmp    0xffffffffffffff9a
  23:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  2a:*	f3 0f 1e fa          	endbr64		<-- trapping instruction
  2e:	c3                   	ret
  2f:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 00 
  3a:	48 89 f8             	mov    %rdi,%rax
  3d:	48 89 f7             	mov    %rsi,%rdi

Code starting with the faulting instruction
===========================================
   0:	f3 0f 1e fa          	endbr64
   4:	c3                   	ret
   5:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 00 
  10:	48 89 f8             	mov    %rdi,%rax
  13:	48 89 f7             	mov    %rsi,%rdi
[   16.430998][    C2] RSP: 002b:00007fff042f1b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000082
[   16.431002][    C2] RAX: 0000000000000000 RBX: 00007fff042f28b8 RCX: 00007f705087906c
[   16.431003][    C2] RDX: 00007fff042f1b80 RSI: 00007fff042f1cb0 RDI: 0000000000000011
[   16.431005][    C2] RBP: 00007fff042f2960 R08: 00007fff042f2960 R09: 0000000000000000
[   16.431007][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff042f28e0


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
fpu__clear_user_states:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal