======================================
| [ 12.572541][ C0] #3: ffffffffa6b745a0 (rcu_read_lock){....}-{1:3}, at: 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) 
| [ 12.572897][ C0] #4: ffffffffa6b74480 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2562) 
| [   12.573252][    C0]
| [   12.573252][    C0] stack backtrace:
[   12.573518][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.573520][    C0] Call Trace:
[   12.573522][    C0]  <IRQ>
[ 12.573523][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 12.573530][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 12.573534][ C0] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 12.573537][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 12.573541][ C0] ? save_trace (kernel/locking/lockdep.c:594) 
[ 12.573546][ C0] mark_lock (kernel/locking/lockdep.c:4754) 
[ 12.573549][ C0] mark_usage (kernel/locking/lockdep.c:4643) 
[ 12.573552][ C0] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 12.573556][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 12.573559][ C0] ? simple_pin_fs (fs/libfs.c:1066) 
[ 12.573562][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 12.573565][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 12.573567][ C0] ? simple_pin_fs (fs/libfs.c:1066) 
[ 12.573571][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 12.573574][ C0] ? simple_pin_fs (fs/libfs.c:1066) 
[ 12.573576][ C0] simple_pin_fs (fs/libfs.c:1066) 
[ 12.573579][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 12.573582][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 12.573588][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 12.573591][ 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:2333) 
[ 12.573596][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 12.573599][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 12.573603][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 12.573605][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 12.573609][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 12.573613][ C0] ? __pfx_debug_lockdep_rcu_enabled (kernel/rcu/update.c:319) 
[ 12.573616][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 12.573618][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 12.573623][ C0] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 12.573627][ C0] ? set_track_prepare (mm/slub.c:936) 
[ 12.573633][ C0] ? __alloc_object (mm/kmemleak.c:697) 
[ 12.573635][ C0] ? __create_object (mm/kmemleak.c:770) 
[ 12.573637][ C0] ? kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) 
[ 12.573643][ C0] __put_net (net/core/net_namespace.c:732) 
[ 12.573647][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 12.573651][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 12.573654][ C0] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 12.573658][ C0] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 12.573662][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 12.573666][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 12.573668][ C0] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 12.573672][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 12.573676][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 12.573680][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 12.573684][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 12.573687][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 12.573690][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   12.573693][    C0]  </IRQ>
[   12.573694][    C0]  <TASK>
[ 12.573696][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 12.573698][ C0] RIP: 0010:debug_lockdep_rcu_enabled (kernel/rcu/update.c:319) 
[ 12.573702][ C0] Code: 00 00 eb b6 e8 d1 f9 ff ff eb b6 66 2e 0f 1f 84 00 00 00 00 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 26 16 a7 01 85 c0 74 20 8b 05 a0 23 a7 01 85 c0
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	eb b6                	jmp    0xffffffffffffffba
   4:	e8 d1 f9 ff ff       	call   0xfffffffffffff9da
   9:	eb b6                	jmp    0xffffffffffffffc1
   b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  12:	00 00 00 
  15:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  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:	90                   	nop
  26:	90                   	nop
  27:	90                   	nop
  28:	90                   	nop
  29:	90                   	nop
  2a:*	f3 0f 1e fa          	endbr64		<-- trapping instruction
  2e:	8b 05 26 16 a7 01    	mov    0x1a71626(%rip),%eax        # 0x1a7165a
  34:	85 c0                	test   %eax,%eax
  36:	74 20                	je     0x58
  38:	8b 05 a0 23 a7 01    	mov    0x1a723a0(%rip),%eax        # 0x1a723de
  3e:	85 c0                	test   %eax,%eax

Code starting with the faulting instruction
===========================================
   0:	f3 0f 1e fa          	endbr64
   4:	8b 05 26 16 a7 01    	mov    0x1a71626(%rip),%eax        # 0x1a71630
   a:	85 c0                	test   %eax,%eax
   c:	74 20                	je     0x2e
   e:	8b 05 a0 23 a7 01    	mov    0x1a723a0(%rip),%eax        # 0x1a723b4
  14:	85 c0                	test   %eax,%eax
[   12.573705][    C0] RSP: 0018:ffffc90000507630 EFLAGS: 00000296
[   12.573709][    C0] RAX: 0000000000000000 RBX: 1ffff920000a0ed1 RCX: 0000000000000001
[   12.573711][    C0] RDX: 0000000000000000 RSI: ffffffffa667168b RDI: ffffffffa5e50e20
[   12.573712][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
[   12.573714][    C0] R10: 0000000000000078 R11: ffffffffa6b745a0 R12: ffffc90000507798
[   12.573716][    C0] R13: ffffc90000507740 R14: ffff88800588c640 R15: 0000000000000cc0
[ 12.573721][ C0] unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 12.573724][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 12.573726][ C0] ? kernel_clone (./include/linux/random.h:26 kernel/fork.c:2845) 
[ 12.573729][ C0] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 12.573733][ C0] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 12.573735][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 12.573739][ C0] ? kernel_clone (./include/linux/random.h:26 kernel/fork.c:2845) 
[ 12.573741][ C0] ? kernel_text_address (kernel/extable.c:99) 
[ 12.573746][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 12.573750][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 12.573755][ C0] ? kernel_clone (./include/linux/random.h:26 kernel/fork.c:2845) 
[ 12.573759][ C0] stack_trace_save (kernel/stacktrace.c:123) 
[ 12.573762][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 12.573768][ C0] set_track_prepare (mm/slub.c:936) 
[ 12.573771][ C0] ? kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) 
[ 12.573774][ C0] ? vm_area_dup (kernel/fork.c:488) 
[ 12.573777][ C0] ? dup_mmap (kernel/fork.c:672) 
[ 12.573779][ C0] ? copy_mm (kernel/fork.c:1735 kernel/fork.c:1786) 
[ 12.573781][ C0] ? copy_process (kernel/fork.c:2429) 
[ 12.573784][ C0] ? kernel_clone (./include/linux/random.h:26 kernel/fork.c:2845) 
[ 12.573786][ C0] ? lockdep_init_map_type (kernel/locking/lockdep.c:4974) 
[ 12.573791][ C0] __alloc_object (mm/kmemleak.c:697) 
[ 12.573793][ C0] __create_object (mm/kmemleak.c:770) 
[ 12.573797][ C0] kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) 
[ 12.573800][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 12.573804][ C0] vm_area_dup (kernel/fork.c:488) 
[ 12.573807][ C0] dup_mmap (kernel/fork.c:672) 
[ 12.573812][ C0] ? __pfx_dup_mmap (kernel/fork.c:613) 
[ 12.573817][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 12.573822][ C0] copy_mm (kernel/fork.c:1735 kernel/fork.c:1786) 
[ 12.573825][ C0] copy_process (kernel/fork.c:2429) 
[ 12.573828][ C0] ? do_fault_around (mm/memory.c:5482) 
[ 12.573835][ C0] ? __pfx_copy_process (kernel/fork.c:2178) 
[ 12.573838][ C0] ? handle_pte_fault (mm/memory.c:5997) 
[ 12.573842][ C0] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 12.573845][ C0] ? reacquire_held_locks (kernel/locking/lockdep.c:5383) 
[ 12.573847][ C0] ? do_user_addr_fault (arch/x86/mm/fault.c:1328) 
[ 12.573853][ C0] kernel_clone (./include/linux/random.h:26 kernel/fork.c:2845) 
[ 12.573857][ C0] ? __pfx_kernel_clone (kernel/fork.c:2804) 
[ 12.573864][ C0] __do_sys_clone (kernel/fork.c:2976) 
[ 12.573867][ C0] ? __pfx___do_sys_clone (kernel/fork.c:2976) 
[ 12.573870][ C0] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 12.573877][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 12.573879][ C0] ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:198 arch/x86/entry/syscall_64.c:90) 
[ 12.573884][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 12.573887][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 12.573891][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   12.573894][    C0] RIP: 0033:0x7f4f80472a47
[ 12.573899][ C0] Code: 00 00 00 f3 0f 1e fa 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 39 41 89 c0 85 c0 75 2a 64 48 8b 04 25 10 00
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	00 f3                	add    %dh,%bl
   4:	0f 1e fa             	nop    %edx
   7:	64 48 8b 04 25 10 00 	mov    %fs:0x10,%rax
   e:	00 00 
  10:	45 31 c0             	xor    %r8d,%r8d
  13:	31 d2                	xor    %edx,%edx
  15:	31 f6                	xor    %esi,%esi
  17:	bf 11 00 20 01       	mov    $0x1200011,%edi
  1c:	4c 8d 90 d0 02 00 00 	lea    0x2d0(%rax),%r10
  23:	b8 38 00 00 00       	mov    $0x38,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 39                	ja     0x6b
  32:	41 89 c0             	mov    %eax,%r8d
  35:	85 c0                	test   %eax,%eax
  37:	75 2a                	jne    0x63
  39:	64                   	fs
  3a:	48                   	rex.W
  3b:	8b                   	.byte 0x8b
  3c:	04 25                	add    $0x25,%al
  3e:	10 00                	adc    %al,(%rax)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 39                	ja     0x41
   8:	41 89 c0             	mov    %eax,%r8d
   b:	85 c0                	test   %eax,%eax
   d:	75 2a                	jne    0x39
   f:	64                   	fs
  10:	48                   	rex.W
  11:	8b                   	.byte 0x8b
  12:	04 25                	add    $0x25,%al
  14:	10 00                	adc    %al,(%rax)
[   12.573901][    C0] RSP: 002b:00007ffdb0aa30f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   12.573903][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4f80472a47
[   12.573905][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[   12.573907][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055711e36d990
[   12.573908][    C0] R10: 00007f4f7f9f2e10 R11: 0000000000000246 R12: 0000000000000003
[   12.573910][    C0] R13: 00007ffdb0aa32b0 R14: 0000000000000000 R15: 00007ffdb0aa3230
| [   12.602142][    C0] RCU nest depth: 1, expected: 0
| [   12.602344][    C0] INFO: lockdep is turned off.
| [   12.602554][    C0] Preemption disabled at:
| [ 12.602556][ C0] handle_softirqs (kernel/softirq.c:553) 
[   12.602989][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.602991][    C0] Call Trace:
[   12.602993][    C0]  <IRQ>
[ 12.602994][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 12.603001][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 12.603008][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 12.603011][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 12.603014][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 12.603019][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 12.603023][ 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) 
[ 12.603027][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 12.603030][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 12.603035][ 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) 
[ 12.603039][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 12.603042][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 12.603047][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 12.603051][ 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:2333) 
[ 12.603055][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 12.603060][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 12.603063][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 12.603065][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 12.603070][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 12.603073][ C0] ? __pfx_debug_lockdep_rcu_enabled (kernel/rcu/update.c:319) 
[ 12.603077][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 12.603080][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 12.603084][ C0] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 12.603088][ C0] ? set_track_prepare (mm/slub.c:936) 
[ 12.603093][ C0] ? __alloc_object (mm/kmemleak.c:697) 
[ 12.603096][ C0] ? __create_object (mm/kmemleak.c:770) 
[ 12.603098][ C0] ? kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) 
[ 12.603104][ C0] __put_net (net/core/net_namespace.c:732) 
[ 12.603107][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 12.603111][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 12.603114][ C0] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 12.603118][ C0] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 12.603123][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 12.603127][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 12.603129][ C0] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 12.603133][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 12.603138][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 12.603141][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 12.603146][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 12.603148][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 12.603151][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   12.603154][    C0]  </IRQ>
[   12.603155][    C0]  <TASK>
[ 12.603156][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 12.603159][ C0] RIP: 0010:debug_lockdep_rcu_enabled (kernel/rcu/update.c:319) 
[ 12.603163][ C0] Code: 00 00 eb b6 e8 d1 f9 ff ff eb b6 66 2e 0f 1f 84 00 00 00 00 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 26 16 a7 01 85 c0 74 20 8b 05 a0 23 a7 01 85 c0
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	eb b6                	jmp    0xffffffffffffffba
   4:	e8 d1 f9 ff ff       	call   0xfffffffffffff9da
   9:	eb b6                	jmp    0xffffffffffffffc1
   b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  12:	00 00 00 
  15:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  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:	90                   	nop
  26:	90                   	nop
  27:	90                   	nop
  28:	90                   	nop
  29:	90                   	nop
  2a:*	f3 0f 1e fa          	endbr64		<-- trapping instruction
  2e:	8b 05 26 16 a7 01    	mov    0x1a71626(%rip),%eax        # 0x1a7165a
  34:	85 c0                	test   %eax,%eax
  36:	74 20                	je     0x58
  38:	8b 05 a0 23 a7 01    	mov    0x1a723a0(%rip),%eax        # 0x1a723de
  3e:	85 c0                	test   %eax,%eax

Code starting with the faulting instruction
===========================================
   0:	f3 0f 1e fa          	endbr64
   4:	8b 05 26 16 a7 01    	mov    0x1a71626(%rip),%eax        # 0x1a71630
   a:	85 c0                	test   %eax,%eax
   c:	74 20                	je     0x2e
   e:	8b 05 a0 23 a7 01    	mov    0x1a723a0(%rip),%eax        # 0x1a723b4
  14:	85 c0                	test   %eax,%eax
[   12.603165][    C0] RSP: 0018:ffffc90000507630 EFLAGS: 00000296
[   12.603168][    C0] RAX: 0000000000000000 RBX: 1ffff920000a0ed1 RCX: 0000000000000001
[   12.603170][    C0] RDX: 0000000000000000 RSI: ffffffffa667168b RDI: ffffffffa5e50e20
[   12.603172][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
[   12.603174][    C0] R10: 0000000000000078 R11: ffffffffa6b745a0 R12: ffffc90000507798
[   12.603175][    C0] R13: ffffc90000507740 R14: ffff88800588c640 R15: 0000000000000cc0
[ 12.603181][ C0] unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 12.603183][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 12.603186][ C0] ? kernel_clone (./include/linux/random.h:26 kernel/fork.c:2845) 
[ 12.603190][ C0] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 12.603193][ C0] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 12.603195][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 12.603199][ C0] ? kernel_clone (./include/linux/random.h:26 kernel/fork.c:2845) 
[ 12.603201][ C0] ? kernel_text_address (kernel/extable.c:99) 
[ 12.603205][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 12.603209][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 12.603214][ C0] ? kernel_clone (./include/linux/random.h:26 kernel/fork.c:2845) 
[ 12.603218][ C0] stack_trace_save (kernel/stacktrace.c:123) 
[ 12.603221][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 12.603227][ C0] set_track_prepare (mm/slub.c:936) 
[ 12.603230][ C0] ? kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) 
[ 12.603233][ C0] ? vm_area_dup (kernel/fork.c:488) 
[ 12.603235][ C0] ? dup_mmap (kernel/fork.c:672) 
[ 12.603238][ C0] ? copy_mm (kernel/fork.c:1735 kernel/fork.c:1786) 
[ 12.603240][ C0] ? copy_process (kernel/fork.c:2429) 
[ 12.603242][ C0] ? kernel_clone (./include/linux/random.h:26 kernel/fork.c:2845) 
[ 12.603245][ C0] ? lockdep_init_map_type (kernel/locking/lockdep.c:4974) 
[ 12.603249][ C0] __alloc_object (mm/kmemleak.c:697) 
[ 12.603252][ C0] __create_object (mm/kmemleak.c:770) 
[ 12.603255][ C0] kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) 
[ 12.603258][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 12.603262][ C0] vm_area_dup (kernel/fork.c:488) 
[ 12.603265][ C0] dup_mmap (kernel/fork.c:672) 
[ 12.603270][ C0] ? __pfx_dup_mmap (kernel/fork.c:613) 
[ 12.603275][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 12.603279][ C0] copy_mm (kernel/fork.c:1735 kernel/fork.c:1786) 
[ 12.603283][ C0] copy_process (kernel/fork.c:2429) 
[ 12.603286][ C0] ? do_fault_around (mm/memory.c:5482) 
[ 12.603293][ C0] ? __pfx_copy_process (kernel/fork.c:2178) 
[ 12.603296][ C0] ? handle_pte_fault (mm/memory.c:5997) 
[ 12.603300][ C0] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 12.603303][ C0] ? reacquire_held_locks (kernel/locking/lockdep.c:5383) 
[ 12.603305][ C0] ? do_user_addr_fault (arch/x86/mm/fault.c:1328) 
[ 12.603310][ C0] kernel_clone (./include/linux/random.h:26 kernel/fork.c:2845) 
[ 12.603314][ C0] ? __pfx_kernel_clone (kernel/fork.c:2804) 
[ 12.603321][ C0] __do_sys_clone (kernel/fork.c:2976) 
[ 12.603324][ C0] ? __pfx___do_sys_clone (kernel/fork.c:2976) 
[ 12.603327][ C0] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 12.603334][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 12.603336][ C0] ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:198 arch/x86/entry/syscall_64.c:90) 
[ 12.603341][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 12.603344][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 12.603348][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   12.603350][    C0] RIP: 0033:0x7f4f80472a47
[ 12.603357][ C0] Code: Unable to access opcode bytes at 0x7f4f80472a1d.

Code starting with the faulting instruction
===========================================
[   12.603358][    C0] RSP: 002b:00007ffdb0aa30f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   12.603361][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4f80472a47
[   12.603363][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[   12.603364][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055711e36d990
[   12.603366][    C0] R10: 00007f4f7f9f2e10 R11: 0000000000000246 R12: 0000000000000003


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