======================================
| [ 34.524597][ C2] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
| [   34.524754][    C2]
| [   34.524834][    C2]
| [   34.524834][    C2] stack backtrace:
[   34.525363][    C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   34.525795][    C2] Call Trace:
[   34.525917][    C2]  <IRQ>
[ 34.525998][ C2] dump_stack_lvl (lib/dump_stack.c:117) 
[ 34.526163][ C2] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 34.526357][ C2] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.526608][ C2] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 34.526804][ C2] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 34.526959][ C2] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 34.527114][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 34.527362][ C2] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 34.527518][ C2] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 34.527677][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 34.527836][ C2] ? save_trace (kernel/locking/lockdep.c:586) 
[ 34.528083][ C2] mark_lock (kernel/locking/lockdep.c:4678) 
[ 34.528208][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 34.528363][ C2] mark_usage (kernel/locking/lockdep.c:4567) 
[ 34.528490][ C2] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 34.528649][ C2] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 34.528899][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 34.529054][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 34.529211][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 34.529367][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 34.529620][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 34.529781][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 34.529941][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 34.530100][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 34.530436][ C2] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) 
[ 34.530596][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 34.530762][ C2] addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 34.530919][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 34.531192][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 34.531350][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 34.531498][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 34.531644][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 34.531791][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 34.532028][ C2] call_timer_fn (kernel/time/timer.c:1793) 
[ 34.532181][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 34.532326][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 34.532474][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 34.532712][ C2] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 34.532859][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 34.533006][ C2] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 34.533162][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 34.533402][ C2] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 34.533548][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 34.533695][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:115 ./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) 
[ 34.533843][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 34.534092][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 34.534248][ C2] ? timer_expire_remote (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 34.534399][ C2] timer_expire_remote (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 34.534547][ C2] tmigr_handle_remote_cpu (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:127 kernel/time/timer_migration.c:925) 
[ 34.534694][ C2] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:869) 
[ 34.534875][ C2] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 34.535021][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 34.535134][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 34.535285][ C2] tmigr_handle_remote_up (kernel/time/timer_migration.c:1003) 
[ 34.535437][ C2] tmigr_handle_remote (kernel/time/timer_migration.c:488 kernel/time/timer_migration.c:1061) 
[ 34.535583][ C2] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1026) 
[ 34.535731][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 34.535878][ C2] __do_softirq (kernel/softirq.c:554) 
[ 34.536127][ C2] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 34.536238][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   34.536389][    C2]  </IRQ>
[   34.536465][    C2]  <TASK>
[ 34.536540][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 34.536725][ C2] RIP: 0010:bad_range (./include/linux/seqlock.h:227 ./include/linux/seqlock.h:772 ./include/linux/memory_hotplug.h:151 mm/page_alloc.c:451 mm/page_alloc.c:470) 
[ 34.536881][ C2] Code: 78 4c 89 ff e8 73 43 9f ff 58 48 b8 00 00 00 00 00 fc ff df 9c 5a 80 e6 02 0f 85 30 02 00 00 4d 85 f6 74 01 fb 41 0f b6 14 24 <41> 38 d5 7c 08 84 d2 0f 85 9a 02 00 00 44 8b b3 c0 00 00 00 41 f6
All code
========
   0:	78 4c                	js     0x4e
   2:	89 ff                	mov    %edi,%edi
   4:	e8 73 43 9f ff       	call   0xffffffffff9f437c
   9:	58                   	pop    %rax
   a:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  11:	fc ff df 
  14:	9c                   	pushf
  15:	5a                   	pop    %rdx
  16:	80 e6 02             	and    $0x2,%dh
  19:	0f 85 30 02 00 00    	jne    0x24f
  1f:	4d 85 f6             	test   %r14,%r14
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	41 0f b6 14 24       	movzbl (%r12),%edx
  2a:*	41 38 d5             	cmp    %dl,%r13b		<-- trapping instruction
  2d:	7c 08                	jl     0x37
  2f:	84 d2                	test   %dl,%dl
  31:	0f 85 9a 02 00 00    	jne    0x2d1
  37:	44 8b b3 c0 00 00 00 	mov    0xc0(%rbx),%r14d
  3e:	41                   	rex.B
  3f:	f6                   	.byte 0xf6

Code starting with the faulting instruction
===========================================
   0:	41 38 d5             	cmp    %dl,%r13b
   3:	7c 08                	jl     0xd
   5:	84 d2                	test   %dl,%dl
   7:	0f 85 9a 02 00 00    	jne    0x2a7
   d:	44 8b b3 c0 00 00 00 	mov    0xc0(%rbx),%r14d
  14:	41                   	rex.B
  15:	f6                   	.byte 0xf6
[   34.537404][    C2] RSP: 0000:ffffc90000b9f848 EFLAGS: 00000206
[   34.537595][    C2] RAX: dffffc0000000000 RBX: ffff88803ffdb640 RCX: 1ffffffff7507984
[   34.537819][    C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb5302d78
[   34.538148][    C2] RBP: 0000000000008711 R08: 0000000000000001 R09: fffffbfff75032af
[   34.538379][    C2] R10: ffffffffba81957f R11: ffff88803ffdb700 R12: ffffed1007ffb6e0
[   34.538600][    C2] R13: 0000000000000003 R14: 0000000000000200 R15: ffff88803ffdb708
[ 34.538822][ C2] ? bad_range (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:772 ./include/linux/memory_hotplug.h:151 mm/page_alloc.c:451 mm/page_alloc.c:470) 
[ 34.538974][ C2] rmqueue (mm/page_alloc.c:2922 (discriminator 1)) 
[ 34.539089][ C2] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) 
[ 34.539250][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 34.539397][ C2] ? __pfx_rmqueue (mm/page_alloc.c:2895) 
[ 34.539542][ C2] ? prepare_alloc_pages.constprop.0 (./include/linux/sched/mm.h:315 mm/page_alloc.c:4346) 
[ 34.539725][ C2] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 34.539873][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 34.540122][ C2] get_page_from_freelist (mm/page_alloc.c:3316) 
[ 34.540285][ C2] __alloc_pages (mm/page_alloc.c:4576) 
[ 34.540432][ C2] ? __pfx___alloc_pages (mm/page_alloc.c:4541) 
[ 34.540581][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 34.540729][ C2] alloc_pages_mpol (mm/mempolicy.c:2266) 
[ 34.540876][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 34.541035][ C2] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2222) 
[ 34.541190][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 34.541336][ C2] ? rcu_read_unlock (./include/linux/rcupdate.h:339 (discriminator 9) ./include/linux/rcupdate.h:814 (discriminator 9)) 
[ 34.541575][ C2] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 34.541726][ C2] vma_alloc_folio (./include/linux/mempolicy.h:77 ./include/linux/mempolicy.h:82 mm/mempolicy.c:2305) 
[ 34.541872][ C2] ? __pfx_vma_alloc_folio (mm/mempolicy.c:2297) 
[ 34.542017][ C2] ? rcu_read_unlock (./include/linux/rcupdate.h:339 (discriminator 9) ./include/linux/rcupdate.h:814 (discriminator 9)) 
[ 34.542255][ C2] ? __pfx_filemap_map_pages (mm/filemap.c:3565) 
[ 34.542406][ C2] do_pte_missing (mm/memory.c:1048 mm/memory.c:4918 mm/memory.c:5026 mm/memory.c:3880) 
[ 34.542554][ C2] __handle_mm_fault (mm/memory.c:5441) 
[ 34.542700][ C2] ? __pfx___handle_mm_fault (mm/memory.c:5352) 
[ 34.542934][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 34.543094][ C2] ? lock_vma_under_rcu (mm/memory.c:5787) 
[ 34.543241][ C2] handle_mm_fault (mm/memory.c:5610) 
[ 34.543391][ C2] ? __pfx_handle_mm_fault (mm/memory.c:5576) 
[ 34.543540][ C2] do_user_addr_fault (arch/x86/mm/fault.c:1362) 
[ 34.543776][ C2] ? irqentry_enter_from_user_mode (./include/linux/entry-common.h:117 kernel/entry/common.c:225) 
[ 34.543958][ C2] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:127 arch/x86/mm/fault.c:1513 arch/x86/mm/fault.c:1563) 
[ 34.544108][ C2] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[   34.544265][    C2] RIP: 0033:0x7f266e31cd60
[ 34.544521][ C2] Code: 00 00 49 8b 14 24 41 8b 44 24 08 4c 01 d2 48 83 f8 26 74 0a 48 83 f8 08 0f 85 63 1a 00 00 49 8b 44 24 10 49 83 c4 18 4c 01 d0 <48> 89 02 4c 39 e3 77 d0 4d 8b 9f d0 01 00 00 4d 85 db 0f 84 86 0a
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	49 8b 14 24          	mov    (%r12),%rdx
   6:	41 8b 44 24 08       	mov    0x8(%r12),%eax
   b:	4c 01 d2             	add    %r10,%rdx
   e:	48 83 f8 26          	cmp    $0x26,%rax
  12:	74 0a                	je     0x1e
  14:	48 83 f8 08          	cmp    $0x8,%rax
  18:	0f 85 63 1a 00 00    	jne    0x1a81
  1e:	49 8b 44 24 10       	mov    0x10(%r12),%rax
  23:	49 83 c4 18          	add    $0x18,%r12
  27:	4c 01 d0             	add    %r10,%rax
  2a:*	48 89 02             	mov    %rax,(%rdx)		<-- trapping instruction
  2d:	4c 39 e3             	cmp    %r12,%rbx
  30:	77 d0                	ja     0x2
  32:	4d 8b 9f d0 01 00 00 	mov    0x1d0(%r15),%r11
  39:	4d 85 db             	test   %r11,%r11
  3c:	0f                   	.byte 0xf
  3d:	84                   	.byte 0x84
  3e:	86 0a                	xchg   %cl,(%rdx)

Code starting with the faulting instruction
===========================================
   0:	48 89 02             	mov    %rax,(%rdx)
   3:	4c 39 e3             	cmp    %r12,%rbx
   6:	77 d0                	ja     0xffffffffffffffd8
   8:	4d 8b 9f d0 01 00 00 	mov    0x1d0(%r15),%r11
   f:	4d 85 db             	test   %r11,%r11
  12:	0f                   	.byte 0xf
  13:	84                   	.byte 0x84
  14:	86 0a                	xchg   %cl,(%rdx)
[   34.545137][    C2] RSP: 002b:00007fffdb1445f0 EFLAGS: 00010206
[   34.545322][    C2] RAX: 00007f266e11c6c0 RBX: 00007f266df6cd30 RCX: 00000000000041c8
[   34.545544][    C2] RDX: 00007f266e2d4028 RSI: 00007f266df6daf8 RDI: 00007f266e33ea30
[   34.545766][    C2] RBP: 00007fffdb1446f0 R08: 0000000000063888 R09: 0000000000000000
[   34.545984][    C2] R10: 00007f266dec1000 R11: 0000000000000206 R12: 00007f266df49570


Finger prints:
asm_exc_page_fault:dump_stack_lvl:mark_lock_irq:mark_lock