======================================
| [ 39.789586][ C2] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
| [   39.789816][    C2]
| [   39.789936][    C2]
| [   39.789936][    C2] stack backtrace:
[   39.790716][    C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   39.791392][    C2] Call Trace:
[   39.791575][    C2]  <IRQ>
[ 39.791695][ C2] dump_stack_lvl (lib/dump_stack.c:117) 
[ 39.791935][ C2] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 39.792228][ C2] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.792462][ C2] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 39.792748][ C2] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 39.792979][ C2] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 39.793208][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 39.793446][ C2] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 39.793683][ C2] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 39.793915][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 39.794154][ C2] ? save_trace (kernel/locking/lockdep.c:586) 
[ 39.794531][ C2] mark_lock (kernel/locking/lockdep.c:4678) 
[ 39.794683][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 39.794915][ C2] mark_usage (kernel/locking/lockdep.c:4567) 
[ 39.795096][ C2] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 39.795330][ C2] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 39.795668][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 39.795898][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 39.796134][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 39.796365][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 39.796823][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 39.797034][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 39.797263][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 39.797495][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 39.797833][ C2] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) 
[ 39.798065][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 39.798302][ C2] addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 39.798533][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 39.798920][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 39.799102][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 39.799330][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 39.799560][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 39.799792][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 39.800130][ C2] call_timer_fn (kernel/time/timer.c:1793) 
[ 39.800360][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 39.800596][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 39.800828][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 39.801201][ 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) 
[ 39.801435][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 39.801673][ C2] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 39.801904][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 39.802300][ C2] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 39.802532][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 39.802769][ 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) 
[ 39.803000][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 39.803235][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 39.803466][ C2] ? timer_expire_remote (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 39.803700][ C2] timer_expire_remote (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 39.803932][ 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) 
[ 39.804163][ C2] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:869) 
[ 39.804450][ 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) 
[ 39.804687][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 39.804864][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 39.805099][ C2] tmigr_handle_remote_up (kernel/time/timer_migration.c:1003) 
[ 39.805495][ C2] tmigr_handle_remote (kernel/time/timer_migration.c:488 kernel/time/timer_migration.c:1061) 
[ 39.805726][ C2] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1026) 
[ 39.805959][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 39.806196][ C2] __do_softirq (kernel/softirq.c:554) 
[ 39.806435][ C2] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 39.806610][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   39.806850][    C2]  </IRQ>
[   39.806969][    C2]  <TASK>
[ 39.807086][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 39.807372][ C2] RIP: 0010:lock_release (kernel/locking/lockdep.c:5778) 
[ 39.807613][ C2] Code: 05 5b 1a 13 7d e8 e6 fa ff ff b8 ff ff ff ff 65 0f c1 05 49 1a 13 7d 83 f8 01 75 1d 9c 58 f6 c4 02 75 0f 80 e7 02 74 01 fb 5b <5d> 41 5c c3 cc cc cc cc e8 09 af 83 02 eb ea 90 0f 0b 90 65 c7 05
All code
========
   0:	05 5b 1a 13 7d       	add    $0x7d131a5b,%eax
   5:	e8 e6 fa ff ff       	call   0xfffffffffffffaf0
   a:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
   f:	65 0f c1 05 49 1a 13 	xadd   %eax,%gs:0x7d131a49(%rip)        # 0x7d131a60
  16:	7d 
  17:	83 f8 01             	cmp    $0x1,%eax
  1a:	75 1d                	jne    0x39
  1c:	9c                   	pushf
  1d:	58                   	pop    %rax
  1e:	f6 c4 02             	test   $0x2,%ah
  21:	75 0f                	jne    0x32
  23:	80 e7 02             	and    $0x2,%bh
  26:	74 01                	je     0x29
  28:	fb                   	sti
  29:	5b                   	pop    %rbx
  2a:*	5d                   	pop    %rbp		<-- trapping instruction
  2b:	41 5c                	pop    %r12
  2d:	c3                   	ret
  2e:	cc                   	int3
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	e8 09 af 83 02       	call   0x283af40
  37:	eb ea                	jmp    0x23
  39:	90                   	nop
  3a:	0f 0b                	ud2
  3c:	90                   	nop
  3d:	65                   	gs
  3e:	c7                   	.byte 0xc7
  3f:	05                   	.byte 0x5

Code starting with the faulting instruction
===========================================
   0:	5d                   	pop    %rbp
   1:	41 5c                	pop    %r12
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	e8 09 af 83 02       	call   0x283af16
   d:	eb ea                	jmp    0xfffffffffffffff9
   f:	90                   	nop
  10:	0f 0b                	ud2
  12:	90                   	nop
  13:	65                   	gs
  14:	c7                   	.byte 0xc7
  15:	05                   	.byte 0x5
[   39.808606][    C2] RSP: 0000:ffffc9000129f958 EFLAGS: 00000202
[   39.808868][    C2] RAX: 0000000000000046 RBX: ffffc9000129fa20 RCX: 1ffff11000cda5a4
[   39.809215][    C2] RDX: 0000000000000002 RSI: ffffffff86b369e0 RDI: ffff8880066d2d20
[   39.809673][    C2] RBP: ffffffff86b369e0 R08: ffffffff83502253 R09: fffffbfff0e72b5a
[   39.810019][    C2] R10: ffffffff87395ad7 R11: ffff8880025334d0 R12: ffffffff83502253
[   39.810369][    C2] R13: ffffc9000129fa28 R14: 0000000000000000 R15: 0000000000000000
[ 39.810857][ C2] ? fs_reclaim_acquire (mm/page_alloc.c:3715 mm/page_alloc.c:3706) 
[ 39.811093][ C2] ? fs_reclaim_acquire (mm/page_alloc.c:3715 mm/page_alloc.c:3706) 
[ 39.811327][ C2] prepare_alloc_pages.constprop.0 (./include/linux/sched/mm.h:313 mm/page_alloc.c:4346) 
[ 39.811613][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 39.811985][ C2] ? percpu_counter_add_batch (lib/percpu_counter.c:102 (discriminator 57)) 
[ 39.812196][ C2] __alloc_pages (mm/page_alloc.c:4564) 
[ 39.812434][ C2] ? __pfx___alloc_pages (mm/page_alloc.c:4541) 
[ 39.812668][ C2] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 39.813008][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5137) 
[ 39.813243][ C2] alloc_pages_mpol (mm/mempolicy.c:2266) 
[ 39.813474][ C2] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2222) 
[ 39.813706][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5137) 
[ 39.814200][ C2] vma_alloc_folio (./include/linux/mempolicy.h:77 ./include/linux/mempolicy.h:82 mm/mempolicy.c:2305) 
[ 39.814403][ C2] ? __pfx_vma_alloc_folio (mm/mempolicy.c:2297) 
[ 39.814639][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 39.814869][ C2] wp_page_copy (mm/memory.c:1048 mm/memory.c:3263) 
[ 39.815104][ C2] ? __pfx_wp_page_copy (mm/memory.c:3242) 
[ 39.815335][ C2] ? __pfx_vm_normal_page (mm/memory.c:584) 
[ 39.815568][ C2] ? rcu_read_unlock (./include/linux/rcupdate.h:339 (discriminator 9) ./include/linux/rcupdate.h:814 (discriminator 9)) 
[ 39.815802][ C2] ? do_wp_page (mm/memory.c:3660) 
[ 39.816037][ C2] __handle_mm_fault (mm/memory.c:5441) 
[ 39.816269][ C2] ? __pfx___handle_mm_fault (mm/memory.c:5352) 
[ 39.816501][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 39.816742][ C2] ? lock_vma_under_rcu (mm/memory.c:5787) 
[ 39.816980][ C2] handle_mm_fault (mm/memory.c:5610) 
[ 39.817372][ C2] ? __pfx_handle_mm_fault (mm/memory.c:5576) 
[ 39.817612][ C2] do_user_addr_fault (arch/x86/mm/fault.c:1362) 
[ 39.817842][ C2] ? irqentry_enter_from_user_mode (./include/linux/entry-common.h:117 kernel/entry/common.c:225) 
[ 39.818131][ 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) 
[ 39.818364][ C2] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[   39.818594][    C2] RIP: 0033:0x7f0a4af3cd4f
[ 39.818836][ C2] Code: 83 e2 f8 48 39 c2 0f 85 39 06 00 00 4c 89 e7 e8 87 f3 ff ff 4c 39 6d 60 0f 84 cd 03 00 00 43 f6 44 3d 08 01 0f 84 61 04 00 00 <49> 83 65 08 fe 48 8b 45 70 48 8d 55 60 48 39 50 18 0f 85 f8 05 00
All code
========
   0:	83 e2 f8             	and    $0xfffffff8,%edx
   3:	48 39 c2             	cmp    %rax,%rdx
   6:	0f 85 39 06 00 00    	jne    0x645
   c:	4c 89 e7             	mov    %r12,%rdi
   f:	e8 87 f3 ff ff       	call   0xfffffffffffff39b
  14:	4c 39 6d 60          	cmp    %r13,0x60(%rbp)
  18:	0f 84 cd 03 00 00    	je     0x3eb
  1e:	43 f6 44 3d 08 01    	testb  $0x1,0x8(%r13,%r15,1)
  24:	0f 84 61 04 00 00    	je     0x48b
  2a:*	49 83 65 08 fe       	andq   $0xfffffffffffffffe,0x8(%r13)		<-- trapping instruction
  2f:	48 8b 45 70          	mov    0x70(%rbp),%rax
  33:	48 8d 55 60          	lea    0x60(%rbp),%rdx
  37:	48 39 50 18          	cmp    %rdx,0x18(%rax)
  3b:	0f                   	.byte 0xf
  3c:	85 f8                	test   %edi,%eax
  3e:	05                   	.byte 0x5
	...

Code starting with the faulting instruction
===========================================
   0:	49 83 65 08 fe       	andq   $0xfffffffffffffffe,0x8(%r13)
   5:	48 8b 45 70          	mov    0x70(%rbp),%rax
   9:	48 8d 55 60          	lea    0x60(%rbp),%rdx
   d:	48 39 50 18          	cmp    %rdx,0x18(%rax)
  11:	0f                   	.byte 0xf
  12:	85 f8                	test   %edi,%eax
  14:	05                   	.byte 0x5
	...
[   39.819655][    C2] RSP: 002b:00007ffccb000a30 EFLAGS: 00010202
[   39.819946][    C2] RAX: 0000000000000041 RBX: 0000000000002010 RCX: 00000000000001ff
[   39.820447][    C2] RDX: 0000000000017f40 RSI: 0000000000000000 RDI: 00007f0a4b089c60
[   39.820746][    C2] RBP: 00007f0a4b089c60 R08: 0000000000000000 R09: 0000000000000000
[   39.821091][    C2] R10: 00007f0a4b10b008 R11: 0000000000000206 R12: 00005582b798da30


Finger prints:
asm_exc_page_fault:dump_stack_lvl:mark_lock_irq:mark_lock