======================================
| [ 42.714610][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   42.714968][    C1]
| [   42.715309][    C1]
| [   42.715309][    C1] stack backtrace:
[   42.716102][    C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   42.716948][    C1] Call Trace:
[   42.717177][    C1]  <IRQ>
[ 42.717326][ C1] dump_stack_lvl (lib/dump_stack.c:117) 
[ 42.717618][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 42.717979][ C1] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.718270][ C1] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 42.718575][ C1] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 42.718754][ C1] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 42.719030][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 42.719212][ C1] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 42.719388][ C1] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 42.719561][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 42.719736][ C1] ? save_trace (kernel/locking/lockdep.c:586) 
[ 42.720012][ C1] mark_lock (kernel/locking/lockdep.c:4678) 
[ 42.720142][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 42.720313][ C1] mark_usage (kernel/locking/lockdep.c:4567) 
[ 42.720445][ C1] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 42.720728][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 42.720900][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 42.721074][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 42.721244][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 42.721424][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 42.721712][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 42.721883][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 42.722052][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 42.722230][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 42.722402][ C1] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) 
[ 42.722580][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 42.722757][ C1] addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 42.722929][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 42.723205][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 42.723377][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 42.723548][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 42.723718][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 42.723998][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 42.724169][ C1] call_timer_fn (kernel/time/timer.c:1793) 
[ 42.724340][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 42.724510][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 42.724681][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 42.724957][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 42.725135][ C1] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 42.725305][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 42.725491][ C1] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 42.725768][ C1] ? 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) 
[ 42.725939][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 42.726110][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 42.726284][ C1] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 42.726563][ C1] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 42.726734][ C1] __do_softirq (kernel/softirq.c:554) 
[ 42.726909][ C1] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 42.727037][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   42.727210][    C1]  </IRQ>
[   42.727405][    C1]  <TASK>
[ 42.727495][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 42.727706][ C1] RIP: 0010:__rcu_read_lock (kernel/rcu/tree_plugin.h:379 kernel/rcu/tree_plugin.h:402) 
[ 42.727890][ C1] Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 a6 00 00 00 65 48 8b 2d f4 6c 6c 73 48 8d bd fc 03 00 00 8b 9b fc 03 00 00 <48> b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 83 c3 01 0f b6
All code
========
   0:	48 89 f8             	mov    %rdi,%rax
   3:	83 e0 07             	and    $0x7,%eax
   6:	83 c0 03             	add    $0x3,%eax
   9:	38 d0                	cmp    %dl,%al
   b:	7c 08                	jl     0x15
   d:	84 d2                	test   %dl,%dl
   f:	0f 85 a6 00 00 00    	jne    0xbb
  15:	65 48 8b 2d f4 6c 6c 	mov    %gs:0x736c6cf4(%rip),%rbp        # 0x736c6d11
  1c:	73 
  1d:	48 8d bd fc 03 00 00 	lea    0x3fc(%rbp),%rdi
  24:	8b 9b fc 03 00 00    	mov    0x3fc(%rbx),%ebx
  2a:*	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax		<-- trapping instruction
  31:	fc ff df 
  34:	48 89 fa             	mov    %rdi,%rdx
  37:	48 c1 ea 03          	shr    $0x3,%rdx
  3b:	83 c3 01             	add    $0x1,%ebx
  3e:	0f                   	.byte 0xf
  3f:	b6                   	.byte 0xb6

Code starting with the faulting instruction
===========================================
   0:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   7:	fc ff df 
   a:	48 89 fa             	mov    %rdi,%rdx
   d:	48 c1 ea 03          	shr    $0x3,%rdx
  11:	83 c3 01             	add    $0x1,%ebx
  14:	0f                   	.byte 0xf
  15:	b6                   	.byte 0xb6
[   42.728734][    C1] RSP: 0018:ffffc90000a3f420 EFLAGS: 00000246
[   42.728954][    C1] RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffff11000b4514c
[   42.729319][    C1] RDX: 0000000000000000 RSI: 00007f240dd95eae RDI: ffff888005a2843c
[   42.729591][    C1] RBP: ffff888005a28040 R08: ffffffff8caa9518 R09: fffffbfff21649fa
[   42.729848][    C1] R10: ffffffff90b24fd7 R11: ffffc90000a3f4e9 R12: 00007f240dd95eae
[   42.730216][    C1] R13: 0000000000000000 R14: ffff888005a28040 R15: 0000000000000000
[ 42.730477][ C1] ? __is_insn_slot_addr (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/kprobes.c:309) 
[ 42.730652][ C1] __is_insn_slot_addr (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 kernel/kprobes.c:301) 
[ 42.730929][ C1] kernel_text_address (kernel/extable.c:123 kernel/extable.c:94) 
[ 42.731104][ C1] __kernel_text_address (kernel/extable.c:79) 
[ 42.731278][ C1] unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 42.731451][ C1] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 42.731779][ C1] arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 42.731955][ C1] stack_trace_save (kernel/stacktrace.c:123) 
[ 42.732126][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 42.732296][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 42.732576][ C1] ? 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) 
[ 42.732749][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 42.732880][ C1] kasan_save_stack (mm/kasan/common.c:48) 
[ 42.733055][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 42.733226][ C1] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 42.733410][ C1] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:103 kernel/rcu/tree.c:2735) 
[ 42.733639][ C1] ? kmem_cache_free (./include/linux/kmemleak.h:48 mm/slub.c:2072 mm/slub.c:4280 mm/slub.c:4344) 
[ 42.733815][ C1] ? p9_req_put (net/9p/client.c:410) 
[ 42.733989][ C1] ? p9_client_clunk (net/9p/client.c:1452) 
[ 42.734271][ C1] ? v9fs_dentry_release (fs/9p/vfs_dentry.c:54) 
[ 42.734445][ C1] ? __dentry_kill (fs/dcache.c:608) 
[ 42.734620][ C1] ? dput.part.0 (fs/dcache.c:845) 
[ 42.734792][ C1] ? walk_component (fs/namei.c:562 fs/namei.c:1027 fs/namei.c:2009) 
[ 42.735070][ C1] ? link_path_walk.part.0.constprop.0 (fs/namei.c:2328) 
[ 42.735285][ C1] ? path_lookupat (fs/namei.c:2254 (discriminator 2) fs/namei.c:2484 (discriminator 2)) 
[ 42.735458][ C1] ? filename_lookup (fs/namei.c:2514) 
[ 42.735629][ C1] ? vfs_statx (fs/stat.c:244) 
[ 42.735862][ C1] ? vfs_fstatat (fs/stat.c:305) 
[ 42.736033][ C1] ? __do_sys_newfstatat (fs/stat.c:469) 
[ 42.736204][ C1] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.736376][ C1] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[ 42.736697][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 42.736870][ C1] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 42.737043][ C1] ? __virt_addr_valid (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:894 ./include/linux/mmzone.h:2029 arch/x86/mm/physaddr.c:65) 
[ 42.737216][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 42.737388][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 42.737677][ C1] ? __virt_addr_valid (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:894 ./include/linux/mmzone.h:2029 arch/x86/mm/physaddr.c:65) 
[ 42.737849][ C1] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:896 ./include/linux/mmzone.h:2029 arch/x86/mm/physaddr.c:65) 
[ 42.738022][ C1] ? __pfx_free_object_rcu (mm/kmemleak.c:508) 
[ 42.738186][ C1] ? kasan_addr_to_slab (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/page-flags.h:507 mm/kasan/../slab.h:206 mm/kasan/common.c:38) 
[ 42.738357][ C1] __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 42.738526][ C1] ? __pfx_free_object_rcu (mm/kmemleak.c:508) 
[ 42.738698][ C1] __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:103 kernel/rcu/tree.c:2735) 
[ 42.738911][ C1] kmem_cache_free (./include/linux/kmemleak.h:48 mm/slub.c:2072 mm/slub.c:4280 mm/slub.c:4344) 
[ 42.739180][ C1] ? p9_req_put (net/9p/client.c:410) 
[ 42.739339][ C1] p9_req_put (net/9p/client.c:410) 
[ 42.739463][ C1] p9_client_clunk (net/9p/client.c:1452) 
[ 42.739625][ C1] v9fs_dentry_release (fs/9p/vfs_dentry.c:54) 
[ 42.739888][ C1] __dentry_kill (fs/dcache.c:608) 
[ 42.740054][ C1] ? __pfx_kfree_link (fs/libfs.c:1573) 
[ 42.740300][ C1] dput.part.0 (fs/dcache.c:845) 
[ 42.740552][ C1] walk_component (fs/namei.c:562 fs/namei.c:1027 fs/namei.c:2009) 
[ 42.740807][ C1] link_path_walk.part.0.constprop.0 (fs/namei.c:2328) 
[ 42.741238][ C1] ? __pfx_link_path_walk.part.0.constprop.0 (fs/namei.c:2249) 
[ 42.741529][ C1] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) 
[ 42.741788][ C1] ? 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) 
[ 42.742407][ C1] path_lookupat (fs/namei.c:2254 (discriminator 2) fs/namei.c:2484 (discriminator 2)) 
[ 42.742681][ C1] filename_lookup (fs/namei.c:2514) 
[ 42.742942][ C1] ? __pfx_filename_lookup (fs/namei.c:2508) 
[ 42.743170][ C1] ? __pfx_kfree_link (fs/libfs.c:1573) 
[ 42.743433][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 42.743889][ C1] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 42.744155][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) 
[ 42.744416][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 42.744690][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 42.744948][ C1] vfs_statx (fs/stat.c:244) 
[ 42.745149][ C1] ? __pfx_vfs_statx (fs/stat.c:234) 
[ 42.745407][ C1] ? getname_flags (./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:190) 
[ 42.745673][ C1] vfs_fstatat (fs/stat.c:305) 
[ 42.745874][ C1] __do_sys_newfstatat (fs/stat.c:469) 
[ 42.746319][ C1] ? __pfx___do_sys_newfstatat (fs/stat.c:464) 
[ 42.746596][ C1] ? __x64_sys_openat (fs/open.c:1432) 
[ 42.746870][ C1] ? __pfx___x64_sys_openat (fs/open.c:1432) 
[ 42.747156][ C1] ? __pfx_do_faccessat (fs/open.c:465) 
[ 42.747612][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) 
[ 42.747937][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 42.748176][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   42.748511][    C1] RIP: 0033:0x7f240dd95eae
[ 42.748785][ C1] 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
[   42.749929][    C1] RSP: 002b:00007ffee7a24718 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
[   42.750182][    C1] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f240dd95eae
[   42.750435][    C1] RDX: 00007ffee7a247f0 RSI: 00007ffee7a24720 RDI: 00000000ffffff9c
[   42.750928][    C1] RBP: 00007ffee7a248b0 R08: 00000000ffffffff R09: 00007ffee7a24720
[   42.751168][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffee7a24727


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage