======================================
| [ 181.227107][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [  181.227322][    C0]
| [  181.227404][    C0]
| [  181.227404][    C0] stack backtrace:
[  181.227993][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  181.228600][    C0] Call Trace:
[  181.228736][    C0]  <IRQ>
[ 181.228838][ C0] dump_stack_lvl (lib/dump_stack.c:117) 
[ 181.229024][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 181.229253][ C0] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 181.229432][ C0] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 181.229664][ C0] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 181.229844][ C0] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 181.230026][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 181.230205][ C0] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 181.230390][ C0] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 181.230687][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 181.230868][ C0] ? save_trace (kernel/locking/lockdep.c:586) 
[ 181.231055][ C0] mark_lock (kernel/locking/lockdep.c:4678) 
[ 181.231186][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 181.231363][ C0] mark_usage (kernel/locking/lockdep.c:4567) 
[ 181.231605][ C0] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 181.231784][ C0] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 181.231967][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 181.232134][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 181.232407][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 181.232595][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 181.232770][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 181.232936][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 181.233228][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 181.233408][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 181.233588][ C0] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) 
[ 181.233774][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 181.233938][ C0] addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 181.234224][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 181.234416][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 181.234595][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 181.234768][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 181.235051][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 181.235225][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 181.235408][ C0] call_timer_fn (kernel/time/timer.c:1793) 
[ 181.235579][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 181.235867][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 181.236046][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 181.236339][ C0] ? 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) 
[ 181.236510][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 181.236905][ C0] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 181.237195][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 181.237501][ C0] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 181.237670][ C0] ? 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) 
[ 181.237848][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 181.238020][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 181.238194][ C0] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 181.238376][ C0] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) 
[ 181.238550][ C0] __do_softirq (kernel/softirq.c:554) 
[ 181.238726][ C0] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 181.238858][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[  181.239041][    C0]  </IRQ>
[  181.239134][    C0]  <TASK>
[ 181.239220][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 181.239442][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 181.239681][ C0] Code: 10 e8 11 39 9b fd 48 89 ef e8 49 a9 9b fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d f5 ae 0f 68 <74> 0e 5b 5d c3 cc cc cc cc e8 3f a3 be fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	11 39                	adc    %edi,(%rcx)
   4:	9b                   	fwait
   5:	fd                   	std
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 49 a9 9b fd       	call   0xfffffffffd9ba957
   e:	81 e3 00 02 00 00    	and    $0x200,%ebx
  14:	75 1d                	jne    0x33
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	75 29                	jne    0x46
  1d:	48 85 db             	test   %rbx,%rbx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d f5 ae 0f 68 	decl   %gs:0x680faef5(%rip)        # 0x680faf1f
  2a:*	74 0e                	je     0x3a		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	e8 3f a3 be fd       	call   0xfffffffffdbea377
  38:	eb dc                	jmp    0x16
  3a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	74 0e                	je     0x10
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	e8 3f a3 be fd       	call   0xfffffffffdbea34d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[  181.240291][    C0] RSP: 0018:ffffc9000063f0b0 EFLAGS: 00000282
[  181.240501][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff3628320
[  181.240760][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff97f41921
[  181.241130][    C0] RBP: ffff888001041080 R08: 0000000000000001 R09: fffffbfff3623caf
[  181.241393][    C0] R10: ffffffff9b11e57f R11: 0000000000001000 R12: ffff888001041080
[  181.241669][    C0] R13: ffffea00001bba00 R14: ffff8880010433c0 R15: ffff888006eec000
[ 181.242032][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 181.242255][ C0] get_partial_node.part.0 (mm/slub.c:2623) 
[ 181.242439][ C0] ___slab_alloc (mm/slub.c:2583 mm/slub.c:2701 mm/slub.c:3505) 
[ 181.242616][ C0] ? fs_reclaim_acquire (mm/page_alloc.c:3715 mm/page_alloc.c:3706) 
[ 181.242913][ C0] ? p9_fcall_init (net/9p/client.c:232) 
[ 181.243083][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 181.243265][ C0] ? p9_fcall_init (net/9p/client.c:232) 
[ 181.243438][ C0] ? __kmalloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3965 mm/slub.c:3979) 
[ 181.243721][ C0] __kmalloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3965 mm/slub.c:3979) 
[ 181.243857][ C0] p9_fcall_init (net/9p/client.c:232) 
[ 181.244026][ C0] p9_tag_alloc (net/9p/client.c:295) 
[ 181.244190][ C0] ? __pfx_p9_tag_alloc (net/9p/client.c:277) 
[ 181.244486][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 181.244626][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5137) 
[ 181.244801][ C0] p9_client_prepare_req (net/9p/client.c:641) 
[ 181.244968][ C0] ? __pfx_p9_client_prepare_req (net/9p/client.c:625) 
[ 181.245190][ C0] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 181.245493][ C0] p9_client_rpc (net/9p/client.c:688 (discriminator 4)) 
[ 181.245664][ C0] ? 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) 
[ 181.245842][ C0] ? __pfx_p9_client_rpc (net/9p/client.c:672) 
[ 181.246015][ C0] ? v9fs_fid_find (fs/9p/fid.c:114) 
[ 181.246200][ 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) 
[ 181.246393][ C0] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:94 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 181.246571][ C0] ? __pfx_v9fs_fid_find (fs/9p/fid.c:114) 
[ 181.246746][ C0] ? __pfx_make_vfsgid (fs/mnt_idmapping.c:110) 
[ 181.246930][ C0] ? v9fs_fid_add (fs/9p/fid.c:41) 
[ 181.247109][ C0] p9_client_readlink (net/9p/client.c:2238) 
[ 181.247289][ C0] v9fs_vfs_get_link_dotl (fs/9p/vfs_inode_dotl.c:822 fs/9p/vfs_inode_dotl.c:806) 
[ 181.247588][ C0] ? __pfx_v9fs_vfs_get_link_dotl (fs/9p/vfs_inode_dotl.c:809) 
[ 181.247811][ C0] ? __lookup_slow (fs/namei.c:1692) 
[ 181.247993][ C0] pick_link (fs/namei.c:1808) 
[ 181.248238][ C0] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 181.248418][ C0] step_into (fs/namei.c:1874) 
[ 181.248551][ C0] ? __up_read (./arch/x86/include/asm/atomic64_64.h:79 ./include/linux/atomic/atomic-arch-fallback.h:2749 ./include/linux/atomic/atomic-long.h:184 ./include/linux/atomic/atomic-instrumented.h:3317 kernel/locking/rwsem.c:1347) 
[ 181.248822][ C0] ? __pfx_step_into (fs/namei.c:1839) 
[ 181.248997][ C0] ? walk_component (fs/namei.c:2005) 
[ 181.249167][ C0] link_path_walk.part.0.constprop.0 (fs/namei.c:2331) 
[ 181.249387][ C0] ? __pfx_link_path_walk.part.0.constprop.0 (fs/namei.c:2249) 
[ 181.249805][ C0] path_openat (fs/namei.c:3795) 
[ 181.249981][ C0] ? __pfx_path_openat (fs/namei.c:3781) 
[ 181.250154][ C0] ? 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) 
[ 181.250331][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 181.250572][ C0] do_filp_open (fs/namei.c:3826) 
[ 181.250747][ C0] ? __pfx_do_filp_open (fs/namei.c:3820) 
[ 181.250928][ C0] ? queued_spin_lock_slowpath (./arch/x86/include/asm/atomic.h:109 ./include/linux/atomic/atomic-arch-fallback.h:2018 ./include/linux/atomic/atomic-instrumented.h:1196 ./arch/x86/include/asm/qspinlock.h:100 kernel/locking/qspinlock.c:327) 
[ 181.251107][ C0] ? __create_object (mm/kmemleak.c:756) 
[ 181.251405][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 181.251579][ C0] ? 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) 
[ 181.251747][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 181.251926][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) 
[ 181.252140][ C0] do_open_execat (fs/exec.c:930) 
[ 181.252341][ C0] ? __pfx_do_open_execat (fs/exec.c:913) 
[ 181.252527][ C0] ? kmem_cache_alloc (mm/slub.c:3858) 
[ 181.252701][ C0] ? getname_kernel (./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:251) 
[ 181.252884][ C0] open_exec (fs/exec.c:974) 
[ 181.253124][ C0] load_elf_binary (fs/binfmt_elf.c:894) 
[ 181.253294][ C0] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 181.253457][ C0] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 181.253630][ C0] ? search_binary_handler (fs/exec.c:1778) 
[ 181.253924][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 181.254099][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 181.254279][ C0] ? __pfx_load_elf_binary (fs/binfmt_elf.c:820) 
[ 181.254564][ C0] ? search_binary_handler (fs/exec.c:1778) 
[ 181.254744][ C0] search_binary_handler (fs/exec.c:1778) 
[ 181.254916][ C0] ? __pfx_search_binary_handler (fs/exec.c:1757) 
[ 181.255135][ C0] ? __task_pid_nr_ns (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/pid.c:514) 
[ 181.255312][ C0] ? exec_binprm (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 fs/exec.c:1812) 
[ 181.255605][ C0] exec_binprm (fs/exec.c:1821) 
[ 181.255779][ C0] bprm_execve (fs/exec.c:1872 fs/exec.c:1848) 
[ 181.255908][ C0] do_execveat_common.isra.0 (fs/exec.c:1979) 
[ 181.256084][ C0] ? 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) 
[ 181.256261][ C0] __x64_sys_execve (fs/exec.c:2124) 
[ 181.256531][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 181.256700][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[  181.256909][    C0] RIP: 0033:0x7f532f03940b
[ 181.257082][ C0] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48
All code
========
   0:	c0 75 03 5f          	shlb   $0x5f,0x3(%rbp)
   4:	ff e7                	jmp    *%rdi
   6:	c3                   	ret
   7:	48 8b 0d f1 a9 1b 00 	mov    0x1ba9f1(%rip),%rcx        # 0x1ba9ff
   e:	f7 d8                	neg    %eax
  10:	64 89 01             	mov    %eax,%fs:(%rcx)
  13:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  17:	c3                   	ret
  18:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 3b 00 00 00       	mov    $0x3b,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9ff
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9d5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  181.257815][    C0] RSP: 002b:00007fff56736de8 EFLAGS: 00000202 ORIG_RAX: 000000000000003b
[  181.258082][    C0] RAX: ffffffffffffffda RBX: 000055cc7f45c070 RCX: 00007f532f03940b
[  181.258335][    C0] RDX: 000055cc7f45b300 RSI: 000055cc7f4752b0 RDI: 000055cc7f473200
[  181.258588][    C0] RBP: 00007fff56736f10 R08: 00000000ffffffff R09: 0000000000000000
[  181.258847][    C0] R10: 00007fff56736db0 R11: 0000000000000202 R12: 000055cc7f48b870


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage