======================================
| [ 148.815023][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [  148.815199][    C0]
| [  148.815276][    C0]
| [  148.815276][    C0] stack backtrace:
[  148.815757][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  148.816155][    C0] Call Trace:
[  148.816262][    C0]  <IRQ>
[ 148.816342][ C0] dump_stack_lvl (lib/dump_stack.c:117) 
[ 148.816493][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 148.816669][ C0] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 148.816931][ C0] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 148.817072][ C0] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 148.817213][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 148.817355][ C0] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 148.817595][ C0] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 148.817739][ C0] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 148.817883][ C0] ? save_trace (kernel/locking/lockdep.c:586) 
[ 148.818025][ C0] mark_lock (kernel/locking/lockdep.c:4678) 
[ 148.818217][ C0] mark_usage (kernel/locking/lockdep.c:4567) 
[ 148.818334][ C0] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 148.818505][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) 
[ 148.818686][ C0] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80) bridge
[ 148.819036][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 148.819180][ C0] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge
[ 148.819393][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 148.819536][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 148.819680][ C0] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge
[ 148.819895][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 148.820042][ C0] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge
[ 148.820264][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 148.820496][ C0] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge
[ 148.820721][ C0] br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge
[ 148.820932][ C0] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80) bridge
[ 148.821262][ C0] call_timer_fn (kernel/time/timer.c:1793) 
[ 148.821409][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 148.821549][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 148.821689][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 148.821925][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 148.822036][ C0] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 148.822176][ C0] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80) bridge
[ 148.822423][ C0] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 148.822577][ C0] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 148.822720][ 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) 
[ 148.822865][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 148.823005][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 148.823151][ C0] ? timer_expire_remote (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 148.823380][ C0] timer_expire_remote (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 148.823521][ C0] 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) 
[ 148.823662][ C0] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:869) 
[ 148.823842][ C0] tmigr_handle_remote_up (kernel/time/timer_migration.c:1003) 
[ 148.824078][ C0] tmigr_handle_remote (kernel/time/timer_migration.c:488 kernel/time/timer_migration.c:1061) 
[ 148.824218][ C0] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1026) 
[ 148.824365][ C0] __do_softirq (kernel/softirq.c:554) 
[ 148.824509][ C0] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 148.824617][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[  148.824760][    C0]  </IRQ>
[  148.824832][    C0]  <TASK>
[ 148.824911][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 148.825086][ C0] RIP: 0010:lock_release (kernel/locking/lockdep.c:5778) 
[ 148.825325][ C0] Code: 05 8b 37 53 73 e8 e6 fa ff ff b8 ff ff ff ff 65 0f c1 05 79 37 53 73 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 69 87 61 02 eb ea 90 0f 0b 90 65 c7 05
All code
========
   0:	05 8b 37 53 73       	add    $0x7353378b,%eax
   5:	e8 e6 fa ff ff       	call   0xfffffffffffffaf0
   a:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
   f:	65 0f c1 05 79 37 53 	xadd   %eax,%gs:0x73533779(%rip)        # 0x73533790
  16:	73 
  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 69 87 61 02       	call   0x26187a0
  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 69 87 61 02       	call   0x2618776
   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
[  148.825832][    C0] RSP: 0018:ffffc9000053fc68 EFLAGS: 00000202
[  148.826102][    C0] RAX: 0000000000000046 RBX: ffff888007b01000 RCX: 1ffff11000d8214c
[  148.826314][    C0] RDX: 0000000000000000 RSI: ffffffff903522e0 RDI: ffff888006c10a60
[  148.826524][    C0] RBP: ffffffff903522e0 R08: ffffffff8e9e92cf R09: fffffbfff21a49fa
[  148.826741][    C0] R10: ffffffff90d24fd7 R11: 0000000000000000 R12: ffffffff8e9e92cf
[  148.826959][    C0] R13: 0000000000000000 R14: ffffffff92c46e40 R15: 000000000c8ca8e2
[ 148.827172][ C0] ? dev_load (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev_ioctl.c:643) 
[ 148.827367][ C0] ? dev_load (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev_ioctl.c:643) 
[ 148.827475][ C0] dev_load (net/core/dev_ioctl.c:646) 
[ 148.827583][ C0] dev_ioctl (./include/linux/rcupdate.h:779 net/core/dev_ioctl.c:714) 
[ 148.827689][ C0] sock_do_ioctl (net/socket.c:1236) 
[ 148.827838][ C0] ? __pfx_sock_do_ioctl (net/socket.c:1214) 
[ 148.828070][ C0] ? __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191) 
[ 148.828212][ C0] ? __pfx___sys_sendto (net/socket.c:2161) 
[ 148.828353][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 148.828495][ C0] sock_ioctl (net/socket.c:1344) 
[ 148.828603][ C0] ? __pfx_sock_ioctl (net/socket.c:1250) 
[ 148.828747][ C0] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:316) 
[ 148.828925][ C0] __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:904 fs/ioctl.c:890 fs/ioctl.c:890) 
[ 148.829066][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 148.829296][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[  148.829470][    C0] RIP: 0033:0x7f162e614c6b
[ 148.829615][ C0] Code: 73 01 c3 48 8b 0d 95 a1 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 65 a1 1b 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 95 a1 1b 00 	mov    0x1ba195(%rip),%rcx        # 0x1ba19f
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 00 00 00       	mov    $0x10,%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 65 a1 1b 00 	mov    0x1ba165(%rip),%rcx        # 0x1ba19f
  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 65 a1 1b 00 	mov    0x1ba165(%rip),%rcx        # 0x1ba175
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  148.830210][    C0] RSP: 002b:00007ffd8ed7c098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  148.830430][    C0] RAX: ffffffffffffffda RBX: 000000000c8c69d0 RCX: 00007f162e614c6b
[  148.830649][    C0] RDX: 00007ffd8ed7c0c0 RSI: 0000000000008933 RDI: 0000000000000005
[  148.830861][    C0] RBP: 000000000c8ca8e2 R08: 0000000000000006 R09: 0030312e30687465
[  148.831070][    C0] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000005


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage