======================================
| [  796.574854][    C3] 1 lock held by swapper/3/0:
| [  796.574979][    C3]  #0: ffffffffbbd77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:300 (discriminator 2) kernel/rcu/tree.c:2611 (discriminator 2))
| [  796.575207][    C3] Preemption disabled at:
| [  796.575209][    C3] 0x0
[  796.575433][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  796.575435][    C3] Call Trace:
[  796.575436][    C3]  <IRQ>
[  796.575438][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  796.575444][    C3]  __might_resched.cold (kernel/sched/core.c:9163)
[  796.575447][    C3]  ? default_idle_call (kernel/sched/idle.c:122)
[  796.575452][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  796.575456][    C3]  ? start_secondary (arch/x86/kernel/smpboot.c:312)
[  796.575461][    C3]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  796.575463][    C3]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  796.575466][    C3]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  796.575471][    C3]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  796.575473][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  796.575478][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  796.575483][    C3]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  796.575485][    C3]  __tcf_chain_put (net/sched/cls_api.c:694)
[  796.575487][    C3]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  796.575492][    C3]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  796.575494][    C3]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  796.575496][    C3]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  796.575499][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  796.575503][    C3]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  796.575506][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  796.575509][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  796.575511][    C3]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[  796.575512][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  796.575514][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[  796.575516][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  796.575520][    C3]  rcu_core (kernel/rcu/tree.c:2869)
[  796.575522][    C3]  handle_softirqs (kernel/softirq.c:622)
[  796.575525][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  796.575529][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  796.575531][    C3]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  796.575535][    C3]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  796.575537][    C3]  irq_exit_rcu (kernel/softirq.c:752)
[  796.575539][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  796.575541][    C3]  </IRQ>
[  796.575542][    C3]  <TASK>
[  796.575542][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  796.575545][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  796.575548][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62)
[  796.575550][    C3] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 44 d3 00 02 	mov    0x200d344(%rip),%rdi        # 0x200d34b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 c8 71 a3 00 	sub    0xa371c8(%rip),%rax        # 0xa371db
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 43 f4 22 00 	verw   0x22f443(%rip)        # 0x22f46b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  796.575552][    C3] RSP: 0018:ffa0000000167de8 EFLAGS: 00000296
[  796.575555][    C3] RAX: 0000000001675dbf RBX: ff11000001bd0040 RCX: ffffffffb8ad9667
[  796.575556][    C3] RDX: ff11000001bd0040 RSI: ffffffffbb801bcb RDI: ffffffffbb26f6c0
[  796.575557][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  796.575558][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc0
[  796.575559][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[  796.575562][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  796.575567][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  796.575569][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767)
[  796.575571][    C3]  default_idle_call (kernel/sched/idle.c:122)
[  796.575573][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  796.575575][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[  796.575577][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  796.575579][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  796.575582][    C3]  do_idle (kernel/sched/idle.c:352)
[  796.575585][    C3]  cpu_startup_entry (kernel/sched/idle.c:451)
[  796.575587][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[  796.575589][    C3]  ? set_cpu_sibling_map (./arch/x86/include/asm/smp.h:148 (discriminator 4))
[  796.575593][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  796.581669][    C3] 1 lock held by swapper/3/0:
| [  796.581749][    C3]  #0: ffffffffbbd77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:300 (discriminator 2) kernel/rcu/tree.c:2611 (discriminator 2))
| [  796.581897][    C3] stack backtrace:
| [  796.581959][    C3] Tainted: [W]=WARN
[  796.581960][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  796.581960][    C3] Call Trace:
[  796.581961][    C3]  <IRQ>
[  796.581962][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  796.581965][    C3]  __lock_acquire.cold (kernel/locking/lockdep.c:4830 kernel/locking/lockdep.c:4902 kernel/locking/lockdep.c:5187)
[  796.581967][    C3]  ? common_startup_64 (arch/x86/kernel/head_64.S:418)
[  796.581969][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  796.581971][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  796.581973][    C3]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  796.581975][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  796.581976][    C3]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  796.581978][    C3]  __mutex_lock (kernel/locking/mutex.c:646 kernel/locking/mutex.c:820)
[  796.581980][    C3]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  796.581981][    C3]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  796.581984][    C3]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  796.581985][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  796.581987][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  796.581989][    C3]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  796.581991][    C3]  __tcf_chain_put (net/sched/cls_api.c:694)
[  796.581993][    C3]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  796.581995][    C3]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  796.581997][    C3]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  796.581998][    C3]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  796.582000][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  796.582002][    C3]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  796.582004][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  796.582006][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  796.582008][    C3]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[  796.582009][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  796.582011][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[  796.582012][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  796.582014][    C3]  rcu_core (kernel/rcu/tree.c:2869)
[  796.582016][    C3]  handle_softirqs (kernel/softirq.c:622)
[  796.582017][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  796.582020][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  796.582021][    C3]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  796.582023][    C3]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  796.582025][    C3]  irq_exit_rcu (kernel/softirq.c:752)
[  796.582026][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  796.582028][    C3]  </IRQ>
[  796.582028][    C3]  <TASK>
[  796.582029][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  796.582030][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  796.582032][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62)
[  796.582034][    C3] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 44 d3 00 02 	mov    0x200d344(%rip),%rdi        # 0x200d34b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 c8 71 a3 00 	sub    0xa371c8(%rip),%rax        # 0xa371db
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 43 f4 22 00 	verw   0x22f443(%rip)        # 0x22f46b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  796.582035][    C3] RSP: 0018:ffa0000000167de8 EFLAGS: 00000296
[  796.582036][    C3] RAX: 0000000001675dbf RBX: ff11000001bd0040 RCX: ffffffffb8ad9667
[  796.582037][    C3] RDX: ff11000001bd0040 RSI: ffffffffbb801bcb RDI: ffffffffbb26f6c0
[  796.582038][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  796.582039][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc0
[  796.582039][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[  796.582041][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  796.582043][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  796.582045][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767)
[  796.582047][    C3]  default_idle_call (kernel/sched/idle.c:122)
[  796.582048][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  796.582050][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[  796.582051][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  796.582053][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  796.582055][    C3]  do_idle (kernel/sched/idle.c:352)
[  796.582056][    C3]  cpu_startup_entry (kernel/sched/idle.c:451)
[  796.582058][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[  796.582059][    C3]  ? set_cpu_sibling_map (./arch/x86/include/asm/smp.h:148 (discriminator 4))
[  796.582061][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  797.803785][    C3] INFO: lockdep is turned off.
| [  797.803862][    C3] Preemption disabled at:
| [  797.803863][    C3] handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
| [  797.804025][    C3] Tainted: [W]=WARN
[  797.804026][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  797.804028][    C3] Call Trace:
[  797.804030][    C3]  <TASK>
[  797.804031][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  797.804037][    C3]  ? handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
[  797.804039][    C3]  __might_resched.cold (kernel/sched/core.c:9163)
[  797.804042][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  797.804046][    C3]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  797.804050][    C3]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  797.804054][    C3]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  797.804057][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  797.804060][    C3]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  797.804062][    C3]  __tcf_chain_put (net/sched/cls_api.c:694)
[  797.804064][    C3]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  797.804067][    C3]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  797.804069][    C3]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  797.804071][    C3]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  797.804074][    C3]  ? rcu_start_this_gp (kernel/rcu/tree.c:1040 (discriminator 1))
[  797.804075][    C3]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  797.804077][    C3]  ? trace_rcu_grace_period (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3) ./include/trace/events/rcu.h:69 (discriminator 3))
[  797.804079][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  797.804081][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  797.804084][    C3]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  797.804086][    C3]  rcu_core (kernel/rcu/tree.c:2869)
[  797.804087][    C3]  handle_softirqs (kernel/softirq.c:622)
[  797.804089][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  797.804093][    C3]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  797.804094][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  797.804096][    C3]  run_ksoftirqd (kernel/softirq.c:1076 kernel/softirq.c:1068)
[  797.804098][    C3]  smpboot_thread_fn (kernel/smpboot.c:160)
[  797.804100][    C3]  ? sort_range (kernel/range.c:164)
[  797.804102][    C3]  kthread (kernel/kthread.c:436)
[  797.804104][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  797.804106][    C3]  ? kthread_affine_node (kernel/kthread.c:378)
[  797.804108][    C3]  ret_from_fork (arch/x86/kernel/process.c:158)
[  797.804111][    C3]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  797.804112][    C3]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  797.804115][    C3]  ? kthread_affine_node (kernel/kthread.c:378)
[  797.804117][    C3]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  799.122848][    C3] INFO: lockdep is turned off.
| [  799.122934][    C3] Preemption disabled at:
| [  799.122935][    C3] 0x0
| [  799.123087][    C3] Tainted: [W]=WARN
[  799.123089][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  799.123090][    C3] Call Trace:
[  799.123092][    C3]  <IRQ>
[  799.123094][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  799.123101][    C3]  __might_resched.cold (kernel/sched/core.c:9163)
[  799.123105][    C3]  ? default_idle_call (kernel/sched/idle.c:122)
[  799.123109][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  799.123113][    C3]  ? start_secondary (arch/x86/kernel/smpboot.c:312)
[  799.123117][    C3]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  799.123119][    C3]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  799.123123][    C3]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  799.123126][    C3]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  799.123128][    C3]  __tcf_chain_put (net/sched/cls_api.c:694)
[  799.123130][    C3]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  799.123133][    C3]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  799.123135][    C3]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  799.123139][    C3]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  799.123141][    C3]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  799.123144][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  799.123146][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  799.123149][    C3]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  799.123151][    C3]  rcu_core (kernel/rcu/tree.c:2869)
[  799.123153][    C3]  handle_softirqs (kernel/softirq.c:622)
[  799.123155][    C3]  ? clockevents_tick_resume (kernel/time/clockevents.c:193)
[  799.123158][    C3]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  799.123160][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  799.123161][    C3]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[  799.123164][    C3]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  799.123166][    C3]  irq_exit_rcu (kernel/softirq.c:752)
[  799.123167][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  799.123169][    C3]  </IRQ>
[  799.123170][    C3]  <TASK>
[  799.123171][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  799.123172][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  799.123175][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62)
[  799.123178][    C3] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 44 d3 00 02 	mov    0x200d344(%rip),%rdi        # 0x200d34b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 c8 71 a3 00 	sub    0xa371c8(%rip),%rax        # 0xa371db
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 43 f4 22 00 	verw   0x22f443(%rip)        # 0x22f46b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  799.123180][    C3] RSP: 0018:ffa0000000167de8 EFLAGS: 00000246
[  799.123183][    C3] RAX: 0000000000000003 RBX: ff11000001bd0040 RCX: 0000000000000001
[  799.123184][    C3] RDX: 0000000000000003 RSI: ffffffffbb26f640 RDI: ffffffffb8ad9667
[  799.123185][    C3] RBP: 0000000000000000 R08: ffffffffbae694f1 R09: 1fe2200006a7639a
[  799.123186][    C3] R10: 0000000000000003 R11: 0000000000000000 R12: 1ff400000002cfc0
[  799.123187][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[  799.123188][    C3]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[  799.123190][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  799.123194][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767)
[  799.123196][    C3]  default_idle_call (kernel/sched/idle.c:122)
[  799.123197][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  799.123199][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[  799.123200][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  799.123202][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  799.123204][    C3]  do_idle (kernel/sched/idle.c:352)
[  799.123206][    C3]  cpu_startup_entry (kernel/sched/idle.c:451)
[  799.123207][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[  799.123209][    C3]  ? set_cpu_sibling_map (./arch/x86/include/asm/smp.h:148 (discriminator 4))
[  799.123211][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  800.373306][    C1] INFO: lockdep is turned off.
| [  800.373385][    C1] Preemption disabled at:
| [  800.373386][    C1] 0x0
| [  800.373537][    C1] Tainted: [W]=WARN
[  800.373538][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  800.373540][    C1] Call Trace:
[  800.373542][    C1]  <IRQ>
[  800.373543][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  800.373551][    C1]  __might_resched.cold (kernel/sched/core.c:9163)
[  800.373554][    C1]  ? default_idle_call (kernel/sched/idle.c:122)
[  800.373559][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  800.373563][    C1]  ? start_secondary (arch/x86/kernel/smpboot.c:312)
[  800.373566][    C1]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  800.373568][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  800.373572][    C1]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  800.373575][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  800.373578][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  800.373580][    C1]  __tcf_chain_put (net/sched/cls_api.c:694)
[  800.373581][    C1]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  800.373585][    C1]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  800.373587][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  800.373590][    C1]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  800.373593][    C1]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  800.373595][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  800.373597][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  800.373600][    C1]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  800.373602][    C1]  rcu_core (kernel/rcu/tree.c:2869)
[  800.373604][    C1]  handle_softirqs (kernel/softirq.c:622)
[  800.373607][    C1]  ? clockevents_tick_resume (kernel/time/clockevents.c:193)
[  800.373610][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  800.373611][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  800.373612][    C1]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[  800.373614][    C1]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  800.373616][    C1]  irq_exit_rcu (kernel/softirq.c:752)
[  800.373617][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  800.373620][    C1]  </IRQ>
[  800.373620][    C1]  <TASK>
[  800.373621][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  800.373623][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  800.373625][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62)
[  800.373628][    C1] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 44 d3 00 02 	mov    0x200d344(%rip),%rdi        # 0x200d34b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 c8 71 a3 00 	sub    0xa371c8(%rip),%rax        # 0xa371db
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 43 f4 22 00 	verw   0x22f443(%rip)        # 0x22f46b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  800.373630][    C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000246
[  800.373633][    C1] RAX: 0000000000000001 RBX: ff11000001bb2340 RCX: 0000000000000001
[  800.373634][    C1] RDX: 0000000000000001 RSI: ffffffffbb26f640 RDI: ffffffffb8ad9667
[  800.373635][    C1] RBP: 0000000000000000 R08: ffffffffbae694f1 R09: 1fe2200006a5639a
[  800.373636][    C1] R10: 0000000000000001 R11: 0000000000000000 R12: 1ff4000000028fc0
[  800.373637][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[  800.373638][    C1]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[  800.373640][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  800.373644][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767)
[  800.373646][    C1]  default_idle_call (kernel/sched/idle.c:122)
[  800.373647][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  800.373649][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[  800.373650][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  800.373652][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  800.373654][    C1]  do_idle (kernel/sched/idle.c:352)
[  800.373656][    C1]  cpu_startup_entry (kernel/sched/idle.c:451)
[  800.373657][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[  800.373658][    C1]  ? set_cpu_sibling_map (./arch/x86/include/asm/smp.h:148 (discriminator 4))
[  800.373660][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  803.920719][    C2] INFO: lockdep is turned off.
| [  803.920863][    C2] Preemption disabled at:
| [  803.920866][    C2] handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
| [  803.921145][    C2] Tainted: [W]=WARN
[  803.921146][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  803.921148][    C2] Call Trace:
[  803.921150][    C2]  <IRQ>
[  803.921151][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  803.921158][    C2]  ? handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
[  803.921159][    C2]  __might_resched.cold (kernel/sched/core.c:9163)
[  803.921162][    C2]  ? kernel_text_address (./include/linux/kprobes.h:359 kernel/extable.c:123 kernel/extable.c:94)
[  803.921165][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  803.921168][    C2]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  803.921172][    C2]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[  803.921175][    C2]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  803.921177][    C2]  ? tear_down_vmas (mm/mmap.c:1262)
[  803.921180][    C2]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  803.921184][    C2]  ? x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[  803.921186][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  803.921187][    C2]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  803.921189][    C2]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  803.921193][    C2]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  803.921196][    C2]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  803.921198][    C2]  __tcf_chain_put (net/sched/cls_api.c:694)
[  803.921200][    C2]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  803.921203][    C2]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  803.921205][    C2]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  803.921207][    C2]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  803.921209][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  803.921211][    C2]  ? sched_balance_softirq (kernel/sched/fair.c:13350)
[  803.921214][    C2]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  803.921215][    C2]  ? sched_balance_domains (kernel/sched/fair.c:12634)
[  803.921217][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  803.921219][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  803.921222][    C2]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  803.921224][    C2]  rcu_core (kernel/rcu/tree.c:2869)
[  803.921225][    C2]  handle_softirqs (kernel/softirq.c:622)
[  803.921227][    C2]  ? clockevents_tick_resume (kernel/time/clockevents.c:193)
[  803.921229][    C2]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  803.921231][    C2]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[  803.921233][    C2]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  803.921235][    C2]  irq_exit_rcu (kernel/softirq.c:752)
[  803.921236][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  803.921238][    C2]  </IRQ>
[  803.921239][    C2]  <TASK>
[  803.921240][    C2]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[  803.921241][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  803.921243][    C2] RIP: 0010:debug_lockdep_rcu_enabled (kernel/rcu/update.c:320 (discriminator 4))
[  803.921246][    C2] Code: eb 82 31 c0 e9 4e ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 8b 05 b2 60 7d 01 85 c0 74 20 8b 05 c0 71 7d 01 <85> c0 74 16 65 48 8b 05 10 87 00 02 8b 80 ec 0a 00 00 85 c0 0f 94
All code
========
   0:	eb 82                	jmp    0xffffffffffffff84
   2:	31 c0                	xor    %eax,%eax
   4:	e9 4e ff ff ff       	jmp    0xffffffffffffff57
   9:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  10:	00 00 00 
  13:	0f 1f 00             	nopl   (%rax)
  16:	f3 0f 1e fa          	endbr64
  1a:	8b 05 b2 60 7d 01    	mov    0x17d60b2(%rip),%eax        # 0x17d60d2
  20:	85 c0                	test   %eax,%eax
  22:	74 20                	je     0x44
  24:	8b 05 c0 71 7d 01    	mov    0x17d71c0(%rip),%eax        # 0x17d71ea
  2a:*	85 c0                	test   %eax,%eax		<-- trapping instruction
  2c:	74 16                	je     0x44
  2e:	65 48 8b 05 10 87 00 	mov    %gs:0x2008710(%rip),%rax        # 0x2008746
  35:	02 
  36:	8b 80 ec 0a 00 00    	mov    0xaec(%rax),%eax
  3c:	85 c0                	test   %eax,%eax
  3e:	0f                   	.byte 0xf
  3f:	94                   	xchg   %eax,%esp

Code starting with the faulting instruction
===========================================
   0:	85 c0                	test   %eax,%eax
   2:	74 16                	je     0x1a
   4:	65 48 8b 05 10 87 00 	mov    %gs:0x2008710(%rip),%rax        # 0x200871c
   b:	02 
   c:	8b 80 ec 0a 00 00    	mov    0xaec(%rax),%eax
  12:	85 c0                	test   %eax,%eax
  14:	0f                   	.byte 0xf
  15:	94                   	xchg   %eax,%esp
[  803.921247][    C2] RSP: 0018:ffa0000000e87730 EFLAGS: 00000202
[  803.921251][    C2] RAX: 0000000000000000 RBX: 00007f5d857372b8 RCX: 0000000000000000
[  803.921252][    C2] RDX: ffffffffb8d0dd89 RSI: ffffffffbb26f640 RDI: ffffffffbb89e950
[  803.921253][    C2] RBP: ffffffffbbe0bf00 R08: 0000000000000000 R09: 0000000000000000
[  803.921254][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: ffa0000000e87860
[  803.921254][    C2] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013cbba80
[  803.921256][    C2]  ? __is_insn_slot_addr (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:838 (discriminator 2) kernel/kprobes.c:305 (discriminator 2))
[  803.921260][    C2]  __is_insn_slot_addr (kernel/kprobes.c:306)
[  803.921262][    C2]  kernel_text_address (./include/linux/kprobes.h:359 kernel/extable.c:123 kernel/extable.c:94)
[  803.921264][    C2]  __kernel_text_address (kernel/extable.c:79)
[  803.921265][    C2]  ? write_profile (profile.c:?)
[  803.921267][    C2]  unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  803.921269][    C2]  arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  803.921273][    C2]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  803.921275][    C2]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  803.921277][    C2]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  803.921281][    C2]  ? tear_down_vmas (mm/mmap.c:1262)
[  803.921282][    C2]  kasan_save_stack (mm/kasan/common.c:57)
[  803.921285][    C2]  ? kasan_save_stack (mm/kasan/common.c:57)
[  803.921287][    C2]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[  803.921288][    C2]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  803.921290][    C2]  ? tear_down_vmas (mm/mmap.c:1262)
[  803.921291][    C2]  ? exit_mmap (mm/mmap.c:1320)
[  803.921293][    C2]  ? mmput (kernel/fork.c:1178 kernel/fork.c:1201)
[  803.921295][    C2]  ? exit_mm (kernel/exit.c:582)
[  803.921297][    C2]  ? do_exit (kernel/exit.c:964)
[  803.921298][    C2]  ? do_group_exit (kernel/exit.c:1119)
[  803.921300][    C2]  ? __x64_sys_exit_group (kernel/exit.c:1130 kernel/exit.c:1128 kernel/exit.c:1128)
[  803.921301][    C2]  ? x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[  803.921302][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  803.921303][    C2]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  803.921307][    C2]  kasan_record_aux_stack (mm/kasan/generic.c:556)
[  803.921309][    C2]  ? flush_cpu_sheaves (mm/slub.c:3958)
[  803.921312][    C2]  __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  803.921313][    C2]  tear_down_vmas (mm/mmap.c:1262)
[  803.921316][    C2]  exit_mmap (mm/mmap.c:1320)
[  803.921318][    C2]  ? vm_brk_flags (./include/linux/seqlock.h:453)
[  803.921319][    C2]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  803.921321][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  803.921322][    C2]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  803.921324][    C2]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[  803.921325][    C2]  ? uprobe_clear_state (kernel/events/uprobes.c:1824)
[  803.921328][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  803.921329][    C2]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1007)
[  803.921332][    C2]  mmput (kernel/fork.c:1178 kernel/fork.c:1201)
[  803.921334][    C2]  exit_mm (kernel/exit.c:582)
[  803.921336][    C2]  ? unwind_deferred_task_exit (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/unwind/deferred.c:56 kernel/unwind/deferred.c:196)
[  803.921337][    C2]  do_exit (kernel/exit.c:964)
[  803.921339][    C2]  ? exit_notify (kernel/exit.c:748)
[  803.921341][    C2]  ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1969 (discriminator 3))
[  803.921343][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  803.921345][    C2]  do_group_exit (kernel/exit.c:1119)
[  803.921346][    C2]  __x64_sys_exit_group (kernel/exit.c:1130 kernel/exit.c:1128 kernel/exit.c:1128)
[  803.921347][    C2]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[  803.921349][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  803.921350][    C2]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  803.921351][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  803.921353][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  803.921354][    C2] RIP: 0033:0x7f5d857372b8
[  803.921357][    C2] Code: Unable to access opcode bytes at 0x7f5d8573728e.

Code starting with the faulting instruction
===========================================
[  803.921358][    C2] RSP: 002b:00007ffe7cec4ac8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  803.921360][    C2] RAX: ffffffffffffffda RBX: 00007f5d85868f88 RCX: 00007f5d857372b8
[  803.921361][    C2] RDX: 00007f5d854acb48 RSI: fffffffffffffeb8 RDI: 0000000000000000
[  803.921361][    C2] RBP: 00007ffe7cec4b20 R08: 0000000000000000 R09: 0000000000008010
[  803.921362][    C2] R10: 00007ffe7cec48e0 R11: 0000000000000246 R12: 0000000000000001
[  803.921363][    C2] R13: 0000000000000000 R14: 00007f5d85867680 R15: 00007f5d85868fa0
| [  808.141382][    C1] INFO: lockdep is turned off.
| [  808.141464][    C1] Preemption disabled at:
| [  808.141465][    C1] 0x0
| [  808.141620][    C1] Tainted: [W]=WARN
[  808.141621][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  808.141623][    C1] Call Trace:
[  808.141624][    C1]  <IRQ>
[  808.141626][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  808.141633][    C1]  __might_resched.cold (kernel/sched/core.c:9163)
[  808.141637][    C1]  ? default_idle_call (kernel/sched/idle.c:122)
[  808.141641][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  808.141645][    C1]  ? start_secondary (arch/x86/kernel/smpboot.c:312)
[  808.141647][    C1]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  808.141650][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  808.141654][    C1]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  808.141656][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  808.141659][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  808.141661][    C1]  __tcf_chain_put (net/sched/cls_api.c:694)
[  808.141662][    C1]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  808.141666][    C1]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  808.141668][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  808.141671][    C1]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  808.141673][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  808.141675][    C1]  ? sched_balance_softirq (kernel/sched/fair.c:13350)
[  808.141678][    C1]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  808.141679][    C1]  ? sched_balance_domains (kernel/sched/fair.c:12634)
[  808.141681][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  808.141682][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  808.141685][    C1]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  808.141688][    C1]  rcu_core (kernel/rcu/tree.c:2869)
[  808.141689][    C1]  handle_softirqs (kernel/softirq.c:622)
[  808.141692][    C1]  ? clockevents_tick_resume (kernel/time/clockevents.c:193)
[  808.141695][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  808.141696][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  808.141697][    C1]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[  808.141699][    C1]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  808.141701][    C1]  irq_exit_rcu (kernel/softirq.c:752)
[  808.141702][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  808.141704][    C1]  </IRQ>
[  808.141705][    C1]  <TASK>
[  808.141706][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  808.141707][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  808.141709][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62)
[  808.141712][    C1] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 44 d3 00 02 	mov    0x200d344(%rip),%rdi        # 0x200d34b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 c8 71 a3 00 	sub    0xa371c8(%rip),%rax        # 0xa371db
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 43 f4 22 00 	verw   0x22f443(%rip)        # 0x22f46b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  808.141713][    C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000246
[  808.141717][    C1] RAX: 0000000000000001 RBX: ff11000001bb2340 RCX: 0000000000000001
[  808.141718][    C1] RDX: 0000000000000001 RSI: ffffffffbb26f640 RDI: ffffffffb8ad9667
[  808.141719][    C1] RBP: 0000000000000000 R08: ffffffffbae694f1 R09: 1fe2200006a5639a
[  808.141720][    C1] R10: 0000000000000001 R11: 0000000000000000 R12: 1ff4000000028fc0
[  808.141720][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[  808.141722][    C1]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[  808.141724][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  808.141726][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767)
[  808.141728][    C1]  default_idle_call (kernel/sched/idle.c:122)
[  808.141730][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  808.141731][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[  808.141732][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  808.141734][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  808.141736][    C1]  do_idle (kernel/sched/idle.c:352)
[  808.141737][    C1]  cpu_startup_entry (kernel/sched/idle.c:451)
[  808.141739][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[  808.141740][    C1]  ? set_cpu_sibling_map (./arch/x86/include/asm/smp.h:148 (discriminator 4))
[  808.141742][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  821.868328][    C1] INFO: lockdep is turned off.
| [  821.868412][    C1] Preemption disabled at:
| [  821.868414][    C1] 0x0
| [  821.868563][    C1] Tainted: [W]=WARN
[  821.868564][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  821.868565][    C1] Workqueue: events virtio_fs_requests_done_work
[  821.868574][    C1] Call Trace:
[  821.868575][    C1]  <IRQ>
[  821.868577][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  821.868583][    C1]  __might_resched.cold (kernel/sched/core.c:9163)
[  821.868587][    C1]  ? kfree (./include/linux/kmemleak.h:50 mm/slub.c:2614 mm/slub.c:6251 mm/slub.c:6566)
[  821.868591][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  821.868595][    C1]  ? process_one_work (kernel/workqueue.c:3314)
[  821.868597][    C1]  ? kthread (kernel/kthread.c:436)
[  821.868599][    C1]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  821.868602][    C1]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  821.868604][    C1]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  821.868608][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  821.868612][    C1]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  821.868615][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  821.868616][    C1]  __tcf_chain_put (net/sched/cls_api.c:694)
[  821.868618][    C1]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  821.868621][    C1]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  821.868623][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  821.868626][    C1]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  821.868629][    C1]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  821.868631][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  821.868633][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  821.868636][    C1]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  821.868638][    C1]  rcu_core (kernel/rcu/tree.c:2869)
[  821.868640][    C1]  handle_softirqs (kernel/softirq.c:622)
[  821.868642][    C1]  ? clockevents_tick_resume (kernel/time/clockevents.c:193)
[  821.868645][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  821.868647][    C1]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[  821.868649][    C1]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  821.868651][    C1]  irq_exit_rcu (kernel/softirq.c:752)
[  821.868652][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  821.868654][    C1]  </IRQ>
[  821.868655][    C1]  <TASK>
[  821.868656][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  821.868658][    C1] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 12) kernel/locking/spinlock.c:198 (discriminator 12))
[  821.868661][    C1] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 21 7e ca fd 48 89 df e8 a9 d4 ca fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 30 62 bd fd 65 8b 05 29 0a fe 01 85 c0 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 21 7e ca fd       	call   0xfffffffffdca7e34
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 a9 d4 ca fd       	call   0xfffffffffdcad4c4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 30 62 bd fd       	call   0xfffffffffdbd6264
  34:	65 8b 05 29 0a fe 01 	mov    %gs:0x1fe0a29(%rip),%eax        # 0x1fe0a64
  3b:	85 c0                	test   %eax,%eax
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 30 62 bd fd       	call   0xfffffffffdbd623a
   a:	65 8b 05 29 0a fe 01 	mov    %gs:0x1fe0a29(%rip),%eax        # 0x1fe0a3a
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[  821.868663][    C1] RSP: 0018:ffa0000000457a18 EFLAGS: 00000246
[  821.868665][    C1] RAX: 0000000000000046 RBX: ffffffffbbf9a080 RCX: 0000000000000000
[  821.868667][    C1] RDX: 0000000000000003 RSI: ffffffffbb26f640 RDI: ffffffffbae90613
[  821.868668][    C1] RBP: 0000000000000286 R08: ffffffffb8db3820 R09: 1ffffffff78c7d1a
[  821.868668][    C1] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
[  821.868669][    C1] R13: ffffffffb9d29268 R14: 0000000000000000 R15: 000000000002608f
[  821.868670][    C1]  ? detach_buf_split_in_order (drivers/virtio/virtio_ring.c:850 drivers/virtio/virtio_ring.c:881)
[  821.868674][    C1]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[  821.868676][    C1]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[  821.868679][    C1]  delete_object_full (mm/kmemleak.c:637 (discriminator 3) mm/kmemleak.c:839 (discriminator 3))
[  821.868681][    C1]  kfree (./include/linux/kmemleak.h:50 mm/slub.c:2614 mm/slub.c:6251 mm/slub.c:6566)
[  821.868683][    C1]  detach_buf_split_in_order (drivers/virtio/virtio_ring.c:850 drivers/virtio/virtio_ring.c:881)
[  821.868685][    C1]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  821.868688][    C1]  virtqueue_get_buf_ctx_split (drivers/virtio/virtio_ring.c:891 drivers/virtio/virtio_ring.c:958)
[  821.868689][    C1]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[  821.868691][    C1]  virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:843 (discriminator 1))
[  821.868693][    C1]  ? virtio_fs_complete_req_work (fs/fuse/virtio_fs.c:823)
[  821.868695][    C1]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  821.868697][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  821.868699][    C1]  process_one_work (kernel/workqueue.c:3314)
[  821.868701][    C1]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  821.868703][    C1]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[  821.868705][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  821.868707][    C1]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  821.868709][    C1]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  821.868711][    C1]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  821.868713][    C1]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  821.868714][    C1]  kthread (kernel/kthread.c:436)
[  821.868716][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  821.868717][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  821.868719][    C1]  ret_from_fork (arch/x86/kernel/process.c:158)
[  821.868720][    C1]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  821.868722][    C1]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  821.868725][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  821.868726][    C1]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  827.188401][    C1] INFO: lockdep is turned off.
| [  827.188486][    C1] Preemption disabled at:
| [  827.188487][    C1] 0x0
| [  827.188629][    C1] Tainted: [W]=WARN
[  827.188631][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  827.188632][    C1] Call Trace:
[  827.188634][    C1]  <IRQ>
[  827.188635][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  827.188642][    C1]  __might_resched.cold (kernel/sched/core.c:9163)
[  827.188646][    C1]  ? default_idle_call (kernel/sched/idle.c:122)
[  827.188650][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  827.188654][    C1]  ? start_secondary (arch/x86/kernel/smpboot.c:312)
[  827.188657][    C1]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  827.188659][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  827.188663][    C1]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  827.188666][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  827.188667][    C1]  __tcf_chain_put (net/sched/cls_api.c:694)
[  827.188669][    C1]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  827.188673][    C1]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  827.188674][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  827.188678][    C1]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  827.188680][    C1]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  827.188682][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  827.188684][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  827.188687][    C1]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  827.188689][    C1]  rcu_core (kernel/rcu/tree.c:2869)
[  827.188691][    C1]  handle_softirqs (kernel/softirq.c:622)
[  827.188694][    C1]  ? clockevents_tick_resume (kernel/time/clockevents.c:193)
[  827.188696][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  827.188697][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  827.188699][    C1]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[  827.188702][    C1]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  827.188703][    C1]  irq_exit_rcu (kernel/softirq.c:752)
[  827.188704][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  827.188706][    C1]  </IRQ>
[  827.188707][    C1]  <TASK>
[  827.188708][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  827.188709][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  827.188712][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62)
[  827.188714][    C1] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 44 d3 00 02 	mov    0x200d344(%rip),%rdi        # 0x200d34b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 c8 71 a3 00 	sub    0xa371c8(%rip),%rax        # 0xa371db
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 43 f4 22 00 	verw   0x22f443(%rip)        # 0x22f46b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  827.188716][    C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000246
[  827.188719][    C1] RAX: 0000000000000001 RBX: ff11000001bb2340 RCX: 0000000000000001
[  827.188720][    C1] RDX: 0000000000000001 RSI: ffffffffbb26f640 RDI: ffffffffb8ad9667
[  827.188721][    C1] RBP: 0000000000000000 R08: ffffffffbae694f1 R09: 1fe2200006a5639a
[  827.188722][    C1] R10: 0000000000000001 R11: 0000000000000000 R12: 1ff4000000028fc0
[  827.188723][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[  827.188724][    C1]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[  827.188726][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  827.188729][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767)
[  827.188731][    C1]  default_idle_call (kernel/sched/idle.c:122)
[  827.188732][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  827.188734][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[  827.188735][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  827.188737][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  827.188738][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  827.188740][    C1]  do_idle (kernel/sched/idle.c:352)
[  827.188741][    C1]  cpu_startup_entry (kernel/sched/idle.c:451)
[  827.188743][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[  827.188744][    C1]  ? set_cpu_sibling_map (./arch/x86/include/asm/smp.h:148 (discriminator 4))
[  827.188746][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  828.432310][    C1] INFO: lockdep is turned off.
| [  828.432380][    C1] Preemption disabled at:
| [  828.432381][    C1] handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
| [  828.432552][    C1] Tainted: [W]=WARN
[  828.432553][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  828.432554][    C1] Call Trace:
[  828.432556][    C1]  <TASK>
[  828.432557][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  828.432563][    C1]  ? handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
[  828.432565][    C1]  __might_resched.cold (kernel/sched/core.c:9163)
[  828.432569][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  828.432573][    C1]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  828.432576][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  828.432580][    C1]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  828.432583][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  828.432586][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  828.432588][    C1]  __tcf_chain_put (net/sched/cls_api.c:694)
[  828.432589][    C1]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  828.432593][    C1]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[  828.432595][    C1]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  828.432597][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  828.432599][    C1]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  828.432601][    C1]  ? rcu_start_this_gp (kernel/rcu/tree.c:1040 (discriminator 1))
[  828.432604][    C1]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  828.432605][    C1]  ? trace_rcu_grace_period (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3) ./include/trace/events/rcu.h:69 (discriminator 3))
[  828.432607][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  828.432609][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  828.432612][    C1]  rcu_core (kernel/rcu/tree.c:2869)
[  828.432614][    C1]  handle_softirqs (kernel/softirq.c:622)
[  828.432616][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  828.432618][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  828.432619][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  828.432621][    C1]  run_ksoftirqd (kernel/softirq.c:1076 kernel/softirq.c:1068)
[  828.432622][    C1]  smpboot_thread_fn (kernel/smpboot.c:160)
[  828.432625][    C1]  ? sort_range (kernel/range.c:164)
[  828.432627][    C1]  kthread (kernel/kthread.c:436)
[  828.432629][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  828.432631][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  828.432632][    C1]  ret_from_fork (arch/x86/kernel/process.c:158)
[  828.432635][    C1]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  828.432637][    C1]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  828.432639][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  828.432641][    C1]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  829.632299][    C1] INFO: lockdep is turned off.
| [  829.632375][    C1] Preemption disabled at:
| [  829.632376][    C1] 0x0
| [  829.632521][    C1] Tainted: [W]=WARN
[  829.632522][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  829.632524][    C1] Call Trace:
[  829.632525][    C1]  <IRQ>
[  829.632527][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  829.632534][    C1]  __might_resched.cold (kernel/sched/core.c:9163)
[  829.632538][    C1]  ? default_idle_call (kernel/sched/idle.c:122)
[  829.632542][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  829.632546][    C1]  ? start_secondary (arch/x86/kernel/smpboot.c:312)
[  829.632549][    C1]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  829.632550][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  829.632554][    C1]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  829.632557][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  829.632559][    C1]  __tcf_chain_put (net/sched/cls_api.c:694)
[  829.632561][    C1]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  829.632564][    C1]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  829.632566][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  829.632569][    C1]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  829.632572][    C1]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  829.632574][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  829.632575][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  829.632578][    C1]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  829.632580][    C1]  rcu_core (kernel/rcu/tree.c:2869)
[  829.632582][    C1]  handle_softirqs (kernel/softirq.c:622)
[  829.632585][    C1]  ? clockevents_tick_resume (kernel/time/clockevents.c:193)
[  829.632588][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  829.632589][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  829.632590][    C1]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[  829.632593][    C1]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  829.632594][    C1]  irq_exit_rcu (kernel/softirq.c:752)
[  829.632596][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  829.632598][    C1]  </IRQ>
[  829.632598][    C1]  <TASK>
[  829.632599][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  829.632601][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  829.632603][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62)
[  829.632605][    C1] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 44 d3 00 02 	mov    0x200d344(%rip),%rdi        # 0x200d34b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 c8 71 a3 00 	sub    0xa371c8(%rip),%rax        # 0xa371db
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 43 f4 22 00 	verw   0x22f443(%rip)        # 0x22f46b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  829.632607][    C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000246
[  829.632610][    C1] RAX: 0000000000000001 RBX: ff11000001bb2340 RCX: 0000000000000001
[  829.632612][    C1] RDX: 0000000000000001 RSI: ffffffffbb26f640 RDI: ffffffffb8ad9667
[  829.632612][    C1] RBP: 0000000000000000 R08: ffffffffbae694f1 R09: 1fe2200006a5639a
[  829.632613][    C1] R10: 0000000000000001 R11: 0000000000000000 R12: 1ff4000000028fc0
[  829.632614][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[  829.632615][    C1]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[  829.632617][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  829.632620][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767)
[  829.632622][    C1]  default_idle_call (kernel/sched/idle.c:122)
[  829.632624][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  829.632625][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[  829.632627][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  829.632628][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  829.632630][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  829.632632][    C1]  do_idle (kernel/sched/idle.c:352)
[  829.632633][    C1]  cpu_startup_entry (kernel/sched/idle.c:451)
[  829.632635][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[  829.632636][    C1]  ? set_cpu_sibling_map (./arch/x86/include/asm/smp.h:148 (discriminator 4))
[  829.632638][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  830.857353][    C1] INFO: lockdep is turned off.
| [  830.857439][    C1] Preemption disabled at:
| [  830.857440][    C1] handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
| [  830.857600][    C1] Tainted: [W]=WARN
[  830.857601][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  830.857603][    C1] Call Trace:
[  830.857604][    C1]  <TASK>
[  830.857606][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  830.857612][    C1]  ? handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
[  830.857613][    C1]  __might_resched.cold (kernel/sched/core.c:9163)
[  830.857617][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  830.857621][    C1]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  830.857625][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  830.857629][    C1]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  830.857632][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  830.857636][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  830.857638][    C1]  __tcf_chain_put (net/sched/cls_api.c:694)
[  830.857639][    C1]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  830.857643][    C1]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  830.857645][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  830.857647][    C1]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  830.857649][    C1]  ? rcu_start_this_gp (kernel/rcu/tree.c:1040 (discriminator 1))
[  830.857651][    C1]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  830.857653][    C1]  ? trace_rcu_grace_period (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3) ./include/trace/events/rcu.h:69 (discriminator 3))
[  830.857655][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  830.857657][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  830.857660][    C1]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  830.857662][    C1]  rcu_core (kernel/rcu/tree.c:2869)
[  830.857664][    C1]  handle_softirqs (kernel/softirq.c:622)
[  830.857666][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  830.857668][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  830.857670][    C1]  run_ksoftirqd (kernel/softirq.c:1076 kernel/softirq.c:1068)
[  830.857671][    C1]  smpboot_thread_fn (kernel/smpboot.c:160)
[  830.857674][    C1]  ? sort_range (kernel/range.c:164)
[  830.857675][    C1]  kthread (kernel/kthread.c:436)
[  830.857678][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  830.857680][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  830.857681][    C1]  ret_from_fork (arch/x86/kernel/process.c:158)
[  830.857685][    C1]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  830.857686][    C1]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  830.857689][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  830.857691][    C1]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  832.065510][    C0] INFO: lockdep is turned off.
| [  832.065581][    C0] Preemption disabled at:
| [  832.065582][    C0] handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
| [  832.065731][    C0] Tainted: [W]=WARN
[  832.065732][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  832.065734][    C0] Call Trace:
[  832.065735][    C0]  <TASK>
[  832.065737][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  832.065742][    C0]  ? handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
[  832.065744][    C0]  __might_resched.cold (kernel/sched/core.c:9163)
[  832.065747][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  832.065751][    C0]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  832.065755][    C0]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  832.065759][    C0]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  832.065762][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  832.065765][    C0]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  832.065767][    C0]  __tcf_chain_put (net/sched/cls_api.c:694)
[  832.065768][    C0]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  832.065772][    C0]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  832.065774][    C0]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  832.065775][    C0]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  832.065780][    C0]  ? rcu_start_this_gp (kernel/rcu/tree.c:1040 (discriminator 1))
[  832.065782][    C0]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  832.065783][    C0]  ? trace_rcu_grace_period (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3) ./include/trace/events/rcu.h:69 (discriminator 3))
[  832.065785][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  832.065787][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  832.065790][    C0]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  832.065792][    C0]  rcu_core (kernel/rcu/tree.c:2869)
[  832.065794][    C0]  handle_softirqs (kernel/softirq.c:622)
[  832.065796][    C0]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  832.065797][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  832.065799][    C0]  run_ksoftirqd (kernel/softirq.c:1076 kernel/softirq.c:1068)
[  832.065801][    C0]  smpboot_thread_fn (kernel/smpboot.c:160)
[  832.065803][    C0]  ? sort_range (kernel/range.c:164)
[  832.065805][    C0]  kthread (kernel/kthread.c:436)
[  832.065808][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  832.065809][    C0]  ? kthread_affine_node (kernel/kthread.c:378)
[  832.065811][    C0]  ret_from_fork (arch/x86/kernel/process.c:158)
[  832.065813][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  832.065815][    C0]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  832.065818][    C0]  ? kthread_affine_node (kernel/kthread.c:378)
[  832.065820][    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  833.469308][    C1] INFO: lockdep is turned off.
| [  833.469387][    C1] Preemption disabled at:
| [  833.469388][    C1] 0x0
| [  833.469539][    C1] Tainted: [W]=WARN
[  833.469540][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  833.469542][    C1] Call Trace:
[  833.469544][    C1]  <IRQ>
[  833.469545][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  833.469552][    C1]  __might_resched.cold (kernel/sched/core.c:9163)
[  833.469556][    C1]  ? default_idle_call (kernel/sched/idle.c:122)
[  833.469560][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  833.469564][    C1]  ? start_secondary (arch/x86/kernel/smpboot.c:312)
[  833.469567][    C1]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  833.469569][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  833.469573][    C1]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  833.469576][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  833.469578][    C1]  __tcf_chain_put (net/sched/cls_api.c:694)
[  833.469579][    C1]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  833.469583][    C1]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  833.469585][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  833.469588][    C1]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  833.469590][    C1]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  833.469592][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  833.469594][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  833.469597][    C1]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  833.469599][    C1]  rcu_core (kernel/rcu/tree.c:2869)
[  833.469601][    C1]  handle_softirqs (kernel/softirq.c:622)
[  833.469603][    C1]  ? clockevents_tick_resume (kernel/time/clockevents.c:193)
[  833.469606][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  833.469608][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  833.469609][    C1]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[  833.469612][    C1]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  833.469613][    C1]  irq_exit_rcu (kernel/softirq.c:752)
[  833.469615][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  833.469617][    C1]  </IRQ>
[  833.469617][    C1]  <TASK>
[  833.469618][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  833.469619][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  833.469622][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62)
[  833.469624][    C1] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 44 d3 00 02 	mov    0x200d344(%rip),%rdi        # 0x200d34b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 c8 71 a3 00 	sub    0xa371c8(%rip),%rax        # 0xa371db
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 43 f4 22 00 	verw   0x22f443(%rip)        # 0x22f46b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  833.469626][    C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000246
[  833.469629][    C1] RAX: 0000000000000001 RBX: ff11000001bb2340 RCX: 0000000000000001
[  833.469631][    C1] RDX: 0000000000000001 RSI: ffffffffbb26f640 RDI: ffffffffb8ad9667
[  833.469631][    C1] RBP: 0000000000000000 R08: ffffffffbae694f1 R09: 1fe2200006a5639a
[  833.469632][    C1] R10: 0000000000000001 R11: 0000000000000000 R12: 1ff4000000028fc0
[  833.469633][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[  833.469634][    C1]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[  833.469636][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  833.469639][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767)
[  833.469641][    C1]  default_idle_call (kernel/sched/idle.c:122)
[  833.469643][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  833.469644][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[  833.469646][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  833.469647][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  833.469649][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  833.469650][    C1]  do_idle (kernel/sched/idle.c:352)
[  833.469652][    C1]  cpu_startup_entry (kernel/sched/idle.c:451)
[  833.469653][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[  833.469655][    C1]  ? set_cpu_sibling_map (./arch/x86/include/asm/smp.h:148 (discriminator 4))
[  833.469657][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  834.681653][    C1] INFO: lockdep is turned off.
| [  834.681725][    C1] Preemption disabled at:
| [  834.681727][    C1] handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
| [  834.681895][    C1] Tainted: [W]=WARN
[  834.681896][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  834.681898][    C1] Call Trace:
[  834.681899][    C1]  <TASK>
[  834.681901][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  834.681907][    C1]  ? handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
[  834.681909][    C1]  __might_resched.cold (kernel/sched/core.c:9163)
[  834.681913][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  834.681918][    C1]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  834.681923][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  834.681932][    C1]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  834.681938][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  834.681945][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  834.681948][    C1]  __tcf_chain_put (net/sched/cls_api.c:694)
[  834.681951][    C1]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  834.681956][    C1]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  834.681966][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  834.681972][    C1]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  834.681977][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  834.681980][    C1]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  834.681983][    C1]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1644 kernel/sched/core.c:5125 kernel/sched/core.c:5243)
[  834.681985][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  834.681987][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  834.681991][    C1]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  834.681995][    C1]  rcu_core (kernel/rcu/tree.c:2869)
[  834.681998][    C1]  handle_softirqs (kernel/softirq.c:622)
[  834.682001][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  834.682003][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  834.682006][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  834.682008][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  834.682011][    C1]  run_ksoftirqd (kernel/softirq.c:1076 kernel/softirq.c:1068)
[  834.682013][    C1]  smpboot_thread_fn (kernel/smpboot.c:160)
[  834.682017][    C1]  ? sort_range (kernel/range.c:164)
[  834.682019][    C1]  kthread (kernel/kthread.c:436)
[  834.682021][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  834.682024][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  834.682026][    C1]  ret_from_fork (arch/x86/kernel/process.c:158)
[  834.682030][    C1]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  834.682033][    C1]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  834.682035][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  834.682037][    C1]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  835.886315][    C1] INFO: lockdep is turned off.
| [  835.886389][    C1] Preemption disabled at:
| [  835.886391][    C1] handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
| [  835.886556][    C1] Tainted: [W]=WARN
[  835.886557][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  835.886559][    C1] Call Trace:
[  835.886561][    C1]  <TASK>
[  835.886562][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  835.886568][    C1]  ? handle_softirqs (kernel/softirq.c:463 (discriminator 1) kernel/softirq.c:598 (discriminator 1))
[  835.886570][    C1]  __might_resched.cold (kernel/sched/core.c:9163)
[  835.886573][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  835.886577][    C1]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  835.886581][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  835.886586][    C1]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  835.886588][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  835.886592][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  835.886594][    C1]  __tcf_chain_put (net/sched/cls_api.c:694)
[  835.886596][    C1]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  835.886599][    C1]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  835.886601][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  835.886603][    C1]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  835.886605][    C1]  ? rcu_start_this_gp (kernel/rcu/tree.c:1040 (discriminator 1))
[  835.886608][    C1]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  835.886609][    C1]  ? trace_rcu_grace_period (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3) ./include/trace/events/rcu.h:69 (discriminator 3))
[  835.886612][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  835.886613][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  835.886617][    C1]  rcu_core (kernel/rcu/tree.c:2869)
[  835.886618][    C1]  handle_softirqs (kernel/softirq.c:622)
[  835.886621][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  835.886622][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  835.886624][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  835.886625][    C1]  run_ksoftirqd (kernel/softirq.c:1076 kernel/softirq.c:1068)
[  835.886627][    C1]  smpboot_thread_fn (kernel/smpboot.c:160)
[  835.886630][    C1]  ? sort_range (kernel/range.c:164)
[  835.886631][    C1]  kthread (kernel/kthread.c:436)
[  835.886634][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  835.886635][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  835.886637][    C1]  ret_from_fork (arch/x86/kernel/process.c:158)
[  835.886640][    C1]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  835.886642][    C1]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  835.886645][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  835.886646][    C1]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  837.108306][    C1] INFO: lockdep is turned off.
| [  837.108382][    C1] Preemption disabled at:
| [  837.108383][    C1] 0x0
| [  837.108527][    C1] Tainted: [W]=WARN
[  837.108528][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  837.108529][    C1] Call Trace:
[  837.108531][    C1]  <IRQ>
[  837.108532][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  837.108539][    C1]  __might_resched.cold (kernel/sched/core.c:9163)
[  837.108543][    C1]  ? default_idle_call (kernel/sched/idle.c:122)
[  837.108547][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  837.108551][    C1]  ? start_secondary (arch/x86/kernel/smpboot.c:312)
[  837.108554][    C1]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  837.108556][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  837.108560][    C1]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  837.108563][    C1]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  837.108565][    C1]  __tcf_chain_put (net/sched/cls_api.c:694)
[  837.108566][    C1]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  837.108570][    C1]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  837.108572][    C1]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  837.108575][    C1]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  837.108578][    C1]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  837.108580][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  837.108583][    C1]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  837.108585][    C1]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  837.108587][    C1]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  837.108589][    C1]  rcu_core (kernel/rcu/tree.c:2869)
[  837.108591][    C1]  handle_softirqs (kernel/softirq.c:622)
[  837.108594][    C1]  ? clockevents_tick_resume (kernel/time/clockevents.c:193)
[  837.108596][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  837.108598][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  837.108599][    C1]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[  837.108601][    C1]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  837.108603][    C1]  irq_exit_rcu (kernel/softirq.c:752)
[  837.108604][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  837.108606][    C1]  </IRQ>
[  837.108607][    C1]  <TASK>
[  837.108607][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  837.108609][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  837.108611][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62)
[  837.108614][    C1] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 44 d3 00 02 	mov    0x200d344(%rip),%rdi        # 0x200d34b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 c8 71 a3 00 	sub    0xa371c8(%rip),%rax        # 0xa371db
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 43 f4 22 00 	verw   0x22f443(%rip)        # 0x22f46b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  837.108615][    C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000246
[  837.108619][    C1] RAX: 0000000000000001 RBX: ff11000001bb2340 RCX: 0000000000000001
[  837.108620][    C1] RDX: 0000000000000001 RSI: ffffffffbb26f640 RDI: ffffffffb8ad9667
[  837.108621][    C1] RBP: 0000000000000000 R08: ffffffffbae694f1 R09: 1fe2200006a5639a
[  837.108622][    C1] R10: 0000000000000001 R11: 0000000000000000 R12: 1ff4000000028fc0
[  837.108622][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[  837.108624][    C1]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[  837.108626][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  837.108629][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767)
[  837.108631][    C1]  default_idle_call (kernel/sched/idle.c:122)
[  837.108632][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  837.108634][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[  837.108635][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  837.108637][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  837.108639][    C1]  do_idle (kernel/sched/idle.c:352)
[  837.108640][    C1]  cpu_startup_entry (kernel/sched/idle.c:451)
[  837.108642][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[  837.108643][    C1]  ? set_cpu_sibling_map (./arch/x86/include/asm/smp.h:148 (discriminator 4))


Finger prints:
handle_softirqs:dump_stack_lvl:__mutex_lock:__tcf_chain_put:tcf_action_rcu_free
__mutex_lock:__tcf_chain_put:tcf_action_rcu_free:rcu_do_batch:rcu_core