======================================
| # 123.29 [+0.00] [ 1100.415159] [    C0] hardirqs last  enabled at (92474): irqentry_exit (kernel/entry/common.c:220)
| # 123.30 [+0.01] [ 1100.415167] [    C0] hardirqs last disabled at (92475): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1056)
| # 123.30 [+0.01] [ 1100.415168] [    C0] softirqs last  enabled at (91042): handle_softirqs (kernel/softirq.c:469 (discriminator 2) kernel/softirq.c:650 (discriminator 2))
| # 123.31 [+0.01] [ 1100.415173] [    C0] softirqs last disabled at (91047): irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
# 123.32 [+0.01] [ 1100.415180] [    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 123.32 [+0.00] [ 1100.415181] [    C0] Stopper: 0x0 <- 0x0
# 123.33 [+0.00] [ 1100.415185] [    C0] RIP: 0010:handle_softirqs (kernel/softirq.c:608)
# 123.33 [+0.00] [ 1100.415189] [    C0] Code: 08 45 89 ee 48 89 6c 24 10 48 c7 c7 60 a1 8a b6 e8 86 91 35 02 31 c0 65 66 89 05 d4 16 3d 04 e8 07 2e 3c 00 fb bb ff ff ff ff <49> c7 c4 c0 c0 20 b7 41 0f bc de 83 c3 01 0f 85 9f 00 00 00 e9 a3
All code
========
   0:	08 45 89             	or     %al,-0x77(%rbp)
   3:	ee                   	out    %al,(%dx)
   4:	48 89 6c 24 10       	mov    %rbp,0x10(%rsp)
   9:	48 c7 c7 60 a1 8a b6 	mov    $0xffffffffb68aa160,%rdi
  10:	e8 86 91 35 02       	call   0x235919b
  15:	31 c0                	xor    %eax,%eax
  17:	65 66 89 05 d4 16 3d 	mov    %ax,%gs:0x43d16d4(%rip)        # 0x43d16f3
  1e:	04 
  1f:	e8 07 2e 3c 00       	call   0x3c2e2b
  24:	fb                   	sti
  25:	bb ff ff ff ff       	mov    $0xffffffff,%ebx
  2a:*	49 c7 c4 c0 c0 20 b7 	mov    $0xffffffffb720c0c0,%r12		<-- trapping instruction
  31:	41 0f bc de          	bsf    %r14d,%ebx
  35:	83 c3 01             	add    $0x1,%ebx
  38:	0f 85 9f 00 00 00    	jne    0xdd
  3e:	e9                   	.byte 0xe9
  3f:	a3                   	.byte 0xa3

Code starting with the faulting instruction
===========================================
   0:	49 c7 c4 c0 c0 20 b7 	mov    $0xffffffffb720c0c0,%r12
   7:	41 0f bc de          	bsf    %r14d,%ebx
   b:	83 c3 01             	add    $0x1,%ebx
   e:	0f 85 9f 00 00 00    	jne    0xb3
  14:	e9                   	.byte 0xe9
  15:	a3                   	.byte 0xa3
# 123.34 [+0.01] [ 1100.415190] [    C0] RSP: 0018:ffa0000000007f40 EFLAGS: 00000282
# 123.34 [+0.00] [ 1100.415192] [    C0] RAX: 00000000000163a8 RBX: 00000000ffffffff RCX: ffffffffb437f969
# 123.35 [+0.00] [ 1100.415194] [    C0] RDX: ff11000001b44540 RSI: ffffffffb6fb6b61 RDI: ffffffffb6a6b280
# 123.35 [+0.00] [ 1100.415195] [    C0] RBP: fffffbfff6e42250 R08: 0000000000000000 R09: 0000000000000001
# 123.36 [+0.00] [ 1100.415195] [    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
# 123.36 [+0.00] [ 1100.415196] [    C0] R13: 0000000000000282 R14: 0000000000000282 R15: 1ff4000000000fef
# 123.37 [+0.00] [ 1100.415199] [    C0] FS:  0000000000000000(0000) GS:ff1100007cacf000(0000) knlGS:0000000000000000
# 123.37 [+0.00] [ 1100.415203] [    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# 123.37 [+0.00] [ 1100.415204] [    C0] CR2: 000055a383483fe8 CR3: 000000000af83006 CR4: 0000000000771ef0
# 123.38 [+0.00] [ 1100.415205] [    C0] PKRU: 55555554
# 123.38 [+0.00] [ 1100.415205] [    C0] Call Trace:
# 123.38 [+0.00] [ 1100.415207] [    C0]  <IRQ>
# 123.38 [+0.00] [ 1100.415211] [    C0]  ? _local_bh_enable (kernel/softirq.c:580)
# 123.39 [+0.00] [ 1100.415213] [    C0]  ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
# 123.39 [+0.00] [ 1100.415219] [    C0]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
# 123.39 [+0.00] [ 1100.415220] [    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
# 123.39 [+0.00] [ 1100.415223] [    C0]  </IRQ>
# 123.40 [+0.00] [ 1100.415224] [    C0]  <TASK>
# 123.40 [+0.00] [ 1100.415225] [    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 123.40 [+0.00] [ 1100.415228] [    C0] RIP: 0010:smpboot_thread_fn (kernel/smpboot.c:108 (discriminator 6))
# 123.40 [+0.00] [ 1100.415231] [    C0] Code: 8b 6d 08 49 bc 00 00 00 00 00 fc ff df 49 c1 ef 03 48 8d 83 18 15 00 00 4d 01 e7 49 89 c6 48 89 44 24 18 49 c1 ee 03 4d 01 e6 <48> 8d 05 00 00 00 00 41 80 3e 00 0f 85 da 06 00 00 48 89 83 18 15
All code
========
   0:	8b 6d 08             	mov    0x8(%rbp),%ebp
   3:	49 bc 00 00 00 00 00 	movabs $0xdffffc0000000000,%r12
   a:	fc ff df 
   d:	49 c1 ef 03          	shr    $0x3,%r15
  11:	48 8d 83 18 15 00 00 	lea    0x1518(%rbx),%rax
  18:	4d 01 e7             	add    %r12,%r15
  1b:	49 89 c6             	mov    %rax,%r14
  1e:	48 89 44 24 18       	mov    %rax,0x18(%rsp)
  23:	49 c1 ee 03          	shr    $0x3,%r14
  27:	4d 01 e6             	add    %r12,%r14
  2a:*	48 8d 05 00 00 00 00 	lea    0x0(%rip),%rax        # 0x31		<-- trapping instruction
  31:	41 80 3e 00          	cmpb   $0x0,(%r14)
  35:	0f 85 da 06 00 00    	jne    0x715
  3b:	48                   	rex.W
  3c:	89                   	.byte 0x89
  3d:	83 18 15             	sbbl   $0x15,(%rax)

Code starting with the faulting instruction
===========================================
   0:	48 8d 05 00 00 00 00 	lea    0x0(%rip),%rax        # 0x7
   7:	41 80 3e 00          	cmpb   $0x0,(%r14)
   b:	0f 85 da 06 00 00    	jne    0x6eb
  11:	48                   	rex.W
  12:	89                   	.byte 0x89
  13:	83 18 15             	sbbl   $0x15,(%rax)
# 123.42 [+0.01] [ 1100.415232] [    C0] RSP: 0018:ffa0000000127dc0 EFLAGS: 00000286
# 123.42 [+0.00] [ 1100.415233] [    C0] RAX: ff11000001b44540 RBX: ff11000001b44540 RCX: 0000000000000000
# 123.42 [+0.00] [ 1100.415233] [    C0] RDX: 0000000004208040 RSI: 1ffffffff724a528 RDI: ff11000001b4456c
# 123.43 [+0.00] [ 1100.415234] [    C0] RBP: ff1100000195a470 R08: ffffffffb441fafe R09: fffffbfff6fc68aa
# 123.43 [+0.00] [ 1100.415235] [    C0] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
# 123.44 [+0.00] [ 1100.415236] [    C0] R13: ffffffffb7601820 R14: ffe21c0000368b4b R15: ffe21c000032b48e
# 123.44 [+0.00] [ 1100.415238] [    C0]  ? trace_sched_exit_tp (./arch/x86/include/asm/bitops.h:222 ./arch/x86/include/asm/bitops.h:233 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/sched.h:886)
# 123.44 [+0.00] [ 1100.415246] [    C0]  ? sort_range (kernel/smpboot.c:103)
# 123.45 [+0.00] [ 1100.415247] [    C0]  kthread (kernel/kthread.c:463)
# 123.45 [+0.00] [ 1100.415250] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 123.45 [+0.00] [ 1100.415252] [    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
# 123.46 [+0.00] [ 1100.415255] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 123.46 [+0.00] [ 1100.415257] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 123.46 [+0.00] [ 1100.415259] [    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
# 123.46 [+0.00] [ 1100.415263] [    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
# 123.47 [+0.00] [ 1100.415267] [    C0]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665)
# 123.47 [+0.00] [ 1100.415269] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 123.47 [+0.00] [ 1100.415271] [    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:256)
| # 123.48 [+0.00] [ 1141.190565] [    C0] rcu: INFO: rcu_preempt self-detected stall on CPU
| # 123.48 [+0.00] [ 1141.190817] [    C0] rcu: 0-....: (4165 ticks this GP) idle=e264/1/0x4000000000000000 softirq=637994/637994 fqs=6249
| # 123.49 [+0.01] [ 1141.191345] [    C0] rcu: (t=26000 jiffies g=629149 q=579 ncpus=4)
| # 123.50 [+0.01] [ 1141.191550] [    C0] Tainted: [L]=SOFTLOCKUP
# 123.50 [+0.00] [ 1141.191551] [    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 123.50 [+0.00] [ 1141.191552] [    C0] Stopper: 0x0 <- 0x0
# 123.51 [+0.00] [ 1141.191557] [    C0] RIP: 0010:__unwind_start (arch/x86/kernel/unwind_orc.c:781)
# 123.51 [+0.00] [ 1141.191564] [    C0] Code: 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 0c 03 00 00 41 c7 07 00 00 00 00 48 83 c4 18 <5b> 5d 41 5c 41 5d 41 5e 41 5f c3 4d 85 e4 0f 85 a6 fd ff ff 48 8d
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	00 fc                	add    %bh,%ah
   6:	ff                   	lcall  (bad)
   7:	df 4c 89 fa          	fisttps -0x6(%rcx,%rcx,4)
   b:	48 c1 ea 03          	shr    $0x3,%rdx
   f:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax
  13:	84 c0                	test   %al,%al
  15:	74 08                	je     0x1f
  17:	3c 03                	cmp    $0x3,%al
  19:	0f 8e 0c 03 00 00    	jle    0x32b
  1f:	41 c7 07 00 00 00 00 	movl   $0x0,(%r15)
  26:	48 83 c4 18          	add    $0x18,%rsp
  2a:*	5b                   	pop    %rbx		<-- trapping instruction
  2b:	5d                   	pop    %rbp
  2c:	41 5c                	pop    %r12
  2e:	41 5d                	pop    %r13
  30:	41 5e                	pop    %r14
  32:	41 5f                	pop    %r15
  34:	c3                   	ret
  35:	4d 85 e4             	test   %r12,%r12
  38:	0f 85 a6 fd ff ff    	jne    0xfffffffffffffde4
  3e:	48                   	rex.W
  3f:	8d                   	.byte 0x8d

Code starting with the faulting instruction
===========================================
   0:	5b                   	pop    %rbx
   1:	5d                   	pop    %rbp
   2:	41 5c                	pop    %r12
   4:	41 5d                	pop    %r13
   6:	41 5e                	pop    %r14
   8:	41 5f                	pop    %r15
   a:	c3                   	ret
   b:	4d 85 e4             	test   %r12,%r12
   e:	0f 85 a6 fd ff ff    	jne    0xfffffffffffffdba
  14:	48                   	rex.W
  15:	8d                   	.byte 0x8d
# 123.52 [+0.01] [ 1141.191565] [    C0] RSP: 0018:ffa00000000079b8 EFLAGS: 00000286
# 123.52 [+0.00] [ 1141.191568] [    C0] RAX: 1ff4000000000f47 RBX: ffa0000000007a90 RCX: ffa0000000007a98
# 123.53 [+0.00] [ 1141.191569] [    C0] RDX: ffa0000000008000 RSI: ffffffffb6fb6b61 RDI: ff11000001b44944
# 123.53 [+0.00] [ 1141.191570] [    C0] RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000001
# 123.54 [+0.00] [ 1141.191571] [    C0] R10: 0000000000000000 R11: 0000000000000004 R12: fff3fc0000000f40
# 123.54 [+0.00] [ 1141.191572] [    C0] R13: fff3fc0000000f3f R14: ffa0000000007a38 R15: ffa00000000079f0
# 123.55 [+0.00] [ 1141.191574] [    C0] FS:  0000000000000000(0000) GS:ff1100007cacf000(0000) knlGS:0000000000000000
# 123.55 [+0.00] [ 1141.191578] [    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# 123.56 [+0.00] [ 1141.191579] [    C0] CR2: 000055a383483fe8 CR3: 000000000af83006 CR4: 0000000000771ef0
# 123.56 [+0.00] [ 1141.191580] [    C0] PKRU: 55555554
# 123.56 [+0.00] [ 1141.191580] [    C0] Call Trace:
# 123.56 [+0.00] [ 1141.191581] [    C0]  <IRQ>
# 123.56 [+0.00] [ 1141.191583] [    C0]  ? write_profile (kernel/stacktrace.c:83)
# 123.57 [+0.00] [ 1141.191588] [    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:24 (discriminator 3))
# 123.57 [+0.00] [ 1141.191598] [    C0]  ? stack_trace_save (kernel/stacktrace.c:123)
# 123.57 [+0.00] [ 1141.191603] [    C0]  stack_trace_save (kernel/stacktrace.c:123)
# 123.58 [+0.00] [ 1141.191605] [    C0]  ? filter_irq_stacks (kernel/stacktrace.c:114)
# 123.58 [+0.00] [ 1141.191607] [    C0]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 4) kernel/locking/lockdep.c:3821 (discriminator 4) kernel/locking/lockdep.c:3876 (discriminator 4))
# 123.58 [+0.00] [ 1141.191611] [    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
# 123.58 [+0.00] [ 1141.191614] [    C0]  kasan_save_stack (mm/kasan/common.c:58)
# 123.59 [+0.00] [ 1141.191636] [    C0]  kasan_save_track (mm/kasan/common.c:70 (discriminator 1) mm/kasan/common.c:79 (discriminator 1))
# 123.59 [+0.00] [ 1141.191638] [    C0]  kasan_save_free_info (mm/kasan/generic.c:587 (discriminator 1))
# 123.59 [+0.00] [ 1141.191640] [    C0]  __kasan_slab_free (mm/kasan/common.c:287)
# 123.59 [+0.00] [ 1141.191643] [    C0]  kmem_cache_free (mm/slub.c:6674 (discriminator 3) mm/slub.c:6785 (discriminator 3))
# 123.60 [+0.00] [ 1141.191646] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 123.60 [+0.00] [ 1141.191648] [    C0]  ? rcu_do_batch (./include/linux/rcupdate.h:341 (discriminator 1) kernel/rcu/tree.c:2607 (discriminator 1))
# 123.60 [+0.00] [ 1141.191650] [    C0]  ? rcu_do_batch (./include/linux/rcupdate.h:331 (discriminator 1) kernel/rcu/tree.c:2599 (discriminator 1))
# 123.61 [+0.00] [ 1141.191651] [    C0]  ? rcu_do_batch (kernel/rcu/tree.c:2605)
# 123.61 [+0.00] [ 1141.191654] [    C0]  ? rcu_do_batch (./include/linux/rcupdate.h:341 (discriminator 1) kernel/rcu/tree.c:2607 (discriminator 1))
# 123.61 [+0.00] [ 1141.191656] [    C0]  rcu_do_batch (./include/linux/rcupdate.h:341 (discriminator 1) kernel/rcu/tree.c:2607 (discriminator 1))
# 123.61 [+0.00] [ 1141.191661] [    C0]  ? trace_rcu_batch_end (kernel/rcu/tree.c:2529)
# 123.62 [+0.00] [ 1141.191664] [    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33))
# 123.62 [+0.00] [ 1141.191667] [    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 6) kernel/locking/lockdep.c:4411 (discriminator 6))
# 123.62 [+0.00] [ 1141.191669] [    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
# 123.62 [+0.00] [ 1141.191672] [    C0]  ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 ./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
# 123.63 [+0.00] [ 1141.191674] [    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 (discriminator 3) kernel/locking/spinlock.c:194 (discriminator 3))
# 123.63 [+0.00] [ 1141.191677] [    C0]  rcu_core (kernel/rcu/tree.c:2859)
# 123.63 [+0.00] [ 1141.191680] [    C0]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
# 123.64 [+0.00] [ 1141.191686] [    C0]  ? _local_bh_enable (kernel/softirq.c:580)
# 123.64 [+0.00] [ 1141.191688] [    C0]  ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
# 123.64 [+0.00] [ 1141.191692] [    C0]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
# 123.64 [+0.00] [ 1141.191694] [    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
# 123.65 [+0.00] [ 1141.191696] [    C0]  </IRQ>
# 123.65 [+0.00] [ 1141.191697] [    C0]  <TASK>
# 123.65 [+0.00] [ 1141.191697] [    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:114)
# 123.65 [+0.00] [ 1141.191700] [    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 123.66 [+0.00] [ 1141.191702] [    C0] RIP: 0010:_raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202)
# 123.66 [+0.00] [ 1141.191704] [    C0] Code: 0f 1f 44 00 00 53 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 85 73 de fd 48 89 df e8 ed c4 de fd e8 d8 3b 04 fe fb bf 01 00 00 00 <e8> 4d 02 d2 fd 65 8b 05 86 24 05 02 85 c0 74 02 5b c3 e8 ab a9 86
All code
========
   0:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   5:	53                   	push   %rbx
   6:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
   b:	48 89 fb             	mov    %rdi,%rbx
   e:	48 83 c7 18          	add    $0x18,%rdi
  12:	e8 85 73 de fd       	call   0xfffffffffdde739c
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 ed c4 de fd       	call   0xfffffffffddec50c
  1f:	e8 d8 3b 04 fe       	call   0xfffffffffe043bfc
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 4d 02 d2 fd       	call   0xfffffffffdd2027c		<-- trapping instruction
  2f:	65 8b 05 86 24 05 02 	mov    %gs:0x2052486(%rip),%eax        # 0x20524bc
  36:	85 c0                	test   %eax,%eax
  38:	74 02                	je     0x3c
  3a:	5b                   	pop    %rbx
  3b:	c3                   	ret
  3c:	e8                   	.byte 0xe8
  3d:	ab                   	stos   %eax,(%rdi)
  3e:	a9                   	.byte 0xa9
  3f:	86                   	.byte 0x86

Code starting with the faulting instruction
===========================================
   0:	e8 4d 02 d2 fd       	call   0xfffffffffdd20252
   5:	65 8b 05 86 24 05 02 	mov    %gs:0x2052486(%rip),%eax        # 0x2052492
   c:	85 c0                	test   %eax,%eax
   e:	74 02                	je     0x12
  10:	5b                   	pop    %rbx
  11:	c3                   	ret
  12:	e8                   	.byte 0xe8
  13:	ab                   	stos   %eax,(%rdi)
  14:	a9                   	.byte 0xa9
  15:	86                   	.byte 0x86
# 123.67 [+0.01] [ 1141.191705] [    C0] RSP: 0018:ffa0000000127db0 EFLAGS: 00000282
# 123.67 [+0.00] [ 1141.191706] [    C0] RAX: 00000000001121c3 RBX: ff110000352270c8 RCX: ffffffffb66feb98
# 123.68 [+0.00] [ 1141.191707] [    C0] RDX: ff11000001b44540 RSI: ffffffffb6fb6b61 RDI: 0000000000000001
# 123.68 [+0.00] [ 1141.191707] [    C0] RBP: ff1100000195a470 R08: 0000000000000000 R09: 0000000000000001
# 123.69 [+0.01] [ 1141.191708] [    C0] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
# 123.69 [+0.00] [ 1141.191709] [    C0] R13: ffffffffb7601820 R14: ffe21c0000368b4b R15: ffe21c000032b48e
# 123.70 [+0.00] [ 1141.191713] [    C0]  ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202)
# 123.70 [+0.00] [ 1141.191717] [    C0]  smpboot_thread_fn (kernel/smpboot.c:160)
# 123.70 [+0.00] [ 1141.191721] [    C0]  ? sort_range (kernel/smpboot.c:103)
# 123.70 [+0.00] [ 1141.191723] [    C0]  kthread (kernel/kthread.c:463)
# 123.71 [+0.00] [ 1141.191726] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 123.71 [+0.00] [ 1141.191727] [    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
# 123.71 [+0.00] [ 1141.191730] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 123.72 [+0.00] [ 1141.191732] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 123.72 [+0.00] [ 1141.191734] [    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
# 123.72 [+0.00] [ 1141.191738] [    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
# 123.73 [+0.00] [ 1141.191742] [    C0]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665)
# 123.73 [+0.00] [ 1141.191744] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 123.73 [+0.00] [ 1141.191746] [    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:256)
| # 123.78 [+0.01] [ 1168.415186] [    C0] hardirqs last disabled at (2728969): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1056)
| # 123.78 [+0.01] [ 1168.415187] [    C0] softirqs last  enabled at (2395276): handle_softirqs (kernel/softirq.c:469 (discriminator 2) kernel/softirq.c:650 (discriminator 2))
| # 123.79 [+0.01] [ 1168.415190] [    C0] softirqs last disabled at (2395279): irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
| # 123.80 [+0.01] [ 1168.415197] [    C0] Tainted: [L]=SOFTLOCKUP
# 123.80 [+0.00] [ 1168.415198] [    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 123.81 [+0.00] [ 1168.415199] [    C0] Stopper: 0x0 <- 0x0
# 123.81 [+0.00] [ 1168.415202] [    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
# 123.81 [+0.00] [ 1168.415204] [    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 31 73 de fd 48 89 df e8 99 c4 de fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 f0 01 d2 fd 65 8b 05 29 24 05 02 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 31 73 de fd       	call   0xfffffffffdde7344
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 99 c4 de fd       	call   0xfffffffffddec4b4
  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 f0 01 d2 fd       	call   0xfffffffffdd20224
  34:	65 8b 05 29 24 05 02 	mov    %gs:0x2052429(%rip),%eax        # 0x2052464
  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 f0 01 d2 fd       	call   0xfffffffffdd201fa
   a:	65 8b 05 29 24 05 02 	mov    %gs:0x2052429(%rip),%eax        # 0x205243a
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
# 123.83 [+0.01] [ 1168.415206] [    C0] RSP: 0018:ffa0000000007960 EFLAGS: 00000246
# 123.83 [+0.00] [ 1168.415207] [    C0] RAX: 0000000000000082 RBX: ff11000001f88540 RCX: ffffffffb66fec13
# 123.83 [+0.00] [ 1168.415208] [    C0] RDX: ff11000001b44540 RSI: ffffffffb6fb6b61 RDI: ffffffffb6a6b280
# 123.84 [+0.00] [ 1168.415209] [    C0] RBP: 0000000000000202 R08: 0000000000000000 R09: 0000000000000001
# 123.84 [+0.00] [ 1168.415210] [    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffa0000000007a00
# 123.85 [+0.00] [ 1168.415211] [    C0] R13: ff11000001f88588 R14: ff11000001f88578 R15: ffd40000002f4700
# 123.85 [+0.00] [ 1168.415214] [    C0] FS:  0000000000000000(0000) GS:ff1100007cacf000(0000) knlGS:0000000000000000
# 123.86 [+0.01] [ 1168.415218] [    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# 123.86 [+0.00] [ 1168.415219] [    C0] CR2: 000055a383483fe8 CR3: 000000000af83006 CR4: 0000000000771ef0
# 123.87 [+0.00] [ 1168.415220] [    C0] PKRU: 55555554
# 123.87 [+0.00] [ 1168.415220] [    C0] Call Trace:
# 123.87 [+0.00] [ 1168.415222] [    C0]  <IRQ>
# 123.87 [+0.00] [ 1168.415224] [    C0]  get_partial_node (mm/slub.c:3552)
# 123.88 [+0.00] [ 1168.415229] [    C0]  ___slab_alloc (mm/slub.c:3630 (discriminator 1) mm/slub.c:4631 (discriminator 1))
# 123.88 [+0.00] [ 1168.415231] [    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
# 123.88 [+0.00] [ 1168.415234] [    C0]  ? kmalloc_reserve (net/core/skbuff.c:616 (discriminator 107))
# 123.89 [+0.00] [ 1168.415239] [    C0]  ? kmalloc_reserve (net/core/skbuff.c:616 (discriminator 107))
# 123.89 [+0.00] [ 1168.415241] [    C0]  __slab_alloc.isra.0 (mm/slub.c:4779)
# 123.89 [+0.00] [ 1168.415243] [    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 6) kernel/locking/lockdep.c:4411 (discriminator 6))
# 123.90 [+0.00] [ 1168.415245] [    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
# 123.90 [+0.00] [ 1168.415247] [    C0]  kmem_cache_alloc_node_noprof (mm/slub.c:4855 mm/slub.c:5251 mm/slub.c:5315)
# 123.90 [+0.00] [ 1168.415249] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 123.91 [+0.00] [ 1168.415251] [    C0]  ? kmalloc_reserve (net/core/skbuff.c:616 (discriminator 107))
# 123.91 [+0.00] [ 1168.415254] [    C0]  ? kmalloc_reserve (net/core/skbuff.c:616 (discriminator 107))
# 123.91 [+0.00] [ 1168.415256] [    C0]  kmalloc_reserve (net/core/skbuff.c:616 (discriminator 107))
# 123.92 [+0.00] [ 1168.415259] [    C0]  __alloc_skb (net/core/skbuff.c:713)
# 123.92 [+0.00] [ 1168.415261] [    C0]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 1) net/core/skbuff.c:695 (discriminator 1))
# 123.92 [+0.00] [ 1168.415262] [    C0]  ? napi_skb_cache_get (net/core/skbuff.c:674)
# 123.92 [+0.00] [ 1168.415264] [    C0]  ? neigh_periodic_work (net/core/neighbour.c:1104)
# 123.93 [+0.00] [ 1168.415267] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 123.93 [+0.00] [ 1168.415268] [    C0]  ? do_raw_write_lock (./arch/x86/include/asm/atomic.h:107 (discriminator 5) ./include/linux/atomic/atomic-arch-fallback.h:2170 (discriminator 5) ./include/linux/atomic/atomic-instrumented.h:1302 (discriminator 5) ./include/asm-generic/qrwlock.h:98 (discriminator 5) kernel/locking/spinlock_debug.c:211 (discriminator 5))
# 123.93 [+0.00] [ 1168.415270] [    C0]  ? __neigh_notify (./include/linux/rcupdate.h:331 (discriminator 1) ./include/linux/rcupdate.h:867 (discriminator 1) net/core/neighbour.c:3571 (discriminator 1))
# 123.94 [+0.00] [ 1168.415272] [    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
# 123.94 [+0.00] [ 1168.415275] [    C0]  __neigh_notify (./include/linux/skbuff.h:1396 ./include/net/netlink.h:1055 net/core/neighbour.c:3573)
# 123.94 [+0.00] [ 1168.415278] [    C0]  ? neigh_managed_work (net/core/neighbour.c:1600)
# 123.95 [+0.00] [ 1168.415279] [    C0]  ? neigh_periodic_work (net/core/neighbour.c:1104)
# 123.95 [+0.00] [ 1168.415281] [    C0]  neigh_timer_handler (net/core/neighbour.c:1184)
# 123.95 [+0.00] [ 1168.415284] [    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
# 123.95 [+0.00] [ 1168.415287] [    C0]  ? neigh_periodic_work (net/core/neighbour.c:1104)
# 123.96 [+0.00] [ 1168.415289] [    C0]  call_timer_fn (kernel/time/timer.c:1749)
# 123.96 [+0.00] [ 1168.415292] [    C0]  ? detach_if_pending (kernel/time/timer.c:1725)
# 123.96 [+0.00] [ 1168.415294] [    C0]  ? debug_object_active_state (lib/debugobjects.c:862)
# 123.97 [+0.00] [ 1168.415299] [    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
# 123.97 [+0.00] [ 1168.415302] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 123.97 [+0.00] [ 1168.415305] [    C0]  __run_timers (kernel/time/timer.c:1800 kernel/time/timer.c:2373)
# 123.98 [+0.00] [ 1168.415307] [    C0]  ? neigh_periodic_work (net/core/neighbour.c:1104)
# 123.98 [+0.00] [ 1168.415310] [    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
# 123.98 [+0.00] [ 1168.415312] [    C0]  ? __bpf_trace_itimer_expire (kernel/time/timer.c:2344)
# 123.99 [+0.00] [ 1168.415315] [    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
# 123.99 [+0.00] [ 1168.415320] [    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:114)
# 123.99 [+0.00] [ 1168.415323] [    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
# 124.00 [+0.00] [ 1168.415326] [    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2394 kernel/time/timer.c:2402)
# 124.00 [+0.00] [ 1168.415329] [    C0]  ? __run_timers (kernel/time/timer.c:2401)
# 124.00 [+0.00] [ 1168.415332] [    C0]  ? handle_softirqs (kernel/softirq.c:608)
# 124.00 [+0.00] [ 1168.415333] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 124.01 [+0.00] [ 1168.415335] [    C0]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
# 124.01 [+0.00] [ 1168.415339] [    C0]  ? _local_bh_enable (kernel/softirq.c:580)
# 124.01 [+0.00] [ 1168.415341] [    C0]  ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
# 124.02 [+0.00] [ 1168.415345] [    C0]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
# 124.02 [+0.00] [ 1168.415346] [    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
# 124.02 [+0.00] [ 1168.415349] [    C0]  </IRQ>
# 124.02 [+0.00] [ 1168.415349] [    C0]  <TASK>
# 124.03 [+0.00] [ 1168.415351] [    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 124.03 [+0.00] [ 1168.415353] [    C0] RIP: 0010:_raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202)
# 124.03 [+0.00] [ 1168.415354] [    C0] Code: 0f 1f 44 00 00 53 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 85 73 de fd 48 89 df e8 ed c4 de fd e8 d8 3b 04 fe fb bf 01 00 00 00 <e8> 4d 02 d2 fd 65 8b 05 86 24 05 02 85 c0 74 02 5b c3 e8 ab a9 86
All code
========
   0:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   5:	53                   	push   %rbx
   6:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
   b:	48 89 fb             	mov    %rdi,%rbx
   e:	48 83 c7 18          	add    $0x18,%rdi
  12:	e8 85 73 de fd       	call   0xfffffffffdde739c
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 ed c4 de fd       	call   0xfffffffffddec50c
  1f:	e8 d8 3b 04 fe       	call   0xfffffffffe043bfc
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 4d 02 d2 fd       	call   0xfffffffffdd2027c		<-- trapping instruction
  2f:	65 8b 05 86 24 05 02 	mov    %gs:0x2052486(%rip),%eax        # 0x20524bc
  36:	85 c0                	test   %eax,%eax
  38:	74 02                	je     0x3c
  3a:	5b                   	pop    %rbx
  3b:	c3                   	ret
  3c:	e8                   	.byte 0xe8
  3d:	ab                   	stos   %eax,(%rdi)
  3e:	a9                   	.byte 0xa9
  3f:	86                   	.byte 0x86

Code starting with the faulting instruction
===========================================
   0:	e8 4d 02 d2 fd       	call   0xfffffffffdd20252
   5:	65 8b 05 86 24 05 02 	mov    %gs:0x2052486(%rip),%eax        # 0x2052492
   c:	85 c0                	test   %eax,%eax
   e:	74 02                	je     0x12
  10:	5b                   	pop    %rbx
  11:	c3                   	ret
  12:	e8                   	.byte 0xe8
  13:	ab                   	stos   %eax,(%rdi)
  14:	a9                   	.byte 0xa9
  15:	86                   	.byte 0x86
# 124.04 [+0.01] [ 1168.415355] [    C0] RSP: 0018:ffa0000000127db0 EFLAGS: 00000282
# 124.05 [+0.00] [ 1168.415356] [    C0] RAX: 00000000001121c3 RBX: ff110000352270c8 RCX: ffffffffb66feb98
# 124.05 [+0.00] [ 1168.415357] [    C0] RDX: ff11000001b44540 RSI: ffffffffb6fb6b61 RDI: 0000000000000001
# 124.06 [+0.00] [ 1168.415358] [    C0] RBP: ff1100000195a470 R08: 0000000000000000 R09: 0000000000000001
# 124.06 [+0.00] [ 1168.415359] [    C0] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
# 124.07 [+0.00] [ 1168.415359] [    C0] R13: ffffffffb7601820 R14: ffe21c0000368b4b R15: ffe21c000032b48e
# 124.07 [+0.00] [ 1168.415362] [    C0]  ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202)
# 124.07 [+0.00] [ 1168.415366] [    C0]  smpboot_thread_fn (kernel/smpboot.c:160)
# 124.08 [+0.00] [ 1168.415369] [    C0]  ? sort_range (kernel/smpboot.c:103)
# 124.08 [+0.00] [ 1168.415371] [    C0]  kthread (kernel/kthread.c:463)
# 124.08 [+0.00] [ 1168.415373] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 124.09 [+0.00] [ 1168.415374] [    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
# 124.09 [+0.00] [ 1168.415377] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 124.09 [+0.00] [ 1168.415379] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 124.10 [+0.00] [ 1168.415381] [    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
# 124.10 [+0.00] [ 1168.415384] [    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
# 124.10 [+0.00] [ 1168.415387] [    C0]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665)
# 124.11 [+0.00] [ 1168.415389] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 124.11 [+0.00] [ 1168.415391] [    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:256)
| [ 1100.415159][    C0] hardirqs last  enabled at (92474): irqentry_exit (kernel/entry/common.c:220)
| [ 1100.415167][    C0] hardirqs last disabled at (92475): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1056)
| [ 1100.415168][    C0] softirqs last  enabled at (91042): handle_softirqs (kernel/softirq.c:469 (discriminator 2) kernel/softirq.c:650 (discriminator 2))
| [ 1100.415173][    C0] softirqs last disabled at (91047): irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
[ 1100.415180][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1100.415181][    C0] Stopper: 0x0 <- 0x0
[ 1100.415185][    C0] RIP: 0010:handle_softirqs (kernel/softirq.c:608)
[ 1100.415189][    C0] Code: 08 45 89 ee 48 89 6c 24 10 48 c7 c7 60 a1 8a b6 e8 86 91 35 02 31 c0 65 66 89 05 d4 16 3d 04 e8 07 2e 3c 00 fb bb ff ff ff ff <49> c7 c4 c0 c0 20 b7 41 0f bc de 83 c3 01 0f 85 9f 00 00 00 e9 a3
All code
========
   0:	08 45 89             	or     %al,-0x77(%rbp)
   3:	ee                   	out    %al,(%dx)
   4:	48 89 6c 24 10       	mov    %rbp,0x10(%rsp)
   9:	48 c7 c7 60 a1 8a b6 	mov    $0xffffffffb68aa160,%rdi
  10:	e8 86 91 35 02       	call   0x235919b
  15:	31 c0                	xor    %eax,%eax
  17:	65 66 89 05 d4 16 3d 	mov    %ax,%gs:0x43d16d4(%rip)        # 0x43d16f3
  1e:	04 
  1f:	e8 07 2e 3c 00       	call   0x3c2e2b
  24:	fb                   	sti
  25:	bb ff ff ff ff       	mov    $0xffffffff,%ebx
  2a:*	49 c7 c4 c0 c0 20 b7 	mov    $0xffffffffb720c0c0,%r12		<-- trapping instruction
  31:	41 0f bc de          	bsf    %r14d,%ebx
  35:	83 c3 01             	add    $0x1,%ebx
  38:	0f 85 9f 00 00 00    	jne    0xdd
  3e:	e9                   	.byte 0xe9
  3f:	a3                   	.byte 0xa3

Code starting with the faulting instruction
===========================================
   0:	49 c7 c4 c0 c0 20 b7 	mov    $0xffffffffb720c0c0,%r12
   7:	41 0f bc de          	bsf    %r14d,%ebx
   b:	83 c3 01             	add    $0x1,%ebx
   e:	0f 85 9f 00 00 00    	jne    0xb3
  14:	e9                   	.byte 0xe9
  15:	a3                   	.byte 0xa3
[ 1100.415190][    C0] RSP: 0018:ffa0000000007f40 EFLAGS: 00000282
[ 1100.415192][    C0] RAX: 00000000000163a8 RBX: 00000000ffffffff RCX: ffffffffb437f969
[ 1100.415194][    C0] RDX: ff11000001b44540 RSI: ffffffffb6fb6b61 RDI: ffffffffb6a6b280
[ 1100.415195][    C0] RBP: fffffbfff6e42250 R08: 0000000000000000 R09: 0000000000000001
[ 1100.415195][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[ 1100.415196][    C0] R13: 0000000000000282 R14: 0000000000000282 R15: 1ff4000000000fef
[ 1100.415199][    C0] FS:  0000000000000000(0000) GS:ff1100007cacf000(0000) knlGS:0000000000000000
[ 1100.415203][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1100.415204][    C0] CR2: 000055a383483fe8 CR3: 000000000af83006 CR4: 0000000000771ef0
[ 1100.415205][    C0] PKRU: 55555554
[ 1100.415205][    C0] Call Trace:
[ 1100.415207][    C0]  <IRQ>
[ 1100.415211][    C0]  ? _local_bh_enable (kernel/softirq.c:580)
[ 1100.415213][    C0]  ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 1100.415219][    C0]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
[ 1100.415220][    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
[ 1100.415223][    C0]  </IRQ>
[ 1100.415224][    C0]  <TASK>
[ 1100.415225][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[ 1100.415228][    C0] RIP: 0010:smpboot_thread_fn (kernel/smpboot.c:108 (discriminator 6))
[ 1100.415231][    C0] Code: 8b 6d 08 49 bc 00 00 00 00 00 fc ff df 49 c1 ef 03 48 8d 83 18 15 00 00 4d 01 e7 49 89 c6 48 89 44 24 18 49 c1 ee 03 4d 01 e6 <48> 8d 05 00 00 00 00 41 80 3e 00 0f 85 da 06 00 00 48 89 83 18 15
All code
========
   0:	8b 6d 08             	mov    0x8(%rbp),%ebp
   3:	49 bc 00 00 00 00 00 	movabs $0xdffffc0000000000,%r12
   a:	fc ff df 
   d:	49 c1 ef 03          	shr    $0x3,%r15
  11:	48 8d 83 18 15 00 00 	lea    0x1518(%rbx),%rax
  18:	4d 01 e7             	add    %r12,%r15
  1b:	49 89 c6             	mov    %rax,%r14
  1e:	48 89 44 24 18       	mov    %rax,0x18(%rsp)
  23:	49 c1 ee 03          	shr    $0x3,%r14
  27:	4d 01 e6             	add    %r12,%r14
  2a:*	48 8d 05 00 00 00 00 	lea    0x0(%rip),%rax        # 0x31		<-- trapping instruction
  31:	41 80 3e 00          	cmpb   $0x0,(%r14)
  35:	0f 85 da 06 00 00    	jne    0x715
  3b:	48                   	rex.W
  3c:	89                   	.byte 0x89
  3d:	83 18 15             	sbbl   $0x15,(%rax)

Code starting with the faulting instruction
===========================================
   0:	48 8d 05 00 00 00 00 	lea    0x0(%rip),%rax        # 0x7
   7:	41 80 3e 00          	cmpb   $0x0,(%r14)
   b:	0f 85 da 06 00 00    	jne    0x6eb
  11:	48                   	rex.W
  12:	89                   	.byte 0x89
  13:	83 18 15             	sbbl   $0x15,(%rax)
[ 1100.415232][    C0] RSP: 0018:ffa0000000127dc0 EFLAGS: 00000286
[ 1100.415233][    C0] RAX: ff11000001b44540 RBX: ff11000001b44540 RCX: 0000000000000000
[ 1100.415233][    C0] RDX: 0000000004208040 RSI: 1ffffffff724a528 RDI: ff11000001b4456c
[ 1100.415234][    C0] RBP: ff1100000195a470 R08: ffffffffb441fafe R09: fffffbfff6fc68aa
[ 1100.415235][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 1100.415236][    C0] R13: ffffffffb7601820 R14: ffe21c0000368b4b R15: ffe21c000032b48e
[ 1100.415238][    C0]  ? trace_sched_exit_tp (./arch/x86/include/asm/bitops.h:222 ./arch/x86/include/asm/bitops.h:233 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/sched.h:886)
[ 1100.415246][    C0]  ? sort_range (kernel/smpboot.c:103)
[ 1100.415247][    C0]  kthread (kernel/kthread.c:463)
[ 1100.415250][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[ 1100.415252][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[ 1100.415255][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[ 1100.415257][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[ 1100.415259][    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
[ 1100.415263][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1100.415267][    C0]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665)
[ 1100.415269][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[ 1100.415271][    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:256)
| [ 1141.190565][    C0] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1141.190817][    C0] rcu: 0-....: (4165 ticks this GP) idle=e264/1/0x4000000000000000 softirq=637994/637994 fqs=6249
| [ 1141.191345][    C0] rcu: (t=26000 jiffies g=629149 q=579 ncpus=4)
| [ 1141.191550][    C0] Tainted: [L]=SOFTLOCKUP
[ 1141.191551][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1141.191552][    C0] Stopper: 0x0 <- 0x0
[ 1141.191557][    C0] RIP: 0010:__unwind_start (arch/x86/kernel/unwind_orc.c:781)
[ 1141.191564][    C0] Code: 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 0c 03 00 00 41 c7 07 00 00 00 00 48 83 c4 18 <5b> 5d 41 5c 41 5d 41 5e 41 5f c3 4d 85 e4 0f 85 a6 fd ff ff 48 8d
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	00 fc                	add    %bh,%ah
   6:	ff                   	lcall  (bad)
   7:	df 4c 89 fa          	fisttps -0x6(%rcx,%rcx,4)
   b:	48 c1 ea 03          	shr    $0x3,%rdx
   f:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax
  13:	84 c0                	test   %al,%al
  15:	74 08                	je     0x1f
  17:	3c 03                	cmp    $0x3,%al
  19:	0f 8e 0c 03 00 00    	jle    0x32b
  1f:	41 c7 07 00 00 00 00 	movl   $0x0,(%r15)
  26:	48 83 c4 18          	add    $0x18,%rsp
  2a:*	5b                   	pop    %rbx		<-- trapping instruction
  2b:	5d                   	pop    %rbp
  2c:	41 5c                	pop    %r12
  2e:	41 5d                	pop    %r13
  30:	41 5e                	pop    %r14
  32:	41 5f                	pop    %r15
  34:	c3                   	ret
  35:	4d 85 e4             	test   %r12,%r12
  38:	0f 85 a6 fd ff ff    	jne    0xfffffffffffffde4
  3e:	48                   	rex.W
  3f:	8d                   	.byte 0x8d

Code starting with the faulting instruction
===========================================
   0:	5b                   	pop    %rbx
   1:	5d                   	pop    %rbp
   2:	41 5c                	pop    %r12
   4:	41 5d                	pop    %r13
   6:	41 5e                	pop    %r14
   8:	41 5f                	pop    %r15
   a:	c3                   	ret
   b:	4d 85 e4             	test   %r12,%r12
   e:	0f 85 a6 fd ff ff    	jne    0xfffffffffffffdba
  14:	48                   	rex.W
  15:	8d                   	.byte 0x8d
[ 1141.191565][    C0] RSP: 0018:ffa00000000079b8 EFLAGS: 00000286
[ 1141.191568][    C0] RAX: 1ff4000000000f47 RBX: ffa0000000007a90 RCX: ffa0000000007a98
[ 1141.191569][    C0] RDX: ffa0000000008000 RSI: ffffffffb6fb6b61 RDI: ff11000001b44944
[ 1141.191570][    C0] RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000001
[ 1141.191571][    C0] R10: 0000000000000000 R11: 0000000000000004 R12: fff3fc0000000f40
[ 1141.191572][    C0] R13: fff3fc0000000f3f R14: ffa0000000007a38 R15: ffa00000000079f0
[ 1141.191574][    C0] FS:  0000000000000000(0000) GS:ff1100007cacf000(0000) knlGS:0000000000000000
[ 1141.191578][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1141.191579][    C0] CR2: 000055a383483fe8 CR3: 000000000af83006 CR4: 0000000000771ef0
[ 1141.191580][    C0] PKRU: 55555554
[ 1141.191580][    C0] Call Trace:
[ 1141.191581][    C0]  <IRQ>
[ 1141.191583][    C0]  ? write_profile (kernel/stacktrace.c:83)
[ 1141.191588][    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:24 (discriminator 3))
[ 1141.191598][    C0]  ? stack_trace_save (kernel/stacktrace.c:123)
[ 1141.191603][    C0]  stack_trace_save (kernel/stacktrace.c:123)
[ 1141.191605][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:114)
[ 1141.191607][    C0]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 4) kernel/locking/lockdep.c:3821 (discriminator 4) kernel/locking/lockdep.c:3876 (discriminator 4))
[ 1141.191611][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[ 1141.191614][    C0]  kasan_save_stack (mm/kasan/common.c:58)
[ 1141.191636][    C0]  kasan_save_track (mm/kasan/common.c:70 (discriminator 1) mm/kasan/common.c:79 (discriminator 1))
[ 1141.191638][    C0]  kasan_save_free_info (mm/kasan/generic.c:587 (discriminator 1))
[ 1141.191640][    C0]  __kasan_slab_free (mm/kasan/common.c:287)
[ 1141.191643][    C0]  kmem_cache_free (mm/slub.c:6674 (discriminator 3) mm/slub.c:6785 (discriminator 3))
[ 1141.191646][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[ 1141.191648][    C0]  ? rcu_do_batch (./include/linux/rcupdate.h:341 (discriminator 1) kernel/rcu/tree.c:2607 (discriminator 1))
[ 1141.191650][    C0]  ? rcu_do_batch (./include/linux/rcupdate.h:331 (discriminator 1) kernel/rcu/tree.c:2599 (discriminator 1))
[ 1141.191651][    C0]  ? rcu_do_batch (kernel/rcu/tree.c:2605)
[ 1141.191654][    C0]  ? rcu_do_batch (./include/linux/rcupdate.h:341 (discriminator 1) kernel/rcu/tree.c:2607 (discriminator 1))
[ 1141.191656][    C0]  rcu_do_batch (./include/linux/rcupdate.h:341 (discriminator 1) kernel/rcu/tree.c:2607 (discriminator 1))
[ 1141.191661][    C0]  ? trace_rcu_batch_end (kernel/rcu/tree.c:2529)
[ 1141.191664][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33))
[ 1141.191667][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 6) kernel/locking/lockdep.c:4411 (discriminator 6))
[ 1141.191669][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[ 1141.191672][    C0]  ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 ./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[ 1141.191674][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 (discriminator 3) kernel/locking/spinlock.c:194 (discriminator 3))
[ 1141.191677][    C0]  rcu_core (kernel/rcu/tree.c:2859)
[ 1141.191680][    C0]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
[ 1141.191686][    C0]  ? _local_bh_enable (kernel/softirq.c:580)
[ 1141.191688][    C0]  ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 1141.191692][    C0]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
[ 1141.191694][    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
[ 1141.191696][    C0]  </IRQ>
[ 1141.191697][    C0]  <TASK>
[ 1141.191697][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:114)
[ 1141.191700][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[ 1141.191702][    C0] RIP: 0010:_raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202)
[ 1141.191704][    C0] Code: 0f 1f 44 00 00 53 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 85 73 de fd 48 89 df e8 ed c4 de fd e8 d8 3b 04 fe fb bf 01 00 00 00 <e8> 4d 02 d2 fd 65 8b 05 86 24 05 02 85 c0 74 02 5b c3 e8 ab a9 86
All code
========
   0:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   5:	53                   	push   %rbx
   6:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
   b:	48 89 fb             	mov    %rdi,%rbx
   e:	48 83 c7 18          	add    $0x18,%rdi
  12:	e8 85 73 de fd       	call   0xfffffffffdde739c
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 ed c4 de fd       	call   0xfffffffffddec50c
  1f:	e8 d8 3b 04 fe       	call   0xfffffffffe043bfc
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 4d 02 d2 fd       	call   0xfffffffffdd2027c		<-- trapping instruction
  2f:	65 8b 05 86 24 05 02 	mov    %gs:0x2052486(%rip),%eax        # 0x20524bc
  36:	85 c0                	test   %eax,%eax
  38:	74 02                	je     0x3c
  3a:	5b                   	pop    %rbx
  3b:	c3                   	ret
  3c:	e8                   	.byte 0xe8
  3d:	ab                   	stos   %eax,(%rdi)
  3e:	a9                   	.byte 0xa9
  3f:	86                   	.byte 0x86

Code starting with the faulting instruction
===========================================
   0:	e8 4d 02 d2 fd       	call   0xfffffffffdd20252
   5:	65 8b 05 86 24 05 02 	mov    %gs:0x2052486(%rip),%eax        # 0x2052492
   c:	85 c0                	test   %eax,%eax
   e:	74 02                	je     0x12
  10:	5b                   	pop    %rbx
  11:	c3                   	ret
  12:	e8                   	.byte 0xe8
  13:	ab                   	stos   %eax,(%rdi)
  14:	a9                   	.byte 0xa9
  15:	86                   	.byte 0x86
[ 1141.191705][    C0] RSP: 0018:ffa0000000127db0 EFLAGS: 00000282
[ 1141.191706][    C0] RAX: 00000000001121c3 RBX: ff110000352270c8 RCX: ffffffffb66feb98
[ 1141.191707][    C0] RDX: ff11000001b44540 RSI: ffffffffb6fb6b61 RDI: 0000000000000001
[ 1141.191707][    C0] RBP: ff1100000195a470 R08: 0000000000000000 R09: 0000000000000001
[ 1141.191708][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 1141.191709][    C0] R13: ffffffffb7601820 R14: ffe21c0000368b4b R15: ffe21c000032b48e
[ 1141.191713][    C0]  ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202)
[ 1141.191717][    C0]  smpboot_thread_fn (kernel/smpboot.c:160)
[ 1141.191721][    C0]  ? sort_range (kernel/smpboot.c:103)
[ 1141.191723][    C0]  kthread (kernel/kthread.c:463)
[ 1141.191726][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[ 1141.191727][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[ 1141.191730][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[ 1141.191732][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[ 1141.191734][    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
[ 1141.191738][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1141.191742][    C0]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665)
[ 1141.191744][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[ 1141.191746][    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:256)
| [ 1168.415186][    C0] hardirqs last disabled at (2728969): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1056)
| [ 1168.415187][    C0] softirqs last  enabled at (2395276): handle_softirqs (kernel/softirq.c:469 (discriminator 2) kernel/softirq.c:650 (discriminator 2))
| [ 1168.415190][    C0] softirqs last disabled at (2395279): irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
| [ 1168.415197][    C0] Tainted: [L]=SOFTLOCKUP
[ 1168.415198][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1168.415199][    C0] Stopper: 0x0 <- 0x0
[ 1168.415202][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[ 1168.415204][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 31 73 de fd 48 89 df e8 99 c4 de fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 f0 01 d2 fd 65 8b 05 29 24 05 02 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 31 73 de fd       	call   0xfffffffffdde7344
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 99 c4 de fd       	call   0xfffffffffddec4b4
  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 f0 01 d2 fd       	call   0xfffffffffdd20224
  34:	65 8b 05 29 24 05 02 	mov    %gs:0x2052429(%rip),%eax        # 0x2052464
  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 f0 01 d2 fd       	call   0xfffffffffdd201fa
   a:	65 8b 05 29 24 05 02 	mov    %gs:0x2052429(%rip),%eax        # 0x205243a
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[ 1168.415206][    C0] RSP: 0018:ffa0000000007960 EFLAGS: 00000246
[ 1168.415207][    C0] RAX: 0000000000000082 RBX: ff11000001f88540 RCX: ffffffffb66fec13
[ 1168.415208][    C0] RDX: ff11000001b44540 RSI: ffffffffb6fb6b61 RDI: ffffffffb6a6b280
[ 1168.415209][    C0] RBP: 0000000000000202 R08: 0000000000000000 R09: 0000000000000001
[ 1168.415210][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffa0000000007a00
[ 1168.415211][    C0] R13: ff11000001f88588 R14: ff11000001f88578 R15: ffd40000002f4700
[ 1168.415214][    C0] FS:  0000000000000000(0000) GS:ff1100007cacf000(0000) knlGS:0000000000000000
[ 1168.415218][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1168.415219][    C0] CR2: 000055a383483fe8 CR3: 000000000af83006 CR4: 0000000000771ef0
[ 1168.415220][    C0] PKRU: 55555554
[ 1168.415220][    C0] Call Trace:
[ 1168.415222][    C0]  <IRQ>
[ 1168.415224][    C0]  get_partial_node (mm/slub.c:3552)
[ 1168.415229][    C0]  ___slab_alloc (mm/slub.c:3630 (discriminator 1) mm/slub.c:4631 (discriminator 1))
[ 1168.415231][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[ 1168.415234][    C0]  ? kmalloc_reserve (net/core/skbuff.c:616 (discriminator 107))
[ 1168.415239][    C0]  ? kmalloc_reserve (net/core/skbuff.c:616 (discriminator 107))
[ 1168.415241][    C0]  __slab_alloc.isra.0 (mm/slub.c:4779)
[ 1168.415243][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 6) kernel/locking/lockdep.c:4411 (discriminator 6))
[ 1168.415245][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[ 1168.415247][    C0]  kmem_cache_alloc_node_noprof (mm/slub.c:4855 mm/slub.c:5251 mm/slub.c:5315)
[ 1168.415249][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[ 1168.415251][    C0]  ? kmalloc_reserve (net/core/skbuff.c:616 (discriminator 107))
[ 1168.415254][    C0]  ? kmalloc_reserve (net/core/skbuff.c:616 (discriminator 107))
[ 1168.415256][    C0]  kmalloc_reserve (net/core/skbuff.c:616 (discriminator 107))
[ 1168.415259][    C0]  __alloc_skb (net/core/skbuff.c:713)
[ 1168.415261][    C0]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 1) net/core/skbuff.c:695 (discriminator 1))
[ 1168.415262][    C0]  ? napi_skb_cache_get (net/core/skbuff.c:674)
[ 1168.415264][    C0]  ? neigh_periodic_work (net/core/neighbour.c:1104)
[ 1168.415267][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[ 1168.415268][    C0]  ? do_raw_write_lock (./arch/x86/include/asm/atomic.h:107 (discriminator 5) ./include/linux/atomic/atomic-arch-fallback.h:2170 (discriminator 5) ./include/linux/atomic/atomic-instrumented.h:1302 (discriminator 5) ./include/asm-generic/qrwlock.h:98 (discriminator 5) kernel/locking/spinlock_debug.c:211 (discriminator 5))
[ 1168.415270][    C0]  ? __neigh_notify (./include/linux/rcupdate.h:331 (discriminator 1) ./include/linux/rcupdate.h:867 (discriminator 1) net/core/neighbour.c:3571 (discriminator 1))
[ 1168.415272][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[ 1168.415275][    C0]  __neigh_notify (./include/linux/skbuff.h:1396 ./include/net/netlink.h:1055 net/core/neighbour.c:3573)
[ 1168.415278][    C0]  ? neigh_managed_work (net/core/neighbour.c:1600)
[ 1168.415279][    C0]  ? neigh_periodic_work (net/core/neighbour.c:1104)
[ 1168.415281][    C0]  neigh_timer_handler (net/core/neighbour.c:1184)
[ 1168.415284][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[ 1168.415287][    C0]  ? neigh_periodic_work (net/core/neighbour.c:1104)
[ 1168.415289][    C0]  call_timer_fn (kernel/time/timer.c:1749)
[ 1168.415292][    C0]  ? detach_if_pending (kernel/time/timer.c:1725)
[ 1168.415294][    C0]  ? debug_object_active_state (lib/debugobjects.c:862)
[ 1168.415299][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[ 1168.415302][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[ 1168.415305][    C0]  __run_timers (kernel/time/timer.c:1800 kernel/time/timer.c:2373)
[ 1168.415307][    C0]  ? neigh_periodic_work (net/core/neighbour.c:1104)
[ 1168.415310][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[ 1168.415312][    C0]  ? __bpf_trace_itimer_expire (kernel/time/timer.c:2344)
[ 1168.415315][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[ 1168.415320][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:114)
[ 1168.415323][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[ 1168.415326][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2394 kernel/time/timer.c:2402)
[ 1168.415329][    C0]  ? __run_timers (kernel/time/timer.c:2401)
[ 1168.415332][    C0]  ? handle_softirqs (kernel/softirq.c:608)
[ 1168.415333][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[ 1168.415335][    C0]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
[ 1168.415339][    C0]  ? _local_bh_enable (kernel/softirq.c:580)
[ 1168.415341][    C0]  ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 1168.415345][    C0]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
[ 1168.415346][    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
[ 1168.415349][    C0]  </IRQ>
[ 1168.415349][    C0]  <TASK>
[ 1168.415351][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[ 1168.415353][    C0] RIP: 0010:_raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202)
[ 1168.415354][    C0] Code: 0f 1f 44 00 00 53 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 85 73 de fd 48 89 df e8 ed c4 de fd e8 d8 3b 04 fe fb bf 01 00 00 00 <e8> 4d 02 d2 fd 65 8b 05 86 24 05 02 85 c0 74 02 5b c3 e8 ab a9 86
All code
========
   0:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   5:	53                   	push   %rbx
   6:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
   b:	48 89 fb             	mov    %rdi,%rbx
   e:	48 83 c7 18          	add    $0x18,%rdi
  12:	e8 85 73 de fd       	call   0xfffffffffdde739c
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 ed c4 de fd       	call   0xfffffffffddec50c
  1f:	e8 d8 3b 04 fe       	call   0xfffffffffe043bfc
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 4d 02 d2 fd       	call   0xfffffffffdd2027c		<-- trapping instruction
  2f:	65 8b 05 86 24 05 02 	mov    %gs:0x2052486(%rip),%eax        # 0x20524bc
  36:	85 c0                	test   %eax,%eax
  38:	74 02                	je     0x3c
  3a:	5b                   	pop    %rbx
  3b:	c3                   	ret
  3c:	e8                   	.byte 0xe8
  3d:	ab                   	stos   %eax,(%rdi)
  3e:	a9                   	.byte 0xa9
  3f:	86                   	.byte 0x86

Code starting with the faulting instruction
===========================================
   0:	e8 4d 02 d2 fd       	call   0xfffffffffdd20252
   5:	65 8b 05 86 24 05 02 	mov    %gs:0x2052486(%rip),%eax        # 0x2052492
   c:	85 c0                	test   %eax,%eax
   e:	74 02                	je     0x12
  10:	5b                   	pop    %rbx
  11:	c3                   	ret
  12:	e8                   	.byte 0xe8
  13:	ab                   	stos   %eax,(%rdi)
  14:	a9                   	.byte 0xa9
  15:	86                   	.byte 0x86
[ 1168.415355][    C0] RSP: 0018:ffa0000000127db0 EFLAGS: 00000282
[ 1168.415356][    C0] RAX: 00000000001121c3 RBX: ff110000352270c8 RCX: ffffffffb66feb98
[ 1168.415357][    C0] RDX: ff11000001b44540 RSI: ffffffffb6fb6b61 RDI: 0000000000000001
[ 1168.415358][    C0] RBP: ff1100000195a470 R08: 0000000000000000 R09: 0000000000000001
[ 1168.415359][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 1168.415359][    C0] R13: ffffffffb7601820 R14: ffe21c0000368b4b R15: ffe21c000032b48e
[ 1168.415362][    C0]  ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202)
[ 1168.415366][    C0]  smpboot_thread_fn (kernel/smpboot.c:160)
[ 1168.415369][    C0]  ? sort_range (kernel/smpboot.c:103)
[ 1168.415371][    C0]  kthread (kernel/kthread.c:463)
[ 1168.415373][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[ 1168.415374][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[ 1168.415377][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[ 1168.415379][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[ 1168.415381][    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
[ 1168.415384][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1168.415387][    C0]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665)
[ 1168.415389][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)


Finger prints:
irqentry_exit:sysvec_apic_timer_interrupt:handle_softirqs:irq_exit_rcu:handle_softirqs
sysvec_apic_timer_interrupt:handle_softirqs:irq_exit_rcu:_raw_spin_unlock_irqrestore:get_partial_node
__unwind_start:arch_stack_walk:stack_trace_save:kasan_save_stack:kasan_save_track