======================================
| 0
| xx__-> [ 1492.361083] ------------[ cut here ]------------
| [ 1492.361247] WARNING: CPU: 3 PID: 0 at net/ipv4/af_inet.c:153 inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
| [ 1492.361347] Modules linked in: l2tp_ip6 l2tp_eth l2tp_ip l2tp_netlink l2tp_core sch_etf sch_fq xfrm_interface sha1_generic xfrm_user pktgen sctp_diag sctp xt_HL amt nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 act_gact cls_flower sch_ingress ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
[ 1492.361868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1492.361938] RIP: 0010:inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 1492.361986] Code: e9 e1 62 4c ff 4c 89 e6 5b 48 c7 c7 28 6c 37 a8 41 5c e9 cf 62 4c ff 90 0f 0b 90 eb 81 90 0f 0b 90 eb 93 90 0f 0b 90 eb 81 90 <0f> 0b 90 e9 60 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90
All code
========
   0:	e9 e1 62 4c ff       	jmp    0xffffffffff4c62e6
   5:	4c 89 e6             	mov    %r12,%rsi
   8:	5b                   	pop    %rbx
   9:	48 c7 c7 28 6c 37 a8 	mov    $0xffffffffa8376c28,%rdi
  10:	41 5c                	pop    %r12
  12:	e9 cf 62 4c ff       	jmp    0xffffffffff4c62e6
  17:	90                   	nop
  18:	0f 0b                	ud2
  1a:	90                   	nop
  1b:	eb 81                	jmp    0xffffffffffffff9e
  1d:	90                   	nop
  1e:	0f 0b                	ud2
  20:	90                   	nop
  21:	eb 93                	jmp    0xffffffffffffffb6
  23:	90                   	nop
  24:	0f 0b                	ud2
  26:	90                   	nop
  27:	eb 81                	jmp    0xffffffffffffffaa
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 60 ff ff ff       	jmp    0xffffffffffffff92
  32:	0f 1f 40 00          	nopl   0x0(%rax)
  36:	90                   	nop
  37:	90                   	nop
  38:	90                   	nop
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 60 ff ff ff       	jmp    0xffffffffffffff68
   8:	0f 1f 40 00          	nopl   0x0(%rax)
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1492.362180] RSP: 0018:ffffa8464013cee0 EFLAGS: 00010206
[ 1492.362240] RAX: 0000000000000009 RBX: ffff9254c3c47110 RCX: 0000000000000001
[ 1492.362309] RDX: 0000000000000ff7 RSI: 0000000000000ff7 RDI: ffff9254c3c47080
[ 1492.362395] RBP: ffff9254c6c091c0 R08: ffff9254c3c47358 R09: ffffffffa6fea700
[ 1492.362480] R10: ffff9254ca173a00 R11: 0000000000000001 R12: ffff9254c3c47080
[ 1492.362550] R13: 0000000000000005 R14: ffff9254fedab438 R15: 0000000000000000
[ 1492.362643] FS:  0000000000000000(0000) GS:ffff9255558dc000(0000) knlGS:0000000000000000
[ 1492.362735] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1492.362802] CR2: 00007f4959a48000 CR3: 000000001ba48001 CR4: 0000000000772ef0
[ 1492.362871] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1492.362955] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1492.363016] PKRU: 55555554
[ 1492.363045] Call Trace:
[ 1492.363078]  <IRQ>
[ 1492.363117] ? __warn (kernel/panic.c:748) 
[ 1492.363166] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 1492.363225] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 1492.363294] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 1492.363340] ? handle_bug (arch/x86/kernel/traps.c:337) 
[ 1492.363405] ? exc_invalid_op (arch/x86/kernel/traps.c:391 (discriminator 1)) 
[ 1492.363460] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 1492.363499] ? rcu_core (kernel/rcu/tree.c:2556 kernel/rcu/tree.c:2824) 
[ 1492.363560] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 1492.363628] __sk_destruct (net/core/sock.c:2293) 
[ 1492.363673] rcu_core (kernel/rcu/tree.c:2568 kernel/rcu/tree.c:2824) 
[ 1492.363720] ? rcu_core (kernel/rcu/tree.c:2494 kernel/rcu/tree.c:2824) 
[ 1492.363765] handle_softirqs (kernel/softirq.c:561) 
[ 1492.363828] irq_exit_rcu (kernel/softirq.c:596 kernel/softirq.c:435 kernel/softirq.c:662 kernel/softirq.c:678) 
[ 1492.363864] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 1492.363912]  </IRQ>
[ 1492.363939]  <TASK>
[ 1492.363974] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1492.364033] RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/kernel/process.c:749) 
[ 1492.364075] Code: 4c 01 c7 4c 29 c2 e9 6e ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 23 42 19 00 fb f4 <fa> c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
All code
========
   0:	4c 01 c7             	add    %r8,%rdi
   3:	4c 29 c2             	sub    %r8,%rdx
   6:	e9 6e ff ff ff       	jmp    0xffffffffffffff79
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 23 42 19 00 	verw   0x194223(%rip)        # 0x19424b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	fa                   	cli		<-- trapping instruction
  2b:	c3                   	ret
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	cc                   	int3
  30:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  37:	00 00 00 00 
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	fa                   	cli
   1:	c3                   	ret
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	cc                   	int3
   6:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   d:	00 00 00 00 
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1492.364266] RSP: 0018:ffffa846400afee8 EFLAGS: 00000256
[ 1492.364327] RAX: ffff9255558dc000 RBX: ffff9254c1310000 RCX: 0000000000000000
[ 1492.364412] RDX: 0000000000000003 RSI: ffffffffa83952e6 RDI: 0000000004019c3c
[ 1492.364508] RBP: 0000000000000003 R08: 0000000004019c3c R09: 0000000000000001
[ 1492.364569] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
[ 1492.364646] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 1492.364747] default_idle_call (./include/linux/cpuidle.h:144 kernel/sched/idle.c:118) 
[ 1492.364794] do_idle (kernel/sched/idle.c:186 kernel/sched/idle.c:325) 
[ 1492.364830] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1492.364879] start_secondary (arch/x86/kernel/smpboot.c:315) 
[ 1492.364916] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1492.365084] ------------[ cut here ]------------
| [ 1492.365135] WARNING: CPU: 3 PID: 0 at net/ipv4/af_inet.c:156 inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
| [ 1492.365212] Modules linked in: l2tp_ip6 l2tp_eth l2tp_ip l2tp_netlink l2tp_core sch_etf sch_fq xfrm_interface sha1_generic xfrm_user pktgen sctp_diag sctp xt_HL amt nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 act_gact cls_flower sch_ingress ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router
| [ 1492.365695] Tainted: [W]=WARN
[ 1492.365737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1492.365810] RIP: 0010:inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 1492.365860] Code: 89 e2 5b 48 c7 c7 f0 6b 37 a8 41 5c e9 e1 62 4c ff 4c 89 e6 5b 48 c7 c7 28 6c 37 a8 41 5c e9 cf 62 4c ff 90 0f 0b 90 eb 81 90 <0f> 0b 90 eb 93 90 0f 0b 90 eb 81 90 0f 0b 90 e9 60 ff ff ff 0f 1f
All code
========
   0:	89 e2                	mov    %esp,%edx
   2:	5b                   	pop    %rbx
   3:	48 c7 c7 f0 6b 37 a8 	mov    $0xffffffffa8376bf0,%rdi
   a:	41 5c                	pop    %r12
   c:	e9 e1 62 4c ff       	jmp    0xffffffffff4c62f2
  11:	4c 89 e6             	mov    %r12,%rsi
  14:	5b                   	pop    %rbx
  15:	48 c7 c7 28 6c 37 a8 	mov    $0xffffffffa8376c28,%rdi
  1c:	41 5c                	pop    %r12
  1e:	e9 cf 62 4c ff       	jmp    0xffffffffff4c62f2
  23:	90                   	nop
  24:	0f 0b                	ud2
  26:	90                   	nop
  27:	eb 81                	jmp    0xffffffffffffffaa
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 93                	jmp    0xffffffffffffffc2
  2f:	90                   	nop
  30:	0f 0b                	ud2
  32:	90                   	nop
  33:	eb 81                	jmp    0xffffffffffffffb6
  35:	90                   	nop
  36:	0f 0b                	ud2
  38:	90                   	nop
  39:	e9 60 ff ff ff       	jmp    0xffffffffffffff9e
  3e:	0f                   	.byte 0xf
  3f:	1f                   	(bad)

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 93                	jmp    0xffffffffffffff98
   5:	90                   	nop
   6:	0f 0b                	ud2
   8:	90                   	nop
   9:	eb 81                	jmp    0xffffffffffffff8c
   b:	90                   	nop
   c:	0f 0b                	ud2
   e:	90                   	nop
   f:	e9 60 ff ff ff       	jmp    0xffffffffffffff74
  14:	0f                   	.byte 0xf
  15:	1f                   	(bad)
[ 1492.366039] RSP: 0018:ffffa8464013cee0 EFLAGS: 00010202
[ 1492.366101] RAX: 0000000000000ff7 RBX: ffff9254c3c47110 RCX: 0000000000000001
[ 1492.366183] RDX: 0000000000000000 RSI: 0000000000000ff7 RDI: ffff9254c3c47080
[ 1492.366250] RBP: ffff9254c6c091c0 R08: ffff9254c3c47358 R09: ffffffffa6fea700
[ 1492.366320] R10: ffff9254ca173a00 R11: 0000000000000001 R12: ffff9254c3c47080
[ 1492.366386] R13: 0000000000000005 R14: ffff9254fedab438 R15: 0000000000000000
[ 1492.366461] FS:  0000000000000000(0000) GS:ffff9255558dc000(0000) knlGS:0000000000000000
[ 1492.366541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1492.366614] CR2: 00007f4959a48000 CR3: 000000001ba48001 CR4: 0000000000772ef0
[ 1492.366691] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1492.366766] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1492.366843] PKRU: 55555554
[ 1492.366871] Call Trace:
[ 1492.366890]  <IRQ>
[ 1492.366917] ? __warn (kernel/panic.c:748) 
[ 1492.366954] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 1492.367001] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 1492.367038] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 1492.367103] ? handle_bug (arch/x86/kernel/traps.c:337) 
[ 1492.367142] ? exc_invalid_op (arch/x86/kernel/traps.c:391 (discriminator 1)) 
[ 1492.367188] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 1492.367236] ? rcu_core (kernel/rcu/tree.c:2556 kernel/rcu/tree.c:2824) 
[ 1492.367275] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 1492.367342] __sk_destruct (net/core/sock.c:2293) 
[ 1492.367377] rcu_core (kernel/rcu/tree.c:2568 kernel/rcu/tree.c:2824) 
[ 1492.367414] ? rcu_core (kernel/rcu/tree.c:2494 kernel/rcu/tree.c:2824) 
[ 1492.367509] handle_softirqs (kernel/softirq.c:561) 
[ 1492.367574] irq_exit_rcu (kernel/softirq.c:596 kernel/softirq.c:435 kernel/softirq.c:662 kernel/softirq.c:678) 
[ 1492.367626] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 1492.367677]  </IRQ>
[ 1492.367702]  <TASK>
[ 1492.367739] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1492.367785] RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/kernel/process.c:749) 
[ 1492.367823] Code: 4c 01 c7 4c 29 c2 e9 6e ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 23 42 19 00 fb f4 <fa> c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
All code
========
   0:	4c 01 c7             	add    %r8,%rdi
   3:	4c 29 c2             	sub    %r8,%rdx
   6:	e9 6e ff ff ff       	jmp    0xffffffffffffff79
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 23 42 19 00 	verw   0x194223(%rip)        # 0x19424b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	fa                   	cli		<-- trapping instruction
  2b:	c3                   	ret
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	cc                   	int3
  30:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  37:	00 00 00 00 
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	fa                   	cli
   1:	c3                   	ret
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	cc                   	int3
   6:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   d:	00 00 00 00 
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1492.368036] RSP: 0018:ffffa846400afee8 EFLAGS: 00000256
[ 1492.368090] RAX: ffff9255558dc000 RBX: ffff9254c1310000 RCX: 0000000000000000
[ 1492.368175] RDX: 0000000000000003 RSI: ffffffffa83952e6 RDI: 0000000004019c3c
[ 1492.368281] RBP: 0000000000000003 R08: 0000000004019c3c R09: 0000000000000001
[ 1492.368376] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
[ 1492.368445] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 1492.368532] default_idle_call (./include/linux/cpuidle.h:144 kernel/sched/idle.c:118) 
[ 1492.368586] do_idle (kernel/sched/idle.c:186 kernel/sched/idle.c:325) 
[ 1492.368635] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1492.368682] start_secondary (arch/x86/kernel/smpboot.c:315) 


Finger prints:
inet_sock_destruct:__sk_destruct:rcu_core:handle_softirqs:irq_exit_rcu