======================================
| 0
| xx__-> [ 1502.421381] ------------[ cut here ]------------
| [ 1502.421496] WARNING: CPU: 2 PID: 27 at net/ipv4/af_inet.c:153 inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
| [ 1502.421610] Modules linked in: dccp_ipv6 dccp_ipv4 dccp l2tp_ip6 l2tp_eth l2tp_ip l2tp_netlink l2tp_core vxcan can_dev xfrm_interface ipvlan sctp_diag sctp drop_monitor cls_bpf netdevsim bonding macsec ip6_gre ip_gre gre sch_htb cls_u32 ifb cls_matchall act_gact xt_mark nft_compat nf_tables sch_ingress act_mirred cls_basic sch_fq_codel xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh [last unloaded: ila]
[ 1502.422152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1502.422230] RIP: 0010:inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 1502.422297] Code: e9 e1 62 4c ff 4c 89 e6 5b 48 c7 c7 28 6c f7 9b 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 f7 9b 	mov    $0xffffffff9bf76c28,%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
[ 1502.422490] RSP: 0018:ffffb564400fbdb0 EFLAGS: 00010206
[ 1502.422557] RAX: 0000000000000009 RBX: ffff979741d7d610 RCX: 0000000000000001
[ 1502.422659] RDX: 0000000000000ff7 RSI: 0000000000000ff7 RDI: ffff979741d7d580
[ 1502.422763] RBP: ffff97974318b540 R08: ffff979741d7d858 R09: 0000000000000000
[ 1502.422865] R10: ffffffff9c761548 R11: 00000000000c2999 R12: ffff979741d7d580
[ 1502.422967] R13: 0000000000000000 R14: ffff97977ed2b438 R15: 0000000000000000
[ 1502.423067] FS:  0000000000000000(0000) GS:ffff9797e1c5c000(0000) knlGS:0000000000000000
[ 1502.423170] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1502.423271] CR2: 00007fdcce6ff050 CR3: 00000000143c0006 CR4: 0000000000772ef0
[ 1502.423388] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1502.423500] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1502.423604] PKRU: 55555554
[ 1502.423656] Call Trace:
[ 1502.423717]  <TASK>
[ 1502.423764] ? __warn (kernel/panic.c:748) 
[ 1502.423829] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 1502.423920] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 1502.423989] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 1502.424062] ? handle_bug (arch/x86/kernel/traps.c:337) 
[ 1502.424134] ? exc_invalid_op (arch/x86/kernel/traps.c:391 (discriminator 1)) 
[ 1502.424196] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 1502.424262] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 1502.424342] __sk_destruct (net/core/sock.c:2293) 
[ 1502.424406] rcu_core (kernel/rcu/tree.c:2568 kernel/rcu/tree.c:2824) 
[ 1502.424480] ? rcu_core (kernel/rcu/tree.c:2494 kernel/rcu/tree.c:2824) 
[ 1502.424539] handle_softirqs (kernel/softirq.c:561) 
[ 1502.424600] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 1502.424683] run_ksoftirqd (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 kernel/softirq.c:418 kernel/softirq.c:951 kernel/softirq.c:942) 
[ 1502.424757] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1502.424821] kthread (kernel/kthread.c:464) 
[ 1502.424884] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1502.424947] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1502.425005] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 1502.425083] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1502.425154] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1502.425366] ------------[ cut here ]------------
| [ 1502.425441] WARNING: CPU: 2 PID: 27 at net/ipv4/af_inet.c:156 inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
| [ 1502.425556] Modules linked in: dccp_ipv6 dccp_ipv4 dccp l2tp_ip6 l2tp_eth l2tp_ip l2tp_netlink l2tp_core vxcan can_dev xfrm_interface ipvlan sctp_diag sctp drop_monitor cls_bpf netdevsim bonding macsec ip6_gre ip_gre gre sch_htb cls_u32 ifb cls_matchall act_gact xt_mark nft_compat nf_tables sch_ingress act_mirred cls_basic sch_fq_codel xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh [last unloaded: ila]
| [ 1502.426153] Tainted: [W]=WARN
[ 1502.426218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1502.426308] RIP: 0010:inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 1502.426388] Code: 89 e2 5b 48 c7 c7 f0 6b f7 9b 41 5c e9 e1 62 4c ff 4c 89 e6 5b 48 c7 c7 28 6c f7 9b 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 f7 9b 	mov    $0xffffffff9bf76bf0,%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 f7 9b 	mov    $0xffffffff9bf76c28,%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)
[ 1502.426599] RSP: 0018:ffffb564400fbdb0 EFLAGS: 00010202
[ 1502.426683] RAX: 0000000000000ff7 RBX: ffff979741d7d610 RCX: 0000000000000001
[ 1502.426784] RDX: 0000000000000000 RSI: 0000000000000ff7 RDI: ffff979741d7d580
[ 1502.426883] RBP: ffff97974318b540 R08: ffff979741d7d858 R09: 0000000000000000
[ 1502.426990] R10: ffffffff9c761548 R11: 00000000000c2999 R12: ffff979741d7d580
[ 1502.427088] R13: 0000000000000000 R14: ffff97977ed2b438 R15: 0000000000000000
[ 1502.427195] FS:  0000000000000000(0000) GS:ffff9797e1c5c000(0000) knlGS:0000000000000000
[ 1502.427297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1502.427388] CR2: 00007fdcce6ff050 CR3: 00000000143c0006 CR4: 0000000000772ef0
[ 1502.427487] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1502.427585] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1502.427680] PKRU: 55555554
[ 1502.427726] Call Trace:
[ 1502.427781]  <TASK>
[ 1502.427832] ? __warn (kernel/panic.c:748) 
[ 1502.427892] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 1502.427963] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 1502.428019] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 1502.428100] ? handle_bug (arch/x86/kernel/traps.c:337) 
[ 1502.428157] ? exc_invalid_op (arch/x86/kernel/traps.c:391 (discriminator 1)) 
[ 1502.428217] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 1502.428293] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 1502.428367] __sk_destruct (net/core/sock.c:2293) 
[ 1502.428433] rcu_core (kernel/rcu/tree.c:2568 kernel/rcu/tree.c:2824) 
[ 1502.428495] ? rcu_core (kernel/rcu/tree.c:2494 kernel/rcu/tree.c:2824) 
[ 1502.428561] handle_softirqs (kernel/softirq.c:561) 
[ 1502.428625] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 1502.428715] run_ksoftirqd (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 kernel/softirq.c:418 kernel/softirq.c:951 kernel/softirq.c:942) 
[ 1502.428779] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1502.428844] kthread (kernel/kthread.c:464) 
[ 1502.428907] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1502.428969] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1502.429030] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 1502.429099] ? __pfx_kthread (kernel/kthread.c:413) 


Finger prints:
inet_sock_destruct:__sk_destruct:rcu_core:handle_softirqs:run_ksoftirqd