======================================
| 0
| xx__-> [ 4064.727514][    C2] ------------[ cut here ]------------
| [ 4064.727842][ C2] WARNING: CPU: 2 PID: 27 at net/ipv4/af_inet.c:153 inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
| [ 4064.728141][    C2] Modules linked in: bonding sch_etf sch_fq netdevsim act_tunnel_key bareudp mpls_gso mpls_iptunnel mpls_router pktgen sha1_generic nft_chain_nat xt_nat nft_compat nf_tables vxcan can_dev xfrm_interface macsec ipvlan act_mirred cls_u32 ifb act_gact sch_ingress ip6_gre ip_gre gre 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]
[ 4064.729571][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4064.729771][ C2] RIP: 0010:inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 4064.729974][ C2] Code: 5e 41 5f e9 38 7a be fd 0f b6 75 12 48 83 c4 18 48 89 ea 48 c7 c7 c0 70 7c ae 5b 5d 41 5c 41 5d 41 5e 41 5f e9 17 7a be fd 90 <0f> 0b 90 e9 44 fe ff ff 90 0f 0b 90 e9 87 fe ff ff 90 0f 0b 90 e9
All code
========
   0:	5e                   	pop    %rsi
   1:	41 5f                	pop    %r15
   3:	e9 38 7a be fd       	jmp    0xfffffffffdbe7a40
   8:	0f b6 75 12          	movzbl 0x12(%rbp),%esi
   c:	48 83 c4 18          	add    $0x18,%rsp
  10:	48 89 ea             	mov    %rbp,%rdx
  13:	48 c7 c7 c0 70 7c ae 	mov    $0xffffffffae7c70c0,%rdi
  1a:	5b                   	pop    %rbx
  1b:	5d                   	pop    %rbp
  1c:	41 5c                	pop    %r12
  1e:	41 5d                	pop    %r13
  20:	41 5e                	pop    %r14
  22:	41 5f                	pop    %r15
  24:	e9 17 7a be fd       	jmp    0xfffffffffdbe7a40
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 44 fe ff ff       	jmp    0xfffffffffffffe76
  32:	90                   	nop
  33:	0f 0b                	ud2
  35:	90                   	nop
  36:	e9 87 fe ff ff       	jmp    0xfffffffffffffec2
  3b:	90                   	nop
  3c:	0f 0b                	ud2
  3e:	90                   	nop
  3f:	e9                   	.byte 0xe9

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 44 fe ff ff       	jmp    0xfffffffffffffe4c
   8:	90                   	nop
   9:	0f 0b                	ud2
   b:	90                   	nop
   c:	e9 87 fe ff ff       	jmp    0xfffffffffffffe98
  11:	90                   	nop
  12:	0f 0b                	ud2
  14:	90                   	nop
  15:	e9                   	.byte 0xe9
[ 4064.730509][    C2] RSP: 0018:ffffc900001efc20 EFLAGS: 00010206
[ 4064.730716][    C2] RAX: 0000000000000009 RBX: ffffffffb00ae1e0 RCX: ffffffffadc0defe
[ 4064.730983][    C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888005b55180
[ 4064.731224][    C2] RBP: ffff888005b55040 R08: 0000000000000000 R09: ffffed1000b6aa30
[ 4064.731456][    C2] R10: ffff888005b55183 R11: 0000000000000000 R12: ffff888005b55180
[ 4064.731685][    C2] R13: ffffc900001efd18 R14: ffffffffab8713fc R15: 0000000000000007
[ 4064.731914][    C2] FS:  0000000000000000(0000) GS:ffff8880bbd43000(0000) knlGS:0000000000000000
[ 4064.732202][    C2] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4064.732430][    C2] CR2: 00007f720adb9210 CR3: 00000000177a4006 CR4: 0000000000772ef0
[ 4064.732673][    C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4064.733245][    C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4064.733486][    C2] PKRU: 55555554
[ 4064.733644][    C2] Call Trace:
[ 4064.733776][    C2]  <TASK>
[ 4064.733868][ C2] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 4064.734041][ C2] ? __warn (kernel/panic.c:748) 
[ 4064.734170][ C2] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 4064.734331][ C2] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 4064.734493][ C2] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 4064.734651][ C2] ? handle_bug (arch/x86/kernel/traps.c:337) 
[ 4064.734814][ C2] ? exc_invalid_op (arch/x86/kernel/traps.c:391 (discriminator 1)) 
[ 4064.734974][ C2] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 4064.735150][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 4064.735314][ C2] ? inet_sock_destruct (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 net/ipv4/af_inet.c:153) 
[ 4064.735473][ C2] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 4064.735634][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 4064.735821][ C2] __sk_destruct (net/core/sock.c:2293) 
[ 4064.736015][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 4064.736201][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 4064.736379][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 4064.736553][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 4064.736718][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4064.736925][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 4064.737066][ C2] handle_softirqs (kernel/softirq.c:561) 
[ 4064.737234][ C2] ? __pfx_run_ksoftirqd (kernel/softirq.c:943) 
[ 4064.737398][ C2] run_ksoftirqd (kernel/softirq.c:418 kernel/softirq.c:951 kernel/softirq.c:942) 
[ 4064.737564][ C2] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 4064.737730][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 4064.737895][ C2] kthread (kernel/kthread.c:464) 
[ 4064.738035][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4064.738201][ C2] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 4064.738362][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 4064.738533][ C2] ? calculate_sigpending (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-atomic.h:28 ./include/linux/thread_info.h:97 ./include/linux/sched.h:2016 kernel/signal.c:191) 
[ 4064.738696][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4064.738879][ C2] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 4064.739052][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4064.739215][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 4064.741014][    C2] ------------[ cut here ]------------
| [ 4064.741192][ C2] WARNING: CPU: 2 PID: 27 at net/ipv4/af_inet.c:156 inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
| [ 4064.741471][    C2] Modules linked in: bonding sch_etf sch_fq netdevsim act_tunnel_key bareudp mpls_gso mpls_iptunnel mpls_router pktgen sha1_generic nft_chain_nat xt_nat nft_compat nf_tables vxcan can_dev xfrm_interface macsec ipvlan act_mirred cls_u32 ifb act_gact sch_ingress ip6_gre ip_gre gre 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]
| [ 4064.742997][    C2] Tainted: [W]=WARN
[ 4064.743131][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4064.743335][ C2] RIP: 0010:inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 4064.743545][ C2] Code: 5d 41 5c 41 5d 41 5e 41 5f e9 17 7a be fd 90 0f 0b 90 e9 44 fe ff ff 90 0f 0b 90 e9 87 fe ff ff 90 0f 0b 90 e9 b4 fe ff ff 90 <0f> 0b 90 e9 ea fe ff ff e8 1e 50 2e fe e9 5a fd ff ff 4c 89 f7 48
All code
========
   0:	5d                   	pop    %rbp
   1:	41 5c                	pop    %r12
   3:	41 5d                	pop    %r13
   5:	41 5e                	pop    %r14
   7:	41 5f                	pop    %r15
   9:	e9 17 7a be fd       	jmp    0xfffffffffdbe7a25
   e:	90                   	nop
   f:	0f 0b                	ud2
  11:	90                   	nop
  12:	e9 44 fe ff ff       	jmp    0xfffffffffffffe5b
  17:	90                   	nop
  18:	0f 0b                	ud2
  1a:	90                   	nop
  1b:	e9 87 fe ff ff       	jmp    0xfffffffffffffea7
  20:	90                   	nop
  21:	0f 0b                	ud2
  23:	90                   	nop
  24:	e9 b4 fe ff ff       	jmp    0xfffffffffffffedd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 ea fe ff ff       	jmp    0xffffffffffffff1c
  32:	e8 1e 50 2e fe       	call   0xfffffffffe2e5055
  37:	e9 5a fd ff ff       	jmp    0xfffffffffffffd96
  3c:	4c 89 f7             	mov    %r14,%rdi
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 ea fe ff ff       	jmp    0xfffffffffffffef2
   8:	e8 1e 50 2e fe       	call   0xfffffffffe2e502b
   d:	e9 5a fd ff ff       	jmp    0xfffffffffffffd6c
  12:	4c 89 f7             	mov    %r14,%rdi
  15:	48                   	rex.W
[ 4064.744093][    C2] RSP: 0018:ffffc900001efc20 EFLAGS: 00010202
[ 4064.744315][    C2] RAX: 0000000000000ff7 RBX: ffffffffb00ae1e0 RCX: ffffffffadc0df4a
[ 4064.744542][    C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888005b552c4
[ 4064.744783][    C2] RBP: ffff888005b55040 R08: 0000000000000000 R09: ffffed1000b6aa5b
[ 4064.745027][    C2] R10: ffff888005b552df R11: 0000000000000000 R12: ffff888005b552dc
[ 4064.745265][    C2] R13: ffffc900001efd18 R14: ffffffffab8713fc R15: 0000000000000007
[ 4064.745501][    C2] FS:  0000000000000000(0000) GS:ffff8880bbd43000(0000) knlGS:0000000000000000
[ 4064.745771][    C2] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4064.745974][    C2] CR2: 00007f720adb9210 CR3: 0000000041b40001 CR4: 0000000000772ef0
[ 4064.746220][    C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4064.746458][    C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4064.746699][    C2] PKRU: 55555554
[ 4064.746824][    C2] Call Trace:
[ 4064.746948][    C2]  <TASK>
[ 4064.747049][ C2] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 4064.747215][ C2] ? __warn (kernel/panic.c:748) 
[ 4064.747346][ C2] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 4064.747511][ C2] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 4064.747686][ C2] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 4064.747849][ C2] ? handle_bug (arch/x86/kernel/traps.c:337) 
[ 4064.748023][ C2] ? exc_invalid_op (arch/x86/kernel/traps.c:391 (discriminator 1)) 
[ 4064.748186][ C2] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 4064.748348][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 4064.748523][ C2] ? inet_sock_destruct (./arch/x86/include/asm/atomic.h:23 (discriminator 3) ./include/linux/atomic/atomic-arch-fallback.h:457 (discriminator 3) ./include/linux/atomic/atomic-instrumented.h:33 (discriminator 3) ./include/linux/refcount.h:136 (discriminator 3) net/ipv4/af_inet.c:154 (discriminator 3)) 
[ 4064.748690][ C2] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 4064.748860][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 4064.749029][ C2] __sk_destruct (net/core/sock.c:2293) 
[ 4064.749198][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 4064.749361][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 4064.749530][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 4064.749696][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 4064.749863][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4064.750074][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 4064.750206][ C2] handle_softirqs (kernel/softirq.c:561) 
[ 4064.750371][ C2] ? __pfx_run_ksoftirqd (kernel/softirq.c:943) 
[ 4064.750534][ C2] run_ksoftirqd (kernel/softirq.c:418 kernel/softirq.c:951 kernel/softirq.c:942) 
[ 4064.750696][ C2] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 4064.750853][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 4064.751022][ C2] kthread (kernel/kthread.c:464) 
[ 4064.751147][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4064.751313][ C2] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 4064.751474][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 4064.751635][ C2] ? calculate_sigpending (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-atomic.h:28 ./include/linux/thread_info.h:97 ./include/linux/sched.h:2016 kernel/signal.c:191) 
[ 4064.751800][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4064.751963][ C2] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 4064.752135][ C2] ? __pfx_kthread (kernel/kthread.c:413) 


Finger prints:
inet_sock_destruct:__sk_destruct:rcu_do_batch:rcu_core:handle_softirqs