======================================
| 0
| xx__-> [ 3871.952698][    C3] ------------[ cut here ]------------
| [ 3871.953033][ C3] WARNING: CPU: 3 PID: 32 at net/ipv4/af_inet.c:153 inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
| [ 3871.953326][    C3] Modules linked in: xfrm_interface sha1_generic drop_monitor netdevsim cls_matchall act_gact sch_ingress 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
[ 3871.954780][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3871.954981][ C3] RIP: 0010:inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 3871.955185][ C3] 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 dc a9 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 dc a9 	mov    $0xffffffffa9dc70c0,%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
[ 3871.955804][    C3] RSP: 0018:ffffc90000247c20 EFLAGS: 00010206
[ 3871.956007][    C3] RAX: 0000000000000009 RBX: ffffffffab6ae1e0 RCX: ffffffffa920defe
[ 3871.956241][    C3] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800cee3980
[ 3871.956485][    C3] RBP: ffff88800cee3840 R08: 0000000000000000 R09: ffffed10019dc730
[ 3871.956732][    C3] R10: ffff88800cee3983 R11: 0000000000000000 R12: ffff88800cee3980
[ 3871.956969][    C3] R13: ffffc90000247d18 R14: ffffffffa6e713fc R15: 0000000000000005
[ 3871.957216][    C3] FS:  0000000000000000(0000) GS:ffff8880c07c3000(0000) knlGS:0000000000000000
[ 3871.957512][    C3] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3871.957717][    C3] CR2: 000055805c5e42c8 CR3: 0000000062540003 CR4: 0000000000772ef0
[ 3871.957952][    C3] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3871.958194][    C3] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3871.958455][    C3] PKRU: 55555554
[ 3871.958600][    C3] Call Trace:
[ 3871.958717][    C3]  <TASK>
[ 3871.958802][ C3] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 3871.958968][ C3] ? __warn (kernel/panic.c:748) 
[ 3871.959092][ C3] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 3871.959252][ C3] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 3871.959427][ C3] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 3871.959595][ C3] ? handle_bug (arch/x86/kernel/traps.c:337) 
[ 3871.959749][ C3] ? exc_invalid_op (arch/x86/kernel/traps.c:391 (discriminator 1)) 
[ 3871.959902][ C3] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 3871.960063][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 3871.960221][ C3] ? 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) 
[ 3871.960385][ C3] ? inet_sock_destruct (net/ipv4/af_inet.c:153 (discriminator 1)) 
[ 3871.960543][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 3871.960705][ C3] __sk_destruct (net/core/sock.c:2293) 
[ 3871.960875][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 3871.961029][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 3871.961187][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 3871.961354][ C3] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 3871.961517][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 3871.961720][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 3871.961841][ C3] handle_softirqs (kernel/softirq.c:561) 
[ 3871.962006][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:943) 
[ 3871.962165][ C3] run_ksoftirqd (kernel/softirq.c:418 kernel/softirq.c:951 kernel/softirq.c:942) 
[ 3871.962320][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 3871.962489][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 3871.962648][ C3] kthread (kernel/kthread.c:464) 
[ 3871.962767][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 3871.962920][ C3] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 3871.963084][ C3] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 3871.963242][ C3] ? 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) 
[ 3871.963409][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 3871.963564][ C3] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 3871.963719][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 3871.963877][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 3871.965630][    C3] ------------[ cut here ]------------
| [ 3871.965776][ C3] WARNING: CPU: 3 PID: 32 at net/ipv4/af_inet.c:156 inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
| [ 3871.966042][    C3] Modules linked in: xfrm_interface sha1_generic drop_monitor netdevsim cls_matchall act_gact sch_ingress 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
| [ 3871.967083][    C3] Tainted: [W]=WARN
[ 3871.967217][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3871.967410][ C3] RIP: 0010:inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 3871.967621][ C3] 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
[ 3871.968165][    C3] RSP: 0018:ffffc90000247c20 EFLAGS: 00010202
[ 3871.968364][    C3] RAX: 0000000000000ff7 RBX: ffffffffab6ae1e0 RCX: ffffffffa920df4a
[ 3871.968596][    C3] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800cee3ac4
[ 3871.968833][    C3] RBP: ffff88800cee3840 R08: 0000000000000000 R09: ffffed10019dc75b
[ 3871.969058][    C3] R10: ffff88800cee3adf R11: 0000000000000000 R12: ffff88800cee3adc
[ 3871.969291][    C3] R13: ffffc90000247d18 R14: ffffffffa6e713fc R15: 0000000000000005
[ 3871.969525][    C3] FS:  0000000000000000(0000) GS:ffff8880c07c3000(0000) knlGS:0000000000000000
[ 3871.969797][    C3] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3871.969996][    C3] CR2: 000055805c5e42c8 CR3: 0000000062540003 CR4: 0000000000772ef0
[ 3871.970234][    C3] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3871.970470][    C3] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3871.970702][    C3] PKRU: 55555554
[ 3871.970816][    C3] Call Trace:
[ 3871.970929][    C3]  <TASK>
[ 3871.971009][ C3] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 3871.971164][ C3] ? __warn (kernel/panic.c:748) 
[ 3871.971283][ C3] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 3871.971444][ C3] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 3871.971606][ C3] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 3871.971760][ C3] ? handle_bug (arch/x86/kernel/traps.c:337) 
[ 3871.971918][ C3] ? exc_invalid_op (arch/x86/kernel/traps.c:391 (discriminator 1)) 
[ 3871.972071][ C3] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 3871.972232][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 3871.972404][ C3] ? 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)) 
[ 3871.972563][ C3] ? inet_sock_destruct (net/ipv4/af_inet.c:156 (discriminator 1)) 
[ 3871.972727][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 3871.972886][ C3] __sk_destruct (net/core/sock.c:2293) 
[ 3871.973049][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 3871.973206][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 3871.973376][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 3871.973537][ C3] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 3871.973689][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 3871.973888][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 3871.974013][ C3] handle_softirqs (kernel/softirq.c:561) 
[ 3871.974177][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:943) 
[ 3871.974335][ C3] run_ksoftirqd (kernel/softirq.c:418 kernel/softirq.c:951 kernel/softirq.c:942) 
[ 3871.974503][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 3871.974668][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 3871.974832][ C3] kthread (kernel/kthread.c:464) 
[ 3871.974953][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 3871.975106][ C3] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 3871.975263][ C3] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 3871.975426][ C3] ? 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) 
[ 3871.975582][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 3871.975737][ C3] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 3871.975890][ C3] ? __pfx_kthread (kernel/kthread.c:413) 


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