======================================
| xx__-> [  387.402444][ T4127] ip (4127) used greatest stack depth: 24200 bytes left
| [  388.607468][    C2] ------------[ cut here ]------------
| [  388.608108][    C2] WARNING: CPU: 2 PID: 4138 at ./include/net/sch_generic.h:843 tc_run (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:1366 net/core/dev.c:4370)
| [  388.608725][    C2] Modules linked in: cls_matchall ip_gre gre 8021q bridge stp llc act_gact cls_flower sch_ingress vrf veth
[  388.610255][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  388.610706][    C2] RIP: 0010:tc_run (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:1366 net/core/dev.c:4370)
[  388.611080][    C2] Code: 89 f8 49 c1 e8 03 45 0f b6 04 30 48 89 fe 83 e6 07 83 c6 01 44 38 c6 7c 09 45 84 c0 0f 85 83 02 00 00 66 83 7a 06 00 74 04 90 <0f> 0b 90 48 ba 00 00 00 00 00 fc ff df 48 8d 7b 28 48 89 fe 48 c1
All code
========
   0:	89 f8                	mov    %edi,%eax
   2:	49 c1 e8 03          	shr    $0x3,%r8
   6:	45 0f b6 04 30       	movzbl (%r8,%rsi,1),%r8d
   b:	48 89 fe             	mov    %rdi,%rsi
   e:	83 e6 07             	and    $0x7,%esi
  11:	83 c6 01             	add    $0x1,%esi
  14:	44 38 c6             	cmp    %r8b,%sil
  17:	7c 09                	jl     0x22
  19:	45 84 c0             	test   %r8b,%r8b
  1c:	0f 85 83 02 00 00    	jne    0x2a5
  22:	66 83 7a 06 00       	cmpw   $0x0,0x6(%rdx)
  27:	74 04                	je     0x2d
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  34:	fc ff df 
  37:	48 8d 7b 28          	lea    0x28(%rbx),%rdi
  3b:	48 89 fe             	mov    %rdi,%rsi
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
   a:	fc ff df 
   d:	48 8d 7b 28          	lea    0x28(%rbx),%rdi
  11:	48 89 fe             	mov    %rdi,%rsi
  14:	48                   	rex.W
  15:	c1                   	.byte 0xc1
[  388.612304][    C2] RSP: 0018:ffffc90000218980 EFLAGS: 00010246
[  388.612742][    C2] RAX: ffffe8ffffd03db0 RBX: ffff888005687a80 RCX: 0000000000000000
[  388.613250][    C2] RDX: ffff888008e93d00 RSI: 0000000000000000 RDI: ffff888008e93d04
[  388.614134][    C2] RBP: ffffc90000218a28 R08: 0000000000000000 R09: ffffed1001d91139
[  388.614662][    C2] R10: ffff88800ec889cf R11: ffffffff999744c0 R12: ffffc90000218b28
[  388.615150][    C2] R13: 1ffff92000043134 R14: ffff888005687ac8 R15: ffff888008b292f8
[  388.615661][    C2] FS:  00007f8a507fd740(0000) GS:ffff88809b6f2000(0000) knlGS:0000000000000000
[  388.616225][    C2] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  388.616663][    C2] CR2: 00007ffcf7def000 CR3: 000000000f973003 CR4: 0000000000772ef0
[  388.617160][    C2] PKRU: 55555554
[  388.617437][    C2] Call Trace:
[  388.617698][    C2]  <IRQ>
[  388.617882][    C2]  ? napi_disable (net/core/dev.c:4349)
[  388.618224][    C2]  ? packet_rcv (net/packet/af_packet.c:2210)
[  388.618615][    C2]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989)
[  388.619040][    C2]  ? ip_local_deliver (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:262)
[  388.619385][    C2]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:251)
[  388.619743][    C2]  ? do_xdp_generic (net/core/dev.c:5908)
[  388.620094][    C2]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  388.620463][    C2]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  388.620815][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  388.621157][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[  388.621512][    C2]  __netif_receive_skb_one_core (net/core/dev.c:6137)
[  388.621915][    C2]  ? __netif_receive_skb_list_core (net/core/dev.c:6131)
[  388.622352][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  388.622708][    C2]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[  388.623049][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[  388.623381][    C2]  process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604)
[  388.623730][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  388.624078][    C2]  __napi_poll.constprop.0 (net/core/dev.c:7668)
[  388.624403][    C2]  net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882)
[  388.624732][    C2]  ? run_backlog_napi (net/core/dev.c:7844)
[  388.625081][    C2]  ? try_to_wake_up (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:470 kernel/sched/core.c:4145)
[  388.625413][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  388.625732][    C2]  ? rcu_core (kernel/rcu/tree.c:2853 (discriminator 1))
[  388.625987][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  388.626323][    C2]  ? rcu_core (kernel/rcu/tree.c:2853 (discriminator 1))
[  388.626577][    C2]  handle_softirqs (kernel/softirq.c:623)
[  388.626906][    C2]  ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847)
[  388.627250][    C2]  do_softirq (kernel/softirq.c:523 kernel/softirq.c:510)
[  388.627513][    C2]  </IRQ>
[  388.627693][    C2]  <TASK>
[  388.627869][    C2]  __local_bh_enable_ip (kernel/softirq.c:450)
[  388.628207][    C2]  ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847)
[  388.628528][    C2]  __dev_queue_xmit (net/core/dev.c:4848)
[  388.628852][    C2]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  388.629191][    C2]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  388.629521][    C2]  ? netdev_core_pick_tx (net/core/dev.c:4728)
[  388.629850][    C2]  ? packet_parse_headers (./include/linux/skbuff.h:3180 net/packet/af_packet.c:1938)
[  388.630451][    C2]  ? sock_wmalloc (net/core/sock.c:2968)
[  388.630788][    C2]  ? packet_cached_dev_get (net/packet/af_packet.c:1923)
[  388.631125][    C2]  ? skb_copy_datagram_from_iter (net/core/datagram.c:561)
[  388.631525][    C2]  packet_snd (net/packet/af_packet.c:3076)
[  388.632066][    C2]  ? tpacket_snd (net/packet/af_packet.c:2940)
[  388.632411][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  388.632740][    C2]  ? __might_fault (mm/memory.c:7081 mm/memory.c:7075)
[  388.633113][    C2]  __sys_sendto (net/socket.c:727 net/socket.c:742 net/socket.c:2244)
[  388.633651][    C2]  ? __ia32_sys_getpeername (net/socket.c:2211)
[  388.633971][    C2]  ? sock_ioctl (net/socket.c:1378)
[  388.634297][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  388.634606][    C2]  ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532)
[  388.635172][    C2]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  388.635500][    C2]  ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532)
[  388.635838][    C2]  __x64_sys_sendto (net/socket.c:2247)
[  388.636177][    C2]  ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:124 arch/x86/entry/syscall_64.c:90)
[  388.636696][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  388.637030][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  388.637355][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  388.637746][    C2] RIP: 0033:0x7f8a50a1927a
[  388.638311][    C2] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  388.639634][    C2] RSP: 002b:00007ffcf7df6ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  388.640121][    C2] RAX: ffffffffffffffda RBX: 000000001fccc9d0 RCX: 00007f8a50a1927a
[  388.640621][    C2] RDX: 0000000000000062 RSI: 000000001fccc5c2 RDI: 0000000000000005
[  388.641340][    C2] RBP: 000000001fccc5c2 R08: 00007ffcf7df6bb0 R09: 0000000000000014
[  388.641814][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  388.642304][    C2] R13: 0000000000000062 R14: 00007ffcf7df6bb0 R15: 0000000000000000
| [  388.646592][    C2] ------------[ cut here ]------------
| [  388.646956][    C2] WARNING: CPU: 2 PID: 4138 at ./include/net/sch_generic.h:843 tcf_gact_act (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/act_api.h:232 net/sched/act_gact.c:164) act_gact
| [  388.647646][    C2] Modules linked in: cls_matchall ip_gre gre 8021q bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [  388.649912][    C2] Tainted: [W]=WARN
[  388.650204][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  388.650915][    C2] RIP: 0010:tcf_gact_act (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/act_api.h:232 net/sched/act_gact.c:164) act_gact
[  388.651404][    C2] Code: 06 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 47 03 00 00 66 41 83 7d 06 00 74 04 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8d 7d 28 48 89 fa 48 c1
All code
========
   0:	06                   	(bad)
   1:	48 89 fa             	mov    %rdi,%rdx
   4:	48 c1 ea 03          	shr    $0x3,%rdx
   8:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   c:	48 89 f8             	mov    %rdi,%rax
   f:	83 e0 07             	and    $0x7,%eax
  12:	83 c0 01             	add    $0x1,%eax
  15:	38 d0                	cmp    %dl,%al
  17:	7c 08                	jl     0x21
  19:	84 d2                	test   %dl,%dl
  1b:	0f 85 47 03 00 00    	jne    0x368
  21:	66 41 83 7d 06 00    	cmpw   $0x0,0x6(%r13)
  27:	74 04                	je     0x2d
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8d 7d 28          	lea    0x28(%rbp),%rdi
  3b:	48 89 fa             	mov    %rdi,%rdx
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8d 7d 28          	lea    0x28(%rbp),%rdi
  11:	48 89 fa             	mov    %rdi,%rdx
  14:	48                   	rex.W
  15:	c1                   	.byte 0xc1
[  388.652875][    C2] RSP: 0018:ffffc90000218418 EFLAGS: 00010246
[  388.653335][    C2] RAX: 0000000000000000 RBX: ffff888008eba800 RCX: 1ffffffff8065a5f
[  388.653854][    C2] RDX: 0000000000000000 RSI: ffffffff98e5d5c0 RDI: ffff888008e93d04
[  388.654636][    C2] RBP: ffff888005687a80 R08: 0000000000000001 R09: ffff88800f926a2c
[  388.655171][    C2] R10: 0000000000000000 R11: ffff888008eb9000 R12: ffffe8ffffd03e50
[  388.655917][    C2] R13: ffff888008e93d00 R14: 0000000000000000 R15: 0000000000000002
[  388.656452][    C2] FS:  00007f8a507fd740(0000) GS:ffff88809b6f2000(0000) knlGS:0000000000000000
[  388.657078][    C2] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  388.657754][    C2] CR2: 00007ffcf7def000 CR3: 000000000f973003 CR4: 0000000000772ef0
[  388.658289][    C2] PKRU: 55555554
[  388.658558][    C2] Call Trace:
[  388.658831][    C2]  <IRQ>
[  388.659271][    C2]  tcf_action_exec.part.0 (./include/net/tc_wrapper.h:217 net/sched/act_api.c:1150)
[  388.659648][    C2] fl_classify (net/sched/cls_flower.c:356) cls_flower
[  388.660036][    C2]  ? fl_mask_lookup (net/sched/cls_flower.c:327) cls_flower
[  388.660488][    C2]  ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[  388.661223][    C2]  ? _printk (kernel/printk/printk.c:2443)
[  388.661508][    C2]  ? console_prepend_message (kernel/printk/printk.c:2443)
[  388.661881][    C2]  ? tc_run (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:1366 net/core/dev.c:4370)
[  388.662190][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  388.662783][    C2]  ? tc_run (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:1366 net/core/dev.c:4370)
[  388.663111][    C2]  __tcf_classify (./include/net/tc_wrapper.h:223 net/sched/cls_api.c:1764)
[  388.663481][    C2]  tcf_classify (net/sched/cls_api.c:1860)
[  388.663832][    C2]  ? exc_invalid_op (arch/x86/kernel/traps.c:392 (discriminator 1))
[  388.664447][    C2]  ? __tcf_classify (net/sched/cls_api.c:1809)
[  388.664809][    C2]  tc_run (net/core/dev.c:4373)
[  388.665102][    C2]  ? napi_disable (net/core/dev.c:4349)
[  388.665456][    C2]  ? packet_rcv (net/packet/af_packet.c:2210)
[  388.665816][    C2]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989)
[  388.666525][    C2]  ? ip_local_deliver (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:262)
[  388.666879][    C2]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:251)
[  388.667253][    C2]  ? do_xdp_generic (net/core/dev.c:5908)
[  388.667626][    C2]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  388.668225][    C2]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  388.668596][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  388.668949][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[  388.669559][    C2]  __netif_receive_skb_one_core (net/core/dev.c:6137)
[  388.669997][    C2]  ? __netif_receive_skb_list_core (net/core/dev.c:6131)
[  388.670463][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  388.670820][    C2]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[  388.671195][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[  388.671559][    C2]  process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604)
[  388.671913][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  388.672290][    C2]  __napi_poll.constprop.0 (net/core/dev.c:7668)
[  388.672896][    C2]  net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882)
[  388.673277][    C2]  ? run_backlog_napi (net/core/dev.c:7844)
[  388.673626][    C2]  ? try_to_wake_up (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:470 kernel/sched/core.c:4145)
[  388.673973][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  388.674567][    C2]  ? rcu_core (kernel/rcu/tree.c:2853 (discriminator 1))
[  388.674835][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  388.675204][    C2]  ? rcu_core (kernel/rcu/tree.c:2853 (discriminator 1))
[  388.675482][    C2]  handle_softirqs (kernel/softirq.c:623)
[  388.675836][    C2]  ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847)
[  388.676451][    C2]  do_softirq (kernel/softirq.c:523 kernel/softirq.c:510)
[  388.676723][    C2]  </IRQ>
[  388.676913][    C2]  <TASK>
[  388.677124][    C2]  __local_bh_enable_ip (kernel/softirq.c:450)
[  388.677488][    C2]  ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847)
[  388.678090][    C2]  __dev_queue_xmit (net/core/dev.c:4848)
[  388.678477][    C2]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  388.678842][    C2]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  388.679217][    C2]  ? netdev_core_pick_tx (net/core/dev.c:4728)
[  388.679786][    C2]  ? packet_parse_headers (./include/linux/skbuff.h:3180 net/packet/af_packet.c:1938)
[  388.680143][    C2]  ? sock_wmalloc (net/core/sock.c:2968)
[  388.680498][    C2]  ? packet_cached_dev_get (net/packet/af_packet.c:1923)
[  388.680832][    C2]  ? skb_copy_datagram_from_iter (net/core/datagram.c:561)
[  388.681495][    C2]  packet_snd (net/packet/af_packet.c:3076)
[  388.681853][    C2]  ? tpacket_snd (net/packet/af_packet.c:2940)
[  388.682211][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  388.682576][    C2]  ? __might_fault (mm/memory.c:7081 mm/memory.c:7075)
[  388.683175][    C2]  __sys_sendto (net/socket.c:727 net/socket.c:742 net/socket.c:2244)
[  388.683529][    C2]  ? __ia32_sys_getpeername (net/socket.c:2211)
[  388.683876][    C2]  ? sock_ioctl (net/socket.c:1378)
[  388.684459][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  388.684820][    C2]  ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532)
[  388.685200][    C2]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  388.685570][    C2]  ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532)
[  388.685930][    C2]  __x64_sys_sendto (net/socket.c:2247)
[  388.686532][    C2]  ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:124 arch/x86/entry/syscall_64.c:90)
[  388.686880][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  388.687244][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  388.687593][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  388.688264][    C2] RIP: 0033:0x7f8a50a1927a
[  388.688619][    C2] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  388.690065][    C2] RSP: 002b:00007ffcf7df6ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  388.690591][    C2] RAX: ffffffffffffffda RBX: 000000001fccc9d0 RCX: 00007f8a50a1927a
[  388.691349][    C2] RDX: 0000000000000062 RSI: 000000001fccc5c2 RDI: 0000000000000005
[  388.691850][    C2] RBP: 000000001fccc5c2 R08: 00007ffcf7df6bb0 R09: 0000000000000014
[  388.692355][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000


Finger prints:
tcf_gact_act:fl_classify:__tcf_classify:tcf_classify:tc_run
tc_run:__netif_receive_skb_one_core:process_backlog:net_rx_action:handle_softirqs