======================================
| [   47.007844][  T496] GACT probability NOT on
| [  102.700796][    C0] ------------[ cut here ]------------
| [  102.701590][    C0] WARNING: CPU: 0 PID: 688 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)
| [  102.702514][    C0] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
[  102.705025][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.705796][    C0] 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)
[  102.706361][    C0] 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
[  102.708138][    C0] RSP: 0018:ffffc90000007980 EFLAGS: 00010246
[  102.708748][    C0] RAX: ffffe8ffffc06850 RBX: ffff888005117c40 RCX: 0000000000000000
[  102.709464][    C0] RDX: ffff88800bb63d00 RSI: 0000000000000000 RDI: ffff88800bb63d04
[  102.710200][    C0] RBP: ffffc90000007a28 R08: 0000000000000000 R09: ffffed1000ad7139
[  102.710903][    C0] R10: ffff8880056b89cf R11: ffffffff879744c0 R12: ffffc90000007b28
[  102.711630][    C0] R13: 1ffff92000000f34 R14: ffff888005117c88 R15: ffff88800da9e6d0
[  102.712341][    C0] FS:  00007ff006323740(0000) GS:ffff8880ad5f2000(0000) knlGS:0000000000000000
[  102.713189][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.713775][    C0] CR2: 00007ffddc6f5000 CR3: 0000000009f76001 CR4: 0000000000772ef0
[  102.714473][    C0] PKRU: 55555554
[  102.714839][    C0] Call Trace:
[  102.715208][    C0]  <IRQ>
[  102.715456][    C0]  ? napi_disable (net/core/dev.c:4349)
[  102.715929][    C0]  ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:453 (discriminator 60))
[  102.716548][    C0]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989)
[  102.717162][    C0]  ? ip6_input (net/ipv6/ip6_input.c:496)
[  102.717634][    C0]  ? ip6_input_finish (net/ipv6/ip6_input.c:496)
[  102.718116][    C0]  ? do_xdp_generic (net/core/dev.c:5908)
[  102.718625][    C0]  ? ip6_rcv_core (./include/net/sock.h:2961 net/ipv6/ip6_input.c:291)
[  102.719095][    C0]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.719600][    C0]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  102.720079][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.720603][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[  102.721039][    C0]  __netif_receive_skb_one_core (net/core/dev.c:6137)
[  102.721634][    C0]  ? __netif_receive_skb_list_core (net/core/dev.c:6131)
[  102.722257][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  102.722750][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[  102.723244][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[  102.723755][    C0]  process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604)
[  102.724243][    C0]  __napi_poll.constprop.0 (net/core/dev.c:7668)
[  102.724733][    C0]  net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882)
[  102.725262][    C0]  ? run_backlog_napi (net/core/dev.c:7844)
[  102.725770][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.726284][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  102.726776][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[  102.727380][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  102.727908][    C0]  handle_softirqs (kernel/softirq.c:623)
[  102.728420][    C0]  ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847)
[  102.728915][    C0]  do_softirq (kernel/softirq.c:523 kernel/softirq.c:510)
[  102.729295][    C0]  </IRQ>
[  102.729557][    C0]  <TASK>
[  102.729804][    C0]  __local_bh_enable_ip (kernel/softirq.c:450)
[  102.730299][    C0]  ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847)
[  102.730795][    C0]  __dev_queue_xmit (net/core/dev.c:4848)
[  102.731304][    C0]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.731797][    C0]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  102.732311][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4728)
[  102.732803][    C0]  ? packet_parse_headers (./include/linux/skbuff.h:3180 net/packet/af_packet.c:1938)
[  102.733287][    C0]  ? sock_wmalloc (net/core/sock.c:2968)
[  102.733784][    C0]  ? packet_cached_dev_get (net/packet/af_packet.c:1923)
[  102.734267][    C0]  ? skb_copy_datagram_from_iter (net/core/datagram.c:561)
[  102.734912][    C0]  packet_snd (net/packet/af_packet.c:3076)
[  102.735452][    C0]  ? tpacket_snd (net/packet/af_packet.c:2940)
[  102.736002][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.736525][    C0]  ? __might_fault (mm/memory.c:7081 mm/memory.c:7075)
[  102.737017][    C0]  __sys_sendto (net/socket.c:727 net/socket.c:742 net/socket.c:2244)
[  102.737540][    C0]  ? __ia32_sys_getpeername (net/socket.c:2211)
[  102.738044][    C0]  ? sock_ioctl (net/socket.c:1378)
[  102.738567][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.739062][    C0]  ? 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)
[  102.739580][    C0]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  102.740078][    C0]  ? 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)
[  102.740595][    C0]  __x64_sys_sendto (net/socket.c:2247)
[  102.741089][    C0]  ? 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)
[  102.741588][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  102.742076][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.742594][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  102.743225][    C0] RIP: 0033:0x7ff00653f27a
[  102.743735][    C0] 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
[  102.745483][    C0] RSP: 002b:00007ffddc6fc4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  102.746240][    C0] RAX: ffffffffffffffda RBX: 000000001458dde0 RCX: 00007ff00653f27a
[  102.746989][    C0] RDX: 000000000000007e RSI: 000000001458e0e2 RDI: 0000000000000005
[  102.747614][    C0] RBP: 000000001458e0e2 R08: 00007ffddc6fc500 R09: 0000000000000014
[  102.748039][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  102.748503][    C0] R13: 000000000000007e R14: 00007ffddc6fc500 R15: 0000000000000000
| [  102.751988][    C0] ------------[ cut here ]------------
| [  102.752329][    C0] WARNING: CPU: 0 PID: 688 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
| [  102.752955][    C0] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  102.754435][    C0] Tainted: [W]=WARN
[  102.754675][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.755075][    C0] 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
[  102.755655][    C0] 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
[  102.757241][    C0] RSP: 0018:ffffc90000007418 EFLAGS: 00010246
[  102.757682][    C0] RAX: 0000000000000000 RBX: ffff88800a3b5c00 RCX: 1ffffffff80a425f
[  102.758156][    C0] RDX: 0000000000000000 RSI: ffffffff86e5d5c0 RDI: ffff88800bb63d04
[  102.758639][    C0] RBP: ffff888005117c40 R08: 0000000000000001 R09: ffff88800b85222c
[  102.759104][    C0] R10: 0000000000000000 R11: ffff88800a3b6500 R12: ffffe8ffffc09bb0
[  102.759825][    C0] R13: ffff88800bb63d00 R14: 0000000000000000 R15: 0000000000000000
[  102.760370][    C0] FS:  00007ff006323740(0000) GS:ffff8880ad5f2000(0000) knlGS:0000000000000000
[  102.760914][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.761320][    C0] CR2: 00007ffddc6f5000 CR3: 0000000009f76001 CR4: 0000000000772ef0
[  102.761793][    C0] PKRU: 55555554
[  102.762029][    C0] Call Trace:
[  102.762289][    C0]  <IRQ>
[  102.762456][    C0]  tcf_action_exec.part.0 (./include/net/tc_wrapper.h:217 net/sched/act_api.c:1150)
[  102.762784][    C0] fl_classify (net/sched/cls_flower.c:356) cls_flower
[  102.763108][    C0]  ? fl_mask_lookup (net/sched/cls_flower.c:327) cls_flower
[  102.763527][    C0]  ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[  102.763923][    C0]  ? __up_console_sem (kernel/printk/printk.c:345 (discriminator 1))
[  102.764237][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  102.764574][    C0]  ? console_unlock (kernel/printk/printk.c:3277 kernel/printk/printk.c:3298)
[  102.764884][    C0]  ? console_flush_all (kernel/printk/printk.c:3293)
[  102.765280][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5872)
[  102.765674][    C0]  ? vprintk_emit (kernel/printk/printk.c:2422)
[  102.766074][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:333)
[  102.766463][    C0]  ? vprintk_emit (kernel/printk/printk.c:2422)
[  102.766844][    C0]  ? __wake_up_klogd.part.0 (./arch/x86/include/asm/preempt.h:104 kernel/printk/printk.c:4531)
[  102.767230][    C0]  ? vprintk_emit (kernel/printk/printk.c:2370)
[  102.767597][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:2370)
[  102.767925][    C0]  ? _printk (kernel/printk/printk.c:2443)
[  102.768172][    C0]  ? console_prepend_message (kernel/printk/printk.c:2443)
[  102.768509][    C0]  ? 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)
[  102.768831][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  102.769213][    C0]  ? 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)
[  102.769536][    C0]  __tcf_classify (./include/net/tc_wrapper.h:223 net/sched/cls_api.c:1764)
[  102.769921][    C0]  tcf_classify (net/sched/cls_api.c:1860)
[  102.770250][    C0]  ? exc_invalid_op (arch/x86/kernel/traps.c:392 (discriminator 1))
[  102.770583][    C0]  ? __tcf_classify (net/sched/cls_api.c:1809)
[  102.770993][    C0]  tc_run (net/core/dev.c:4373)
[  102.771250][    C0]  ? napi_disable (net/core/dev.c:4349)
[  102.771587][    C0]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989)
[  102.771981][    C0]  ? ip6_input (net/ipv6/ip6_input.c:496)
[  102.772315][    C0]  ? ip6_input_finish (net/ipv6/ip6_input.c:496)
[  102.772642][    C0]  ? do_xdp_generic (net/core/dev.c:5908)
[  102.772955][    C0]  ? ip6_rcv_core (./include/net/sock.h:2961 net/ipv6/ip6_input.c:291)
[  102.773324][    C0]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.773662][    C0]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  102.773982][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.774318][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[  102.774631][    C0]  __netif_receive_skb_one_core (net/core/dev.c:6137)
[  102.775027][    C0]  ? __netif_receive_skb_list_core (net/core/dev.c:6131)
[  102.775436][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  102.775752][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[  102.776132][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[  102.776465][    C0]  process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604)
[  102.776784][    C0]  __napi_poll.constprop.0 (net/core/dev.c:7668)
[  102.777097][    C0]  net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882)
[  102.777516][    C0]  ? run_backlog_napi (net/core/dev.c:7844)
[  102.777970][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.778328][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  102.778739][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[  102.779138][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  102.779557][    C0]  handle_softirqs (kernel/softirq.c:623)
[  102.779875][    C0]  ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847)
[  102.780204][    C0]  do_softirq (kernel/softirq.c:523 kernel/softirq.c:510)
[  102.780519][    C0]  </IRQ>
[  102.780705][    C0]  <TASK>
[  102.780864][    C0]  __local_bh_enable_ip (kernel/softirq.c:450)
[  102.781267][    C0]  ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847)
[  102.781598][    C0]  __dev_queue_xmit (net/core/dev.c:4848)
[  102.781915][    C0]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.782316][    C0]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  102.782645][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4728)
[  102.782967][    C0]  ? packet_parse_headers (./include/linux/skbuff.h:3180 net/packet/af_packet.c:1938)
[  102.783304][    C0]  ? sock_wmalloc (net/core/sock.c:2968)
[  102.783617][    C0]  ? packet_cached_dev_get (net/packet/af_packet.c:1923)
[  102.783928][    C0]  ? skb_copy_datagram_from_iter (net/core/datagram.c:561)
[  102.784343][    C0]  packet_snd (net/packet/af_packet.c:3076)
[  102.784666][    C0]  ? tpacket_snd (net/packet/af_packet.c:2940)
[  102.784978][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.785319][    C0]  ? __might_fault (mm/memory.c:7081 mm/memory.c:7075)
[  102.785648][    C0]  __sys_sendto (net/socket.c:727 net/socket.c:742 net/socket.c:2244)
[  102.786043][    C0]  ? __ia32_sys_getpeername (net/socket.c:2211)
[  102.786448][    C0]  ? sock_ioctl (net/socket.c:1378)
[  102.786765][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.787143][    C0]  ? 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)
[  102.787470][    C0]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  102.787889][    C0]  ? 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)
[  102.788294][    C0]  __x64_sys_sendto (net/socket.c:2247)
[  102.788692][    C0]  ? 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)
[  102.789055][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  102.789392][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.789707][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  102.790097][    C0] RIP: 0033:0x7ff00653f27a
[  102.790497][    C0] 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
[  102.791747][    C0] RSP: 002b:00007ffddc6fc4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  102.792228][    C0] RAX: ffffffffffffffda RBX: 000000001458dde0 RCX: 00007ff00653f27a
[  102.792737][    C0] RDX: 000000000000007e RSI: 000000001458e0e2 RDI: 0000000000000005
[  102.793219][    C0] RBP: 000000001458e0e2 R08: 00007ffddc6fc500 R09: 0000000000000014
[  102.793705][    C0] 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