======================================
| [ 1829.896275][    C3] ==================================================================
| [ 1829.896575][ C3] BUG: KASAN: slab-use-after-free in xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3145) 
| [ 1829.896853][    C3] Read of size 8 at addr ffff8880146f1b40 by task socat/9405
| [ 1829.897113][    C3]
[ 1829.897485][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1829.897872][    C3] Call Trace:
[ 1829.898014][    C3]  <IRQ>
[ 1829.898103][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1829.898284][ C3] print_address_description.constprop.0 (mm/kasan/report.c:378) 
[ 1829.898505][ C3] ? xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3145) 
[ 1829.898685][ C3] print_report (mm/kasan/report.c:489) 
[ 1829.898873][ C3] ? kasan_addr_to_slab (./include/linux/mm.h:1282 mm/kasan/../slab.h:206 mm/kasan/common.c:38) 
[ 1829.899051][ C3] kasan_report (mm/kasan/report.c:603) 
[ 1829.899181][ C3] ? xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3145) 
[ 1829.899359][ C3] xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3145) 
[ 1829.899536][ C3] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3132) 
[ 1829.899761][ C3] ? l4proto_manip_pkt (./include/net/checksum.h:167 net/netfilter/nf_nat_proto.c:216 net/netfilter/nf_nat_proto.c:342) nf_nat
[ 1829.899990][ C3] nf_xfrm_me_harder (net/netfilter/nf_nat_proto.c:684) nf_nat
[ 1829.900172][ C3] ? __pfx_nf_xfrm_me_harder (net/netfilter/nf_nat_proto.c:664) nf_nat
[ 1829.900396][ C3] ? nft_do_chain_ipv4 (net/netfilter/nft_chain_filter.c:17) nf_tables
[ 1829.900657][ C3] ? __pfx_nft_do_chain_ipv4 (net/netfilter/nft_chain_filter.c:17) nf_tables
[ 1829.900906][ C3] nf_nat_ipv4_out (net/netfilter/nf_nat_proto.c:783 net/netfilter/nf_nat_proto.c:755) nf_nat
[ 1829.901089][ C3] ? __pfx_nf_nat_ipv4_out (net/netfilter/nf_nat_proto.c:757) nf_nat
[ 1829.901311][ C3] nf_hook_slow (./include/linux/netfilter.h:154 net/netfilter/core.c:626) 
[ 1829.901492][ C3] nf_hook (./include/linux/netfilter.h:269) 
[ 1829.901632][ C3] ? __pfx_ip_finish_output (net/ipv4/ip_output.c:318) 
[ 1829.901812][ C3] ? __pfx_nf_hook (./include/linux/netfilter.h:227) 
[ 1829.901989][ C3] ? __ip_append_data (./include/linux/skbuff.h:3205 ./include/linux/skbuff.h:3213 ./include/linux/skbuff.h:3227 net/ipv4/ip_output.c:1165) 
[ 1829.902174][ C3] ? __pfx_ip_finish_output (net/ipv4/ip_output.c:318) 
[ 1829.902352][ C3] ip_output (./include/linux/netfilter.h:301 net/ipv4/ip_output.c:434) 
[ 1829.902485][ C3] ? __pfx_ip_finish_output (net/ipv4/ip_output.c:318) 
[ 1829.902660][ C3] ip_push_pending_frames (./include/net/dst.h:450 net/ipv4/ip_output.c:130 net/ipv4/ip_output.c:1505 net/ipv4/ip_output.c:1525) 
[ 1829.902836][ C3] ip_send_unicast_reply (./include/net/route.h:266 net/ipv4/ip_output.c:1675) 
[ 1829.903018][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 1829.903198][ C3] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 1829.903333][ C3] ? __pfx_ip_send_unicast_reply (net/ipv4/ip_output.c:1605) 
[ 1829.903550][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 1829.903743][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5827) 
[ 1829.903929][ C3] ? tcp_v4_send_ack.constprop.0 (./include/linux/local_lock_internal.h:29 net/ipv4/tcp_ipv4.c:1016) 
[ 1829.904157][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 1829.904342][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1829.904530][ C3] tcp_v4_send_ack.constprop.0 (./include/net/net_namespace.h:380 ./include/net/sock.h:661 net/ipv4/tcp_ipv4.c:1030) 
[ 1829.904763][ C3] ? __pfx_tcp_v4_send_ack.constprop.0 (net/ipv4/tcp_ipv4.c:933) 
[ 1829.904986][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 1829.905166][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4321) 
[ 1829.905349][ C3] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:1086 net/ipv4/tcp_ipv4.c:2427) 
[ 1829.905527][ C3] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:1086 net/ipv4/tcp_ipv4.c:2427) 
[ 1829.905707][ C3] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2177) 
[ 1829.905887][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 1829.906070][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) 
[ 1829.906256][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6113) 
[ 1829.906424][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234) 
[ 1829.906600][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6113) 
[ 1829.906777][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 1829.906967][ C3] __netif_receive_skb_one_core (net/core/dev.c:5670 (discriminator 4)) 
[ 1829.907189][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5663) 
[ 1829.907420][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6113) 
[ 1829.907591][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1829.907769][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6113) 
[ 1829.907960][ C3] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6116) 
[ 1829.908138][ C3] __napi_poll.constprop.0 (net/core/dev.c:6779) 
[ 1829.908327][ C3] net_rx_action (net/core/dev.c:6848 net/core/dev.c:6970) 
[ 1829.908505][ C3] ? __pfx_net_rx_action (net/core/dev.c:6932) 
[ 1829.908686][ C3] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 1829.908861][ C3] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 1829.909052][ C3] ? ktime_get (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:395 (discriminator 4) kernel/time/timekeeping.c:403 (discriminator 4) kernel/time/timekeeping.c:850 (discriminator 4)) 
[ 1829.909296][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 1829.909474][ C3] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 1829.909744][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4321) 
[ 1829.909931][ C3] handle_softirqs (kernel/softirq.c:554) 
[ 1829.910226][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4459) 
[ 1829.910407][ C3] do_softirq (kernel/softirq.c:455 kernel/softirq.c:442) 
[ 1829.910642][    C3]  </IRQ>
[ 1829.910739][    C3]  <TASK>
[ 1829.910822][ C3] __local_bh_enable_ip (kernel/softirq.c:382) 
[ 1829.911108][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4459) 
[ 1829.911397][ C3] __dev_queue_xmit (net/core/dev.c:4460) 
[ 1829.911576][ C3] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 1829.911756][ C3] ? ip_finish_output2 (./include/net/neighbour.h:540 net/ipv4/ip_output.c:236) 
[ 1829.911932][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 1829.912221][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 1829.912399][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4341) 
[ 1829.912578][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4321) 
[ 1829.912864][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 1829.913086][ C3] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:757 ./include/net/neighbour.h:496) 
[ 1829.913268][ C3] ip_finish_output2 (./include/net/neighbour.h:540 net/ipv4/ip_output.c:236) 
[ 1829.913452][ C3] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:200) 
[ 1829.913630][ C3] ? __ip_finish_output (./include/linux/skbuff.h:1669 ./include/linux/skbuff.h:5010 net/ipv4/ip_output.c:308 net/ipv4/ip_output.c:296) 
[ 1829.913910][ C3] __ip_queue_xmit (net/ipv4/ip_output.c:536 (discriminator 4)) 
[ 1829.914092][ C3] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1605 (discriminator 4)) 
[ 1829.914276][ C3] __tcp_transmit_skb (net/ipv4/tcp_output.c:1466 (discriminator 4)) 
[ 1829.914466][ C3] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1287) 
[ 1829.914655][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4321) 
[ 1829.914939][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 1829.915176][ C3] ? tcp_small_queue_check.isra.0 (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:136 net/ipv4/tcp_output.c:2631) 
[ 1829.915398][ C3] tcp_write_xmit (net/ipv4/tcp_output.c:2830) 
[ 1829.915687][ C3] ? tcp_current_mss (./include/net/dst.h:216 net/ipv4/tcp_output.c:1872) 
[ 1829.915872][ C3] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1861) 
[ 1829.916065][ C3] ? __alloc_skb (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:125 net/core/skbuff.c:702) 
[ 1829.916244][ C3] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2739) 
[ 1829.916423][ C3] ? tcp_set_state (net/ipv4/tcp.c:2870 (discriminator 53)) 
[ 1829.916697][ C3] ? __pfx_tcp_set_state (net/ipv4/tcp.c:2870) 
[ 1829.916866][ C3] __tcp_push_pending_frames (net/ipv4/tcp_output.c:3015) 
[ 1829.917151][ C3] inet_shutdown (net/ipv4/af_inet.c:925) 
[ 1829.917334][ C3] ? sockfd_lookup_light (net/socket.c:557) 
[ 1829.917513][ C3] __sys_shutdown (net/socket.c:2448 net/socket.c:2460) 
[ 1829.917798][ C3] ? __pfx___sys_shutdown (net/socket.c:2454) 
[ 1829.917963][ C3] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1023) 
[ 1829.918171][ C3] __x64_sys_shutdown (net/socket.c:2466) 
[ 1829.918438][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1829.918603][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1829.918807][    C3] RIP: 0033:0x7f8f33226beb
[ 1829.918978][ C3] Code: 73 01 c3 48 8b 0d 15 92 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 30 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e5 91 1b 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 15 92 1b 00 	mov    0x1b9215(%rip),%rcx        # 0x1b921f
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 30 00 00 00       	mov    $0x30,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d e5 91 1b 00 	mov    0x1b91e5(%rip),%rcx        # 0x1b921f
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d e5 91 1b 00 	mov    0x1b91e5(%rip),%rcx        # 0x1b91f5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[ 1829.919551][    C3] RSP: 002b:00007ffd823f5608 EFLAGS: 00000202 ORIG_RAX: 0000000000000030
[ 1829.919909][    C3] RAX: ffffffffffffffda RBX: 00005636628cf610 RCX: 00007f8f33226beb
[ 1829.920260][    C3] RDX: 0000000000000008 RSI: 0000000000000002 RDI: 0000000000000008
[ 1829.920505][    C3] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000000
[ 1829.920867][    C3] R10: 0000000000000000 R11: 0000000000000202 R12: ffffffffffffffff
[ 1829.921114][    C3] R13: 0000000000000000 R14: 000056363940810e R15: 0000000000000001
| [ 1829.939868][    C3] Disabling lock debugging due to kernel taint
| [ 1831.883171][    C0] Oops: general protection fault, probably for non-canonical address 0xf9999599999999e1: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [ 1831.883679][    C0] KASAN: maybe wild-memory-access in range [0xcccccccccccccf08-0xcccccccccccccf0f]
| [ 1831.884324][    C0] Tainted: [B]=BAD_PAGE
[ 1831.884467][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1831.884893][ C0] RIP: 0010:xfrm_sk_policy_lookup (net/xfrm/xfrm_policy.c:2218) 
[ 1831.885136][ C0] Code: 48 89 44 24 18 0f b7 44 24 06 89 44 24 28 e9 a9 01 00 00 4d 85 ed 0f 84 2f 02 00 00 49 8d bd 3e 02 00 00 48 89 f8 48 c1 e8 03 <0f> b6 14 18 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 8c
All code
========
   0:	48 89 44 24 18       	mov    %rax,0x18(%rsp)
   5:	0f b7 44 24 06       	movzwl 0x6(%rsp),%eax
   a:	89 44 24 28          	mov    %eax,0x28(%rsp)
   e:	e9 a9 01 00 00       	jmp    0x1bc
  13:	4d 85 ed             	test   %r13,%r13
  16:	0f 84 2f 02 00 00    	je     0x24b
  1c:	49 8d bd 3e 02 00 00 	lea    0x23e(%r13),%rdi
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
  2a:*	0f b6 14 18          	movzbl (%rax,%rbx,1),%edx		<-- trapping instruction
  2e:	48 89 f8             	mov    %rdi,%rax
  31:	83 e0 07             	and    $0x7,%eax
  34:	83 c0 01             	add    $0x1,%eax
  37:	38 d0                	cmp    %dl,%al
  39:	7c 08                	jl     0x43
  3b:	84 d2                	test   %dl,%dl
  3d:	0f                   	.byte 0xf
  3e:	85                   	.byte 0x85
  3f:	8c                   	.byte 0x8c

Code starting with the faulting instruction
===========================================
   0:	0f b6 14 18          	movzbl (%rax,%rbx,1),%edx
   4:	48 89 f8             	mov    %rdi,%rax
   7:	83 e0 07             	and    $0x7,%eax
   a:	83 c0 01             	add    $0x1,%eax
   d:	38 d0                	cmp    %dl,%al
   f:	7c 08                	jl     0x19
  11:	84 d2                	test   %dl,%dl
  13:	0f                   	.byte 0xf
  14:	85                   	.byte 0x85
  15:	8c                   	.byte 0x8c
[ 1831.885786][    C0] RSP: 0018:ffffc90000006a80 EFLAGS: 00010a06
[ 1831.886027][    C0] RAX: 19999999999999e1 RBX: dffffc0000000000 RCX: ffffffff9d3174b8
[ 1831.886312][    C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: cccccccccccccf0a
[ 1831.886585][    C0] RBP: ffff8880146f1e50 R08: 0000000000000000 R09: 0000000000000000
[ 1831.886858][    C0] R10: ffffffff9f37388f R11: dffffc0000000000 R12: 0000000000000000
[ 1831.887132][    C0] R13: cccccccccccccccc R14: ffff8880146f1e50 R15: ffffc90000006c70
[ 1831.887408][    C0] FS:  00007f8f33198740(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 1831.887726][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1831.887975][    C0] CR2: 00005636628d5b88 CR3: 0000000002592003 CR4: 0000000000772ef0
[ 1831.888256][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1831.888535][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1831.888805][    C0] PKRU: 55555554
[ 1831.888960][    C0] Call Trace:
[ 1831.889109][    C0]  <IRQ>
[ 1831.889206][ C0] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460) 
[ 1831.889356][ C0] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693) 
[ 1831.889546][ C0] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617) 
[ 1831.889731][ C0] ? xfrm_sk_policy_lookup (net/xfrm/xfrm_policy.c:2213) 
[ 1831.889922][ C0] ? xfrm_sk_policy_lookup (net/xfrm/xfrm_policy.c:2218) 
[ 1831.890106][ C0] ? __pfx_xfrm_sk_policy_lookup (net/xfrm/xfrm_policy.c:2208) 
[ 1831.890340][ C0] xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3147) 
[ 1831.890546][ C0] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3132) 
[ 1831.890794][ C0] ? l4proto_manip_pkt (./include/net/checksum.h:167 net/netfilter/nf_nat_proto.c:216 net/netfilter/nf_nat_proto.c:342) nf_nat
[ 1831.891043][ C0] nf_xfrm_me_harder (net/netfilter/nf_nat_proto.c:684) nf_nat
[ 1831.891247][ C0] ? __pfx_nf_xfrm_me_harder (net/netfilter/nf_nat_proto.c:664) nf_nat
[ 1831.891492][ C0] ? nft_do_chain_ipv4 (net/netfilter/nft_chain_filter.c:17) nf_tables
[ 1831.891765][ C0] ? __pfx_nft_do_chain_ipv4 (net/netfilter/nft_chain_filter.c:17) nf_tables
[ 1831.892024][ C0] nf_nat_ipv4_out (net/netfilter/nf_nat_proto.c:783 net/netfilter/nf_nat_proto.c:755) nf_nat
[ 1831.892209][ C0] ? __pfx_nf_nat_ipv4_out (net/netfilter/nf_nat_proto.c:757) nf_nat
[ 1831.892435][ C0] nf_hook_slow (./include/linux/netfilter.h:154 net/netfilter/core.c:626) 
[ 1831.892619][ C0] nf_hook (./include/linux/netfilter.h:269) 
[ 1831.892763][ C0] ? __pfx_ip_finish_output (net/ipv4/ip_output.c:318) 
[ 1831.892944][ C0] ? __pfx_nf_hook (./include/linux/netfilter.h:227) 
[ 1831.893129][ C0] ? __pfx_ip_finish_output (net/ipv4/ip_output.c:318) 
[ 1831.893314][ C0] ? nf_nat_ipv4_local_fn (net/netfilter/nf_nat_proto.c:801) nf_nat
[ 1831.893540][ C0] ip_output (./include/linux/netfilter.h:301 net/ipv4/ip_output.c:434) 
[ 1831.893676][ C0] ? __pfx_ip_finish_output (net/ipv4/ip_output.c:318) 
[ 1831.893864][ C0] vrf_ip_local_out (./include/net/dst.h:450 drivers/net/vrf.c:501) 
[ 1831.894047][ C0] ? __pfx_vrf_ip_local_out (drivers/net/vrf.c:493) 
[ 1831.894226][ C0] ? hpet_cpuhp_online (arch/x86/kernel/hpet.c:638 arch/x86/kernel/hpet.c:659 arch/x86/kernel/hpet.c:688) 
[ 1831.894410][ C0] ? __pfx_dst_output (./include/net/dst.h:449) 
[ 1831.894604][ C0] vrf_process_v4_outbound (drivers/net/vrf.c:553) 
[ 1831.894788][ C0] ? __pfx_vrf_process_v4_outbound (drivers/net/vrf.c:508) 
[ 1831.895019][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:27 (discriminator 1)) 
[ 1831.895206][ C0] vrf_xmit (drivers/net/vrf.c:570 drivers/net/vrf.c:584) 
[ 1831.895350][ C0] dev_hard_start_xmit (./include/linux/netdevice.h:4920 ./include/linux/netdevice.h:4929 net/core/dev.c:3588 net/core/dev.c:3604) 
[ 1831.895535][ C0] sch_direct_xmit (net/sched/sch_generic.c:343) 
[ 1831.895722][ C0] ? __pfx_sch_direct_xmit (net/sched/sch_generic.c:318) 
[ 1831.895901][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1831.896087][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1831.896262][ C0] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1831.896451][ C0] ? __dev_xmit_skb (net/core/dev.c:3862) 
[ 1831.896636][ C0] __dev_xmit_skb (net/core/dev.c:3875) 
[ 1831.896827][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1831.897028][ C0] ? __pfx___dev_xmit_skb (net/core/dev.c:3800) 
[ 1831.897317][ C0] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:901 net/core/dev.c:4357) 
[ 1831.897526][ C0] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1831.897707][ C0] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:901 net/core/dev.c:4357) 
[ 1831.897896][ C0] __dev_queue_xmit (net/core/dev.c:4398) 
[ 1831.898186][ C0] ? __pfx___alloc_skb (net/core/skbuff.c:651) 
[ 1831.898384][ C0] ? __pfx_nft_do_chain_ipv4 (net/netfilter/nft_chain_filter.c:17) nf_tables
[ 1831.898768][ C0] ? __pfx_nf_confirm (net/netfilter/nf_conntrack_proto.c:137) nf_conntrack
[ 1831.899137][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4341) 
[ 1831.899341][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 1831.899526][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1831.899878][ C0] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:757 ./include/net/neighbour.h:496) 
[ 1831.900063][ C0] ? vrf_finish_output (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 drivers/net/vrf.c:862) 
[ 1831.900255][ C0] vrf_finish_output (./include/net/neighbour.h:540 drivers/net/vrf.c:870) 
[ 1831.900445][ C0] ? __pfx_vrf_finish_output (drivers/net/vrf.c:843) 
[ 1831.900744][ C0] ? __pfx_vrf_finish_output (drivers/net/vrf.c:843) 
[ 1831.901045][ C0] ? vrf_output (./include/linux/netfilter.h:301 drivers/net/vrf.c:889) 
[ 1831.901236][ C0] ip_push_pending_frames (./include/net/dst.h:450 ./include/net/dst.h:448 net/ipv4/ip_output.c:130 net/ipv4/ip_output.c:1505 net/ipv4/ip_output.c:1525) 
[ 1831.901419][ C0] ip_send_unicast_reply (./include/net/route.h:266 net/ipv4/ip_output.c:1675) 
[ 1831.901714][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1831.901890][ C0] ? __pfx_ip_send_unicast_reply (net/ipv4/ip_output.c:1605) 
[ 1831.902232][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1831.902399][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 1831.902691][ C0] ? lock_timer_base (kernel/time/timer.c:1051) 
[ 1831.902866][ C0] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1831.903033][ C0] ? lock_timer_base (kernel/time/timer.c:1051) 
[ 1831.903202][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1831.903484][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 1831.903769][ C0] tcp_v4_send_ack.constprop.0 (./include/net/net_namespace.h:380 ./include/net/sock.h:661 net/ipv4/tcp_ipv4.c:1030) 
[ 1831.904000][ C0] ? __pfx_tcp_v4_send_ack.constprop.0 (net/ipv4/tcp_ipv4.c:933) 
[ 1831.904334][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 1831.904508][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:1086 net/ipv4/tcp_ipv4.c:2427) 
[ 1831.904689][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:1086 net/ipv4/tcp_ipv4.c:2427) 
[ 1831.904975][ C0] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2177) 
[ 1831.905159][ C0] ? nf_hook.constprop.0 (./include/linux/netfilter.h:223) 
[ 1831.905332][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1831.905613][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) 
[ 1831.905783][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6113) 
[ 1831.905957][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234) 
[ 1831.906141][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6113) 
[ 1831.906327][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 1831.906508][ C0] __netif_receive_skb_one_core (net/core/dev.c:5670 (discriminator 4)) 
[ 1831.906738][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5663) 
[ 1831.907070][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6113) 
[ 1831.907237][ C0] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1831.907409][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6113) 
[ 1831.907578][ C0] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6116) 
[ 1831.907746][ C0] __napi_poll.constprop.0 (net/core/dev.c:6779) 
[ 1831.908033][ C0] net_rx_action (net/core/dev.c:6848 net/core/dev.c:6970) 
[ 1831.908206][ C0] ? __pfx_net_rx_action (net/core/dev.c:6932) 
[ 1831.908484][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1831.908653][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 1831.908935][ C0] ? _nohz_idle_balance.isra.0 (./include/linux/find.h:487 kernel/sched/fair.c:12558) 
[ 1831.909258][ C0] ? kvm_sched_clock_read (arch/x86/kernel/kvmclock.c:91) 
[ 1831.909549][ C0] ? sched_clock (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/tsc.c:285) 
[ 1831.909717][ C0] ? sched_clock_cpu (kernel/sched/clock.c:394) 
[ 1831.910004][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 1831.910188][ C0] ? tick_nohz_start_idle (kernel/time/tick-sched.c:750) 
[ 1831.910365][ C0] handle_softirqs (kernel/softirq.c:554) 
[ 1831.910540][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4459) 
[ 1831.910821][ C0] do_softirq (kernel/softirq.c:455 kernel/softirq.c:442) 
[ 1831.910950][    C0]  </IRQ>
[ 1831.911037][    C0]  <TASK>
[ 1831.911122][ C0] __local_bh_enable_ip (kernel/softirq.c:382) 
[ 1831.911292][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4459) 
[ 1831.911478][ C0] __dev_queue_xmit (net/core/dev.c:4460) 
[ 1831.911761][ C0] ? __kernel_text_address (kernel/extable.c:79) 
[ 1831.912062][ C0] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 1831.912252][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 1831.912463][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 1831.912749][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4341) 
[ 1831.913027][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 1831.913197][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1831.913415][ C0] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:757 ./include/net/neighbour.h:496) 
[ 1831.913706][ C0] ? ip_finish_output2 (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/ip_output.c:229) 
[ 1831.913876][ C0] ip_finish_output2 (./include/net/neighbour.h:540 net/ipv4/ip_output.c:236) 
[ 1831.914168][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5838) 
[ 1831.914337][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1831.914635][ C0] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:200) 
[ 1831.914804][ C0] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349) 
[ 1831.914986][ C0] ? __ip_finish_output (./include/linux/skbuff.h:1669 ./include/linux/skbuff.h:5010 net/ipv4/ip_output.c:308 net/ipv4/ip_output.c:296) 
[ 1831.915154][ C0] __ip_queue_xmit (net/ipv4/ip_output.c:536 (discriminator 4)) 
[ 1831.915439][ C0] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1605 (discriminator 4)) 
[ 1831.915608][ C0] __tcp_transmit_skb (net/ipv4/tcp_output.c:1466 (discriminator 4)) 
[ 1831.915927][ C0] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1287) 
[ 1831.916097][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1831.916440][ C0] ? tcp_small_queue_check.isra.0 (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:136 net/ipv4/tcp_output.c:2631) 
[ 1831.916650][ C0] tcp_write_xmit (net/ipv4/tcp_output.c:2830) 
[ 1831.916822][ C0] ? tcp_current_mss (./include/net/dst.h:216 net/ipv4/tcp_output.c:1872) 
[ 1831.916998][ C0] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1861) 
[ 1831.917166][ C0] ? __alloc_skb (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:125 net/core/skbuff.c:702) 
[ 1831.917337][ C0] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2739) 
[ 1831.917615][ C0] ? tcp_set_state (net/ipv4/tcp.c:2870 (discriminator 53)) 
[ 1831.917783][ C0] ? __pfx_tcp_set_state (net/ipv4/tcp.c:2870) 
[ 1831.917956][ C0] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1831.918237][ C0] ? lock_sock_nested (./include/net/sock.h:1723 net/core/sock.c:3623) 
[ 1831.918408][ C0] __tcp_push_pending_frames (net/ipv4/tcp_output.c:3015) 
[ 1831.918578][ C0] inet_shutdown (net/ipv4/af_inet.c:925) 
[ 1831.918862][ C0] ? sockfd_lookup_light (net/socket.c:557) 
[ 1831.919035][ C0] __sys_shutdown (net/socket.c:2448 net/socket.c:2460) 
[ 1831.919315][ C0] ? __pfx___sys_shutdown (net/socket.c:2454) 
[ 1831.919483][ C0] ? audit_reset_context.part.0.constprop.0 (./include/linux/list.h:373 kernel/auditsc.c:1023) 
[ 1831.919695][ C0] __x64_sys_shutdown (net/socket.c:2466) 
[ 1831.919866][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1831.920145][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1831.920358][    C0] RIP: 0033:0x7f8f33226beb
[ 1831.920530][ C0] Code: 73 01 c3 48 8b 0d 15 92 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 30 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e5 91 1b 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 15 92 1b 00 	mov    0x1b9215(%rip),%rcx        # 0x1b921f
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 30 00 00 00       	mov    $0x30,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d e5 91 1b 00 	mov    0x1b91e5(%rip),%rcx        # 0x1b921f
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d e5 91 1b 00 	mov    0x1b91e5(%rip),%rcx        # 0x1b91f5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[ 1831.921264][    C0] RSP: 002b:00007ffd823f5608 EFLAGS: 00000202 ORIG_RAX: 0000000000000030
[ 1831.921661][    C0] RAX: ffffffffffffffda RBX: 00005636628cf610 RCX: 00007f8f33226beb
[ 1831.922069][    C0] RDX: 0000000000000008 RSI: 0000000000000002 RDI: 0000000000000008
[ 1831.922341][    C0] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000000
[ 1831.922610][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: ffffffffffffffff


Finger prints:
xfrm_sk_policy_lookup:xfrm_lookup_with_ifid:nf_xfrm_me_harder:nf_nat_ipv4_out:nf_hook_slow
print_report:kasan_report:xfrm_lookup_with_ifid:nf_xfrm_me_harder:nf_nat_ipv4_out