======================================
| [   88.105427][  T782] Mirror/redirect action on
| [   90.340184][    C0] ------------[ cut here ]------------
| [   90.340533][    C0] kernel BUG at net/core/skbuff.c:3505!
| [   90.340714][    C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
[   90.341131][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 90.341464][ C0] RIP: 0010:__skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 90.341628][ C0] Code: 44 89 14 24 ff d0 0f 1f 00 4c 8b 44 24 08 44 8b 14 24 41 89 c1 eb a5 89 e8 e9 2d fe ff ff 41 ff d5 0f 1f 00 e9 1f fa ff ff 90 <0f> 0b 48 8b 7c 24 10 89 54 24 48 48 89 44 24 40 e8 e7 53 8d fe 8b
All code
========
   0:	44 89 14 24          	mov    %r10d,(%rsp)
   4:	ff d0                	call   *%rax
   6:	0f 1f 00             	nopl   (%rax)
   9:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
   e:	44 8b 14 24          	mov    (%rsp),%r10d
  12:	41 89 c1             	mov    %eax,%r9d
  15:	eb a5                	jmp    0xffffffffffffffbc
  17:	89 e8                	mov    %ebp,%eax
  19:	e9 2d fe ff ff       	jmp    0xfffffffffffffe4b
  1e:	41 ff d5             	call   *%r13
  21:	0f 1f 00             	nopl   (%rax)
  24:	e9 1f fa ff ff       	jmp    0xfffffffffffffa48
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	48 8b 7c 24 10       	mov    0x10(%rsp),%rdi
  31:	89 54 24 48          	mov    %edx,0x48(%rsp)
  35:	48 89 44 24 40       	mov    %rax,0x40(%rsp)
  3a:	e8 e7 53 8d fe       	call   0xfffffffffe8d5426
  3f:	8b                   	.byte 0x8b

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	48 8b 7c 24 10       	mov    0x10(%rsp),%rdi
   7:	89 54 24 48          	mov    %edx,0x48(%rsp)
   b:	48 89 44 24 40       	mov    %rax,0x40(%rsp)
  10:	e8 e7 53 8d fe       	call   0xfffffffffe8d53fc
  15:	8b                   	.byte 0x8b
[   90.342152][    C0] RSP: 0018:ffffc90000007888 EFLAGS: 00010202
[   90.342339][    C0] RAX: 00000000000066c1 RBX: 0000000000000008 RCX: 1ffff11000a29961
[   90.342561][    C0] RDX: 000000000000008a RSI: dffffc0000000000 RDI: ffff88800514cb08
[   90.342788][    C0] RBP: 00000000000066c1 R08: 0000000000000008 R09: ffffed1000853a49
[   90.343009][    C0] R10: ffff8880031b2988 R11: ffff88800514ca00 R12: 0000000000000008
[   90.343229][    C0] R13: 0000000000000000 R14: ffffc90000007948 R15: ffff8880031b2988
[   90.343455][    C0] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   90.343715][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.343905][    C0] CR2: 00007f8f7619f270 CR3: 0000000004faa001 CR4: 0000000000770ef0
[   90.344128][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   90.344347][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   90.344566][    C0] PKRU: 55555554
[   90.344681][    C0] Call Trace:
[   90.344798][    C0]  <IRQ>
[ 90.344873][ C0] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) 
[ 90.344988][ C0] ? do_trap (arch/x86/kernel/traps.c:113 arch/x86/kernel/traps.c:154) 
[ 90.345100][ C0] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 90.345252][ C0] ? do_error_trap (./arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:175) 
[ 90.345399][ C0] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 90.345547][ C0] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 90.345696][ C0] ? handle_invalid_op (arch/x86/kernel/traps.c:213) 
[ 90.345844][ C0] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 90.345994][ C0] ? exc_invalid_op (arch/x86/kernel/traps.c:265) 
[ 90.346148][ C0] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) 
[ 90.346304][ C0] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 90.346453][ C0] ? __skb_checksum (net/core/skbuff.c:3441 (discriminator 4)) 
[ 90.346603][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 90.346753][ C0] ? 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) 
[ 90.346903][ C0] __skb_checksum_complete (net/core/skbuff.c:3643) 
[ 90.347054][ C0] ? __pfx___skb_checksum_complete (net/core/skbuff.c:3637) 
[ 90.347252][ C0] ? __pfx_csum_partial_ext (./include/net/checksum.h:120) 
[ 90.347404][ C0] ? __pfx_csum_block_add_ext (./include/net/checksum.h:103) 
[ 90.347551][ C0] ? ipv6_raw_deliver (net/ipv6/raw.c:142) 
[ 90.347702][ C0] icmpv6_rcv (./include/linux/skbuff.h:4567 net/ipv6/icmp.c:921) 
[ 90.347852][ C0] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:438 (discriminator 5)) 
[ 90.348004][ C0] ip6_input_finish (./include/linux/rcupdate.h:779 net/ipv6/ip6_input.c:484) 
[ 90.348153][ C0] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:492) 
[ 90.348264][ C0] ? __pfx_ip6_input (net/ipv6/ip6_input.c:491) 
[ 90.348416][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 90.348575][ C0] ? ipv6_rcv (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:783 ./include/linux/netfilter.h:271 ./include/linux/netfilter.h:312 net/ipv6/ip6_input.c:310) 
[ 90.348687][ C0] ipv6_rcv (./include/net/dst.h:460 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:310) 
[ 90.348800][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304) 
[ 90.348957][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 90.349105][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:6051) 
[ 90.349253][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304) 
[ 90.349401][ C0] __netif_receive_skb_one_core (net/core/dev.c:5603) 
[ 90.349586][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5603) 
[ 90.349777][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 90.349924][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:6051) 
[ 90.350074][ C0] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:6053) 
[ 90.350223][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 90.350334][ C0] __napi_poll.constprop.0 (net/core/dev.c:6703) 
[ 90.350483][ C0] net_rx_action (net/core/dev.c:6772 net/core/dev.c:6886) 
[ 90.350632][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 90.350743][ C0] ? __pfx_net_rx_action (net/core/dev.c:6850) 
[ 90.350889][ C0] ? usage_skip (kernel/locking/lockdep.c:2295 kernel/locking/lockdep.c:2263) 
[ 90.351043][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 90.351191][ C0] __do_softirq (kernel/softirq.c:553) 
[ 90.351340][ C0] irq_exit_rcu (kernel/softirq.c:427 kernel/softirq.c:632 kernel/softirq.c:644) 
[ 90.351451][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1076 (discriminator 14)) 
[   90.351601][    C0]  </IRQ>
[   90.351682][    C0]  <TASK>
[ 90.351757][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:649) 
[ 90.351941][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 90.352133][ C0] Code: 10 e8 51 bd 81 fd 48 89 ef e8 79 29 82 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 65 33 f7 4b <74> 0e 5b 5d c3 cc cc cc cc e8 3f 4b a4 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	51                   	push   %rcx
   3:	bd 81 fd 48 89       	mov    $0x8948fd81,%ebp
   8:	ef                   	out    %eax,(%dx)
   9:	e8 79 29 82 fd       	call   0xfffffffffd822987
   e:	81 e3 00 02 00 00    	and    $0x200,%ebx
  14:	75 1d                	jne    0x33
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	75 29                	jne    0x46
  1d:	48 85 db             	test   %rbx,%rbx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d 65 33 f7 4b 	decl   %gs:0x4bf73365(%rip)        # 0x4bf7338f
  2a:*	74 0e                	je     0x3a		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	e8 3f 4b a4 fd       	call   0xfffffffffda44b77
  38:	eb dc                	jmp    0x16
  3a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	74 0e                	je     0x10
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	e8 3f 4b a4 fd       	call   0xfffffffffda44b4d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[   90.352660][    C0] RSP: 0018:ffffc9000052fc98 EFLAGS: 00000286
[   90.352854][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff6e761fe
[   90.353078][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb40c8131
[   90.353299][    C0] RBP: ffff888001041080 R08: 0000000000000001 R09: fffffbfff6e74071
[   90.353523][    C0] R10: ffffffffb73a038f R11: 0000000000001000 R12: ffff88800f8a9000
[   90.353752][    C0] R13: 0000000000000000 R14: ffffc9000052fce8 R15: ffff888006a49000
[ 90.353973][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 90.354158][ C0] qlist_free_all (mm/kasan/quarantine.c:174) 
[ 90.354307][ C0] kasan_quarantine_reduce (./include/linux/srcu.h:285 mm/kasan/quarantine.c:287) 
[ 90.354457][ C0] __kasan_slab_alloc (mm/kasan/common.c:322) 
[ 90.354606][ C0] kmem_cache_alloc (./include/linux/kasan.h:201 mm/slub.c:3813 mm/slub.c:3860 mm/slub.c:3867) 
[ 90.354758][ C0] getname_flags (fs/namei.c:140) 
[ 90.354907][ C0] vfs_fstatat (fs/stat.c:304) 
[ 90.355022][ C0] __do_sys_newfstatat (fs/stat.c:469) 
[ 90.355173][ C0] ? __pfx___do_sys_newfstatat (fs/stat.c:464) 
[ 90.355322][ C0] ? __x64_sys_openat (fs/open.c:1430) 
[ 90.355472][ C0] ? __pfx___x64_sys_openat (fs/open.c:1430) 
[ 90.355619][ C0] ? __pfx_do_faccessat (fs/open.c:463) 
[ 90.355773][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) 
[ 90.355955][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 90.356105][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   90.356289][    C0] RIP: 0033:0x7f8f761cceae
[ 90.356442][ C0] Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 07 00 00 00 0f 1f 80 00 00 00 00 f3 0f 1e fa 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 0b 31 c0 c3 0f 1f 84 00 00 00 00 00 f7 d8 89 05
All code
========
   0:	48 89 f2             	mov    %rsi,%rdx
   3:	b9 00 01 00 00       	mov    $0x100,%ecx
   8:	48 89 fe             	mov    %rdi,%rsi
   b:	bf 9c ff ff ff       	mov    $0xffffff9c,%edi
  10:	e9 07 00 00 00       	jmp    0x1c
  15:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1c:	f3 0f 1e fa          	endbr64
  20:	41 89 ca             	mov    %ecx,%r10d
  23:	b8 06 01 00 00       	mov    $0x106,%eax
  28:	0f 05                	syscall
  2a:*	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax		<-- trapping instruction
  2f:	77 0b                	ja     0x3c
  31:	31 c0                	xor    %eax,%eax
  33:	c3                   	ret
  34:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
  3b:	00 
  3c:	f7 d8                	neg    %eax
  3e:	89                   	.byte 0x89
  3f:	05                   	.byte 0x5

Code starting with the faulting instruction
===========================================
   0:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   5:	77 0b                	ja     0x12
   7:	31 c0                	xor    %eax,%eax
   9:	c3                   	ret
   a:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
  11:	00 
  12:	f7 d8                	neg    %eax
  14:	89                   	.byte 0x89
  15:	05                   	.byte 0x5
[   90.356975][    C0] RSP: 002b:00007fffde576a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
[   90.357198][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8f761cceae
[   90.357419][    C0] RDX: 00007fffde576b10 RSI: 00007fffde576a40 RDI: 00000000ffffff9c
[   90.357637][    C0] RBP: 00007fffde576bd0 R08: 00000000ffffffff R09: 00007fffde576a40
[   90.357856][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffde576a47


Finger prints:
__skb_checksum:__skb_checksum_complete:icmpv6_rcv:ip6_protocol_deliver_rcu