======================================
| 0
| xx__-> [    8.100760][    C1] ------------[ cut here ]------------
| [    8.100966][    C1] WARNING: ./include/linux/skbuff.h:3239 at ip_icmp_error_rfc4884+0x42a/0x730, CPU#1: icmp_rfc4884/187
| [    8.101235][    C1] Modules linked in:
[    8.101586][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.101791][    C1] RIP: 0010:ip_icmp_error_rfc4884 (./include/linux/skbuff.h:3239 (discriminator 3) net/ipv4/icmp.c:1584 (discriminator 3))
[    8.101957][    C1] Code: 03 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 c2 02 00 00 41 80 4a 02 01 48 8b ac 24 b8 00 00 00 e9 40 fd ff ff 90 <0f> 0b 90 e9 de fc ff ff 90 0f 0b 90 e9 78 fc ff ff 89 54 24 18 4c
All code
========
   0:	03 0f                	add    (%rdi),%ecx
   2:	b6 04                	mov    $0x4,%dh
   4:	02 48 89             	add    -0x77(%rax),%cl
   7:	fa                   	cli
   8:	83 e2 07             	and    $0x7,%edx
   b:	38 d0                	cmp    %dl,%al
   d:	7f 08                	jg     0x17
   f:	84 c0                	test   %al,%al
  11:	0f 85 c2 02 00 00    	jne    0x2d9
  17:	41 80 4a 02 01       	orb    $0x1,0x2(%r10)
  1c:	48 8b ac 24 b8 00 00 	mov    0xb8(%rsp),%rbp
  23:	00 
  24:	e9 40 fd ff ff       	jmp    0xfffffffffffffd69
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 de fc ff ff       	jmp    0xfffffffffffffd10
  32:	90                   	nop
  33:	0f 0b                	ud2
  35:	90                   	nop
  36:	e9 78 fc ff ff       	jmp    0xfffffffffffffcb3
  3b:	89 54 24 18          	mov    %edx,0x18(%rsp)
  3f:	4c                   	rex.WR

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 de fc ff ff       	jmp    0xfffffffffffffce6
   8:	90                   	nop
   9:	0f 0b                	ud2
   b:	90                   	nop
   c:	e9 78 fc ff ff       	jmp    0xfffffffffffffc89
  11:	89 54 24 18          	mov    %edx,0x18(%rsp)
  15:	4c                   	rex.WR
[    8.102425][    C1] RSP: 0018:ffa00000001d07c8 EFLAGS: 00010282
[    8.102590][    C1] RAX: ffffffffffffffdc RBX: 000000000000005c RCX: dffffc0000000000
[    8.102785][    C1] RDX: 0000000000000008 RSI: 1fe220000196c1aa RDI: ff1100000cb60d48
[    8.103022][    C1] RBP: ff1100000cd50ae4 R08: ff1100000cb60c80 R09: 1ff400000003a0ff
[    8.103215][    C1] R10: ff1100000cb60ccc R11: ff1100000cb60d50 R12: ff110000058eac00
[    8.103406][    C1] R13: ff1100000cb60ccc R14: ff1100000cb60d36 R15: ff1100000cb60d50
[    8.103596][    C1] FS:  00007f0655a89740(0000) GS:ff110000bdb54000(0000) knlGS:0000000000000000
[    8.103828][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.103994][    C1] CR2: 00007f0655bf12c0 CR3: 000000000619a003 CR4: 0000000000771ef0
[    8.104187][    C1] PKRU: 55555554
[    8.104282][    C1] Call Trace:
[    8.104377][    C1]  <IRQ>
[    8.104443][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.104576][    C1]  ? __create_object (mm/kmemleak.c:786)
[    8.104710][    C1]  ? trace_kmem_cache_alloc (./include/trace/events/kmem.h:12 (discriminator 24))
[    8.104837][    C1]  ? icmp_rcv (net/ipv4/icmp.c:1580)
[    8.104933][    C1]  ? __copy_skb_header (./arch/x86/include/asm/atomic.h:79 (discriminator 2) ./include/linux/atomic/atomic-arch-fallback.h:2401 (discriminator 2) ./include/linux/atomic/atomic-instrumented.h:1476 (discriminator 2) ./include/linux/rcuref.h:87 (discriminator 2) ./include/net/dst.h:247 (discriminator 2) ./include/net/dst.h:261 (discriminator 2) ./include/net/dst.h:294 (discriminator 2) ./include/net/dst.h:299 (discriminator 2) net/core/skbuff.c:1553 (discriminator 2))
[    8.105072][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:105 (discriminator 3))
[    8.105202][    C1]  ? __skb_clone (./arch/x86/include/asm/atomic.h:53 ./include/linux/atomic/atomic-arch-fallback.h:992 ./include/linux/atomic/atomic-instrumented.h:436 net/core/skbuff.c:1624)
[    8.105329][    C1]  ip_icmp_error (./include/linux/skbuff.h:3092 net/ipv4/ip_sockglue.c:437)
[    8.105457][    C1]  udp_err (net/ipv4/udp.c:998)
[    8.105562][    C1]  icmp_unreach (net/ipv4/icmp.c:1196)
[    8.105695][    C1]  ? __skb_checksum_complete (./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:170 ./include/linux/skbuff.h:2112 net/core/skbuff.c:3785)
[    8.105822][    C1]  icmp_rcv (net/ipv4/icmp.c:1525 (discriminator 1))
[    8.105918][    C1]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:209)
[    8.106046][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6671 (discriminator 2))
[    8.106182][    C1]  ip_local_deliver_finish (./include/linux/rcupdate.h:867 net/ipv4/ip_input.c:242)
[    8.106307][    C1]  ? filter_irq_stacks (kernel/stacktrace.c:114)
[    8.106434][    C1]  ip_local_deliver (net/ipv4/ip_input.c:259)
[    8.106560][    C1]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:251)
[    8.106695][    C1]  ? ip_rcv_finish_core (./include/net/net_namespace.h:419 (discriminator 7) ./include/linux/netdevice.h:2747 (discriminator 7) net/ipv4/ip_input.c:414 (discriminator 7))
[    8.106820][    C1]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 2))
[    8.106948][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6671 (discriminator 2))
[    8.107073][    C1]  ip_rcv (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:612)
[    8.107173][    C1]  ? ip_local_deliver (net/ipv4/ip_input.c:605)
[    8.107298][    C1]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 3) kernel/locking/lockdep.c:3821 (discriminator 3) kernel/locking/lockdep.c:3876 (discriminator 3))
[    8.107425][    C1]  ? mark_usage (kernel/locking/lockdep.c:4674 (discriminator 1))
[    8.107550][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.107684][    C1]  __netif_receive_skb_one_core (net/core/dev.c:6202)
[    8.107839][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:5870 (discriminator 2))
[    8.107964][    C1]  ? __netif_receive_skb_list_core (net/core/dev.c:6202)
[    8.108121][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.108261][    C1]  process_backlog (./include/linux/rcupdate.h:867 net/core/dev.c:6674)
[    8.108392][    C1]  __napi_poll (net/core/dev.c:7737)
[    8.108487][    C1]  net_rx_action (net/core/dev.c:7800 net/core/dev.c:7957)
[    8.108616][    C1]  ? __napi_poll (net/core/dev.c:7919)
[    8.108748][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[    8.108874][    C1]  ? irqentry_exit (./include/linux/irq-entry-common.h:516 ./include/linux/irq-entry-common.h:550 kernel/entry/common.c:164)
[    8.109000][    C1]  ? irqentry_exit (./include/linux/irq-entry-common.h:516 ./include/linux/irq-entry-common.h:550 kernel/entry/common.c:164)
[    8.109128][    C1]  ? handle_softirqs (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:606)
[    8.109265][    C1]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
[    8.109391][    C1]  ? _local_bh_enable (kernel/softirq.c:580)
[    8.109515][    C1]  ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.109641][    C1]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 4) kernel/locking/spinlock.c:190 (discriminator 4))
[    8.109781][    C1]  do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[    8.109876][    C1]  </IRQ>
[    8.109941][    C1]  <TASK>
[    8.110003][    C1]  ? __dev_queue_xmit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:909 (discriminator 2) net/core/dev.c:4905 (discriminator 2))
[    8.110128][    C1]  __local_bh_enable_ip (kernel/softirq.c:450)
[    8.110257][    C1]  __dev_queue_xmit (net/core/dev.c:4906)
[    8.110382][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.110511][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[    8.110640][    C1]  ? netdev_core_pick_tx (net/core/dev.c:4767)
[    8.110770][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:105 (discriminator 3))
[    8.110899][    C1]  ? eth_header (net/ethernet/eth.c:100)
[    8.111028][    C1]  ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3458 net/core/neighbour.c:1614)
[    8.111190][    C1]  ip_finish_output2 (./include/net/neighbour.h:556 (discriminator 3) net/ipv4/ip_output.c:237 (discriminator 3))
[    8.111318][    C1]  ? ip_dst_mtu_maybe_forward (./include/net/ip.h:469)
[    8.111444][    C1]  ? ip4_dst_hoplimit (net/ipv4/ip_output.c:201)
[    8.111571][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.111705][    C1]  ip_output (./include/linux/netfilter.h:307 net/ipv4/ip_output.c:438)
[    8.111802][    C1]  ? ip_finish_output (net/ipv4/ip_output.c:429)
[    8.111926][    C1]  ? __ip_make_skb (net/ipv4/ip_output.c:1389 net/ipv4/ip_output.c:1499)
[    8.112054][    C1]  ip_push_pending_frames (net/ipv4/ip_output.c:1509 net/ipv4/ip_output.c:1528)
[    8.112184][    C1]  raw_sendmsg (net/ipv4/raw.c:660)
[    8.112312][    C1]  ? filemap_map_pages (mm/filemap.c:3946 (discriminator 3))
[    8.112439][    C1]  ? raw_send_hdrinc (net/ipv4/raw.c:484)
[    8.112565][    C1]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 4) kernel/rcu/tree.c:4032 (discriminator 4))
[    8.112733][    C1]  ? filemap_map_folio_range (mm/filemap.c:3873)
[    8.112863][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:5870 (discriminator 2))
[    8.112988][    C1]  ? __might_fault (mm/memory.c:7230 (discriminator 6))
[    8.113117][    C1]  ? __might_fault (mm/memory.c:7230 (discriminator 6))
[    8.113245][    C1]  ? __might_fault (mm/memory.c:7230 (discriminator 6))
[    8.113371][    C1]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.113499][    C1]  ? __ia32_sys_getpeername (net/socket.c:2232)
[    8.113639][    C1]  ? 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:1480 arch/x86/mm/fault.c:1527)
[    8.113771][    C1]  __x64_sys_sendto (net/socket.c:2272 (discriminator 1) net/socket.c:2268 (discriminator 1) net/socket.c:2268 (discriminator 1))
[    8.113903][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 24))
[    8.114059][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[    8.114191][    C1]  ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:187 arch/x86/entry/syscall_64.c:89)
[    8.114325][    C1]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[    8.114450][    C1]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:106 (discriminator 9))
[    8.114575][    C1]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.114706][    C1]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[    8.114862][    C1] RIP: 0033:0x7f0655afc22e
[    8.114998][    C1] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.115453][    C1] RSP: 002b:00007ffd73bc0800 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.115646][    C1] RAX: ffffffffffffffda RBX: 0000000000404ae0 RCX: 00007f0655afc22e
[    8.115845][    C1] RDX: 0000000000000070 RSI: 00007ffd73bc08f0 RDI: 0000000000000006
[    8.116033][    C1] RBP: 00007ffd73bc0810 R08: 00007ffd73bc0890 R09: 0000000000000010
[    8.116240][    C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000070


Finger prints:
ip_icmp_error_rfc4884:ip_icmp_error:udp_err:icmp_unreach:icmp_rcv