netlink: 'syz-executor154': attribute type 4 has an invalid length.
Unable to handle kernel paging request at virtual address dfff800000000003
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff800000000003] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 6238 Comm: syz-executor154 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : nf_tproxy_laddr4+0xc8/0x368 net/ipv4/netfilter/nf_tproxy_ipv4.c:62
lr : __in_dev_get_rcu include/linux/inetdevice.h:235 [inline]
lr : nf_tproxy_laddr4+0xb8/0x368 net/ipv4/netfilter/nf_tproxy_ipv4.c:60
sp : ffff8000a0976870
x29: ffff8000a0976870 x28: ffff70001412ed2c x27: ffff0000ce925000
x26: ffff0000ce925010 x25: 0000000000000000 x24: 1fffe0001a927431
x23: dfff800000000000 x22: dfff800000000000 x21: 0000000000000000
x20: 0000000000000018 x19: 0000000000000000 x18: 000000000000004f
x17: ffff800080607a98 x16: ffff8000805519dc x15: 0000000000000002
x14: 0000000000000000 x13: 0000000000000011 x12: dfff800000000000
x11: 000000000a95da21 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 0000000000000003 x7 : ffff0000c4771ed0 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000004e20 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 nf_tproxy_laddr4+0xc8/0x368 net/ipv4/netfilter/nf_tproxy_ipv4.c:62
 nft_tproxy_eval_v4 net/netfilter/nft_tproxy.c:56 [inline]
 nft_tproxy_eval+0x8e4/0x14b0 net/netfilter/nft_tproxy.c:168
 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
 nft_do_chain+0x408/0x1498 net/netfilter/nf_tables_core.c:288
 nft_do_chain_inet+0x31c/0x528 net/netfilter/nft_chain_filter.c:161
 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
 nf_hook_slow net/netfilter/core.c:626 [inline]
 nf_hook_slow_list+0x218/0x564 net/netfilter/core.c:665
 NF_HOOK_LIST include/linux/netfilter.h:350 [inline]
 ip_sublist_rcv+0xb38/0xc3c net/ipv4/ip_input.c:637
 ip_list_rcv+0x3ec/0x440 net/ipv4/ip_input.c:674
 __netif_receive_skb_list_ptype net/core/dev.c:5587 [inline]
 __netif_receive_skb_list_core+0x5cc/0x754 net/core/dev.c:5635
 __netif_receive_skb_list net/core/dev.c:5687 [inline]
 netif_receive_skb_list_internal+0x844/0xb34 net/core/dev.c:5779
 netif_receive_skb_list+0x64/0x660 net/core/dev.c:5831
 xdp_recv_frames net/bpf/test_run.c:278 [inline]
 xdp_test_run_batch net/bpf/test_run.c:356 [inline]
 bpf_test_run_xdp_live+0x14d0/0x1924 net/bpf/test_run.c:384
 bpf_prog_test_run_xdp+0x6a8/0xfc0 net/bpf/test_run.c:1267
 bpf_prog_test_run+0x2dc/0x364 kernel/bpf/syscall.c:4269
 __sys_bpf+0x314/0x5f0 kernel/bpf/syscall.c:5678
 __do_sys_bpf kernel/bpf/syscall.c:5767 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5765 [inline]
 __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5765
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: 14000002 979476d5 910062b4 d343fe88 (38776908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	14000002 	b	0x8
   4:	979476d5 	bl	0xfffffffffe51db58
   8:	910062b4 	add	x20, x21, #0x18
   c:	d343fe88 	lsr	x8, x20, #3
* 10:	38776908 	ldrb	w8, [x8, x23] <-- trapping instruction