Unable to handle kernel paging request at virtual address dfff800000000067
KASAN: null-ptr-deref in range [0x0000000000000338-0x000000000000033f]
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
[dfff800000000067] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4405 Comm: kworker/0:7 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: wg-crypt-wg1 wg_packet_tx_worker
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : ip_ignore_linkdown include/linux/inetdevice.h:259 [inline]
pc : fib_lookup_good_nhc+0x84/0x360 net/ipv4/fib_trie.c:1413
lr : fib_lookup_good_nhc+0x60/0x360 net/ipv4/fib_trie.c:1410
sp : ffff800020e172a0
x29: ffff800020e172a0 x28: 0000000000000000 x27: dfff800000000000
x26: 1fffe00019c8e146 x25: dfff800000000000 x24: 1fffe00019ef3f41
x23: 0000000000000338 x22: ffff0000ce470a37 x21: 0000000000000001
x20: ffff800020e179a0 x19: ffff0000ce470a20 x18: ffff800011abbcc0
x17: 1fffe00033ed797e x16: ffff8000082d0e24 x15: 0000000000000000
x14: 0000000000000008 x13: 1ffff00002a180b1 x12: 0000000000ff0100
x11: ff0080001057d49c x10: 0000000000000000 x9 : ffff0000cf4a1bc0
x8 : 0000000000000067 x7 : ffff8000105cde6c x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800020e173f4
x2 : ffff800020e179a0 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 ip_ignore_linkdown include/linux/inetdevice.h:259 [inline]
 fib_lookup_good_nhc+0x84/0x360 net/ipv4/fib_trie.c:1413
 nexthop_get_nhc_lookup+0x19c/0x3c8 include/net/nexthop.h:405
 fib_table_lookup+0xe88/0x1798 net/ipv4/fib_trie.c:1590
 fib4_rule_action+0x1d8/0x300 net/ipv4/fib_rules.c:136
 fib_rules_lookup+0x558/0xa64 net/core/fib_rules.c:318
 __fib_lookup+0xe4/0x1c8 net/ipv4/fib_rules.c:93
 fib_lookup+0x70/0x40c include/net/ip_fib.h:377
 ip_route_output_key_hash_rcu+0x220/0x1e3c net/ipv4/route.c:2784
 ip_route_output_key_hash+0x1a8/0x2ec net/ipv4/route.c:2674
 __ip_route_output_key include/net/route.h:137 [inline]
 ip_route_output_flow+0x3c/0x160 net/ipv4/route.c:2904
 send4+0x37c/0xbc4 drivers/net/wireguard/socket.c:61
 wg_socket_send_skb_to_peer+0xc4/0x1a4 drivers/net/wireguard/socket.c:175
 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline]
 wg_packet_tx_worker+0x19c/0x6c8 drivers/net/wireguard/send.c:276
 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292
 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
Code: 960d652c f9400268 910ce117 d343fee8 (38796908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	960d652c 	bl	0xfffffffff83594b0
   4:	f9400268 	ldr	x8, [x19]
   8:	910ce117 	add	x23, x8, #0x338
   c:	d343fee8 	lsr	x8, x23, #3
* 10:	38796908 	ldrb	w8, [x8, x25] <-- trapping instruction