Unable to handle kernel paging request at virtual address ffff700031484200
KASAN: maybe wild-memory-access in range [0xffff80018a421000-0xffff80018a421007]
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
swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000020dfa8000
[ffff700031484200] pgd=000000023ea48003, p4d=000000023ea48003, pud=000000023ea47003, pmd=0000000000000000
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 7018 Comm: syz.3.754 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __mkroute_output net/ipv4/route.c:2622 [inline]
pc : ip_route_output_key_hash_rcu+0xe38/0x1e38 net/ipv4/route.c:2850
lr : __mkroute_output net/ipv4/route.c:2613 [inline]
lr : ip_route_output_key_hash_rcu+0xdb8/0x1e38 net/ipv4/route.c:2850
sp : ffff8000214d6cf0
x29: ffff8000214d6d40 x28: dfff800000000000 x27: 0000000000000001
x26: 0000000080000000 x25: ffff0000d279b800 x24: ffff0000c0bd5a20
x23: 0000000000000000 x22: ffff80018a421000 x21: ffff0000df7e0000
x20: 0000000000000000 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082d7e60 x15: 0000000000000000
x14: 0000000000000005 x13: 0000000000ff0100 x12: 0000000000ff0100
x11: ff00800010481b38 x10: 0000000000000000 x9 : ffff80018a421000
x8 : 1ffff00031484200 x7 : ffff8000105cc7c4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __mkroute_output net/ipv4/route.c:2622 [inline]
 ip_route_output_key_hash_rcu+0xe38/0x1e38 net/ipv4/route.c:2850
 ip_route_output_key_hash+0x1b0/0x300 net/ipv4/route.c:2679
 __ip_route_output_key include/net/route.h:137 [inline]
 ip_route_output_flow+0x3c/0x160 net/ipv4/route.c:2909
 ip_route_output_key include/net/route.h:153 [inline]
 icmp_route_lookup+0x54c/0x808 net/ipv4/icmp.c:543
 __icmp_send+0xaf0/0x105c net/ipv4/icmp.c:748
 icmp_send include/net/icmp.h:43 [inline]
 ip_options_compile+0x80/0xbc net/ipv4/ip_options.c:473
 ip_rcv_options net/ipv4/ip_input.c:281 [inline]
 ip_rcv_finish_core+0xbbc/0x18f0 net/ipv4/ip_input.c:387
 ip_rcv_finish+0x130/0x24c net/ipv4/ip_input.c:447
 NF_HOOK+0x2dc/0x36c include/linux/netfilter.h:302
 ip_rcv+0x7c/0x9c net/ipv4/ip_input.c:569
 __netif_receive_skb_one_core net/core/dev.c:5581 [inline]
 __netif_receive_skb+0xcc/0x2a8 net/core/dev.c:5695
 netif_receive_skb_internal net/core/dev.c:5781 [inline]
 netif_receive_skb+0x1e8/0x924 net/core/dev.c:5840
 tun_rx_batched+0x48c/0x5dc drivers/net/tun.c:-1
 tun_get_user+0x1fe8/0x3298 drivers/net/tun.c:1998
 tun_chr_write_iter+0xfc/0x200 drivers/net/tun.c:2044
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x3ec/0x7f0 fs/read_write.c:584
 ksys_write+0x12c/0x224 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: d538d089 8b080136 d343fec8 aa1703f4 (387c6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	d538d089 	mrs	x9, tpidr_el1
   4:	8b080136 	add	x22, x9, x8
   8:	d343fec8 	lsr	x8, x22, #3
   c:	aa1703f4 	mov	x20, x23
* 10:	387c6908 	ldrb	w8, [x8, x28] <-- trapping instruction