Unable to handle kernel paging request at virtual address dfff80000000001a
KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7]
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
[dfff80000000001a] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 7411 Comm: syz-executor.2 Not tainted 6.1.94-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __xdp_enqueue kernel/bpf/devmap.c:478 [inline]
pc : dev_map_enqueue+0x70/0x320 kernel/bpf/devmap.c:531
lr : dev_map_enqueue+0x38/0x320 kernel/bpf/devmap.c:528
sp : ffff8000202475a0
x29: ffff8000202475b0 x28: ffff0000ece3c000 x27: ffff0001b438af40
x26: ffff0000d4804600 x25: 000000000000001b x24: dfff800000000000
x23: 00000000000000d0 x22: 0000000000000000 x21: 0000000000000000
x20: ffff0000d5310000 x19: ffff0000ece3c000 x18: 0000000000000278
x17: 0000000000000000 x16: ffff8000084f9220 x15: 0000000000000002
x14: 0000000000000019 x13: ffff00010fa78000 x12: 0000000000040000
x11: 00000000000002a7 x10: ffff800020f3a000 x9 : ffff8000086a2d80
x8 : 000000000000001a x7 : 0019000000000004 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000004
x2 : ffff0000ece3c000 x1 : ffff0000d5310000 x0 : ffff0000d4804600
Call trace:
 __xdp_enqueue kernel/bpf/devmap.c:478 [inline]
 dev_map_enqueue+0x70/0x320 kernel/bpf/devmap.c:531
 __xdp_do_redirect_frame net/core/filter.c:4279 [inline]
 xdp_do_redirect+0x580/0x9d8 net/core/filter.c:4327
 tun_xdp_act+0xf4/0xfd0 drivers/net/tun.c:1625
 tun_build_skb drivers/net/tun.c:1715 [inline]
 tun_get_user+0x27d4/0x386c drivers/net/tun.c:1818
 tun_chr_write_iter+0xfc/0x204 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+0x610/0x914 fs/read_write.c:584
 ksys_write+0x15c/0x26c 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+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 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: 940b45d6 910342b7 f94002d6 d343fee8 (38786908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	940b45d6 	bl	0x2d1758
   4:	910342b7 	add	x23, x21, #0xd0
   8:	f94002d6 	ldr	x22, [x22]
   c:	d343fee8 	lsr	x8, x23, #3
* 10:	38786908 	ldrb	w8, [x8, x24] <-- trapping instruction