Unable to handle kernel paging request at virtual address dfff800000000066
KASAN: null-ptr-deref in range [0x0000000000000330-0x0000000000000337]
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
[dfff800000000066] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4545 Comm: syz.0.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : wacom_intuos_irq+0x2b9c/0x2c34 drivers/hid/wacom_wac.c:1077
lr : wacom_intuos_irq+0x2b8c/0x2c34 drivers/hid/wacom_wac.c:1077
sp : ffff800021587530
x29: ffff800021587590 x28: dfff800000000000 x27: ffff0000d33533b0
x26: 1fffe0001a66a676 x25: ffff0000d3353090 x24: 1fffe0001a66a632
x23: 0000000000000055 x22: ffff0000d3353190 x21: 0000000000000005
x20: dfff800000000000 x19: 0000000000000330 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082dd38c x15: 0000000000000000
x14: 0000000000000011 x13: 0000000000ff0100 x12: ffff8000175653e8
x11: ff0080000f52101c x10: 0000000000000000 x9 : ffff80000f52101c
x8 : 0000000000000066 x7 : ffff800011ca26dc x6 : 000000008a5bf055
x5 : ffff0000d3353195 x4 : ffff0000d19300bb x3 : ffff80000f530fcc
x2 : 0000000000000005 x1 : ffff8000175653a0 x0 : 0000000000000055
dump_backtrace(regs = 000000002b370d74 tsk = 0000000000000000)
Call trace:
 wacom_intuos_irq+0x2b9c/0x2c34 drivers/hid/wacom_wac.c:1077
 wacom_wac_irq+0x7b0/0x7b9c drivers/hid/wacom_wac.c:3477
 wacom_raw_event+0x87c/0xb3c drivers/hid/wacom_sys.c:170
 hid_input_report+0x3a0/0x49c drivers/hid/hid-core.c:2129
 uhid_dev_input2+0xac/0x134 drivers/hid/uhid.c:611
 uhid_char_write+0x404/0xa1c drivers/hid/uhid.c:769
 vfs_write+0x2a8/0x7c8 fs/read_write.c:582
 ksys_write+0x12c/0x228 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+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c 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: 910cc273 d2d00014 d343fe68 f2fbfff4 (387c6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	910cc273 	add	x19, x19, #0x330
   4:	d2d00014 	mov	x20, #0x800000000000        	// #140737488355328
   8:	d343fe68 	lsr	x8, x19, #3
   c:	f2fbfff4 	movk	x20, #0xdfff, lsl #48
* 10:	387c6908 	ldrb	w8, [x8, x28] <-- trapping instruction