Oops: general protection fault, probably for non-canonical address 0xdffffc000000006c: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000360-0x0000000000000367]
CPU: 1 UID: 0 PID: 5733 Comm: syz-executor234 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:wacom_intuos_irq+0x3318/0x33f0 drivers/hid/wacom_wac.c:1036
Code: f1 ff ff 48 8b 7c 24 10 e8 35 68 9b f9 e9 0c f1 ff ff 49 81 c6 60 03 00 00 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 3a 68 9b f9 49 8b 1e 48 b8 00 00 00
RSP: 0018:ffffc900057278f0 EFLAGS: 00010206
RAX: 000000000000006c RBX: 1ffff11006ce3a29 RCX: dffffc0000000000
RDX: ffffffff8897159a RSI: ffffffff8f44ff80 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801eb9be80 R09: 0000000000000007
R10: 0000000000000100 R11: 0000000000000011 R12: ffff888049dd80a6
R13: 1ffff11006ce3a40 R14: 0000000000000360 R15: 1ffff110093bb014
FS:  00007f8b4551a6c0(0000) GS:ffff888125cc3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555829a2340 CR3: 00000000332a8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 wacom_wac_irq+0x102d/0x9b90 drivers/hid/wacom_wac.c:3511
 wacom_raw_event+0x9d2/0xd10 drivers/hid/wacom_sys.c:183
 __hid_input_report+0x421/0x580 drivers/hid/hid-core.c:2175
 uhid_dev_input2+0xbc/0x150 drivers/hid/uhid.c:609
 uhid_char_write+0x4a7/0xc90 drivers/hid/uhid.c:767
 vfs_write+0x29f/0xbb0 fs/read_write.c:685
 ksys_write+0x156/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8b45547d49
Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8b4551a1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f8b455f7b48 RCX: 00007f8b45547d49
RDX: 0000000000000010 RSI: 0000200000000300 RDI: 0000000000000004
RBP: 00007f8b455f7b40 R08: 35203a6b63617473 R09: 35203a6b63617473
R10: 35203a6b63617473 R11: 0000000000000246 R12: 00007f8b455c4bb8
R13: 0000200000001004 R14: 0000200000001000 R15: 0000200000000300
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:wacom_intuos_irq+0x3318/0x33f0 drivers/hid/wacom_wac.c:1036
Code: f1 ff ff 48 8b 7c 24 10 e8 35 68 9b f9 e9 0c f1 ff ff 49 81 c6 60 03 00 00 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 3a 68 9b f9 49 8b 1e 48 b8 00 00 00
RSP: 0018:ffffc900057278f0 EFLAGS: 00010206
RAX: 000000000000006c RBX: 1ffff11006ce3a29 RCX: dffffc0000000000
RDX: ffffffff8897159a RSI: ffffffff8f44ff80 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801eb9be80 R09: 0000000000000007
R10: 0000000000000100 R11: 0000000000000011 R12: ffff888049dd80a6
R13: 1ffff11006ce3a40 R14: 0000000000000360 R15: 1ffff110093bb014
FS:  00007f8b4551a6c0(0000) GS:ffff888125bc3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0c360b7080 CR3: 00000000332a8000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 3 bytes skipped:
   0:	48 8b 7c 24 10       	mov    0x10(%rsp),%rdi
   5:	e8 35 68 9b f9       	call   0xf99b683f
   a:	e9 0c f1 ff ff       	jmp    0xfffff11b
   f:	49 81 c6 60 03 00 00 	add    $0x360,%r14
  16:	4c 89 f0             	mov    %r14,%rax
  19:	48 c1 e8 03          	shr    $0x3,%rax
  1d:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  24:	fc ff df
* 27:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2b:	74 08                	je     0x35
  2d:	4c 89 f7             	mov    %r14,%rdi
  30:	e8 3a 68 9b f9       	call   0xf99b686f
  35:	49 8b 1e             	mov    (%r14),%rbx
  38:	48                   	rex.W
  39:	b8                   	.byte 0xb8
  3a:	00 00                	add    %al,(%rax)