general protection fault, probably for non-canonical address 0xdffffc000000006d: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000368-0x000000000000036f]
CPU: 1 PID: 8455 Comm: syz.2.780 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:dev_get_drvdata include/linux/device.h:732 [inline]
RIP: 0010:input_get_drvdata include/linux/input.h:376 [inline]
RIP: 0010:wacom_report_numbered_buttons drivers/hid/wacom_wac.c:4159 [inline]
RIP: 0010:wacom_intuos_pad drivers/hid/wacom_wac.c:643 [inline]
RIP: 0010:wacom_intuos_irq+0x1459/0x33e0 drivers/hid/wacom_wac.c:1088
Code: 74 24 08 44 89 6c 24 74 44 09 ee 0b 74 24 18 09 c6 31 ff 89 74 24 58 e8 f5 5e 03 fa 49 81 c4 68 03 00 00 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 38 8f 48 fa 4d 8b 2c 24 49 8d 9d
RSP: 0018:ffffc9000338f730 EFLAGS: 00010202

RAX: 000000000000006d RBX: 0000000000000000 RCX: ffff88801e829dc0
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801e829dc0 R09: 0000000000000006
R10: 0000000000000023 R11: 0000000000000002 R12: 0000000000000368
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000008
FS:  00007f4f139a86c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4f139a7ff8 CR3: 000000007b145000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 wacom_wac_irq+0x8d0/0x9780 drivers/hid/wacom_wac.c:3445
 wacom_raw_event+0xa8a/0xd50 drivers/hid/wacom_sys.c:174
 hid_input_report+0x3fe/0x4f0 drivers/hid/hid-core.c:1916
 uhid_dev_input2+0xb1/0x130 drivers/hid/uhid.c:611
 uhid_char_write+0x376/0xaf0 drivers/hid/uhid.c:769
 vfs_write+0x304/0xd70 fs/read_write.c:592
 ksys_write+0x153/0x260 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4f15771159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4f139a8028 EFLAGS: 00000246
 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4f159f9090 RCX: 00007f4f15771159
RDX: 0000000000000010 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f4f1580806b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4f159f9128 R14: 00007f4f159f9090 R15: 00007ffe57cc4ca8
 </TASK>
Modules linked in:
---[ end trace 5d0f9d27940def10 ]---
RIP: 0010:dev_get_drvdata include/linux/device.h:732 [inline]
RIP: 0010:input_get_drvdata include/linux/input.h:376 [inline]
RIP: 0010:wacom_report_numbered_buttons drivers/hid/wacom_wac.c:4159 [inline]
RIP: 0010:wacom_intuos_pad drivers/hid/wacom_wac.c:643 [inline]
RIP: 0010:wacom_intuos_irq+0x1459/0x33e0 drivers/hid/wacom_wac.c:1088
Code: 74 24 08 44 89 6c 24 74 44 09 ee 0b 74 24 18 09 c6 31 ff 89 74 24 58 e8 f5 5e 03 fa 49 81 c4 68 03 00 00 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 38 8f 48 fa 4d 8b 2c 24 49 8d 9d
RSP: 0018:ffffc9000338f730 EFLAGS: 00010202
RAX: 000000000000006d RBX: 0000000000000000 RCX: ffff88801e829dc0
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801e829dc0 R09: 0000000000000006
R10: 0000000000000023 R11: 0000000000000002 R12: 0000000000000368
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000008
FS:  00007f4f139a86c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558fa0984000 CR3: 000000007b145000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	74 24                	je     0x26
   2:	08 44 89 6c          	or     %al,0x6c(%rcx,%rcx,4)
   6:	24 74                	and    $0x74,%al
   8:	44 09 ee             	or     %r13d,%esi
   b:	0b 74 24 18          	or     0x18(%rsp),%esi
   f:	09 c6                	or     %eax,%esi
  11:	31 ff                	xor    %edi,%edi
  13:	89 74 24 58          	mov    %esi,0x58(%rsp)
  17:	e8 f5 5e 03 fa       	call   0xfa035f11
  1c:	49 81 c4 68 03 00 00 	add    $0x368,%r12
  23:	4c 89 e0             	mov    %r12,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 30 00       	cmpb   $0x0,(%rax,%r14,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 e7             	mov    %r12,%rdi
  34:	e8 38 8f 48 fa       	call   0xfa488f71
  39:	4d 8b 2c 24          	mov    (%r12),%r13
  3d:	49                   	rex.WB
  3e:	8d                   	.byte 0x8d
  3f:	9d                   	popf