[syzbot] [input?] general protection fault in rmi_driver_suspend

[syzbot <syzbot+09103639e39c989e3ed3@syzkaller.appspotmail.com>]

Hello,

syzbot found the following issue on:

HEAD commit:    848acc8ffe1b Merge tag 'fsverity-for-linus' of git://git.k..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12094bb9580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=cb17729fb04b1e3a
dashboard link: https://syzkaller.appspot.com/bug?extid=09103639e39c989e3ed3
compiler:       Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17b27649580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/375d27e96ecb/disk-848acc8f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/4ba19a656b9d/vmlinux-848acc8f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/7c2a17aaee7c/bzImage-848acc8f.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+09103639e39c989e3ed3@syzkaller.appspotmail.com

Oops: general protection fault, probably for non-canonical address 0xdffffc000000000f: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000078-0x000000000000007f]
CPU: 1 UID: 0 PID: 1035 Comm: kworker/u8:8 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: pm pm_runtime_work
RIP: 0010:dev_get_drvdata include/linux/device.h:989 [inline]
RIP: 0010:rmi_suspend_functions drivers/input/rmi4/rmi_driver.c:283 [inline]
RIP: 0010:rmi_driver_suspend+0x30/0x180 drivers/input/rmi4/rmi_driver.c:994
Code: 57 41 56 41 55 41 54 53 50 89 74 24 04 48 89 fb 48 bd 00 00 00 00 00 fc ff df e8 6b c7 5e fa 4c 8d 73 78 4c 89 f0 48 c1 e8 03 <80> 3c 28 00 74 08 4c 89 f7 e8 e2 3a c8 fa 4d 8b 36 4c 89 f0 48 c1
RSP: 0018:ffffc90005f67670 EFLAGS: 00010206
RAX: 000000000000000f RBX: 0000000000000000 RCX: ffff888027c58000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff88838110 R12: dffffc0000000000
R13: 0000000000000003 R14: 0000000000000078 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888125d3e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cc63fff CR3: 000000003c77c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 rmi_suspend+0xa7/0xf0 drivers/hid/hid-rmi.c:448
 hid_suspend+0x4a3/0x530 drivers/hid/usbhid/hid-core.c:1618
 usb_suspend_interface drivers/usb/core/driver.c:1323 [inline]
 usb_suspend_both+0x285/0x1040 drivers/usb/core/driver.c:1446
 usb_runtime_suspend+0x58/0x110 drivers/usb/core/driver.c:2000
 __rpm_callback+0x2d6/0x930 drivers/base/power/runtime.c:406
 rpm_callback drivers/base/power/runtime.c:460 [inline]
 rpm_suspend+0x8a0/0x17a0 drivers/base/power/runtime.c:698
 pm_runtime_work+0x132/0x1b0 drivers/base/power/runtime.c:-1
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dev_get_drvdata include/linux/device.h:989 [inline]
RIP: 0010:rmi_suspend_functions drivers/input/rmi4/rmi_driver.c:283 [inline]
RIP: 0010:rmi_driver_suspend+0x30/0x180 drivers/input/rmi4/rmi_driver.c:994
Code: 57 41 56 41 55 41 54 53 50 89 74 24 04 48 89 fb 48 bd 00 00 00 00 00 fc ff df e8 6b c7 5e fa 4c 8d 73 78 4c 89 f0 48 c1 e8 03 <80> 3c 28 00 74 08 4c 89 f7 e8 e2 3a c8 fa 4d 8b 36 4c 89 f0 48 c1
RSP: 0018:ffffc90005f67670 EFLAGS: 00010206
RAX: 000000000000000f RBX: 0000000000000000 RCX: ffff888027c58000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff88838110 R12: dffffc0000000000
R13: 0000000000000003 R14: 0000000000000078 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888125d3e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cc63fff CR3: 000000003c77c000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	57                   	push   %rdi
   1:	41 56                	push   %r14
   3:	41 55                	push   %r13
   5:	41 54                	push   %r12
   7:	53                   	push   %rbx
   8:	50                   	push   %rax
   9:	89 74 24 04          	mov    %esi,0x4(%rsp)
   d:	48 89 fb             	mov    %rdi,%rbx
  10:	48 bd 00 00 00 00 00 	movabs $0xdffffc0000000000,%rbp
  17:	fc ff df
  1a:	e8 6b c7 5e fa       	call   0xfa5ec78a
  1f:	4c 8d 73 78          	lea    0x78(%rbx),%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 28 00          	cmpb   $0x0,(%rax,%rbp,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 f7             	mov    %r14,%rdi
  33:	e8 e2 3a c8 fa       	call   0xfac83b1a
  38:	4d 8b 36             	mov    (%r14),%r14
  3b:	4c 89 f0             	mov    %r14,%rax
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1


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