general protection fault in rmi_driver_suspend

Status: upstream: reported syz repro on 2026/08/06 00:01
Subsystems: input
Labels: prio:high
[Documentation on labels]
Reported-by: syzbot+09103639e39c989e3ed3@syzkaller.appspotmail.com
First crash: 6d04h, last: 5d22h
✨ AI Jobs (2)
ID Workflow Result Correct Bug Created Started Finished Revision
cb0add43 assessment-security DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ✅ RemoteTrigger: ✅ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ✅ general protection fault in rmi_driver_suspend 2026/08/09 20:39 2026/08/09 20:39 2026/08/09 20:43 5d63f80b
5ec1be71 assessment-security 💥 general protection fault in rmi_driver_suspend 2026/08/05 00:08 2026/08/05 00:08 2026/08/05 00:08 d4abbeac
Discussions (2)
Title Replies (including bot) Last reply
[PATCH] Input: synaptics-rmi4 - fix GPF in suspend and resume when unbound 1 (1) 2026/08/06 05:44
[syzbot] [input?] general protection fault in rmi_driver_suspend 0 (1) 2026/08/06 00:01
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 general protection fault in rmi_driver_suspend 2 1 6d05h 6d05h 0/2 premoderation: reported on 2026/08/04 14:19
linux-5.15 general protection fault in rmi_driver_suspend 2 2 5d16h 5d21h 0/3 upstream: reported on 2026/08/04 22:09
linux-6.1 general protection fault in rmi_driver_suspend 2 1 5d19h 5d19h 0/3 upstream: reported on 2026/08/04 23:41

Sample crash report:
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

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/04 20:42 upstream 848acc8ffe1b d4abbeac .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root general protection fault in rmi_driver_suspend
2026/08/04 18:37 upstream 848acc8ffe1b d4abbeac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root general protection fault in rmi_driver_suspend
2026/08/04 14:52 upstream 848acc8ffe1b d4abbeac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in rmi_driver_suspend
2026/08/04 14:48 upstream 848acc8ffe1b d4abbeac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in rmi_driver_suspend
2026/08/04 14:44 upstream 848acc8ffe1b d4abbeac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root general protection fault in rmi_driver_suspend
2026/08/04 19:40 linux-next cc2b5f627e8c d4abbeac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce general protection fault in rmi_driver_suspend
* Struck through repros no longer work on HEAD.