usb 1-1: Manufacturer: syz
general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
CPU: 1 PID: 222 Comm: kworker/1:2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:logi_dj_probe+0x66f/0xf40 drivers/hid/hid-logitech-dj.c:1803
Code: 3e c5 fd 49 83 c7 40 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 3f dc 0a fe 4d 8b 37 49 83 c6 28 4c 89 f0 48 c1 e8 03 <0f> b6 04 18 84 c0 0f 85 a3 08 00 00 41 8b 0e 49 81 c5 e0 18 00 00
RSP: 0018:ffffc90000ce6bc8 EFLAGS: 00010206
RAX: 0000000000000005 RBX: dffffc0000000000 RCX: ffff8881201a0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000ce6c18 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200019cc9c R12: 0000000000000000
R13: ffff88810fd54000 R14: 0000000000000028 R15: ffff8881088da040
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055de3284de60 CR3: 0000000110124000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hid_device_probe+0x273/0x410 drivers/hid/hid-core.c:2694
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x2d7/0x9a0 drivers/base/dd.c:639
 __driver_probe_device+0x193/0x270 drivers/base/dd.c:808
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838
 __device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966
 bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429
 __device_attach+0x2b0/0x420 drivers/base/dd.c:1038
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087
 bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489
 device_add+0xb0b/0xec0 drivers/base/core.c:3698
 hid_add_device+0x3b8/0x580 drivers/hid/hid-core.c:2848
 usbhid_probe+0xc12/0xff0 drivers/hid/usbhid/hid-core.c:1443
 usb_probe_interface+0x621/0xb30 drivers/usb/core/driver.c:397
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x2d7/0x9a0 drivers/base/dd.c:639
 __driver_probe_device+0x193/0x270 drivers/base/dd.c:808
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838
 __device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966
 bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429
 __device_attach+0x2b0/0x420 drivers/base/dd.c:1038
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087
 bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489
 device_add+0xb0b/0xec0 drivers/base/core.c:3698
 usb_set_configuration+0x1a01/0x1f70 drivers/usb/core/message.c:2223
 usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x154/0x260 drivers/usb/core/driver.c:294
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x2d7/0x9a0 drivers/base/dd.c:639
 __driver_probe_device+0x193/0x270 drivers/base/dd.c:808
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838
 __device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966
 bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429
 __device_attach+0x2b0/0x420 drivers/base/dd.c:1038
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087
 bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489
 device_add+0xb0b/0xec0 drivers/base/core.c:3698
 usb_new_device+0x9f4/0x1500 drivers/usb/core/hub.c:2684
 hub_port_connect drivers/usb/core/hub.c:5594 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5734 [inline]
 port_event drivers/usb/core/hub.c:5898 [inline]
 hub_event+0x27fb/0x4310 drivers/usb/core/hub.c:5980
 process_one_work+0x717/0xc30 kernel/workqueue.c:2302
 worker_thread+0xa4d/0x11d0 kernel/workqueue.c:2449
 kthread+0x281/0x320 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:logi_dj_probe+0x66f/0xf40 drivers/hid/hid-logitech-dj.c:1803
----------------
Code disassembly (best guess):
   0:	3e c5 fd 49          	ds (bad)
   4:	83 c7 40             	add    $0x40,%edi
   7:	4c 89 f8             	mov    %r15,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
  12:	74 08                	je     0x1c
  14:	4c 89 ff             	mov    %r15,%rdi
  17:	e8 3f dc 0a fe       	call   0xfe0adc5b
  1c:	4d 8b 37             	mov    (%r15),%r14
  1f:	49 83 c6 28          	add    $0x28,%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	0f b6 04 18          	movzbl (%rax,%rbx,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	0f 85 a3 08 00 00    	jne    0x8d9
  36:	41 8b 0e             	mov    (%r14),%ecx
  39:	49 81 c5 e0 18 00 00 	add    $0x18e0,%r13