RDX: 0000000020000000 RSI: 0000000080045505 RDI: 0000000000000004
RBP: 00007ffcf3386990 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
 </TASK>
usb usb9: device_add((null)) --> -22
general protection fault, probably for non-canonical address 0xdffffc0000000021: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000108-0x000000000000010f]
CPU: 1 PID: 9703 Comm: syz-executor384 Not tainted 6.1.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:__device_attach+0xa4/0x440 drivers/base/dd.c:984
Code: e8 03 42 80 3c 20 00 0f 85 3e 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 48 49 8d bc 24 08 01 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e fa 02 00 00 41 f6 84 24 08 01 00 00
RSP: 0018:ffffc9000336fba0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 1ffff9200066df74 RCX: 0000000000000000
RDX: 0000000000000021 RSI: ffffffff890bdc60 RDI: 0000000000000108
RBP: ffff888029d19030 R08: 0000000000000000 R09: ffffffff8cf17517
R10: fffffbfff19e2ea2 R11: 0000000000080001 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888029d190b0 R15: 00000000fffffff0
FS:  0000555555735300(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb554810b0 CR3: 00000000267cd000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 proc_ioctl.part.0+0x36e/0x430 drivers/usb/core/devio.c:2356
 proc_ioctl drivers/usb/core/devio.c:182 [inline]
 proc_ioctl_default drivers/usb/core/devio.c:2391 [inline]
 usbdev_do_ioctl drivers/usb/core/devio.c:2747 [inline]
 usbdev_ioctl+0x2238/0x2ec0 drivers/usb/core/devio.c:2807
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x11f/0x190 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdb55451779
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcf3386978 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fdb55495184 RCX: 00007fdb55451779
RDX: 0000000020000040 RSI: 00000000c0105512 RDI: 0000000000000006
RBP: 00007ffcf3386990 R08: 0000000000000001 R09: 0000000000000001
R10: 000000000000ffff R11: 0000000000000246 R12: 0000000000000001
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__device_attach+0xa4/0x440 drivers/base/dd.c:984
Code: e8 03 42 80 3c 20 00 0f 85 3e 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 48 49 8d bc 24 08 01 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e fa 02 00 00 41 f6 84 24 08 01 00 00
RSP: 0018:ffffc9000336fba0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 1ffff9200066df74 RCX: 0000000000000000
RDX: 0000000000000021 RSI: ffffffff890bdc60 RDI: 0000000000000108
RBP: ffff888029d19030 R08: 0000000000000000 R09: ffffffff8cf17517
R10: fffffbfff19e2ea2 R11: 0000000000080001 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888029d190b0 R15: 00000000fffffff0
FS:  0000555555735300(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcf3386958 CR3: 00000000267cd000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	e8 03 42 80 3c       	callq  0x3c804208
   5:	20 00                	and    %al,(%rax)
   7:	0f 85 3e 03 00 00    	jne    0x34b
   d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  14:	fc ff df
  17:	4c 8b 65 48          	mov    0x48(%rbp),%r12
  1b:	49 8d bc 24 08 01 00 	lea    0x108(%r12),%rdi
  22:	00
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	74 06                	je     0x38
  32:	0f 8e fa 02 00 00    	jle    0x332
  38:	41                   	rex.B
  39:	f6                   	.byte 0xf6
  3a:	84 24 08             	test   %ah,(%rax,%rcx,1)
  3d:	01 00                	add    %eax,(%rax)