Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 5880 Comm: syz.1.31 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:vhci_hcd_probe+0x47/0x3f0 drivers/usb/usbip/vhci_hcd.c:1367
Code: 0f 38 7c fa 49 8d 9e 80 00 00 00 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 13 bc e5 fa 48 8b 1b 48 89 d8 48 c1 e8 03 <80> 3c 28 00 74 08 48 89 df e8 fb bb e5 fa 4c 8b 23 48 c7 c0 00 c8
RSP: 0018:ffffc9000589fac0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90004f79000 RSI: 000000000000030e RDI: 000000000000030f
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff87499080 R12: ffff88801e360000
R13: ffffffff8efd13e0 R14: ffff88801e360000 R15: ffffffff87499080
FS:  00007f50c89466c0(0000) GS:ffff888125d3a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f02ed14da08 CR3: 000000003a974000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 platform_probe+0xf9/0x190 drivers/base/platform.c:1439
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 device_driver_attach+0xe0/0x1d0 drivers/base/dd.c:1203
 bind_store+0x1d3/0x220 drivers/base/bus.c:267
 kernfs_fop_write_iter+0x3a5/0x540 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61e/0xbb0 fs/read_write.c:687
 ksys_write+0x156/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f50ca6ee0d9
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:00007f50c8946028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f50ca975fa0 RCX: 00007f50ca6ee0d9
RDX: 0000000000000006 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007f50ca785024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f50ca976038 R14: 00007f50ca975fa0 R15: 00007ffce6dfca68
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:vhci_hcd_probe+0x47/0x3f0 drivers/usb/usbip/vhci_hcd.c:1367
Code: 0f 38 7c fa 49 8d 9e 80 00 00 00 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 13 bc e5 fa 48 8b 1b 48 89 d8 48 c1 e8 03 <80> 3c 28 00 74 08 48 89 df e8 fb bb e5 fa 4c 8b 23 48 c7 c0 00 c8
RSP: 0018:ffffc9000589fac0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90004f79000 RSI: 000000000000030e RDI: 000000000000030f
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff87499080 R12: ffff88801e360000
R13: ffffffff8efd13e0 R14: ffff88801e360000 R15: ffffffff87499080
FS:  00007f50c89466c0(0000) GS:ffff888125d3a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f02ed14da08 CR3: 000000003a974000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	38 7c fa 49          	cmp    %bh,0x49(%rdx,%rdi,8)
   4:	8d 9e 80 00 00 00    	lea    0x80(%rsi),%ebx
   a:	48 89 d8             	mov    %rbx,%rax
   d:	48 c1 e8 03          	shr    $0x3,%rax
  11:	80 3c 28 00          	cmpb   $0x0,(%rax,%rbp,1)
  15:	74 08                	je     0x1f
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 13 bc e5 fa       	call   0xfae5bc32
  1f:	48 8b 1b             	mov    (%rbx),%rbx
  22:	48 89 d8             	mov    %rbx,%rax
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	80 3c 28 00          	cmpb   $0x0,(%rax,%rbp,1) <-- trapping instruction
  2d:	74 08                	je     0x37
  2f:	48 89 df             	mov    %rbx,%rdi
  32:	e8 fb bb e5 fa       	call   0xfae5bc32
  37:	4c 8b 23             	mov    (%rbx),%r12
  3a:	48                   	rex.W
  3b:	c7                   	.byte 0xc7
  3c:	c0 00 c8             	rolb   $0xc8,(%rax)