Oops: general protection fault, probably for non-canonical address 0xdffffc000000001e: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x00000000000000f0-0x00000000000000f7]
CPU: 2 UID: 0 PID: 21387 Comm: syz.5.4403 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:do_rebind drivers/usb/usbip/stub_main.c:204 [inline]
RIP: 0010:rebind_store+0x147/0x2d0 drivers/usb/usbip/stub_main.c:264
Code: 53 01 00 00 48 89 d8 48 c1 e0 07 4c 8b b0 30 02 a4 9b 48 b8 00 00 00 00 00 fc ff df 49 8d be f0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 30 01 00 00 4d 8b be f0 00 00 00 4d 85 ff 74 3c
RSP: 0000:ffffc90003cb7c18 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000001e RSI: 0000000000000004 RDI: 00000000000000f0
RBP: ffffffff9ba40230 R08: 0000000000000000 R09: fffffbfff3748048
R10: ffffffff9ba40243 R11: 000000000000001e R12: 0000000000000001
R13: ffff888025b26f80 R14: 0000000000000000 R15: ffff888029eca400
FS:  0000000000000000(0000) GS:ffff888096de3000(0063) knlGS:00000000f5446b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f726e853 CR3: 000000005e4b0000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 drv_attr_store+0x74/0xb0 drivers/base/bus.c:125
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f87fec
Code: Unable to access opcode bytes at 0xf7f87fc2.
RSP: 002b:00000000f544650c EFLAGS: 00000292 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000200
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_rebind drivers/usb/usbip/stub_main.c:204 [inline]
RIP: 0010:rebind_store+0x147/0x2d0 drivers/usb/usbip/stub_main.c:264
Code: 53 01 00 00 48 89 d8 48 c1 e0 07 4c 8b b0 30 02 a4 9b 48 b8 00 00 00 00 00 fc ff df 49 8d be f0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 30 01 00 00 4d 8b be f0 00 00 00 4d 85 ff 74 3c
RSP: 0000:ffffc90003cb7c18 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000001e RSI: 0000000000000004 RDI: 00000000000000f0
RBP: ffffffff9ba40230 R08: 0000000000000000 R09: fffffbfff3748048
R10: ffffffff9ba40243 R11: 000000000000001e R12: 0000000000000001
R13: ffff888025b26f80 R14: 0000000000000000 R15: ffff888029eca400
FS:  0000000000000000(0000) GS:ffff888096ee3000(0063) knlGS:00000000f5446b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f44ab0bc CR3: 000000005e4b0000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	53                   	push   %rbx
   1:	01 00                	add    %eax,(%rax)
   3:	00 48 89             	add    %cl,-0x77(%rax)
   6:	d8 48 c1             	fmuls  -0x3f(%rax)
   9:	e0 07                	loopne 0x12
   b:	4c 8b b0 30 02 a4 9b 	mov    -0x645bfdd0(%rax),%r14
  12:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  19:	fc ff df
  1c:	49 8d be f0 00 00 00 	lea    0xf0(%r14),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 30 01 00 00    	jne    0x164
  34:	4d 8b be f0 00 00 00 	mov    0xf0(%r14),%r15
  3b:	4d 85 ff             	test   %r15,%r15
  3e:	74 3c                	je     0x7c