R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006
R13: 00007ffee0e7d310 R14: 00007ffee0e7d350 R15: 0000000000000064
usb usb9: device_add((null)) --> -22
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 9538 Comm: syz-executor105 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__device_attach+0xaa/0x470 drivers/base/dd.c:798
Code: e8 03 42 80 3c 20 00 0f 85 77 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 08 49 8d bc 24 d0 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e 42 03 00 00 45 0f b6 b4 24 d0 00 00
RSP: 0018:ffff8880a1c5fa40 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 1ffff1101438bf49 RCX: 0000000000000000
RDX: 000000000000001a RSI: 0000000000000008 RDI: 00000000000000d0
RBP: ffff8880913640b0 R08: 0000000000000000 R09: ffffed101226c822
R10: ffff888091364117 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880a1c5fc0c R14: 00000000fffffff0 R15: ffff888091364110
FS:  0000555555ea2300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6b09276000 CR3: 00000000a9efd000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 proc_ioctl+0x526/0x630 drivers/usb/core/devio.c:2192
 proc_ioctl_default drivers/usb/core/devio.c:2227 [inline]
 usbdev_do_ioctl+0x2773/0x3030 drivers/usb/core/devio.c:2541
 usbdev_ioctl+0x21/0x30 drivers/usb/core/devio.c:2585
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
 __do_sys_ioctl fs/ioctl.c:712 [inline]
 __se_sys_ioctl fs/ioctl.c:710 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f07f52b7429
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 18 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee0e7d2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f07f53016c4 RCX: 00007f07f52b7429
RDX: 0000000020000040 RSI: 00000000c0105512 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffee0e7cd40 R09: 00007ffee0e7d300
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffee0e7d2ec
R13: 00007ffee0e7d310 R14: 00007ffee0e7d350 R15: 0000000000000064
Modules linked in:
---[ end trace e3997ff5ed10cb99 ]---
RIP: 0010:__device_attach+0xaa/0x470 drivers/base/dd.c:798
Code: e8 03 42 80 3c 20 00 0f 85 77 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 08 49 8d bc 24 d0 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e 42 03 00 00 45 0f b6 b4 24 d0 00 00
RSP: 0018:ffff8880a1c5fa40 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 1ffff1101438bf49 RCX: 0000000000000000
RDX: 000000000000001a RSI: 0000000000000008 RDI: 00000000000000d0
RBP: ffff8880913640b0 R08: 0000000000000000 R09: ffffed101226c822
R10: ffff888091364117 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880a1c5fc0c R14: 00000000fffffff0 R15: ffff888091364110
FS:  0000555555ea2300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6b09276000 CR3: 00000000a9efd000 CR4: 00000000003406e0
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 77 03 00 00    	jne    0x384
   d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  14:	fc ff df
  17:	4c 8b 65 08          	mov    0x8(%rbp),%r12
  1b:	49 8d bc 24 d0 00 00 	lea    0xd0(%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 42 03 00 00    	jle    0x37a
  38:	45                   	rex.RB
  39:	0f                   	.byte 0xf
  3a:	b6 b4                	mov    $0xb4,%dh
  3c:	24 d0                	and    $0xd0,%al