linux-kernel - [syzbot] WARNING in vmk80xx_auto_attach/usb_submit

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Message-ID: <00000000000074a21005c482fce2@google.com>
Date:   Fri, 11 Jun 2021 13:02:23 -0700
From:   syzbot <syzbot+5f29dc6a889fc42bd896@...kaller.appspotmail.com>
To:     gregkh@...uxfoundation.org, johan@...nel.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        mathias.nyman@...ux.intel.com, syzkaller-bugs@...glegroups.com
Subject: [syzbot] WARNING in vmk80xx_auto_attach/usb_submit_urb

Hello,

syzbot found the following issue on:

HEAD commit:    614124be Linux 5.13-rc5
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12188667d00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=547a5e42ca601229
dashboard link: https://syzkaller.appspot.com/bug?extid=5f29dc6a889fc42bd896
compiler:       Debian clang version 11.0.1-2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1687ec3fd00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=172f44ffd00000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+5f29dc6a889fc42bd896@...kaller.appspotmail.com

usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 1 PID: 20 at drivers/usb/core/urb.c:494 usb_submit_urb+0xacd/0x1550 drivers/usb/core/urb.c:493
Modules linked in:
CPU: 1 PID: 20 Comm: kworker/1:0 Not tainted 5.13.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0xacd/0x1550 drivers/usb/core/urb.c:493
Code: d8 48 c1 e8 03 42 8a 04 28 84 c0 0f 85 bd 07 00 00 44 8b 03 48 c7 c7 00 8a e1 8a 4c 89 f6 4c 89 fa 89 e9 31 c0 e8 83 d6 8f fb <0f> 0b 4c 8b 74 24 30 45 89 f7 4c 89 ff 48 c7 c6 b0 e1 8d 8d e8 8a
RSP: 0018:ffffc90000da6880 EFLAGS: 00010246
RAX: 0c18ab37a32f8700 RBX: ffffffff8ae18828 RCX: ffff888012c30000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff81655632 R09: ffffed1017365f90
R10: ffffed1017365f90 R11: 0000000000000000 R12: ffff888022972100
R13: dffffc0000000000 R14: ffffffff8ae22a60 R15: ffff88801da57118
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f156613e000 CR3: 0000000018033000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 usb_start_wait_urb+0x11a/0x550 drivers/usb/core/message.c:58
 vmk80xx_write_packet drivers/comedi/drivers/vmk80xx.c:213 [inline]
 vmk80xx_reset_device drivers/comedi/drivers/vmk80xx.c:226 [inline]
 vmk80xx_auto_attach+0xcc7/0x22d0 drivers/comedi/drivers/vmk80xx.c:817


---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@...glegroups.com.

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