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@xxxxxxxxxxxxxxxxxxxxxxxxx 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@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
