syzbot


WARNING in vmk80xx_auto_attach/usb_submit_urb
Status: upstream: reported C repro on 2021/06/11 20:02
Reported-by: syzbot+5f29dc6a889fc42bd896@syzkaller.appspotmail.com
First crash: 354d, last: 354d

Cause bisection: introduced by (bisect log) [ignored commit]:
commit f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10
Author: Andrey Konovalov <andreyknvl@google.com>
Date: Mon Feb 24 16:13:03 2020 +0000

  usb: gadget: add raw-gadget interface

Crash: WARNING in vmk80xx_auto_attach/usb_submit_urb (log)
Repro: C syz .config

Fix bisection: the fix commit could be any of (bisect log):
  614124bea77e Linux 5.13-rc5
  f55966571d5e Merge tag 'drm-next-2021-07-08-1' of git://anongit.freedesktop.org/drm/drm

Sample crash report:
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

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/06/07 19:53 upstream 614124bea77e e59537be .config log report syz C WARNING in vmk80xx_auto_attach/usb_submit_urb