On Tue, 30 Apr 2019, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: 9a33b369 usb-fuzzer: main usb gadget fuzzer driver > git tree: https://github.com/google/kasan.git usb-fuzzer > console output: https://syzkaller.appspot.com/x/log.txt?x=141ca62d200000 > kernel config: https://syzkaller.appspot.com/x/.config?x=23e37f59d94ddd15 > dashboard link: https://syzkaller.appspot.com/bug?extid=af8f8d2ac0d39b0ed3a0 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1405bedd200000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13ce3bbb200000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+af8f8d2ac0d39b0ed3a0@xxxxxxxxxxxxxxxxxxxxxxxxx > > usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice= > d.3c > usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 > usb 1-1: config 0 descriptor?? > pvrusb2: Hardware description: Terratec Grabster AV400 > pvrusb2: ********** > pvrusb2: WARNING: Support for this device (Terratec Grabster AV400) is > experimental. > pvrusb2: Important functionality might not be entirely working. > pvrusb2: Please consider contacting the driver author to help with further > stabilization of the driver. > pvrusb2: ********** > > > --- > This bug 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. This does seem like a bug in syzbot. Why does it think this pr_info() output indicates a crash? Is it fooled by the capitalized "WARNING" at the start of one of the lines? Alan Stern
