On Tue, Dec 17, 2019 at 2:15 PM syzbot <syzbot+7b2f76fab6cdba59689b@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following crash on: > > HEAD commit: 4cc037ec usb: gadget: add raw-gadget interface > git tree: https://github.com/google/kasan.git usb-fuzzer > console output: https://syzkaller.appspot.com/x/log.txt?x=17597049e00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=a2d3f61a19fd0cf1 > dashboard link: https://syzkaller.appspot.com/bug?extid=7b2f76fab6cdba59689b > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1724ae99e00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17ed23a6e00000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+7b2f76fab6cdba59689b@xxxxxxxxxxxxxxxxxxxxxxxxx > > usb 1-1: config 0 interface 0 altsetting 0 has 3 endpoint descriptors, > different from the interface descriptor's value: 4 > usb 1-1: New USB device found, idVendor=13dc, idProduct=5611, > bcdDevice=2f.15 > usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 > usb 1-1: config 0 descriptor?? > hwa-hc 1-1:0.0: Wire Adapter v106.52 newer than groked v1.0 > hwa-hc 1-1:0.0: FIXME: USB_MAXCHILDREN too low for WUSB adapter (194 ports) > usb 1-1: BUG: bad host security descriptor; not enough data (3 vs 5 left) > usb 1-1: supported encryption types: > usb 1-1: E: host doesn't support CCM-1 crypto > hwa-hc 1-1:0.0: Wireless USB HWA host controller > hwa-hc 1-1:0.0: new USB bus registered, assigned bus number 11 > > > --- > 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. > > syzbot will keep track of this bug report. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > syzbot can test patches for this bug, for details see: > https://goo.gl/tpsmEJ#testing-patches #syz dup: BUG: bad host security descriptor; not enough data (4 vs 5 left)