BUG: bad host security descriptor; not enough data (4 vs 5 left)

[syzbot]

Hello,

syzbot found the following crash on:

HEAD commit:    3183c037 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=12525dc6e00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=79de80330003b5f7
dashboard link: https://syzkaller.appspot.com/bug?extid=d934a9036346e0215d8f
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14ac7406e00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13eea39ae00000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+d934a9036346e0215d8f@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 (4 vs 5 left)
usb 1-1: supported encryption types: ïSÐïïï|cÐïïïïcÐïïï
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@xxxxxxxxxxxxxxxxx

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