BUG: bad host security descriptor; not enough data (1 vs 5 left)

[syzbot]

Hello,

syzbot found the following crash on:

HEAD commit: d6ff8147 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=159c5d29e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=90a3d9bed5648419
dashboard link: https://syzkaller.appspot.com/bug?extid=52be5a94ed1c3d6bf9ce
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12c172c3e00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1461ee65e00000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+52be5a...@syzkaller.appspotmail.com

usb 1-1: config 0 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 4
usb 1-1: New USB device found, idVendor=13dc, idProduct=56fc, bcdDevice=40.15
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
usb 1-1: BUG: bad host security descriptor; not enough data (1 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: Cannot initialize internals: -19


---
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 syzk...@googlegroups.com.

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

[Andrey Konovalov]

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