BUG: bad host encryption descriptor; descriptor is too short (1 vs 5 needed)

[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=15cd9a81e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=90a3d9bed5648419
dashboard link: https://syzkaller.appspot.com/bug?extid=2470d4931705e03b0977
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15cfbd09e00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170e3645e00000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+2470d4...@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=5611, 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 encryption descriptor; descriptor is too short (1 vs 5 needed)
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


---
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[Andrey Konovalov]

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