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SubjectBUG: bad host security descriptor; not enough data (3 vs 5 left)

syzbot found the following crash on:

HEAD commit: 4cc037ec usb: gadget: add raw-gadget interface
git tree: usb-fuzzer
console output:
kernel config:
dashboard link:
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro:
C reproducer:

IMPORTANT: if you fix the bug, please add the following tag to the commit:

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,
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.
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syzbot can test patches for this bug, for details see:

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