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length check in usb-3

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Anatol Ulrich 2021-09-02 00:05:25 +02:00
parent 60efef8f40
commit 9e48aace87
1 changed files with 3 additions and 0 deletions
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advanced/firmware/src/bin/usb-3.rs
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@ -76,6 +76,9 @@ fn on_event(usbd: &USBD, ep0in: &mut Ep0In, event: Event) {
// TODO send back a valid device descriptor, truncated to `length` bytes
// let desc = usb2::device::Descriptor { .. };
let resp = [];
// ensure we're not overstepping boundaries
assert!(resp.len() <= length as usize);
ep0in.start(&resp, usbd);
}
Request::SetAddress { .. } => {