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fix: ensure offset cannot be greater than data size

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RedCommander735 2025-07-27 04:56:47 +02:00
parent 914f1f9a42
commit 9e66a19c8c
1 changed files with 3 additions and 0 deletions
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3
src/usb_hid.rs
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@ -128,6 +128,9 @@ fn write_raw(device: &HidDevice, data: &[u8]) -> Result<()> {
fn prepend_byte_and_offset(data: &[u8], offset: usize) -> [u8; 65] { fn prepend_byte_and_offset(data: &[u8], offset: usize) -> [u8; 65] {
let mut result: [u8; 65] = [0u8; 65]; let mut result: [u8; 65] = [0u8; 65];
result[1] = 0x0; result[1] = 0x0;
if offset > data.len() {
return result;
}
if data.len() - offset < 64 { if data.len() - offset < 64 {
result[1..].copy_from_slice(&data[offset..]); result[1..].copy_from_slice(&data[offset..]);
} else { } else {