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Audit: Targa and palette encoders check pixel buffer sizes

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This commit is contained in:
Dylan M. Taylor
2026-10-24 04:49:07 +07:00
committed by bflatastic
parent 9843d5f1ab
commit 52ceefe906
2 changed files with 4 additions and 3 deletions
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crates/render/src/encode/quantize.rs
+2 -1
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@@ -197,7 +197,8 @@ pub fn quantize_locked(rgba: &[u8], width: u32, height: u32, o: &PaletteOptions,
}
let weights = o.reduction.weights();
let dither = if exact { Dither::None } else { o.dither };
let mut indices = map(&colors, width as usize, &palette, weights, dither, f32::from(o.dither_amount.min(100)) / 100.0, |i| clear(&px[i]));
// (A width past the pixels there are would size the error rows from a number nothing checked.)
let mut indices = map(&colors, (width as usize).min(colors.len()), &palette, weights, dither, f32::from(o.dither_amount.min(100)) / 100.0, |i| clear(&px[i]));
// Drop the entries no pixel uses (fixed palettes), keeping the order.
let mut used = [false; 256];
for (i, &ix) in indices.iter().enumerate() {