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Safety critical bounds checking is off-by-one in sgrproj_box_ab_internal #3168

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Apr 2, 2023
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Safety critical bounds checking is off-by-one in sgrproj_box_ab_internal #3168

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8 changes: 4 additions & 4 deletions src/lrf.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -182,10 +182,10 @@ pub(crate) mod rust {
let n: usize = d * d;
let one_over_n = if r == 1 { 455 } else { 164 };

assert!(iimg.len() > (y + d) * iimg_stride + stripe_w + d);
assert!(iimg_sq.len() > (y + d) * iimg_stride + stripe_w + d);
assert!(af.len() > stripe_w);
assert!(bf.len() > stripe_w);
assert!(iimg.len() > (y + d) * iimg_stride + stripe_w + 1 + d);
assert!(iimg_sq.len() > (y + d) * iimg_stride + stripe_w + 1 + d);
assert!(af.len() > stripe_w + 1);
assert!(bf.len() > stripe_w + 1);

for x in start_x..stripe_w + 2 {
// SAFETY: We perform the bounds checks above, once for the whole loop
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