2026-09-26 17:42:16 +00:00
1 changed files with 3 additions and 1 deletions
@@ -155,7 +155,9 @@ impl ChunkPlacer {
            &mut long
        };
        for (o, &off) in chunk_offsets.iter_mut().zip(offsets) {
-            *o = off as usize;
+            // An offset past `usize` is past the dataset: the chunk writes
            // nothing (a plain cast would wrap it into the output).
            *o = usize::try_from(off).unwrap_or(usize::MAX);
        }
        // SAFETY: the caller's contract.
        unsafe {