etseidl commented on code in PR #12142:
URL: https://github.com/apache/arrow-rs/pull/12142#discussion_r4568248834
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parquet/src/file/page_index/offset_index.rs:
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@@ -78,7 +78,9 @@ impl OffsetIndexMetaData {
// we have to do this manually because we want to use the fast
PageLocation decoder
let list_ident = prot.read_list_begin()?;
validate_list_type(ElementType::Struct, &list_ident)?;
- let mut page_locations = Vec::with_capacity(list_ident.size as usize);
+ let size = list_ident.size as usize;
+ check_list_size(prot.remaining_bytes(), size)?;
+ let mut page_locations = Vec::with_capacity(size);
Review Comment:
No existing issue for this change. I just thought I'd fix it along with the
others.
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