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fix(rust): bound decoder allocations and pre-size encoded frames - #68
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petralithic wants to merge 1 commit into
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petralithic wants to merge 1 commit into
petralithic wants to merge 1 commit into
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DocUpdate and ELO counts were used as vector capacities before checking whether the input could contain that many entries. Tiny malformed inputs could panic with capacity overflow, and ULEB128 accepted a tenth-byte payload above the u64 range.
Bound count reservations by remaining input bytes, reject ULEB128 overflow, and precompute the encoder's output size. Reject output above 256 KiB before writing payload bytes and allocate the output once. Preserve wire fixtures, field inclusion and existing error precedence.