New fuzz target exercises TiffHeader::parse, dimensions/colortype probing, chunk-by-chunk reading, and multi-IFD iteration. Guards get_chunk_type/chunk_dimensions behind dimensions() success check to avoid documented panics on non-image IFDs.
New fuzz target exercises TiffHeader::parse, dimensions/colortype probing, chunk-by-chunk reading, and multi-IFD iteration. Guards get_chunk_type/chunk_dimensions behind dimensions() success check to avoid documented panics on non-image IFDs.