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Binary Formats and Ghidra LoadersRE 204 · Shared with cohort
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Explain why a sparse image must not allocate memory through its highest GPA.

A sparse image describes mapped regions, not a dense byte array. If a loader allocates from address zero through the highest guest-physical address, a tiny file with one high-address page can force an enormous allocation. The safe design stores disjoint resolved regions and materializes only directives that explicitly contribute bytes or required memory.

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