fs/iso9660: Reject incomplete multi-extent files - #666
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pro-utkarshM wants to merge 1 commit into
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pro-utkarshM wants to merge 1 commit into
pro-utkarshM wants to merge 1 commit into
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Assisted-by: Codex:gpt-5.6-sol Signed-off-by: Utkarsh Maurya <projects.utkarshMaurya@gmail.com>
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When a multi-extent continuation is missing or has a different identifier, the extent scan stops but
iso9660_open()currently returns the collected prefix as a valid file. Reject the file if the final collected record still has the multi-extent flag set, and release the partially created handle and any owned directory buffer.Validation: an exact-source harness reproduces both missing and mismatched continuation records. Both fail before this change and pass afterward; valid single-extent and two-extent controls pass in both versions. All four cases also pass with ASan and UBSan.
./bootstrap,./configure --enable-werror --enable-all, andmake allpass across the configured targets.Fixes #665.