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tomsideguide
13 lines
551 B
Markdown
13 lines
551 B
Markdown
# Fuzzing
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cargo +nightly fuzz run xlsx fuzz/corpus/xlsx fuzz/seeds/xlsx
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`fuzz/seeds/` holds checked-in starting inputs; `fuzz/corpus/` is the working
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directory libfuzzer writes to and is not checked in.
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`xls`, `xlsb` and `numfmt` wrap their input in a valid container (an OLE
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compound file, an OPC package, a styles part) so mutation reaches the record
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and format-code parsers rather than dying at the container gate. `xlsx` takes
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a whole workbook, and its seeds cover all three containers because the
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frontend picks the reader from the bytes.
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