kc3-lang/libxml2/fuzz

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  • Hash : 9086988f
    Author : Nick Wellnhofer
    Date : 2020-12-16T15:41:52 

    Enforce maximum length of fuzz input

Remove the libfuzzer max_len option which doesn't apply to other
fuzzing engines. Enforce the maximum length directly in the fuzz
targets. For the xml target, lower the maximum when expanding entities
to avoid timeout and OOM errors.

  • README

  • libFuzzer instructions for libxml2
==================================

Set compiler and options:

    export CC=clang
    export CFLAGS="-g -fsanitize=fuzzer-no-link,address,undefined \
        -fno-sanitize-recover=all \
        -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION"

Build libxml2 with instrumentation:

    ./configure --without-python
    make

Run fuzzers:

    make -C fuzz fuzz-xml

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