kc3-lang/libxml2/fuzz/oss-fuzz-build.sh

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• Hash : 52efb20a
  Author :
  Date : 2024-03-24T13:43:25
  

  fuzz: Enable float-divide-by-zero on OSS-Fuzz
  
  This was recently disabled globally:
  
      https://github.com/google/oss-fuzz/pull/11567
  

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• fuzz/oss-fuzz-build.sh

• #!/bin/bash -eu
  
  # OSS-Fuzz integration, see
  # https://github.com/google/oss-fuzz/tree/master/projects/libxml2
  
  # Add extra UBSan checks
  if [ "$SANITIZER" = undefined ]; then
      extra_checks="integer,float-divide-by-zero"
      extra_cflags="-fsanitize=$extra_checks -fno-sanitize-recover=$extra_checks"
      export CFLAGS="$CFLAGS $extra_cflags"
      export CXXFLAGS="$CXXFLAGS $extra_cflags"
  fi
  
  export V=1
  
  ./autogen.sh \
      --disable-shared \
      --without-debug \
      --without-http \
      --without-python
  make -j$(nproc)
  
  cd fuzz
  make clean-corpus
  make fuzz.o
  
  for fuzzer in api html regexp schema uri valid xinclude xml xpath; do
      make $fuzzer.o
      # Link with $CXX
      $CXX $CXXFLAGS \
          $fuzzer.o fuzz.o \
          -o $OUT/$fuzzer \
          $LIB_FUZZING_ENGINE \
          ../.libs/libxml2.a -Wl,-Bstatic -lz -llzma -Wl,-Bdynamic
  
      if [ $fuzzer != api ]; then
          [ -e seed/$fuzzer ] || make seed/$fuzzer.stamp
          zip -j $OUT/${fuzzer}_seed_corpus.zip seed/$fuzzer/*
      fi
  done
  
  cp *.dict *.options $OUT/
  

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