src/tests/oss-fuzz.sh

   1 #!/bin/bash
   2
   3 set -ex
   4
   5 export SANITIZER=${SANITIZER:-address}
   6 flags="-O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION"
   7 coverage_flags="-fsanitize=fuzzer-no-link"
   8
   9 sanitizer_flags="-fsanitize=address -fsanitize-address-use-after-scope"
  10 if [[ "$SANITIZER" == "undefined" ]]; then
  11     sanitizer_flags="-fsanitize=undefined"
  12 elif [[ "$SANITIZER" == "memory" ]]; then
  13     sanitizer_flags="-fsanitize=memory -fsanitize-memory-track-origins"
  14 fi
  15
  16 export CC=${CC:-clang}
  17 export CFLAGS=${CFLAGS:-$flags $sanitizer_flags $coverage_flags}
  18
  19 export CXX=${CXX:-clang++}
  20 export CXXFLAGS=${CXXFLAGS:-$flags $sanitizer_flags $coverage_flags}
  21
  22 export OUT=${OUT:-$(pwd)/out}
  23 mkdir -p $OUT
  24
  25 export LIB_FUZZING_ENGINE=${LIB_FUZZING_ENGINE:--fsanitize=fuzzer}
  26
  27 # -fsanitize=... isn't compatible with -Wl,-no-undefined
  28 # https://github.com/google/sanitizers/issues/380
  29 sed -i 's/-Wl,-no-undefined *\\/\\/' src/lxc/Makefile.am
  30
  31 # AFL++ and hoggfuzz are both incompatible with lto=thin apparently
  32 sed -i '/-flto=thin/d' configure.ac
  33
  34 # turn off the libutil dependency
  35 sed -i 's/^AC_CHECK_LIB(util/#/' configure.ac
  36
  37 ./autogen.sh
  38 ./configure \
  39     --disable-tools \
  40     --disable-commands \
  41     --disable-apparmor \
  42     --disable-openssl \
  43     --disable-selinux \
  44     --disable-seccomp \
  45     --disable-capabilities
  46
  47 make -j$(nproc)
  48
  49 $CC -c -o fuzz-lxc-config-read.o $CFLAGS -Isrc -Isrc/lxc src/tests/fuzz-lxc-config-read.c
  50 $CXX $CXXFLAGS $LIB_FUZZING_ENGINE fuzz-lxc-config-read.o src/lxc/.libs/liblxc.a -o $OUT/fuzz-lxc-config-read
  51
  52 perl -lne 'if (/config_jump_table\[\]\s*=/../^}/) { /"([^"]+)"/ && print "$1=" }' src/lxc/confile.c >doc/examples/all-keys.conf
  53 [[ -s doc/examples/all-keys.conf ]]
  54 zip -r $OUT/fuzz-lxc-config-read_seed_corpus.zip doc/examples