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Binutils: don't generate seeds but use prepared zip (#7036) 

* Binutils: dont generate seeds but use prepared zip

* nit
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DavidKorczynski 2021-12-19 14:58:36 +00:00 committed by GitHub
parent b661058c88
commit 5f8608a2fc
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2 changed files with 4 additions and 22 deletions
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2
projects/binutils/Dockerfile
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@ -15,9 +15,9 @@
################################################################################
FROM gcr.io/oss-fuzz-base/base-builder
#TODO change
RUN apt-get update && apt-get install -y make texinfo
RUN apt-get install -y flex bison
RUN git clone --depth=1 https://github.com/DavidKorczynski/binary-samples binary-samples
RUN git clone --recursive --depth 1 git://sourceware.org/git/binutils-gdb.git binutils-gdb
RUN git clone --depth=1 https://github.com/DavidKorczynski/binutils-preconditions binutils-preconditions
WORKDIR $SRC

24
projects/binutils/build.sh
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@ -161,30 +161,12 @@ then
-L/src/binutils-gdb/zlib ../libiberty/libiberty.a -lz
fi
# Build seeds
git clone --depth=1 https://github.com/DavidKorczynski/binary-samples $SRC/binary-samples
# Create an archive as seed
ar r $SRC/seed_archive.a $SRC/binutils-gdb/binutils/rename.o \
$SRC/binutils-gdb/binutils/is-ranlib.o $SRC/binutils-gdb/binutils/not-strip.o
# Zip the folder together as OSS-Fuzz expects the seed corpus as ZIP, and
# then copy the folder around to various fuzzers.
zip -r -j $OUT/fuzz_readelf_seed_corpus.zip \
$SRC/binary-samples/elf* \
$SRC/binary-samples/Mach* \
$SRC/binary-samples/pe* \
$SRC/binary-samples/lib* \
$SRC/seed_archive.a \
$SRC/binutils-gdb/binutils/*.o
# Copy seeds out
for fuzzname in readelf_pef objdump objdump_safe nm objcopy bdf windres addr2line dwarf; do
cp $OUT/fuzz_readelf_seed_corpus.zip $OUT/fuzz_${fuzzname}_seed_corpus.zip
cp $SRC/binary-samples/oss-fuzz-binutils/general_seeds.zip $OUT/fuzz_${fuzzname}_seed_corpus.zip
done
# Seed targeted the pef file format
mkdir $SRC/bfd_ext_seeds
echo "Joy!peffAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" >> $SRC/bfd_ext_seeds/seed1
zip -r $OUT/fuzz_bfd_ext_seed_corpus.zip $SRC/bfd_ext_seeds/
cp $SRC/binary-samples/oss-fuzz-binutils/fuzz_bfd_ext_seed_corpus.zip $OUT/fuzz_bfd_ext_seed_corpus.zip
# Copy options files
for ft in readelf readelf_pef objcopy objdump dlltool disas_ext-bfd_arch_csky nm as windres objdump_safe ranlib_simulation addr2line dwarf; do