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amazingakaiamazingakai
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Split KArchive fuzzer and add dict files (#13633)
1 parent b0ce00b commit dbc0042

14 files changed

+327
-68
lines changed

‎projects/karchive/Dockerfile‎

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@@ -25,5 +25,5 @@ RUN git clone --depth 1 --branch=dev git://code.qt.io/qt/qtbase.git
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RUN git clone --depth 1 --branch=dev git://code.qt.io/qt/qttools.git
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RUN git clone --depth 1 -b master https://invent.kde.org/frameworks/extra-cmake-modules.git
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RUN git clone --depth 1 -b master https://invent.kde.org/frameworks/karchive.git
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COPY build.sh karchive_fuzzer.cc $SRC/
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COPY build.sh karchive_fuzzer.cc karchive_fuzzer_common.h kcompressiondevice_fuzzer.cc dict $SRC/
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WORKDIR $SRC/karchive

‎projects/karchive/build.sh‎

Lines changed: 36 additions & 3 deletions
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@@ -89,7 +89,40 @@ cmake . -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTING=OFF
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make install -j$(nproc)
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# Build karchive_fuzzer
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$CXX $CXXFLAGS -fPIC -std=c++17 $SRC/karchive_fuzzer.cc -o $OUT/karchive_fuzzer -I /usr/include/QtCore/ -I /usr/local/include/KF6/KArchive -lQt6Core -lm -lQt6BundledPcre2 -ldl -lpthread $LIB_FUZZING_ENGINE /usr/local/lib/libz.a -lKF6Archive /usr/local/lib/libbz2.a -llzma /usr/local/lib/libzstd.a /usr/local/lib64/libcrypto.a
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HANDLER_TYPES="K7Zip 7z karchive_fuzzer
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KAr ar karchive_fuzzer
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KTar tar karchive_fuzzer
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KZip zip karchive_fuzzer
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GZip tar_gz kcompressiondevice_fuzzer
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BZip2 tar_bz2 kcompressiondevice_fuzzer
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Xz tar_xz kcompressiondevice_fuzzer
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Zstd tar_zst kcompressiondevice_fuzzer
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Lz tar_lz kcompressiondevice_fuzzer"
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cd $SRC
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find . -name "*.gz" -o -name "*.zip" -o -name "*.xz" -o -name "*.tar" -o -name "*.7z" | zip -q $OUT/karchive_fuzzer_seed_corpus.zip -@
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echo "$HANDLER_TYPES" | while read class format source_file; do
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(
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fuzz_target_name=k${format}_fuzzer
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fuzz_target_flags="-DHANDLER=$class"
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if [[ "$class" == "K7Zip" ]]; then # KZip in future?
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fuzz_target_flags+=" -DUSE_PASSWORD"
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fi
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$CXX $CXXFLAGS -fPIC $fuzz_target_flags -std=c++17 $SRC/$source_file.cc -o $OUT/$fuzz_target_name \
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-I /usr/include/QtCore/ -I /usr/local/include/KF6/KArchive -lQt6Core -lm -lQt6BundledPcre2 \
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-ldl -lpthread $LIB_FUZZING_ENGINE /usr/local/lib/libz.a -lKF6Archive /usr/local/lib/libbz2.a \
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-llzma /usr/local/lib/libzstd.a /usr/local/lib64/libcrypto.a
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extension="${format/_/.}" # Replace _ with .
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files=$(find . -name "*.${extension}")
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if [ -n "$files" ]; then
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echo "$files" | zip -q $OUT/${fuzz_target_name}_seed_corpus.zip -@
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else
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echo "no files found with extension $extension for $fuzz_target_name seed corpus"
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fi
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if [ -f "$SRC/$fuzz_target_name.dict" ]; then
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cp "$SRC/$fuzz_target_name.dict" $OUT/
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fi
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)
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done

‎projects/karchive/dict/k7z_fuzzer.dict‎

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# SPDX-FileCopyrightText: 2025 Azhar Momin <azhar.momin@kdemail.net>
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# SPDX-License-Identifier: CC0-1.0
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magic="7z\xBC\xAF\x27\x1C"
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# Header types
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end="\x00"
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header="\x01"
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archive_properties="\x02"
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additional_streams_info="\x03"
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main_streams_info="\x04"
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files_info="\x05"
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pack_info="\x06"
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unpack_info="\x07"
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substreams_info="\x08"
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size="\x09"
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crc="\x0A"
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folder="\x0B"
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coders_unpack_size="\x0C"
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num_unpack_stream="\x0D"
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empty_stream="\x0E"
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empty_file="\x0F"
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anti="\x10"
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name="\x11"
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ctime="\x12"
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atime="\x13"
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mtime="\x14"
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attributes="\x15"
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comment="\x16"
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encoded_header="\x17"
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start_pos="\x18"
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dummy="\x19"
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# Method IDs
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lzma2="\x21"
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lzma="\x03\x01\x01"
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bcj="\x03\x03\x01\x03"
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bcj2="\x03\x03\x01\x1B"
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ppmd="\x03\x04\x01"
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bzip2="\x04\x02\x02"
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aes="\x06\xF1\x07\x01"

‎projects/karchive/dict/kar_fuzzer.dict‎

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# SPDX-FileCopyrightText: 2025 Azhar Momin <azhar.momin@kdemail.net>
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# SPDX-License-Identifier: CC0-1.0
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magic="!<arch>\\n"
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file_magic="`\\n"

‎projects/karchive/dict/ktar_bz2_fuzzer.dict‎

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# SPDX-FileCopyrightText: 2025 Azhar Momin <azhar.momin@kdemail.net>
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# SPDX-License-Identifier: CC0-1.0
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magic="ustar"
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version="00"
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magic="BZ"
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version_bzip2="h"
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version_bzip1="0"
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compressed_magic="\x31\x41\x59\x26\x53\x59"
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eos_magic="\x17\x72\x45\x38\x50\x90"

‎projects/karchive/dict/ktar_fuzzer.dict‎

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# SPDX-FileCopyrightText: 2025 Azhar Momin <azhar.momin@kdemail.net>
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# SPDX-License-Identifier: CC0-1.0
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magic="ustar"
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version="00"
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# Interesting typeflags
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"5"
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"D"
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"x"
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"g"
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"1"
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longlink="././@LongLink"

‎projects/karchive/dict/ktar_gz_fuzzer.dict‎

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# SPDX-FileCopyrightText: 2025 Azhar Momin <azhar.momin@kdemail.net>
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# SPDX-License-Identifier: CC0-1.0
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magic="ustar"
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version="00"
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magic="\x1F\x8B"
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deflate="\x08"
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# File Flags
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ftxt="\x01"
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fhcrc="\x02"
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fextra="\x04"
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fname="\x08"
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fcomment="\x10"
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fall="\x1F"
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# Operating System
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fat="\x00"
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amiga="\x01"
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vms="\x02"
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unix="\x03"
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vm_cms="\x04"
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atari_tos="\x05"
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hpfs="\x06"
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mac="\x07"
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zsystem="\x08"
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cp_m="\x09"
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tops20="\x0A"
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ntfs="\x0B"
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qdos="\x0C"
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acorn_riscos="\x0D"
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unknown="\xFF"

‎projects/karchive/dict/ktar_lz_fuzzer.dict‎

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# SPDX-FileCopyrightText: 2025 Azhar Momin <azhar.momin@kdemail.net>
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# SPDX-License-Identifier: CC0-1.0
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magic="ustar"
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version="00"
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magic="LZIP"
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version_old="\x00"
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version="\x01"

‎projects/karchive/dict/ktar_xz_fuzzer.dict‎

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# SPDX-FileCopyrightText: 2025 Azhar Momin <azhar.momin@kdemail.net>
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# SPDX-License-Identifier: CC0-1.0
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magic="ustar"
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version="00"
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magic="\x5D\x37\x7A\x58\x5A\x00"
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footer_magic="\x59\x5A"
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check_none="\x00\x00"
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check_crc32="\x01\x00"
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check_crc64="\x04\x00"
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check_sha256="\x0A\x00"
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# Filter IDs
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lzma2="\x21"
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delta="\x03"
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x86="\x04"
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powerpc="\x05"
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ia64="\x06"
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arm="\x07"
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armthumb="\x08"
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sparc="\x09"

‎projects/karchive/dict/ktar_zst_fuzzer.dict‎

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# SPDX-FileCopyrightText: 2025 Azhar Momin <azhar.momin@kdemail.net>
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# SPDX-License-Identifier: CC0-1.0
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magic="ustar"
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version="00"
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magic="\x28\xB5\x2F\xFD"
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# Skippable Frames
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"\x50\x2A\x4D\x18"
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"\x51\x2A\x4D\x18"
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"\x52\x2A\x4D\x18"
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"\x53\x2A\x4D\x18"
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"\x54\x2A\x4D\x18"
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"\x55\x2A\x4D\x18"
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"\x56\x2A\x4D\x18"
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"\x57\x2A\x4D\x18"
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"\x58\x2A\x4D\x18"
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"\x59\x2A\x4D\x18"
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"\x5A\x2A\x4D\x18"
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"\x5B\x2A\x4D\x18"
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"\x5C\x2A\x4D\x18"
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"\x5D\x2A\x4D\x18"
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"\x5E\x2A\x4D\x18"
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"\x5F\x2A\x4D\x18"

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