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83 lines
2.5 KiB
Bash
Vendored
83 lines
2.5 KiB
Bash
Vendored
#!/bin/bash
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# Copyright © Weblate contributors
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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set -euo pipefail
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: "${SRC:=/src}"
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: "${OUT:=/out}"
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: "${WORK:=/work}"
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: "${SANITIZER:=address}"
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: "${FUZZING_LANGUAGE:=python}"
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: "${FUZZING_ENGINE:=libfuzzer}"
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: "${ARCHITECTURE:=x86_64}"
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: "${CC:=clang}"
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: "${CXX:=clang++}"
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: "${CCC:=clang++}"
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: "${CFLAGS:=-O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION}"
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: "${CXXFLAGS:=$CFLAGS}"
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export SRC OUT WORK SANITIZER FUZZING_LANGUAGE FUZZING_ENGINE ARCHITECTURE
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export CC CXX CCC CFLAGS CXXFLAGS
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mkdir -p "$SRC" "$OUT" "$WORK"
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case "$SANITIZER" in
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address)
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sanitizer_flags="-fsanitize=address -fsanitize-address-use-after-scope"
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sanitizer_library="asan_with_fuzzer.so"
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;;
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undefined)
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sanitizer_flags="-fsanitize=array-bounds,bool,builtin,enum,function,integer-divide-by-zero,null,object-size,return,returns-nonnull-attribute,shift,signed-integer-overflow,unsigned-integer-overflow,unreachable,vla-bound,vptr -fno-sanitize-recover=array-bounds,bool,builtin,enum,function,integer-divide-by-zero,null,object-size,return,returns-nonnull-attribute,shift,signed-integer-overflow,unreachable,vla-bound,vptr"
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sanitizer_library="ubsan_with_fuzzer.so"
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;;
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coverage | introspector)
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sanitizer_flags=""
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sanitizer_library=""
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;;
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*)
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echo "Unsupported sanitizer for Weblate Python fuzzing: $SANITIZER" >&2
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exit 1
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;;
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esac
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if [ "$FUZZING_LANGUAGE" != "python" ]; then
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echo "Unsupported fuzzing language for Weblate fuzzing: $FUZZING_LANGUAGE" >&2
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exit 1
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fi
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if [ "$FUZZING_ENGINE" != "libfuzzer" ]; then
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echo "Unsupported fuzzing engine for Weblate Python fuzzing: $FUZZING_ENGINE" >&2
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exit 1
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fi
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export CFLAGS="$CFLAGS ${sanitizer_flags} -fno-sanitize=function,leak"
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export CXXFLAGS="$CXXFLAGS ${sanitizer_flags} -fno-sanitize=function,leak,vptr"
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if [ -n "$sanitizer_library" ]; then
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atheris_path=$(
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"$SRC/weblate/.venv/bin/python" - << 'PY'
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import atheris
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print(atheris.path())
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PY
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)
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install -m 0755 "$atheris_path/$sanitizer_library" "$OUT/sanitizer_with_fuzzer.so"
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fi
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if symbolizer_path=$(command -v llvm-symbolizer); then
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install -m 0755 "$symbolizer_path" "$OUT/llvm-symbolizer"
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fi
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echo "---------------------------------------------------------------"
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echo "CC=$CC"
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echo "CXX=$CXX"
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echo "CFLAGS=$CFLAGS"
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echo "CXXFLAGS=$CXXFLAGS"
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echo "SANITIZER=$SANITIZER"
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echo "FUZZING_LANGUAGE=$FUZZING_LANGUAGE"
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echo "---------------------------------------------------------------"
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exec bash -eux "$SRC/build.sh" "$@"
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