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rustfs/scripts/fuzz/run.sh
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#!/bin/sh
# Copyright 2024 RustFS Team
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Unified fuzz runner script.
#
# Modes:
# ./scripts/fuzz/run.sh # build + run all smoke targets (60s each)
# BUILD_ONLY=1 ./scripts/fuzz/run.sh # build only, no fuzz run
# FUZZ_TARGET=path_containment ./scripts/fuzz/run.sh # build + run single target
# MAX_TOTAL_TIME=300 ./scripts/fuzz/run.sh # nightly-style 300s per target
#
# Environment variables:
# FUZZ_TARGET — run only this target (default: all smoke targets)
# MAX_TOTAL_TIME — seconds to fuzz per target (default: 60)
# ARTIFACT_ROOT — artifact output directory (default: artifacts)
# BUILD_ONLY — set to 1 to skip fuzz runs (default: 0)
# SKIP_BUILD — set to 1 to skip build phase (default: 0)
# USE_PREBUILT_BINARY — set to 1 to run a prebuilt fuzz binary directly
# PREBUILT_BINARY_DIR — directory containing prebuilt fuzz binaries
set -eu
SCRIPT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
REPO_ROOT=$(CDPATH= cd -- "$SCRIPT_DIR/../.." && pwd)
FUZZ_DIR="$REPO_ROOT/fuzz"
MAX_TOTAL_TIME=${MAX_TOTAL_TIME:-60}
ARTIFACT_ROOT=${ARTIFACT_ROOT:-artifacts}
FUZZ_TARGET=${FUZZ_TARGET:-}
BUILD_ONLY=${BUILD_ONLY:-0}
SKIP_BUILD=${SKIP_BUILD:-0}
USE_PREBUILT_BINARY=${USE_PREBUILT_BINARY:-0}
PREBUILT_BINARY_DIR=${PREBUILT_BINARY_DIR:-}
cd "$FUZZ_DIR"
mkdir -p "$ARTIFACT_ROOT"
targets="path_containment bucket_validation local_metadata"
if [ -n "$FUZZ_TARGET" ]; then
targets="$FUZZ_TARGET"
fi
# Phase 1: build (unless skipped)
if [ "$SKIP_BUILD" != "1" ]; then
for target in $targets; do
echo "==> cargo +nightly fuzz build $target"
cargo +nightly fuzz build "$target"
done
fi
if [ "$BUILD_ONLY" = "1" ]; then
echo "==> Build-only mode; skipping fuzz runs."
exit 0
fi
# Phase 2: run each target (incremental — no recompilation if already built)
for target in $targets; do
artifact_dir="$ARTIFACT_ROOT/$target"
corpus_dir="$FUZZ_DIR/corpus/$target"
mkdir -p "$artifact_dir"
mkdir -p "$corpus_dir"
if [ "$USE_PREBUILT_BINARY" = "1" ]; then
binary_dir="$PREBUILT_BINARY_DIR"
if [ -z "$binary_dir" ]; then
if [ -n "${CARGO_BUILD_TARGET:-}" ]; then
binary_dir="$FUZZ_DIR/target/${CARGO_BUILD_TARGET}/release"
else
binary_dir="$FUZZ_DIR/target/release"
fi
fi
binary_path="$binary_dir/$target"
if [ ! -x "$binary_path" ]; then
echo "Missing executable prebuilt fuzz binary: $binary_path" >&2
exit 1
fi
echo "==> $binary_path (-max_total_time=$MAX_TOTAL_TIME, -artifact_prefix=$artifact_dir/, corpus=$corpus_dir)"
"$binary_path" -max_total_time="$MAX_TOTAL_TIME" -artifact_prefix="$artifact_dir/" "$corpus_dir"
continue
fi
echo "==> cargo +nightly fuzz run $target (-max_total_time=$MAX_TOTAL_TIME, -artifact_prefix=$artifact_dir/)"
cargo +nightly fuzz run "$target" -- -max_total_time="$MAX_TOTAL_TIME" -artifact_prefix="$artifact_dir/"
done