Mayhem support

.github/workflows/assimp_fuzzer-mayhem.yml

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+name: Mayhem
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+  workflow_call:
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+jobs:
+  build:
+    name: ${{ matrix.os }} shared=${{ matrix.shared }} ${{ matrix.build_type }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        shared: [false]
+        build_type: [Release]
+        include:
+        - os: ubuntu-latest
+          triplet: x64-linux
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: recursive
+    - name: Log in to the Container registry
+      uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - name: Extract metadata (tags, labels) for Docker
+      id: meta
+      uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+      with:
+        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+    - name: Build and push Docker image
+      uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+      with:
+        context: .
+        file: mayhem/Dockerfile
+        push: true
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}
+    - name: Start analysis
+      uses: forallsecure/mcode-action@v1
+      with:
+        mayhem-token: ${{ secrets.MAYHEM_TOKEN }}
+        args: --image ${{ steps.meta.outputs.tags }} --cmd /out/assimp_fuzzer --target
+          assimp_fuzzer --file mayhem/assimp_fuzzer.mayhemfile
+        sarif-output: sarif
+    - name: Upload SARIF file(s)
+      uses: github/codeql-action/upload-sarif@v2
+      with:
+        sarif_file: sarif

mayhem/Dockerfile

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+# Copyright 2021 Google LLC
+#
+# 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.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder
+RUN apt-get update && apt-get install -y cmake ninja-build
+COPY . assimp
+WORKDIR assimp
+COPY mayhem/build.sh $SRC/
+
+
+ENV FUZZING_LANGUAGE=c++ SANITIZER=address
+RUN compile

mayhem/assimp_fuzzer.mayhemfile

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+project: PROJECT
+target: assimp_fuzzer
+cmds:
+- cmd: /out/assimp_fuzzer

mayhem/build.sh

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+#!/bin/bash -eu
+# Copyright 2021 Google LLC
+#
+# 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.
+#
+################################################################################
+
+# generate build env and build assimp
+cmake CMakeLists.txt -G "Ninja" -DBUILD_SHARED_LIBS=OFF -DASSIMP_BUILD_ZLIB=ON \
+                                -DASSIMP_BUILD_TESTS=OFF -DASSIMP_BUILD_ASSIMP_TOOLS=OFF \
+                                -DASSIMP_BUILD_SAMPLES=OFF
+cmake --build .
+
+# Build the fuzzer
+$CXX $CXXFLAGS $LIB_FUZZING_ENGINE -std=c++11 -I$SRC/assimp/include \
+		fuzz/assimp_fuzzer.cc -o $OUT/assimp_fuzzer  \
+		./lib/libassimp.a ./contrib/zlib/libzlibstatic.a