[util-linux] cover mnt_table_parse_stream (#4032)

* [util-linux] cover mnt_table_parse_stream

Waiting for https://github.com/karelzak/util-linux/pull/1068

* temporarily point OSS-Fuzz to evverx/util-linux

* make sure it can be built with sanitizer=coverage

.github/workflows/project_tests.yml

@@ -13,6 +13,7 @@ jobs:
           - address
           - memory
           - undefined
+          - coverage
         architecture:
           - x86_64
         include:

infra/ci/build.py

@@ -113,7 +113,7 @@ def build_project(project):
   sanitizer = os.getenv('SANITIZER')
   architecture = os.getenv('ARCHITECTURE')
 
-  if not should_build(project_yaml):
+  if sanitizer != 'coverage' and not should_build(project_yaml):
     print(('Specified build: engine: {0}, sanitizer: {1}, architecture: {2} '
            'not enabled for this project: {3}. skipping build.').format(
                engine, sanitizer, architecture, project))
@@ -123,7 +123,7 @@ def build_project(project):
   print('Building project', project)
   build_fuzzers(project, engine, sanitizer, architecture)
 
-  if engine != 'none':
+  if engine != 'none' and sanitizer != 'coverage':
     check_build(project, engine, sanitizer, architecture)
 
 

projects/util-linux/Dockerfile

@@ -0,0 +1,22 @@
+# Copyright 2020 Google Inc.
+#
+# 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
+MAINTAINER evvers@ya.ru
+RUN apt-get update && apt-get install -y autoconf automake autopoint bison libtool pkg-config
+RUN git clone --depth 1 https://github.com/evverx/util-linux util-linux && cd util-linux && git fetch origin fuzz && git checkout -qf FETCH_HEAD
+WORKDIR util-linux
+COPY build.sh $SRC/

projects/util-linux/build.sh

@@ -0,0 +1,18 @@
+#!/bin/bash -eu
+# Copyright 2020 Google Inc.
+#
+# 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.
+#
+################################################################################
+
+tools/oss-fuzz.sh

projects/util-linux/project.yaml

@@ -1,4 +1,15 @@
 homepage: "https://github.com/karelzak/util-linux"
 primary_contact: "ruediger.meier@ga-group.nl"
+language: c
 auto_ccs:
   - "kzak@redhat.com"
+  - "evvers@ya.ru"
+  - "evverx@gmail.com"
+architectures:
+  - x86_64
+  - i386
+sanitizers:
+  - address
+  - undefined
+# util-linux is failing to compile with MSan
+# - memory