47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
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/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* This test ensures that ensures that FORTIFY's run-time bits aren't enabled with ASAN on. Most
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* ways of getting FORTIFY to break turn into UB unless you get creative. Rather than remaking the
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* entire FORTIFY test-suite with this added constraint, we pick a function with well-defined
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* behavior when a FORTIFY check would fail (umask), and hope that the success of that is indicative
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* of the rest working.
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*/
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#ifndef __clang__
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#error "Non-clang isn't supported"
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#endif
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#ifndef _FORTIFY_SOURCE
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#error "_FORTIFY_SOURCE must be defined"
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#endif
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#include <sys/cdefs.h>
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#if defined(__BIONIC__) && __has_feature(address_sanitizer)
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#include <sys/stat.h>
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#include <gtest/gtest.h>
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TEST(ClangFortifyASAN, NoRuntimeChecksAreEnabled) {
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volatile mode_t unknown = 01000;
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mode_t previous = umask(unknown);
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// Not necessary, but polite.
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umask(previous);
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}
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#endif
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