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Diffstat (limited to 'test/syscalls/linux/vdso.cc')
-rw-r--r-- | test/syscalls/linux/vdso.cc | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/test/syscalls/linux/vdso.cc b/test/syscalls/linux/vdso.cc deleted file mode 100644 index 19c80add8..000000000 --- a/test/syscalls/linux/vdso.cc +++ /dev/null @@ -1,48 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// 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. - -#include <string.h> -#include <sys/mman.h> - -#include <algorithm> - -#include "gtest/gtest.h" -#include "test/util/fs_util.h" -#include "test/util/posix_error.h" -#include "test/util/proc_util.h" -#include "test/util/test_util.h" - -namespace gvisor { -namespace testing { - -namespace { - -// Ensure that the vvar page cannot be made writable. -TEST(VvarTest, WriteVvar) { - auto contents = ASSERT_NO_ERRNO_AND_VALUE(GetContents("/proc/self/maps")); - auto maps = ASSERT_NO_ERRNO_AND_VALUE(ParseProcMaps(contents)); - auto it = std::find_if(maps.begin(), maps.end(), [](const ProcMapsEntry& e) { - return e.filename == "[vvar]"; - }); - - SKIP_IF(it == maps.end()); - EXPECT_THAT(mprotect(reinterpret_cast<void*>(it->start), kPageSize, - PROT_READ | PROT_WRITE), - SyscallFailsWithErrno(EACCES)); -} - -} // namespace - -} // namespace testing -} // namespace gvisor |