1 files changed, 0 insertions, 228 deletions
diff --git a/test/syscalls/linux/prctl.cc b/test/syscalls/linux/prctl.cc
deleted file mode 100644
index 19a57d353..000000000
--- a/test/syscalls/linux/prctl.cc
+++ /dev/null
@@ -1,228 +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 <sys/prctl.h>
-#include <sys/ptrace.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-#include <string>
-
-#include "gtest/gtest.h"
-#include "absl/flags/flag.h"
-#include "test/util/capability_util.h"
-#include "test/util/cleanup.h"
-#include "test/util/multiprocess_util.h"
-#include "test/util/posix_error.h"
-#include "test/util/test_util.h"
-#include "test/util/thread_util.h"
-
-ABSL_FLAG(bool, prctl_no_new_privs_test_child, false,
-          "If true, exit with the return value of prctl(PR_GET_NO_NEW_PRIVS) "
-          "plus an offset (see test source).");
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-#ifndef SUID_DUMP_DISABLE
-#define SUID_DUMP_DISABLE 0
-#endif /* SUID_DUMP_DISABLE */
-#ifndef SUID_DUMP_USER
-#define SUID_DUMP_USER 1
-#endif /* SUID_DUMP_USER */
-#ifndef SUID_DUMP_ROOT
-#define SUID_DUMP_ROOT 2
-#endif /* SUID_DUMP_ROOT */
-
-TEST(PrctlTest, NameInitialized) {
-  const size_t name_length = 20;
-  char name[name_length] = {};
-  ASSERT_THAT(prctl(PR_GET_NAME, name), SyscallSucceeds());
-  ASSERT_NE(std::string(name), "");
-}
-
-TEST(PrctlTest, SetNameLongName) {
-  const size_t name_length = 20;
-  const std::string long_name(name_length, 'A');
-  ASSERT_THAT(prctl(PR_SET_NAME, long_name.c_str()), SyscallSucceeds());
-  char truncated_name[name_length] = {};
-  ASSERT_THAT(prctl(PR_GET_NAME, truncated_name), SyscallSucceeds());
-  const size_t truncated_length = 15;
-  ASSERT_EQ(long_name.substr(0, truncated_length), std::string(truncated_name));
-}
-
-TEST(PrctlTest, ChildProcessName) {
-  constexpr size_t kMaxNameLength = 15;
-
-  char parent_name[kMaxNameLength + 1] = {};
-  memset(parent_name, 'a', kMaxNameLength);
-
-  ASSERT_THAT(prctl(PR_SET_NAME, parent_name), SyscallSucceeds());
-
-  pid_t child_pid = fork();
-  TEST_PCHECK(child_pid >= 0);
-  if (child_pid == 0) {
-    char child_name[kMaxNameLength + 1] = {};
-    TEST_PCHECK(prctl(PR_GET_NAME, child_name) >= 0);
-    TEST_CHECK(memcmp(parent_name, child_name, sizeof(parent_name)) == 0);
-    _exit(0);
-  }
-
-  int status;
-  ASSERT_THAT(waitpid(child_pid, &status, 0),
-              SyscallSucceedsWithValue(child_pid));
-  EXPECT_TRUE(WIFEXITED(status) && WEXITSTATUS(status) == 0)
-      << "status =" << status;
-}
-
-// Offset added to exit code from test child to distinguish from other abnormal
-// exits.
-constexpr int kPrctlNoNewPrivsTestChildExitBase = 100;
-
-TEST(PrctlTest, NoNewPrivsPreservedAcrossCloneForkAndExecve) {
-  // Check if no_new_privs is already set. If it is, we can still test that it's
-  // preserved across clone/fork/execve, but we also expect it to still be set
-  // at the end of the test. Otherwise, call prctl(PR_SET_NO_NEW_PRIVS) so as
-  // not to contaminate the original thread.
-  int no_new_privs;
-  ASSERT_THAT(no_new_privs = prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0),
-              SyscallSucceeds());
-  ScopedThread([] {
-    ASSERT_THAT(prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0), SyscallSucceeds());
-    EXPECT_THAT(prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0),
-                SyscallSucceedsWithValue(1));
-    ScopedThread([] {
-      EXPECT_THAT(prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0),
-                  SyscallSucceedsWithValue(1));
-      // Note that these ASSERT_*s failing will only return from this thread,
-      // but this is the intended behavior.
-      pid_t child_pid = -1;
-      int execve_errno = 0;
-      auto cleanup = ASSERT_NO_ERRNO_AND_VALUE(
-          ForkAndExec("/proc/self/exe",
-                      {"/proc/self/exe", "--prctl_no_new_privs_test_child"}, {},
-                      nullptr, &child_pid, &execve_errno));
-
-      ASSERT_GT(child_pid, 0);
-      ASSERT_EQ(execve_errno, 0);
-
-      int status = 0;
-      ASSERT_THAT(RetryEINTR(waitpid)(child_pid, &status, 0),
-                  SyscallSucceeds());
-      ASSERT_TRUE(WIFEXITED(status));
-      ASSERT_EQ(WEXITSTATUS(status), kPrctlNoNewPrivsTestChildExitBase + 1);
-
-      EXPECT_THAT(prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0),
-                  SyscallSucceedsWithValue(1));
-    });
-    EXPECT_THAT(prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0),
-                SyscallSucceedsWithValue(1));
-  });
-  EXPECT_THAT(prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0),
-              SyscallSucceedsWithValue(no_new_privs));
-}
-
-TEST(PrctlTest, PDeathSig) {
-  pid_t child_pid;
-
-  // Make the new process' parent a separate thread since the parent death
-  // signal fires when the parent *thread* exits.
-  ScopedThread([&] {
-    child_pid = fork();
-    TEST_CHECK(child_pid >= 0);
-    if (child_pid == 0) {
-      // In child process.
-      TEST_CHECK(prctl(PR_SET_PDEATHSIG, SIGKILL) >= 0);
-      int signo;
-      TEST_CHECK(prctl(PR_GET_PDEATHSIG, &signo) >= 0);
-      TEST_CHECK(signo == SIGKILL);
-      // Enable tracing, then raise SIGSTOP and expect our parent to suppress
-      // it.
-      TEST_CHECK(ptrace(PTRACE_TRACEME, 0, 0, 0) >= 0);
-      TEST_CHECK(raise(SIGSTOP) == 0);
-      // Sleep until killed by our parent death signal. sleep(3) is
-      // async-signal-safe, absl::SleepFor isn't.
-      while (true) {
-        sleep(10);
-      }
-    }
-    // In parent process.
-
-    // Wait for the child to send itself SIGSTOP and enter signal-delivery-stop.
-    int status;
-    ASSERT_THAT(waitpid(child_pid, &status, 0),
-                SyscallSucceedsWithValue(child_pid));
-    EXPECT_TRUE(WIFSTOPPED(status) && WSTOPSIG(status) == SIGSTOP)
-        << "status = " << status;
-
-    // Suppress the SIGSTOP and detach from the child.
-    ASSERT_THAT(ptrace(PTRACE_DETACH, child_pid, 0, 0), SyscallSucceeds());
-  });
-
-  // The child should have been killed by its parent death SIGKILL.
-  int status;
-  ASSERT_THAT(waitpid(child_pid, &status, 0),
-              SyscallSucceedsWithValue(child_pid));
-  EXPECT_TRUE(WIFSIGNALED(status) && WTERMSIG(status) == SIGKILL)
-      << "status = " << status;
-}
-
-// This test is to validate that calling prctl with PR_SET_MM without the
-// CAP_SYS_RESOURCE returns EPERM.
-TEST(PrctlTest, InvalidPrSetMM) {
-  // Drop capability to test below.
-  AutoCapability cap(CAP_SYS_RESOURCE, false);
-  ASSERT_THAT(prctl(PR_SET_MM, 0, 0, 0, 0), SyscallFailsWithErrno(EPERM));
-}
-
-// Sanity check that dumpability is remembered.
-TEST(PrctlTest, SetGetDumpability) {
-  int before;
-  ASSERT_THAT(before = prctl(PR_GET_DUMPABLE), SyscallSucceeds());
-  auto cleanup = Cleanup([before] {
-    ASSERT_THAT(prctl(PR_SET_DUMPABLE, before), SyscallSucceeds());
-  });
-
-  EXPECT_THAT(prctl(PR_SET_DUMPABLE, SUID_DUMP_DISABLE), SyscallSucceeds());
-  EXPECT_THAT(prctl(PR_GET_DUMPABLE),
-              SyscallSucceedsWithValue(SUID_DUMP_DISABLE));
-
-  EXPECT_THAT(prctl(PR_SET_DUMPABLE, SUID_DUMP_USER), SyscallSucceeds());
-  EXPECT_THAT(prctl(PR_GET_DUMPABLE), SyscallSucceedsWithValue(SUID_DUMP_USER));
-}
-
-// SUID_DUMP_ROOT cannot be set via PR_SET_DUMPABLE.
-TEST(PrctlTest, RootDumpability) {
-  EXPECT_THAT(prctl(PR_SET_DUMPABLE, SUID_DUMP_ROOT),
-              SyscallFailsWithErrno(EINVAL));
-}
-
-}  // namespace
-
-}  // namespace testing
-}  // namespace gvisor
-
-int main(int argc, char** argv) {
-  gvisor::testing::TestInit(&argc, &argv);
-
-  if (absl::GetFlag(FLAGS_prctl_no_new_privs_test_child)) {
-    exit(gvisor::testing::kPrctlNoNewPrivsTestChildExitBase +
-         prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0));
-  }
-
-  return gvisor::testing::RunAllTests();
-}