The namespace cloning tests in ProcessUtilTest are failing under pkgfs. It seems as if fd clone/transfer operations fail for the fdio entries used by pkgfs.

Error text:

[10515:1007913991:0326/205653.291768:16917662:ERROR:launch_fuchsia.cc(91)] fdio_transfer_fd failed: (UNKNOWN)
[10515:1007913991:0326/205653.291890:16917785:FATAL:scoped_file.cc(42)] Check failed: 0 == ret. : Bad file descriptor (9)
#00: StackTrace at ../../base/debug/stack_trace_fuchsia.cc:173
#01: std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::endl<char, std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&) at ../../buildtools/third_party/libc++/trunk/include/ostream:1001
      (inlined by) ?? at ../../buildtools/third_party/libc++/trunk/include/ostream:195
      (inlined by) ~LogMessage at ../../base/logging.cc:595
#02: ~ErrnoLogMessage at ../../base/logging.cc:992
#03: base::internal::ScopedFDCloseTraits::Free(int) at ??:?
#04: base::LaunchProcess(std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, base::LaunchOptions const&) at ../../base/scoped_generic.h:153
      (inlined by) base::ScopedGeneric<int, base::internal::ScopedFDCloseTraits>::~ScopedGeneric() at ../../base/scoped_generic.h:90
      (inlined by) base::(anonymous namespace)::MapPathsToLaunchpad(std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >, launchpad*) at ../../base/process/launch_fuchsia.cc:120
      (inlined by) base::LaunchProcess(std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, base::LaunchOptions const&) at ../../base/process/launch_fuchsia.cc:229
#05: base::LaunchProcess(base::CommandLine const&, base::LaunchOptions const&) at ../../base/process/launch_fuchsia.cc:148
#06: base::SpawnMultiProcessTestChild(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, base::CommandLine const&, base::LaunchOptions const&) at ../../base/test/multiprocess_test.cc:28
#07: base::MultiProcessTest::SpawnChildWithOptions(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, base::LaunchOptions const&) at ../../base/test/multiprocess_test.cc:65
#08: base::ProcessUtilTest_CloneAlternateDir_Test::TestBody() at ../../buildtools/third_party/libc++/trunk/include/string:1255
      (inlined by) std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::~basic_string() at ../../buildtools/third_party/libc++/trunk/include/string:1940
      (inlined by) base::ProcessUtilTest_CloneAlternateDir_Test::TestBody() at ../../base/process/process_util_unittest.cc:280
#09: testing::Test::Run() at ../../third_party/googletest/src/googletest/src/gtest.cc:5321
      (inlined by) testing::Test::Run() at ../../third_party/googletest/src/googletest/src/gtest.cc:2492
#10: testing::TestInfo::Run() at ../../third_party/googletest/src/googletest/src/gtest.cc:5321
      (inlined by) testing::TestInfo::Run() at ../../third_party/googletest/src/googletest/src/gtest.cc:2665
#11: testing::TestCase::Run() at ../../third_party/googletest/src/googletest/src/gtest.cc:2778
#12: testing::internal::UnitTestImpl::RunAllTests() at ../../third_party/googletest/src/googletest/src/gtest.cc:5035
#13: testing::UnitTest::Run() at ??:?
#14: RUN_ALL_TESTS() at ../../third_party/googletest/src/googletest/include/gtest/gtest.h:2314
      (inlined by) base::TestSuite::Run() at ../../base/test/test_suite.cc:275
#15: base::(anonymous namespace)::LaunchUnitTestsInternal(base::OnceCallback<int ()>, unsigned long, int, bool, base::OnceCallback<void ()>) at ../../base/callback.h:95
      (inlined by) base::(anonymous namespace)::LaunchUnitTestsInternal(base::OnceCallback<int ()>, unsigned long, int, bool, base::OnceCallback<void ()>) at ../../base/test/launcher/unit_test_launcher.cc:225
#16: base::LaunchUnitTests(int, char**, base::OnceCallback<int ()>) at ../../base/test/launcher/unit_test_launcher.cc:576
#17: main at ../../base/test/run_all_base_unittests.cc:12
#18: pc 0x49a0f9b5066e (libc.so,0x1366e)

[1/1] ProcessUtilTest.CloneAlternateDir (CRASHED)