Pipes/PipeTest_BlockPartialWriteClosed/namednonblocking fails with overlayfs

[fvoznika]

bazel test //test/syscalls:pipe_test_runsc_ptrace_overlay

test/syscalls/linux/pipe.cc:79: Failure
Expected: (s1) > (0), actual: -1 vs 0
Stack trace:
0x5631ad4e96e7: cloud_gvisor::testing::(anonymous namespace)::PipeTest::Size() @ ??:??
0x5631ad4ea3be: std::__g::_Function_handler<void (), cloud_gvisor::testing::(anonymous namespace)::PipeTest_BlockPartialWriteClosed_Test::TestBody()::$_2>::_M_invoke(std::__g::_Any_data const&) @ ??:??
0x5631ad4e6cd0: std::__g::_Function_handler<void* (), cloud_gvisor::testing::ScopedThread::ScopedThread(std::__g::function<void ()> const&)::{lambda()#1}>::_M_invoke(std::__g::_Any_data const&) @ ??:??
0x7f9f2407d4e7: start_thread @ ??:??
0x7f9f23ef222c: __clone @ ??:??

[prattmic]

I'm on my phone, so I haven't checked closely, but I think this is expected. The overlay does not support copy up of named pipes.

…

On Wed, Jun 5, 2019, 16:41 Fabricio Voznika ***@***.***> wrote: bazel test //test/syscalls:pipe_test_runsc_ptrace_overlay test/syscalls/linux/pipe.cc:79: Failure Expected: (s1) > (0), actual: -1 vs 0 Stack trace: 0x5631ad4e96e7: cloud_gvisor::testing::(anonymous namespace)::PipeTest::Size() @ ??:?? 0x5631ad4ea3be: std::__g::_Function_handler<void (), cloud_gvisor::testing::(anonymous namespace)::PipeTest_BlockPartialWriteClosed_Test::TestBody()::$_2>::_M_invoke(std::__g::_Any_data const&) @ ??:?? 0x5631ad4e6cd0: std::__g::_Function_handler<void* (), cloud_gvisor::testing::ScopedThread::ScopedThread(std::__g::function<void ()> const&)::{lambda()#1}>::_M_invoke(std::__g::_Any_data const&) @ ??:?? 0x7f9f2407d4e7: start_thread @ ??:?? 0x7f9f23ef222c: __clone @ ??:?? — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#318?email_source=notifications&email_token=AAJ3XA25TJACHALINUJXRWLPZBFLRA5CNFSM4HUOS5DKYY3PNVWWK3TUL52HS4DFUVEXG43VMWVGG33NNVSW45C7NFSM4GX4UPFQ>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AAJ3XA4SNBU3IH4M5SKWNZ3PZBFLRANCNFSM4HUOS5DA> .