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ansible / pylibssh

Python bindings specific to Ansible use case for libssh https://www.libssh.org/
https://ansible-pylibssh.rtfd.io
GNU Lesser General Public License v2.1
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[BUG] Flaky SEGFAULT while testing `exec_command` #57

Open webknjaz opened 4 years ago

webknjaz commented 4 years ago

_https://github.com/ansible/pylibssh/runs/725098816?check_suite_focus=true#step:10:146_:


[gw1] [ 16%] PASSED tests/unit/channel_test.py::test_exec_command Fatal Python error: Segmentation fault

Thread 0x00007f13f32a4700 (most recent call first):
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/execnet/gateway_base.py", line 400 in read
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/execnet/gateway_base.py", line 432 in from_io
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/execnet/gateway_base.py", line 967 in _thread_receiver
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/execnet/gateway_base.py", line 220 in run
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/execnet/gateway_base.py", line 285 in _perform_spawn

Current thread 0x00007f13f58cf680 (most recent call first):
  File "/home/runner/work/pylibssh/pylibssh/tests/unit/channel_test.py", line 22 in ssh_channel
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/fixtures.py", line 800 in _teardown_yield_fixture
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/fixtures.py", line 871 in finish
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/runner.py", line 318 in _callfinalizers
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/runner.py", line 328 in _teardown_with_finalization
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/runner.py", line 310 in _pop_and_teardown
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/runner.py", line 350 in _teardown_towards
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/runner.py", line 342 in teardown_exact
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/runner.py", line 148 in pytest_runtest_teardown
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/callers.py", line 187 in _multicall
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/manager.py", line 87 in <lambda>
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/manager.py", line 93 in _hookexec
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/hooks.py", line 286 in __call__
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/runner.py", line 217 in <lambda>
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/runner.py", line 244 in from_call
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/runner.py", line 217 in call_runtest_hook
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/runner.py", line 186 in call_and_report
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/runner.py", line 101 in runtestprotocol
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/runner.py", line 85 in pytest_runtest_protocol
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/callers.py", line 187 in _multicall
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/manager.py", line 87 in <lambda>
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/manager.py", line 93 in _hookexec
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/hooks.py", line 286 in __call__
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/xdist/remote.py", line 88 in run_one_test
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/xdist/remote.py", line 71 in pytest_runtestloop
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/callers.py", line 187 in _multicall
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/manager.py", line 87 in <lambda>
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/manager.py", line 93 in _hookexec
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/hooks.py", line 286 in __call__
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/main.py", line 247 in _main
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/main.py", line 191 in wrap_session
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/_pytest/main.py", line 240 in pytest_cmdline_main
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/callers.py", line 187 in _multicall
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/manager.py", line 87 in <lambda>
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/manager.py", line 93 in _hookexec
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/pluggy/hooks.py", line 286 in __call__
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/xdist/remote.py", line 261 in <module>
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/execnet/gateway_base.py", line 1084 in executetask
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/execnet/gateway_base.py", line 220 in run
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/execnet/gateway_base.py", line 285 in _perform_spawn
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/execnet/gateway_base.py", line 267 in integrate_as_primary_thread
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/execnet/gateway_base.py", line 1060 in serve
  File "/home/runner/work/pylibssh/pylibssh/.tox/test-binary-dists/lib/python3.7/site-packages/execnet/gateway_base.py", line 1554 in serve
  File "<string>", line 8 in <module>
  File "<string>", line 1 in <module>
[gw1] node down: Not properly terminated
[gw1] [ 91%] FAILED tests/unit/channel_test.py::test_exec_command 
replacing crashed worker gw1
ganeshrn commented 4 years ago

Fixed by PR https://github.com/ansible/pylibssh/pull/60

webknjaz commented 4 years ago

More segfaults appeared recently under both macos and ubuntu:

webknjaz commented 9 months ago

NOTE: There's a chance this might be addressed by #576.