New submission from Benjamin Peterson <[email protected]>:
test_prlimit tries to test that raising the hardlimit of an unprivileged
process. It tries to raise the hardlimit of pid 1, which usually raises a
PermissionError. However, if the tests are privileged, this test can't work.
The test tries to avoid this by only running the test if os.geteuid() != 0.
However, there are other cases. For example, if the test process isn't root but
has CAP_SYS_RESOURCE. While we could check for these other cases, I think we
should just delete this test. There's no special logic in the prlimit
implementation for handling permission errors, so it's not adding much value.
======================================================================
FAIL: test_prlimit (test.test_resource.ResourceTest)
----------------------------------------------------------------------
Traceback (most recent call last):
File
"/buildbot/buildarea/3.x.ware-alpine/build/Lib/test/support/__init__.py", line
587, in wrapper
return func(*args, **kw)
File "/buildbot/buildarea/3.x.ware-alpine/build/Lib/test/test_resource.py",
line 152, in test_prlimit
1, resource.RLIMIT_AS)
AssertionError: PermissionError not raised by prlimit
----------
components: Tests
messages: 325293
nosy: benjamin.peterson
priority: normal
severity: normal
status: open
title: test_resource fails if test has CAP_SYS_RESOURCE but isn't root
versions: Python 3.6, Python 3.7, Python 3.8
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Python tracker <[email protected]>
<https://bugs.python.org/issue34668>
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