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Cleanup test_faulthandler sanitizer skip logic. (GH-11381) 

Also skip the same tests when using the undefined behavior sanitizer
as they much with the output.

Updates a regex in another test to use multi-line mode so that the ubsan
buildbot should pass again rather than also adding a skip to that one.
(cherry picked from commit 30e023256a)

Co-authored-by: Gregory P. Smith <greg@krypto.org>
This commit is contained in:
Miss Islington (bot) 2018-12-30 18:28:11 -08:00 committed by GitHub
parent a144feeb7e
commit e404299057
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 15 additions and 8 deletions
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23
Lib/test/test_faulthandler.py
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@ -20,10 +20,17 @@ except ImportError:
TIMEOUT = 0.5
MS_WINDOWS = (os.name == 'nt')
MEMORY_SANITIZER = (
sysconfig.get_config_var("CONFIG_ARGS") and
("--with-memory-sanitizer" in sysconfig.get_config_var("CONFIG_ARGS"))
_cflags = sysconfig.get_config_var('CFLAGS') or ''
_config_args = sysconfig.get_config_var('CONFIG_ARGS') or ''
UB_SANITIZER = (
'-fsanitizer=undefined' in _cflags or
'--with-undefined-behavior-sanitizer' in _config_args
)
MEMORY_SANITIZER = (
'-fsanitizer=memory' in _cflags or
'--with-memory-sanitizer' in _config_args
)
def expected_traceback(lineno1, lineno2, header, min_count=1):
regex = header
@ -99,7 +106,7 @@ class FaultHandlerTests(unittest.TestCase):
else:
header = 'Stack'
regex = r"""
^{fatal_error}
(?m)^{fatal_error}
{header} \(most recent call first\):
File "<string>", line {lineno} in <module>
@ -257,8 +264,8 @@ class FaultHandlerTests(unittest.TestCase):
3,
'Segmentation fault')
@unittest.skipIf(MEMORY_SANITIZER,
"memory-sanizer builds change crashing process output.")
@unittest.skipIf(UB_SANITIZER or MEMORY_SANITIZER,
"sanizer builds change crashing process output.")
@skip_segfault_on_android
def test_enable_file(self):
with temporary_filename() as filename:
@ -274,8 +281,8 @@ class FaultHandlerTests(unittest.TestCase):
@unittest.skipIf(sys.platform == "win32",
"subprocess doesn't support pass_fds on Windows")
@unittest.skipIf(MEMORY_SANITIZER,
"memory-sanizer builds change crashing process output.")
@unittest.skipIf(UB_SANITIZER or MEMORY_SANITIZER,
"sanizer builds change crashing process output.")
@skip_segfault_on_android
def test_enable_fd(self):
with tempfile.TemporaryFile('wb+') as fp: