New submission from Andreas Schwab:
test_register_chain fails on aarch64 due to signal stack overflow, when
re-raising the signal in faulthandler_user. The problem is that the signal
stack can only handle a single signal frame, but faulthandler_user adds a
second one. _Py_Faulthandler_Init should allocate twice the amount of stack to
cater for the two signal frames.
======================================================================
FAIL: test_register_chain (test.test_faulthandler.FaultHandlerTests)
----------------------------------------------------------------------
Traceback (most recent call last):
File
"/home/abuild/rpmbuild/BUILD/Python-3.4.1/Lib/test/test_faulthandler.py", line
592, in test_register_chain
self.check_register(chain=True)
File
"/home/abuild/rpmbuild/BUILD/Python-3.4.1/Lib/test/test_faulthandler.py", line
576, in check_register
self.assertEqual(exitcode, 0)
AssertionError: -11 != 0
----------------------------------------------------------------------
----------
components: Extension Modules
messages: 227667
nosy: schwab
priority: normal
severity: normal
status: open
title: Signal stack overflow in faulthandler_user
type: resource usage
versions: Python 3.4
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue22503>
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