New submission from Nick Coghlan:
test_readline is consistently failing with an assertion failure in debug
builds. I'm going to add a skip for the time being, because I don't know the
UnicodeWriter or UTF7 code well enough to guess where the inconsistency may be
being introduced.
Relevant extract from faulthandler stack dump:
Current thread 0x00007f83a3e14740 (most recent call first):
File "/home/ncoghlan/devel/py3k/Lib/codecs.py", line 494 in read
File "/home/ncoghlan/devel/py3k/Lib/codecs.py", line 548 in readline
File "/home/ncoghlan/devel/py3k/Lib/test/test_codecs.py", line 168 in
test_readline
Relevant extract from gdb trace:
#4 0x00000000004f092f in _PyUnicode_CheckConsistency (
op='xxx\naaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
check_content=1)
at Objects/unicodeobject.c:410
#5 0x0000000000544b75 in _PyUnicodeWriter_Finish (writer=0x7ffffffd7d40) at
Objects/unicodeobject.c:13503
#6 0x0000000000510f5b in PyUnicode_DecodeUTF7Stateful (s=0x7fffed18b5b8 "",
size=72,
errors=0x7ffff19db0e8 "strict", consumed=0x7ffffffd7e48) at
Objects/unicodeobject.c:4472
#7 0x0000000000607922 in utf_7_decode (self=<module at remote 0x7ffff197cd58>,
args=(b'xxx\naaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa+ICg',
'strict'))
at ./Modules/_codecsmodule.c:271
----------
assignee: serhiy.storchaka
keywords: 3.4regression, buildbot
messages: 210467
nosy: larry, ncoghlan, serhiy.storchaka
priority: release blocker
severity: normal
stage: needs patch
status: open
title: Assertion failure in test_readline
type: crash
versions: Python 3.4
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue20542>
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