[New-bugs-announce] [issue43587] Long string arguments cause nis.map() segfault

[Xinmeng Xia]

New submission from Xinmeng Xia <xiaxm at smail.nju.edu.cn>:

nis.maps() with long string argument will lead to segfault of interpreter.  See the following example:

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Python 3.10.0a6 (default, Mar 19 2021, 11:45:56) [GCC 7.5.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import nis;
>>> nis.maps('abs/'*10000000)
Segmentation fault (core dumped)
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System: ubuntu 16.04

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components: Library (Lib)
messages: 389280
nosy: xxm
priority: normal
severity: normal
status: open
title: Long string arguments cause nis.map() segfault
type: crash
versions: Python 3.10

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43587>
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