NetBSD Problem Report #55441

From jruohone@gmail.com  Wed Jul  1 03:46:05 2020
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Date: Wed,  1 Jul 2020 06:45:56 +0300 (EEST)
From: jruohonen@iki.fi
Sender: j ruohonen <jruohone@gmail.com>
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To: gnats-bugs@NetBSD.org
Subject: mktemp(3) does not accept an arbitrary number of 'X's
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>Number:         55441
>Category:       lib
>Synopsis:       mktemp(3) does not accept an arbitrary number of 'X's
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    lib-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jul 01 03:50:00 +0000 2020
>Last-Modified:  Wed Jul 01 05:40:01 +0000 2020
>Originator:     jruohonen@iki.fi
>Release:        NetBSD 9.99.68
>Organization:
>Environment:
System: NetBSD kafka 9.99.68 NetBSD 9.99.68 (CUSTOM) #0: Tue Jun 23 11:22:56 EEST 2020 jruoho@kafka:/tmp/obj/sys/arch/amd64/compile/CUSTOM amd64
Architecture: x86_64
Machine: amd64
>Description:
The mktemp(3) manual page says: 

"Although the NetBSD mplementation of the functions will accept any number
of trailing ‘X’s [...]".

However, this claim seems to be untrue. Note that the whole mktemp(3) family
of functions is affected.

>How-To-Repeat:
Try mktemp(3) with a template containing, e.g., PATH_MAX of 'X's.
>Fix:
Either fix the implementation or the documentation.

>Audit-Trail:
From: "Jukka Ruohonen" <jruoho@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/55441 CVS commit: src/tests/lib/libc/stdlib
Date: Wed, 1 Jul 2020 05:37:25 +0000

 Module Name:	src
 Committed By:	jruoho
 Date:		Wed Jul  1 05:37:25 UTC 2020

 Modified Files:
 	src/tests/lib/libc/stdlib: t_mktemp.c

 Log Message:
 Add basic tests for the rest of the mktemp(3) family of functions, including
 a case for PR lib/55441.


 To generate a diff of this commit:
 cvs rdiff -u -r1.1 -r1.2 src/tests/lib/libc/stdlib/t_mktemp.c

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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