From: Markus Trippelsdorf <markus@trippelsdorf.de>
To: Peter Stephenson <p.w.stephenson@ntlworld.com>
Cc: zsh-workers@zsh.org
Subject: Re: Two issues found with -fsanitize=undefined
Date: Mon, 21 Sep 2015 22:04:13 +0200 [thread overview]
Message-ID: <20150921200413.GA8913@x4> (raw)
In-Reply-To: <20150921201306.0017146b@ntlworld.com>
On 2015.09.21 at 20:13 +0100, Peter Stephenson wrote:
> On Thu, 17 Sep 2015 09:57:59 +0200
> Markus Trippelsdorf <markus@trippelsdorf.de> wrote:
> > 2)
> > compmatch.c:341:6: runtime error: null pointer passed as argument 2, which is declared to never be null}
> > Test ./Y02compmatch.ztst failed: output differs from expected as shown above for:
>
> This might be benign, if the final argument is also zero; this should
> tell us.
Yes:
matchbuflen: (null) with no matchbuf: 0
It looks like the issue doesn't happen with a -DDEBUG build.
I've changed the DPUTS line to:
fprintf(stderr, "matchbuflen: %s with no matchbuf: %x", matchbuf, matchbuflen);
--
Markus
next prev parent reply other threads:[~2015-09-21 20:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-17 7:57 Markus Trippelsdorf
2015-09-17 17:16 ` Bart Schaefer
2015-09-17 17:24 ` Markus Trippelsdorf
2015-09-17 17:41 ` Bart Schaefer
2015-09-19 19:57 ` Peter Stephenson
2015-09-19 20:18 ` Markus Trippelsdorf
2015-09-19 22:35 ` Peter Stephenson
2015-09-20 4:09 ` Bart Schaefer
2015-09-21 12:46 ` Peter Stephenson
2015-09-21 19:13 ` Peter Stephenson
2015-09-21 20:04 ` Markus Trippelsdorf [this message]
2015-09-21 20:21 ` Peter Stephenson
2015-09-21 20:34 ` Markus Trippelsdorf
2015-09-21 20:56 ` Bart Schaefer
2015-09-22 0:02 ` Markus Trippelsdorf
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