GNU bug report logs - #19061
[PATCH] dfa: building superset, access to unallocated memory

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Reported by: Norihiro Tanaka <noritnk <at> kcn.ne.jp>

Date: Sat, 15 Nov 2014 09:13:01 UTC

Severity: normal

Tags: patch

Done: Jim Meyering <jim <at> meyering.net>

Bug is archived. No further changes may be made.

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Message #31 received at 19061 <at> debbugs.gnu.org (full text, mbox):

From: Norihiro Tanaka <noritnk <at> kcn.ne.jp>
To: Jim Meyering <jim <at> meyering.net>
Cc: 19061 <19061 <at> debbugs.gnu.org>
Subject: Re: bug#19061: [PATCH] dfa: building superset,
 access to unallocated memory
Date: Mon, 17 Nov 2014 07:56:13 +0900

On Sun, 16 Nov 2014 07:48:34 -0800
Jim Meyering <jim <at> meyering.net> wrote:
> Does some code assume that V->charclasses != NULL implies
> 0 < V->calloc? I would argue that such code is incorrect.  I.e.,
> in the degenerate case (calloc == 0), the code should not
> distinguish between a NULL charclasses member and one
> that points to a malloc'd buffer of length 0.

Thanks for the pushing.  I understood that you said.
This bug report was last modified 10 years and 189 days ago.

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