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

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Package: grep;

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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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Jim Meyering <jim <at> meyering.net>, Norihiro Tanaka <noritnk <at> kcn.ne.jp>
Cc: 19061 <at> debbugs.gnu.org
Subject: bug#19061: [PATCH] dfa: building superset, access to unallocated memory
Date: Sat, 15 Nov 2014 12:59:13 -0800

Jim Meyering wrote:
> Perhaps you found a system whose memcpy
> dereferences the source pointer even when the size is 0?

That seems pretty unlikely, on a flat-address-space machine.  And grep already 
assumes a flat address space, since gnulib does.
This bug report was last modified 10 years and 190 days ago.

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