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From: "ldv at altlinux dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sources.redhat.com
Subject: [Bug libc/9914] possible signed integer overflow in libio/iogetdelim.c
Date: Sat, 29 Oct 2011 22:12:00 -0000	[thread overview]
Message-ID: <bug-9914-131-ghSR0vzbo7@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-9914-131@http.sourceware.org/bugzilla/>

http://sourceware.org/bugzilla/show_bug.cgi?id=9914

Dmitry V. Levin <ldv at altlinux dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ldv at altlinux dot org
         Resolution|FIXED                       |WONTFIX

--- Comment #7 from Dmitry V. Levin <ldv at altlinux dot org> 2011-10-29 22:11:43 UTC ---
(In reply to comment #4)
> The compiler cannot know that the variables are not negative.  Therefore the
> test has to be emitted.

If a human can know the fact that these variables are not negative, then a
smart compiler also can deduce this fact.

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  parent reply	other threads:[~2011-10-29 22:12 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-9914-131@http.sourceware.org/bugzilla/>
2011-10-24 15:19 ` bugdal at aerifal dot cx
2011-10-29 20:33 ` drepper.fsp at gmail dot com
2011-10-29 20:44 ` jakub at redhat dot com
2011-10-29 21:17 ` drepper.fsp at gmail dot com
2011-10-29 21:20 ` bugdal at aerifal dot cx
2011-10-29 21:37 ` drepper.fsp at gmail dot com
2011-10-29 22:12 ` ldv at altlinux dot org [this message]
2011-10-30  5:38 ` bugdal at aerifal dot cx
2012-02-21  1:35 ` [Bug stdio/9914] " jsm28 at gcc dot gnu.org
2012-03-17 20:36 ` bugdal at aerifal dot cx
2012-03-18 14:28 ` jsm28 at gcc dot gnu.org
2012-09-04 11:27 ` jsm28 at gcc dot gnu.org
2014-07-01 20:44 ` fweimer at redhat dot com

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