From: Andreas Schwab <schwab@linux-m68k.org>
To: kusmabite@gmail.com
Cc: Philip Oakley <philipoakley@iee.org>, "Koch\,
Rick \(Subcontractor\)" <Rick.Koch@tbe.com>,
Git List <git@vger.kernel.org>
Subject: Re: CPPCheck found 24 high risk bugs in Git v.1.8.3.4
Date: Wed, 21 Aug 2013 01:01:32 +0200 [thread overview]
Message-ID: <87y57wnf03.fsf@igel.home> (raw)
In-Reply-To: <CABPQNSZSXgvLw_i25em38B70EgtZrv9iQh8OaCJzYRCk2vjZXQ@mail.gmail.com> (Erik Faye-Lund's message of "Wed, 21 Aug 2013 00:26:38 +0200")
Erik Faye-Lund <kusmabite@gmail.com> writes:
> I don't see how it's undefined. It's using the memory that 'pos'
> *points to* that is undefined, no? The difference between 'pos' and
> 'str' should still be the same, it's not like realloc somehow
> magically updates 'pos'...
It does. Think of segmented architectures, where freeing a pointer
invalidates its segment, so that even loading the value of the pointer
traps. Probably no such architecture is in use any more, though.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2013-08-20 23:01 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-19 17:09 CPPCheck found 24 high risk bugs in Git v.1.8.3.4 Koch, Rick (Subcontractor)
2013-08-19 20:03 ` Philip Oakley
2013-08-19 20:40 ` Jeff King
2013-08-19 20:46 ` Junio C Hamano
2013-08-19 20:52 ` Johan Herland
[not found] ` <85C8141E5DAD94428A121F706995A31F010F116FDADE@MX1.net.tbe.com>
2013-08-19 21:46 ` Philip Oakley
2013-08-23 19:51 ` CPPCheck found 24 high risk bugs in Git v.1.8.3.4 (fetch.c L588) Philip Oakley
2013-08-19 22:55 ` CPPCheck found 24 high risk bugs in Git v.1.8.3.4 Philip Oakley
2013-08-19 23:15 ` Erik Faye-Lund
2013-08-20 14:33 ` Jeff King
2013-08-20 18:44 ` Andreas Schwab
2013-08-20 20:34 ` René Scharfe
2013-08-20 22:28 ` Erik Faye-Lund
2013-08-20 22:26 ` Erik Faye-Lund
2013-08-20 23:01 ` Andreas Schwab [this message]
2013-08-20 23:45 ` Junio C Hamano
2013-08-21 0:01 ` Erik Faye-Lund
2013-08-19 21:36 ` Stefan Beller
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