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From: Coywolf Qi Hunt <coywolf@gmail.com>
To: Yi Yang <yang.y.yi@gmail.com>
Cc: linux-kernel@vger.kernel.org, torvalds@osdl.org, gregkh@suse.de,
	akpm@osdl.org
Subject: Re: [PATCH] Fix user data corrupted by old value return of sysctl
Date: Sat, 31 Dec 2005 17:44:06 +0800	[thread overview]
Message-ID: <2cd57c900512310144o4aafd05en@mail.gmail.com> (raw)
In-Reply-To: <43B64ECA.8090004@gmail.com>

2005/12/31, Yi Yang <yang.y.yi@gmail.com>:
> Coywolf Qi Hunt wrote:
> >You didn't set the trailing '\0', I wonder how your printf did work
> >properly ever. You've just been lucky or something.
> >
> >-- Coywolf
> >
> >
> The variable target does it, its value is 0x00000001, so you mustn't
> worry it.
> osname only has 4-bytes space, so if you set '\0' to its tail, a byte
> information will be lost.

I'm worrying more. We should set '\0'. Let the one byte information
lost, the caller deserve that. Actually here printf sees "mylo"+'\01'
if little endian.

Linus, besides fixing bug, your commit certainly breaks userland
compatibility. Please consider.
--
Coywolf Qi Hunt

  reply	other threads:[~2005-12-31  9:44 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-30  8:40 [PATCH] Fix user data corrupted by old value return of sysctl Yi Yang
2005-12-30 17:25 ` Linus Torvalds
2005-12-31  1:08   ` Yi Yang
2005-12-31  9:25   ` Coywolf Qi Hunt
2005-12-31 11:47   ` YOSHIFUJI Hideaki / 吉藤英明
2005-12-30 22:31 ` David Wagner
2005-12-31  9:13 ` Coywolf Qi Hunt
2005-12-31  9:26   ` Yi Yang
2005-12-31  9:44     ` Coywolf Qi Hunt [this message]
2006-01-04  1:41       ` Yi Yang

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