From: "Ryan W. Maple" <ryan@guardiandigital.com>
To: Richard Mueller <mueller@teamix.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Strange SGID-Bit behavior with 2.2. and 2.4
Date: Thu, 20 Sep 2001 12:00:24 -0400 (EDT) [thread overview]
Message-ID: <20010920160025.9184611D304@juggernaut.guardiandigital.com> (raw)
In-Reply-To: <8414177426.20010920142457@teamix.net>
Did you upgrade/patch your fileutils anytime in between? Check this URL
out:
http://www.mail-archive.com/bug-fileutils@gnu.org/msg00934.html
cp was not clearing the SUID and SGID bits in the absense of -p.
Cheers,
Ryan
+-- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --+
Ryan W. Maple "I dunno, I dream in Perl sometimes..." -LW
Guardian Digital, Inc. ryan@guardiandigital.com
+-- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --+
On Thu, 20 Sep 2001, Richard Mueller wrote:
> Hello almighty kernelgods...
>
> a friend and I discovered some strange diffrence in the beahavior
> of the 2.4, 2.2 Kernels.
>
> Following Commands were done on both kernels:
> ---------------------------------------------
> su -
> cd /
> mkdir test
> chmod 2755 test
> chown rdd test
> su rdd
> cd /test
> touch a
> chgrp users a
> chmod 7777 a
> cp a b
> cp /bin/ls d
> chgrp users d
> chmod 7777 d
> cp d e
>
> These results are on 2.4.6
> --------------------------
> drwxr-sr-x 2 rdd root 190 Sep 14 15:17 .
> drwxr-xr-x 22 root root 455 Sep 14 14:59 ..
> -rwsrwsrwt 1 rdd users 0 Sep 14 15:00 a
> -rwsr-sr-t 1 rdd root 0 Sep 14 15:02 b
> -->^<-- What's that?
> -rwsrwsrwt 1 rdd users 46568 Sep 14 15:07 d
> -rwxr-xr-t 1 rdd root 46568 Sep 14 15:08 e
>
>
> And these on 2.2.16
> -------------------
> drwxr-sr-x 2 rdd root 103 Sep 14 15:13 .
> drwxr-xr-x 20 root root 369 Sep 14 15:10 ..
> -rwsrwsrwt 1 rdd users 0 Sep 14 15:12 a
> -rwsr-xr-t 1 rdd root 0 Sep 14 15:12 b
> -rwsrwsrwt 1 rdd users 41552 Sep 14 15:12 d
> -rwsr-xr-t 1 rdd root 41552 Sep 14 15:13 e
>
> It happens both with ext2 and reiserfs.
>
>
> Can anyone explain this behavior? Would be great.
>
> If this is a damn stupid question, please drop it and kill me. :|
>
>
> Richard Mueller
>
> -
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prev parent reply other threads:[~2001-09-20 16:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-20 12:24 Richard Mueller
2001-09-20 16:00 ` Ryan W. Maple [this message]
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