From: Qi Yong <qiyong@fc-cn.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org, dhommel@gmail.com
Subject: Re: syscall: sys_promote
Date: Wed, 31 Aug 2005 15:58:47 +0800 [thread overview]
Message-ID: <43156337.9090406@fc-cn.com> (raw)
In-Reply-To: <1125318568.23946.15.camel@localhost.localdomain>
Alan Cox wrote:
>On Llu, 2005-08-29 at 11:54 +0800, qiyong wrote:
>
>
>>We can ignore it safely. sys_promote is a different approach from
>>selinux. sys_promote is to let sysadmin manually manipulate a running
>>process,
>>
>>
>
>You can ignore the patch easily enough. Ignoring the locking doesn't
>work because functionality like fork process counting, exec, and setuid
>all make definite assumptions that are not safe to tamper without unless
>you fix the uid locking.
>
>
Will this be helpful?
kill -STOP $pid
promote $pid
kill -CONT $pid
>Fixing it might be useful in some obscure cases anyway - POSIX threads
>might benefit from it too, providing the functionality of changing all
>thread uids at once isnt triggered for sensible threaded app behaviour.
>
>
>
>
next prev parent reply other threads:[~2005-08-31 7:58 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-26 9:25 syscall: sys_promote Coywolf Qi Hunt
2005-08-26 11:02 ` Coywolf Qi Hunt
2005-08-26 15:19 ` Alan Cox
2005-08-29 3:54 ` qiyong
2005-08-29 12:29 ` Alan Cox
2005-08-29 16:15 ` Trond Myklebust
[not found] ` <a36005b505082908415d9202d5@mail.gmail.com>
2005-08-31 7:53 ` Qi Yong
2005-08-31 7:58 ` Qi Yong [this message]
2005-08-26 12:47 ` Erik Mouw
2005-08-29 3:55 ` qiyong
2005-08-29 7:53 ` Bernd Petrovitsch
2005-08-29 8:16 ` Coywolf Qi Hunt
2005-08-29 8:53 ` Bernd Petrovitsch
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