linux-kernel - Re: Question for remount

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 23 Feb 2009 10:32:46 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
CC:	Paul Menage <menage@...gle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	containers@...ts.linux-foundation.org
Subject: Re: Question for remount

KAMEZAWA Hiroyuki wrote:
> Paul Menage さんは書きました：
>> On Fri, Feb 20, 2009 at 2:02 AM, KAMEZAWA Hiroyuki
>> <kamezawa.hiroyu@...fujitsu.com> wrote:
>>> 2. /proc/mounts information of release_agent should be updated....
>>>   when it's overwritten directly.
>> Yes, definitely. But shouldn't that happen already?
>> cgroup_show_options() reports the current value of
>> root->release_agent_path in /proc/mounts. Is it possible that mount is
>> actually storing/retrieving this information in /etc/mtab, which
>> doesn't get updated?
>>
> Ah, you're right. /proc/mounts is updated but /etc/mtab is not updated.
> Hmm..from man mount(1), /etc/mtab is not synchronized with /proc/mounts.
> Do we need to allow release_agent override at remount ?
> 

Since we've allowed this behavior, I think we shouldn't disallow it to
supprise users?

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/