linux-kernel - Re: 2.6.35.4: sudo rmmod ahci @ 2.6.35.4 succeeds: filesystem access errors follow

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]

Message-ID: <20100907202143.02cf60ec@varda>
Date:	Tue, 7 Sep 2010 20:21:43 +0200
From:	Alejandro Riveira Fernández 
	<ariveira@...il.com>
To:	Pedro Francisco <pedrogfrancisco@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.35.4: sudo rmmod ahci @ 2.6.35.4 succeeds: filesystem
 access errors follow

El Tue, 7 Sep 2010 18:34:27 +0100
Pedro Francisco <pedrogfrancisco@...il.com> escribió:

> sudo rmmod ahci @ 2.6.35.4 succeeds: filesystem access errors follow.
> 
> Now what I'm surprised is not the filesystem errors but me being allowed to 
> remove the module without using the '-f' option.
> 
> Do note, lsmod |grep ahci reports something like [this is adapted from a 
> 2.6.32 kernel]:
> 
> ahci                   32200  0
> 
> so it isn't at all surprising I'm being allowed to remove a seemingly unused 
> module. So....
> a) is this supposed to happen?

 Yes afaics. root can do many stupid things if (s)he wants
 including « rm -rf --no-preserve-root / »

> b) do you need any more info?
> 
> P.S.: CC'ing me will probably ensure I'll reply faster but not explicitly 
> needed since I'm subscribed.
--
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/