Re: [PATCH-RFC] code for raceless /sys/fs/foofs/*

From: Trond Myklebust
Date: Wed May 05 2004 - 12:10:54 EST


On Wed, 2004-05-05 at 12:36, viro@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
wrote:

> We also allow anyone with sysfs mounted to see which filesystems are currently
> mounted on the box - again, regardless of being able to see them in the
> chroot jail/restricted namespace/etc. It can easily become an issue in
> setups where such information is sensitive.

...but are you *really* likely to be mounting sysfs in a chrooted jail
or restricted namespace?

...and if you do, aren't you more likely to simply 'mount --bind' those
minimal parts of sysfs that you actually need for the given process that
is gaoled?

Cheers,
Trond
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