linux-fsdevel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
To: Hans-Peter Jansen <hpj-2x7n3sizJbFeoWH0uzbU5w@public.gmane.org>
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"Dr. David Alan Gilbert"
	<linux-+/IOoXIu7VZAfugRpC6u6w@public.gmane.org>,
	Karel Zak <kzak-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	util-linux-ng-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Adding subroot information to /proc/mounts, or obtaining that through other means
Date: Thu, 21 Jun 2007 12:19:19 -0700	[thread overview]
Message-ID: <467ACF37.8050504@zytor.com> (raw)
In-Reply-To: <200706212114.25705.hpj-2x7n3sizJbFeoWH0uzbU5w@public.gmane.org>

Hans-Peter Jansen wrote:
>> That's already handled just fine:
>>
>> bash-3.1$ mkdir /tmp/'Jag är: \
>> en liten mask'
>> bash-3.1$ sudo mount -t tmpfs none '/tmp/Jag är: \
>> en liten mask'/
>> bash-3.1$ tail -1 /proc/mounts
>> none /tmp/Jag\040är:\040\134\012en\040liten\040mask tmpfs rw 0 0
>> bash-3.1$
> 
> Hmm, and what about the even sicker case: /tmp/\040, parse as /tmp/\\040?
> Do userspace cope with this?

Look at the example above, it contains a backslash already.  It's
escaped as \134.

"Does userspace cope with this" is of course an impossible question to
answer, since userspace is in theory unbounded.  However, if it doesn't,
it is broken and needs to be fixed.

	-hpa

  parent reply	other threads:[~2007-06-21 19:19 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-20 20:57 Adding subroot information to /proc/mounts, or obtaining that through other means H. Peter Anvin
2007-06-20 21:03 ` Al Viro
2007-06-20 21:20   ` H. Peter Anvin
     [not found]     ` <46799A31.10301-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2007-06-21 16:20       ` Ram Pai
     [not found]         ` <1182442837.3342.13.camel-kj2lFfaA5cHMbYB6QlFGEg@public.gmane.org>
2007-06-21 16:29           ` H. Peter Anvin
     [not found]             ` <467AA76F.9090107-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2007-06-21 17:20               ` Ram Pai
2007-06-21 17:31           ` H. Peter Anvin
     [not found]             ` <467AB5EE.3030909-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2007-06-21 17:43               ` H. Peter Anvin
2007-06-22  6:44             ` Ram Pai
     [not found]               ` <1182494654.2812.22.camel-kj2lFfaA5cHMbYB6QlFGEg@public.gmane.org>
2007-06-22  7:06                 ` H. Peter Anvin
2007-06-22  7:34                   ` Ram Pai
2007-06-22  7:51                     ` H. Peter Anvin
     [not found]                       ` <20070625214640.GC29058@ram.us.ibm.com>
2007-06-25 22:00                         ` [RFC PATCH 1/1] VFS: Augment /proc/mount with subroot and shared-subtree Ram Pai
     [not found]                           ` <1182808816.2816.7.camel-kj2lFfaA5cHMbYB6QlFGEg@public.gmane.org>
2007-06-26  8:01                             ` Karel Zak
2007-06-26 14:34                               ` H. Peter Anvin
2007-06-30  9:44                           ` Christoph Hellwig
2007-06-30 12:56                             ` H. Peter Anvin
     [not found]                               ` <468652E2.4050901-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2007-07-11 10:24                                 ` Christoph Hellwig
2007-07-11 15:42                                   ` Ram Pai
     [not found]                         ` <20070625214640.GC29058-kj2lFfaA5cHMbYB6QlFGEg@public.gmane.org>
2007-07-16 18:46                           ` [RFC2 " Ram Pai
     [not found]   ` <20070620210343.GQ21478-rfM+Q5joDG/XmaaqVzeoHQ@public.gmane.org>
2007-06-20 22:24     ` Adding subroot information to /proc/mounts, or obtaining that through other means Karel Zak
     [not found]       ` <20070620222437.GY7226-CxBs/XhZ2BtHjqfyn1fVYA@public.gmane.org>
2007-06-20 22:39         ` H. Peter Anvin
2007-06-21 16:13     ` H. Peter Anvin
2007-06-21 16:49       ` Serge E. Hallyn
     [not found]         ` <20070621164907.GB28311-6s5zFf/epYLPQpwDFJZrxKsjOiXwFzmk@public.gmane.org>
2007-06-21 16:51           ` H. Peter Anvin
2007-06-20 22:33   ` Chuck Lever
     [not found]     ` <4679AB39.4010909-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2007-06-20 22:41       ` H. Peter Anvin
     [not found]         ` <4679AD0F.3040207-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2007-06-20 22:48           ` Chuck Lever
2007-06-20 22:57             ` H. Peter Anvin
     [not found]               ` <4679B0C5.3030102-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2007-06-20 23:02                 ` Chuck Lever
2007-06-28 14:53   ` Pavel Machek
     [not found]     ` <20070628145308.GD5339-+ZI9xUNit7I@public.gmane.org>
2007-06-28 15:36       ` H. Peter Anvin
     [not found] ` <467994BD.6000403-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2007-06-20 22:05   ` Karel Zak
2007-06-20 22:07     ` H. Peter Anvin
     [not found]     ` <20070620220551.GX7226-CxBs/XhZ2BtHjqfyn1fVYA@public.gmane.org>
2007-06-20 22:41       ` Dr. David Alan Gilbert
2007-06-20 22:46         ` H. Peter Anvin
     [not found]           ` <4679AE5E.4050001-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2007-06-21 19:14             ` Hans-Peter Jansen
     [not found]               ` <200706212114.25705.hpj-2x7n3sizJbFeoWH0uzbU5w@public.gmane.org>
2007-06-21 19:19                 ` H. Peter Anvin [this message]
2007-06-20 22:55 ` Nix
2007-06-21 10:45   ` Miklos Szeredi
     [not found]     ` <E1I1KA8-0007Fu-00-VFwzv6uONVrxNFs70CDYszOMxtEWgIxa@public.gmane.org>
2007-06-21 19:42       ` Nix

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=467ACF37.8050504@zytor.com \
    --to=hpa-ymnouzjc4hwavxtiumwx3w@public.gmane.org \
    --cc=hpj-2x7n3sizJbFeoWH0uzbU5w@public.gmane.org \
    --cc=kzak-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
    --cc=linux-+/IOoXIu7VZAfugRpC6u6w@public.gmane.org \
    --cc=linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=util-linux-ng-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).