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From: viro@parcelfarce.linux.theplanet.co.uk
To: Andrew Morton <akpm@osdl.org>
Cc: hch@infradead.org, linux-kernel@vger.kernel.org,
	olaf+list.linux-kernel@olafdietsche.de
Subject: Re: procfs permissions on 2.6.x
Date: Sun, 4 Jul 2004 23:13:02 +0100	[thread overview]
Message-ID: <20040704221302.GW12308@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <20040704145542.4d1723f5.akpm@osdl.org>

On Sun, Jul 04, 2004 at 02:55:42PM -0700, Andrew Morton wrote:
> 
> Some do.  On my test box 1000-odd /proc inodes get allocated and fully
> freed on each `ls -R /proc'.  65 /proc inodes are freed during `ls -lR
> /proc/net'.  So maybe it isn't working completely.
> 
> But proc_notify_change() copies the inode's uid, gid and mode into the
> proc_dir_entry, so they get correctly initialised when the inode is
> reinstantiated, so afaict we have no bug here.

Why on the earth do we ever want to allow chown/chmod on procfs in the first
place?

Al, who'd missed that stuff back in 2.5.42, but would love to hear explanation
anyway.

  reply	other threads:[~2004-07-04 22:13 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-03 20:22 Herbert Poetzl
2004-07-03 20:25 ` Christoph Hellwig
2004-07-03 20:35   ` Andrew Morton
2004-07-03 21:04     ` Christoph Hellwig
2004-07-03 21:35       ` Andrew Morton
2004-07-04 21:35         ` viro
2004-07-04 21:55           ` Andrew Morton
2004-07-04 22:13             ` viro [this message]
2004-07-04 22:43               ` Andrew Morton
2004-07-06  3:31                 ` Andy Lutomirski
2004-07-05  1:50               ` Clemens Schwaighofer
2004-07-05  1:55                 ` viro
2004-07-05  8:05                 ` Duncan Sands
2004-07-05  8:14                   ` Clemens Schwaighofer
2004-07-04  1:27     ` bert hubert
     [not found] <2dZjc-7BP-15@gated-at.bofh.it>
     [not found] ` <2dZjf-7BP-27@gated-at.bofh.it>
     [not found]   ` <2dZsQ-7GF-23@gated-at.bofh.it>
     [not found]     ` <2dZVV-867-33@gated-at.bofh.it>
     [not found]       ` <2e0oZ-8lm-35@gated-at.bofh.it>
     [not found]         ` <2emSs-6R8-17@gated-at.bofh.it>
     [not found]           ` <2enbS-72q-19@gated-at.bofh.it>
     [not found]             ` <2env9-7li-9@gated-at.bofh.it>
2004-07-04 22:25               ` Andi Kleen
2004-07-04 22:37                 ` FabF
2004-07-04 23:30                   ` Paul Jackson

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