From: Alexey Dobriyan <adobriyan@gmail.com>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Dave Jones <davej@redhat.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Lucas De Marchi <lucas.demarchi@profusion.mobi>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [3.3-rc7] sys_poll use after free (hibernate)
Date: Mon, 19 Mar 2012 11:17:53 +0300 [thread overview]
Message-ID: <20120319081753.GA3333@p183.telecom.by> (raw)
In-Reply-To: <20120318192755.GB6589@ZenIV.linux.org.uk>
On Sun, Mar 18, 2012 at 07:27:55PM +0000, Al Viro wrote:
> On Sun, Mar 18, 2012 at 12:02:04PM -0700, Linus Torvalds wrote:
> Incidentally, I wonder if we want the whole thing in fs/proc; the argument
> against splitoff to a separate fs used to be "that would break userland
> setups - can't ask people to update /etc/fstab or init scripts to mount
> that thing on /proc/sys". Fair enough, but... what's to stop us from slapping
> ->d_automount() on /proc/sys like that:
> struct vfsmount *mnt = vfs_kern_mount(&sysctlfs_type, 0, "sysctl", 0);
> if (!IS_ERR(mnt))
> mntget(mnt);
> return mnt;
> and we are all set. IOW, now that ->d_automount() stuff is there, we can
> do that easily without any userland breakage. Comments?
IIRC, fstab argument was the only one.
next prev parent reply other threads:[~2012-03-19 8:18 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-13 0:58 [3.3-rc7] sys_poll use after free (hibernate) Dave Jones
2012-03-18 19:02 ` Linus Torvalds
2012-03-18 19:27 ` Al Viro
2012-03-19 8:17 ` Alexey Dobriyan [this message]
2012-03-20 6:08 ` Lucas De Marchi
2012-03-20 18:29 ` [PATCH] sysctl: protect poll() in entries that may go away Lucas De Marchi
2012-03-22 21:31 ` [3.3-rc7] sys_poll use after free (hibernate) Eric W. Biederman
2012-03-22 22:12 ` Lucas De Marchi
2012-03-22 23:02 ` Eric W. Biederman
2012-03-24 0:25 ` [REVIEW][PATCH] Making poll generally useful for sysctls Eric W. Biederman
2012-03-24 6:20 ` Lucas De Marchi
2012-03-24 7:58 ` Eric W. Biederman
2012-03-26 17:44 ` Lucas De Marchi
2012-03-26 17:44 ` Lucas De Marchi
2012-03-27 4:02 ` Lucas De Marchi
2012-03-27 4:02 ` Lucas De Marchi
2012-03-28 2:00 ` Eric W. Biederman
2012-03-22 22:24 ` [3.3-rc7] sys_poll use after free (hibernate) Eric W. Biederman
2012-03-18 19:47 ` richard -rw- weinberger
2012-03-18 21:24 ` Dave Jones
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