Messages in this thread | | | Date | Fri, 7 Nov 2008 11:05:44 -0800 | From | Greg KH <> | Subject | Re: v2.6.28-rc1: readlink /proc/*/exe returns uninitialized data to userspace |
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On Thu, Nov 06, 2008 at 11:04:10AM +0100, Ingo Molnar wrote: > > * Al Viro <viro@ZenIV.linux.org.uk> wrote: > > > On Tue, Nov 04, 2008 at 10:39:19AM +0100, Vegard Nossum wrote: > > > On Sun, Oct 26, 2008 at 10:08 PM, Vegard Nossum <vegard.nossum@gmail.com> wrote: > > > # uname -a > > > Linux localhost.localdomain 2.6.25.11-97.fc9.i686 #1 SMP Mon Jul 21 > > > 01:31:09 EDT 2008 i686 i686 i386 GNU/Linux > > > # prelink -mRf /sbin/udevd > > > # ./a.out /proc/564/exe > > > warning: /proc/564/exe: got return value 38, expected 11 > > > 2f7362696e2f7564657664005f47387942426e5952446e566f306868202864656c6574656429 > > > /sbin/udevd _G8yBBnYRDnVo0hh (deleted) > > > > > > Yoshiya Koyama reports that the problem exists on RHEL 2.6.9-42.ELsmp too. > > > > > > I don't think it's exactly the same problem as originally reported, > > > because I definitely wasn't using prelinking (the prelink binary > > > wasn't even installed on the machine until today). But finding the > > > root cause of this may solve both problems. > > > > switch_names() buggered in case of short names on both sides. That should > > help: > > > > >From 2acda856910b774717e0290bbf948c7dee0f2e1a Mon Sep 17 00:00:00 2001 > > From: Al Viro <viro@zeniv.linux.org.uk> > > Date: Mon, 3 Nov 2008 15:03:50 -0500 > > Subject: [PATCH] fix switch_names() breakage in short-to-short case > > > > We want ->name.len to match the resulting name on *both* > > source and target > > > > Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> > > please credit kmemcheck in the commit message and use an appropriate > Reported-by line as well. Thanks,
Did this fix ever get merged into Linus's tree?
thanks,
greg k-h
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