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SubjectRe: 30c2a1faaeb3db94fc92f79553cc72634aa3b218 broke cryptsetup on my machine
On Sat, Oct 10 2015 at  8:44P -0400,
Giedrius Statkevičius <giedrius.statkevicius@gmail.com> wrote:

> On Thu, 8 Oct 2015, Geliang Tang wrote:
>
> > On Wed, Oct 07, 2015 at 10:27:27PM +0300, Giedrius Statkevičius wrote:
> > > Hello,
> > > I have a LUKS on LVM setup: /boot is unencrypted and everything is "hidden" in
> > > /dev/sda2. After booting on linux-next and just after entering my password
> > > cryptsetup segfaults and a stack trace is printed from the kernel. Since writing
> > > down all those numbers is hard I've made a picture where it is shown:
> > > https://i.imgur.com/6PHNUdv.jpg
> > >
> > > I figured it had something to do with changes to memory management and thus find
> > > out that commit 30c2a1faaeb3db94fc92f79553cc72634aa3b218 broke my system.
> > > Reverting it there is no such error anymore and system boots fine past that
> > > point.
> > >
> > > Could someone look into this? Thanks, Giedrius
> >
> > Bugfix for this has been sended out.
> > https://lkml.org/lkml/2015/10/8/342.
> >
> > Thanks.
> I've tested and that fixed this issue for me. I would've replied on that thread
> but I can't find its Message-Id. Anyway, you can add:
> Tested-By: Giedrius Statkevičius <giedrius.statkevicius@gmail.com>

I dropped the original commit because I'm really not seeing the value of
using kvfree (but it was motivated by reports of crashes from ktest,
etc). I don't have any intention of picking it back up at this point
(so Geliang's fix will go unused at this point).

Mike


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