linux-kernel - Re: [PATCH 5.14 060/151] KVM: PPC: Book3S HV: Fix stack handling in idle_kvm_start

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <YW6qXwnmhv6vMVof@kroah.com>
Date:   Tue, 19 Oct 2021 13:22:07 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH 5.14 060/151] KVM: PPC: Book3S HV: Fix stack handling in
 idle_kvm_start_guest()

On Tue, Oct 19, 2021 at 09:55:04PM +1100, Michael Ellerman wrote:
> Greg Kroah-Hartman <gregkh@...uxfoundation.org> writes:
> > From: Michael Ellerman <mpe@...erman.id.au>
> >
> > commit 9b4416c5095c20e110c82ae602c254099b83b72f upstream.
> >
> > In commit 10d91611f426 ("powerpc/64s: Reimplement book3s idle code in
> > C") kvm_start_guest() became idle_kvm_start_guest(). The old code
> > allocated a stack frame on the emergency stack, but didn't use the
> > frame to store anything, and also didn't store anything in its caller's
> > frame.
> 
> Please drop this and the next patch.

All now dropped from all 3 queues, thanks!

greg k-h