linux-kernel - Re: Problem with global pages changeset and kvm

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: <137272d9-9c30-3b28-0903-07add5e2036b@linux.intel.com>
Date:   Tue, 8 May 2018 07:15:06 -0700
From:   Dave Hansen <dave.hansen@...ux.intel.com>
To:     Thadeu Lima de Souza Cascardo <cascardo@...onical.com>,
        linux-kernel@...r.kernel.org
Subject: Re: Problem with global pages changeset and kvm

Thanks for the excellent bug report!

On 05/08/2018 02:37 AM, Thadeu Lima de Souza Cascardo wrote:
> 2) The bad address is next to do_syscall_64 on the host.

So a host address leaked into a guest oops?

We should bring the KVM folks into this and probably also need to widen
the cc list quite a bit.

Can you boot the guest at all?