linux-kernel - Re: [PATCH 4.19 STABLE v2 0/2] KVM: VMX: Fix null pointer dereference

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] [day] [month] [year] [list]

Message-ID: <20200512114354.GA49138@kroah.com>
Date:   Tue, 12 May 2020 13:43:54 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Sean Christopherson <sean.j.christopherson@...el.com>
Cc:     stable@...r.kernel.org,
        Ben Hutchings <ben.hutchings@...ethink.co.uk>,
        Sasha Levin <sashal@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        linux-kernel@...r.kernel.org,
        Tobias Urdin <tobias.urdin@...ero.com>
Subject: Re: [PATCH 4.19 STABLE v2 0/2] KVM: VMX: Fix null pointer dereference

On Mon, May 11, 2020 at 05:28:13PM -0700, Sean Christopherson wrote:
> A simple fix for a null pointer dereference in vmx_vcpu_run() with an
> ugly-but-safe prereq patch.
> 
> The even uglier ASM_CALL_CONSTRAINT is gone in v2 as I finally figured
> out why vmx_return was undefined: GCC dropped the entire asm blob because
> all outputs were deemed unused.

Both now queued up, thanks.

greg k-h