linux-kernel - Re: Linux 5.15.103

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Message-ID: <ZCLaLWJiIsDV5yGr@kroah.com>
Date:   Tue, 28 Mar 2023 14:14:37 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Mathias Krause <minipli@...ecurity.net>
Cc:     stable@...r.kernel.org, linux-kernel@...r.kernel.org,
        akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
        lwn@....net, jslaby@...e.cz
Subject: Re: Linux 5.15.103

On Tue, Mar 28, 2023 at 02:02:03PM +0200, Mathias Krause wrote:
> On 17.03.23 09:04, Greg Kroah-Hartman wrote:
> > I'm announcing the release of the 5.15.103 kernel.
> > 
> > [...]
> > 
> > Vitaly Kuznetsov (4):
> >       KVM: Optimize kvm_make_vcpus_request_mask() a bit
> >       KVM: Pre-allocate cpumasks for kvm_make_all_cpus_request_except()
> >       KVM: nVMX: Don't use Enlightened MSR Bitmap for L3
> >       KVM: VMX: Introduce vmx_msr_bitmap_l01_changed() helper
> > 
> 
> That list is missing commit 6470accc7ba9 ("KVM: x86: hyper-v: Avoid
> calling kvm_make_vcpus_request_mask() with vcpu_mask==NULL") to fulfill
> the prerequisite of "KVM: Optimize kvm_make_vcpus_request_mask() a bit".
> 
> Right now the kvm selftests trigger a kernel NULL deref for the hyperv
> test, making the system hang.
> 
> Please consider applying commit 6470accc7ba9 for the next v5.15.x release.

It wasn't tagged for the stable kernels, so we didn't pick it up :(

Have now done so, thanks.

greg k-h