linux-kernel - Re: [PATCH 1/4] KVM: s390: vsie: Fix STFLE interpretive execution identification

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Message-ID: <5aa4f2d5-94b5-4e7b-92e1-58ed1d013d00@redhat.com>
Date:   Fri, 3 Nov 2023 19:32:49 +0100
From:   David Hildenbrand <david@...hat.com>
To:     Nina Schoetterl-Glausch <nsg@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        David Hildenbrand <dahi@...ux.vnet.ibm.com>,
        Claudio Imbrenda <imbrenda@...ux.ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>
Cc:     kvm@...r.kernel.org, Michael Mueller <mimu@...ux.vnet.ibm.com>,
        linux-s390@...r.kernel.org,
        Cornelia Huck <cornelia.huck@...ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] KVM: s390: vsie: Fix STFLE interpretive execution
 identification

On 03.11.23 18:30, Nina Schoetterl-Glausch wrote:
> STFLE can be interpretively executed.
> This occurs when the facility list designation is unequal to zero.
> Perform the check before applying the address mask instead of after.
> 
> Fixes: 66b630d5b7f2 ("KVM: s390: vsie: support STFLE interpretation")
> Signed-off-by: Nina Schoetterl-Glausch <nsg@...ux.ibm.com>

No access to documentation, but sounds plausible.

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers,

David / dhildenb