linux-kernel - Re: [PATCH v7 15/15] KVM: s390: fix possible null pointer dereference in pending

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Date:   Tue, 5 Feb 2019 09:57:47 +0100
From:   Christian Borntraeger <borntraeger@...ibm.com>
To:     Cornelia Huck <cohuck@...hat.com>,
        Michael Mueller <mimu@...ux.ibm.com>
Cc:     KVM Mailing List <kvm@...r.kernel.org>,
        Linux-S390 Mailing List <linux-s390@...r.kernel.org>,
        linux-kernel@...r.kernel.org,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>,
        David Hildenbrand <david@...hat.com>,
        Halil Pasic <pasic@...ux.ibm.com>,
        Pierre Morel <pmorel@...ux.ibm.com>
Subject: Re: [PATCH v7 15/15] KVM: s390: fix possible null pointer dereference
 in pending_irqs()



On 31.01.2019 18:47, Cornelia Huck wrote:
> On Thu, 31 Jan 2019 09:52:46 +0100
> Michael Mueller <mimu@...ux.ibm.com> wrote:
> 
>> Assure a GISA is in use before accessing the IPM to avoid a
>> null pointer dereference issue.
> 
> This series can hopefully make it into the next merge window;
> otherwise, queuing a patch fixing up the original code would be good.


Yes, I plan to apply this series today.
> 
>>
>> Signed-off-by: Michael Mueller <mimu@...ux.ibm.com>
>> Reported-by: Halil Pasic <pasic@...ux.ibm.com>
>> ---
>>  arch/s390/kvm/interrupt.c | 10 +++++++---
>>  1 file changed, 7 insertions(+), 3 deletions(-)
> 
> Reviewed-by: Cornelia Huck <cohuck@...hat.com>
>