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Thu, 1 Aug 2024 09:11:31 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D6B2C2004E; Thu, 1 Aug 2024 09:11:28 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AF88020040; Thu, 1 Aug 2024 09:11:28 +0000 (GMT) Received: from [9.152.224.253] (unknown [9.152.224.253]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 1 Aug 2024 09:11:28 +0000 (GMT) Message-ID: <5f7e1c60-abfe-46d4-b54e-55bddfe7a7b6@linux.ibm.com> Date: Thu, 1 Aug 2024 11:11:28 +0200 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 09/10] selftests: kvm: s390: Verify reject memory region operations for ucontrol VMs To: Christoph Schlameuss , kvm@vger.kernel.org Cc: linux-s390@vger.kernel.org, linux-kselftest@vger.kernel.org, Paolo Bonzini , Shuah Khan , Christian Borntraeger , Claudio Imbrenda , David Hildenbrand , Nina Schoetterl-Glausch References: <20240730072413.143556-1-schlameuss@linux.ibm.com> <20240730072413.143556-10-schlameuss@linux.ibm.com> Content-Language: en-US From: Janosch Frank Autocrypt: addr=frankja@linux.ibm.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: suAryflbf68CuakWTx0CbO2OtmHXKXzf X-Proofpoint-GUID: 3571YeThcUhYZctpdR3TfLXL2fqn_ZAS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-01_06,2024-07-31_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 spamscore=0 phishscore=0 mlxscore=0 mlxlogscore=862 suspectscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 impostorscore=0 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2408010053 On 7/30/24 9:24 AM, Christoph Schlameuss wrote: > Add a test case verifying KVM_SET_USER_MEMORY_REGION and > KVM_SET_USER_MEMORY_REGION2 cannot be executed on ucontrol VMs. > > Executing this test case on not patched kernels will cause a null > pointer dereference in the host kernel. > This is fixed with commit: > commit 7816e58967d0 ("kvm: s390: Reject memory region operations for ucontrol VMs") Reviewed-by: Janosch Frank