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Tue, 7 Apr 2026 12:55:36 +0000 (GMT) Date: Tue, 7 Apr 2026 14:55:35 +0200 From: Steffen Eiden To: Claudio Imbrenda Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-s390@vger.kernel.org, borntraeger@de.ibm.com, frankja@linux.ibm.com, nrb@linux.ibm.com, schlameuss@linux.ibm.com, gra@linux.ibm.com, david@kernel.org Subject: Re: [PATCH v3 6/6] KVM: s390: ucontrol: Fix memslot handling Message-ID: <20260407125535.296205-F-seiden@linux.ibm.com> References: <20260402150135.196943-1-imbrenda@linux.ibm.com> <20260402150135.196943-7-imbrenda@linux.ibm.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260402150135.196943-7-imbrenda@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDA3MDEyMCBTYWx0ZWRfX6WOTASxshn4N KJR4ZzIPxcuexvOK6SrnoyOKQ76Gu7J7hOyQaAnEp7vVAUXGukT8cPfAnuEBiaHtTteRVVtEFuP hk4ElU7r7IXA8zvyO9EjnjpFA674pAfyeZV4qVdnczLgBzSvL4os2gRVjur29+2uxpr7yThjHWQ HkXCgLfBMic118cMIATvYc+Ma+3HIDEe/QXHb37Ocww2LrYYjL11Edj0LG0MVT3Ab0888zK+ILa 0Hi1Bu22U8qDMC80xrbdLf+CgtRqqQDQk2G+Am9m3DreM6ETOtdiCFVvvNg4LHDFeZ1G4pk3E01 mg6aBnj8eJjfvsQNbwRSpLQVUHkOqgRjXWcZikaglwha3IRIXucM1pWUh/iuYzQs7bCZt+p0tQN ER2DdTv+qsgX2WXatJhdfbNTARWc0Fc3TFYkbHV0/Bd/ndfyVqxc/5tN5MVDWv4WFifLOszlofj +q7SGR22qpD81MVxcWw== X-Proofpoint-GUID: 7DYn8GN-AjNXmSPrSCXpj-xB3jrUlQS9 X-Authority-Analysis: v=2.4 cv=a/wAM0SF c=1 sm=1 tr=0 ts=69d4fecd cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=kj9zAlcOel0A:10 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VnNF1IyMAAAA:8 a=aQ1MGpRKgc2xMckM4EIA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-ORIG-GUID: 7DYn8GN-AjNXmSPrSCXpj-xB3jrUlQS9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-07_02,2026-04-07_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 clxscore=1015 spamscore=0 impostorscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 adultscore=0 malwarescore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604070120 On Thu, Apr 02, 2026 at 05:01:35PM +0200, Claudio Imbrenda wrote: > Fix memslots handling for UCONTROL guests. Attempts to delete user > memslots will fail, as they should, without the risk of a NULL pointer > dereference. > You may want to spend a fixes tag: Fixes: 413c98f24c63 ("KVM: s390: fake memslot for ucontrol VMs") > Signed-off-by: Claudio Imbrenda Reviewed-by: Steffen Eiden Steffen