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Wed, 10 Jun 2026 16:52:48 +0000 (GMT) Received: from p-imbrenda.ehn-de.ibm.com (unknown [9.224.75.30]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 10 Jun 2026 16:52:48 +0000 (GMT) From: Claudio Imbrenda To: linux-kernel@vger.kernel.org Cc: stable@vger.kernel.org, kvm@vger.kernel.org, linux-s390@vger.kernel.org, borntraeger@de.ibm.com, frankja@linux.ibm.com, david@kernel.org, seiden@linux.ibm.com, nrb@linux.ibm.com, schlameuss@linux.ibm.com, gra@linux.ibm.com Subject: [PATCH v2 3/5] KVM: s390: vsie: Fix allocation of struct vsie_rmap Date: Wed, 10 Jun 2026 18:52:45 +0200 Message-ID: <20260610165247.238366-4-imbrenda@linux.ibm.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260610165247.238366-1-imbrenda@linux.ibm.com> References: <20260610165247.238366-1-imbrenda@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=HppG3UTS c=1 sm=1 tr=0 ts=6a299666 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VnNF1IyMAAAA:8 a=VwQbUJbxAAAA:8 a=hYSCaGdr6WFvCWo5WKQA:9 X-Proofpoint-GUID: YOUWNDiSHK87me0D5zURj9VQnlV8-fxu X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjEwMDE1NiBTYWx0ZWRfX3GqXiJxYv+3/ +UZSknQcG759wGPowBjP2g5oCQ3x441ilVBultfgtGpomqSKsqGW8zc/jr8rYUByIWsLn+6S8Y6 MYym2clUwrKKCy8g8EBUjqfX/x2E7US2rk96nb8wXgWIddoxzJUjHVRbuhZqDoE5sgiGtbRFlHU 9NIKFs6lkz0gPccJOVJbe+XVvyKjshFgHdBPjk2v56OQ5/VaZ6IEh3C36XI8Pv+kbfr86IDcAwU uwTCFhUhZkgYAGKVP7QfSQgmeMtIRc+d92xRnWe4/9icMbB9YMtlHVgY3R9fg7Jgb5YwM4DvAI1 /QgU5YI7bfcWsfLRlwLl3tQND12r7hTVPt8jMN0sQ3pUGi8/3EWPO/Xx3PxUrlDktGKgPuAA6Xq f86XTprFKdbQ0tZYwEKaEsJuLD/vWvc3tTshlxzgmPCIrTLHS2fApbHaGSr5KV/SHulWla12N9O Qv/ygp1sFhSgD9a/BMw== X-Proofpoint-ORIG-GUID: YOUWNDiSHK87me0D5zURj9VQnlV8-fxu X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-10_03,2026-06-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 phishscore=0 malwarescore=0 impostorscore=0 priorityscore=1501 clxscore=1015 bulkscore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606100156 The allocation size for struct vsie_rmap in kvm_s390_mmu_cache_topup() was wrong due to a copy-paste error. Fix it by using the correct size. Fixes: 12f2f61a9e1a ("KVM: s390: KVM page table management functions: allocation") Signed-off-by: Claudio Imbrenda CC: stable@vger.kernel.org # 7.1 --- arch/s390/kvm/dat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/kvm/dat.c b/arch/s390/kvm/dat.c index 4a41c0247ffa..b3931e3592b5 100644 --- a/arch/s390/kvm/dat.c +++ b/arch/s390/kvm/dat.c @@ -45,7 +45,7 @@ int kvm_s390_mmu_cache_topup(struct kvm_s390_mmu_cache *mc) mc->pts[mc->n_pts] = o; } for ( ; mc->n_rmaps < KVM_S390_MMU_CACHE_N_RMAPS; mc->n_rmaps++) { - o = kzalloc_obj(*mc->rmaps[0], GFP_KERNEL_ACCOUNT); + o = kzalloc(sizeof(struct vsie_rmap), GFP_KERNEL_ACCOUNT); if (!o) return -ENOMEM; mc->rmaps[mc->n_rmaps] = o; -- 2.54.0