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Wed, 12 Aug 2026 11:51:40 +0000 (GMT) Received: from li-4c4c4544-004d-4810-8043-b7c04f423534.ibm.com.com (unknown [9.61.9.29]) by smtpav06.dal12v.mail.ibm.com (Postfix) with ESMTP; Wed, 12 Aug 2026 11:51:40 +0000 (GMT) From: Anthony Krowiak To: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: jjherne@linux.ibm.com, borntraeger@de.ibm.com, mjrosato@linux.ibm.com, pasic@linux.ibm.com, alex@shazbot.org, kwankhede@nvidia.com, fiuczy@linux.ibm.com, pbonzini@redhat.com, frankja@linux.ibm.com, imbrenda@linux.ibm.com, agordeev@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com Subject: [PATCH v3 0/9] s390/vfio-ap: Fix bugs in vfio_ap device driver callback functions Date: Wed, 12 Aug 2026 07:51:30 -0400 Message-ID: <20260812115139.576303-1-akrowiak@linux.ibm.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODEyMDA5MyBTYWx0ZWRfX4+zymMexuaWV c9IbACj6ew8l7x1UOxHlJxSwvejT3P0olinU/aH054JB8Y1ilKWA1UzEiYBdpOzZw5RUc9Vkv+A zLOv5tnjhC7Ng3DCghHi8eKwuEVPwcxyw1racivUnRC0ejvK4zygQTUQY1cWiAAwDeaBg3j6srH DQ1TVNg1xfeYloiYyQjnH3D1JQIq25hFpZ1to34st+3J6xh3WZIFRJjiaWhwcP5KbaWXFzQsJ5x U5U5mqmgcci3xQFWIs9Wduc338Qzxh5Wai+ihdwLj0SCGkUeegkDKVC70zXv1+YyNiliCiVa4AC KGxOhX+v028AS7D0CJH8BN55nSSPCmv8WQAW2ejykQVjsaZeXPG5Qc0/vcklwnGZKBVlnz62s9z ALd4jC1tLxtLyCP9mbtgyWU4fsVThQFEdDyO5yeoR/MJPyIjBOmzXNvRHp4KiL0OfxlRTzHwX+7 PoyKgbR3OC30NctVT8A== X-Proofpoint-Spam-Info: AW1haW4tMjYwODEyMDA5MyBTYWx0ZWRfX8MC6PXKD4uqG DpQf1y23dfFsInvJbffIKzCk0EBtPewYcGRfKUmUFfr3aoCR8ZOCmhZJ9E0bY2Z47Ql6ViMOxKQ 09T0bH8RZEd7FQKcaFTkYNcdRVZ6Tyo= X-Authority-Analysis: v=2.4 cv=RqD16imK c=1 sm=1 tr=0 ts=6a7c5e51 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=2VMihLRbVI8WZz-xW9AA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: PMEZPElwQpK3soZIjm3TfetM3iokvg8V X-Proofpoint-ORIG-GUID: PMEZPElwQpK3soZIjm3TfetM3iokvg8V X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-12_03,2026-08-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 suspectscore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 bulkscore=0 malwarescore=0 impostorscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608120093 During review of patches by the Sashiko AI, several pre-existing bugs were discovered. This 9-patch series fixes those bugs Change log v2 => v3: ~~~~~~~~~~~~~~~~~~~ Patch 3: Fix use of wrong lock in mdev probe function Patch 7: Fix required lock not held during display of sysfs status attribute * Squashed these two patches into a new patch entitled "Fix missing lock required to access list of ap_matrix_mdev objects" * Added two new patches that fix pre-existing bugs: ~ s390/vfio-ap: Fix NULL deref in status_show() during queue probe ~ s390/vfio-ap: Fix memory leak when queue removed from host AP config Anthony Krowiak (9): s390/vfio-ap: Fix stale do_remove flag across iterations in vfio_ap_mdev_cfg_remove s390/vfio-ap: Fix dereference matrix_mdev->kvm without checking for NULL s390/vfio-ap: Fix missing lock required to access list of ap_matrix_mdev objects s390/vfio-ap: Fix required lock not held during update of ap_matrix_mdev object s390/vfio-ap: Fix control domain removal in vfio_ap_mdev_cfg_remove s390/vfio-ap: fix potential use of uninitialized apm_filtered bitmap s390/vfio-ap: Fix hot-unplug skipped when last AP adapter or domain removed s390/vfio-ap: Fix NULL deref in status_show() during queue probe s390/vfio-ap: Fix memory leak when queue removed from host AP config drivers/s390/crypto/vfio_ap_ops.c | 110 ++++++++++++++++++++---------- 1 file changed, 75 insertions(+), 35 deletions(-) -- 2.53.0