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Mon, 5 Oct 2026 11:40:18 +0000 (GMT) Received: from funtu2.ibm.com (unknown [9.111.167.168]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 5 Oct 2026 11:40:18 +0000 (GMT) From: Harald Freudenberger To: dengler@linux.ibm.com, fcallies@linux.ibm.com Cc: freude@linux.ibm.com, linux-s390@vger.kernel.org, Heiko Carstens , Vasily Gorbik , Alexander Gordeev Subject: [PATCH v1 0/2] Fix minor LLM findings in zcrypt dd Date: Mon, 5 Oct 2026 13:40:16 +0200 Message-ID: <20261005114018.62489-1-freude@linux.ibm.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: pgrrWdyMoreP3oTC6oxnHaEWO6OTVKaI X-Authority-Analysis: v=2.4 cv=KJHPn1Fo c=1 sm=1 tr=0 ts=6ac38ca7 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=660iZSQnnn4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=808YJrEDm0Q5m3IRJhUA:9 a=zgiPjhLxNE0A:10 X-Proofpoint-GUID: pgrrWdyMoreP3oTC6oxnHaEWO6OTVKaI X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDA1MDA0NSBTYWx0ZWRfX6iqf32czGjWr 9NXHYYT/iU/EM/il7wzvdUHoKFxmK5poQikZTSdsfQbjF4be0JZuXnhVndVIGt85Tj05PqXJGpD q7ZWdurxoIcX4aDSl+Z7ZnW6CJkygNmnsADTWNARQG682MKPb1NEvZ0EB7kwKLGCdGjij6S06bu Xh4ttpXgK2ZGOzv4JiZFodE+r6wVzVJboBmmMvM1zNb4JDaqvboJB8XSlDmt0GYWG2/MP93F1yq qDsHyn2zOb/LjSp+wW0tC8Q7Se68puoOZfQNLD8LQW2RKmPMek5EX5W762OAFMhvYZe+7NBSNxr 7+FnJP7jNKfSj08GRk3QCWmTECYhGwXs7NmrF+MMZyTCncS75/ZHtJvQVMhbsQbOYKA4IC+qebL 1MGEM7B5PPDqF0lzeBd/KvrrAARoFfSPyYThQ0cEU3tBgOdaskwJvMBJMaZED6Eofbmy/XyzrUY RHUYYq4/+m8loaY2ybg== X-Proofpoint-Spam-Info: AW1haW4tMjYxMDA1MDA0NSBTYWx0ZWRfX5GS+UbnR5w9c 4itumIncI9MhJRIhi1PQj69iGqCOUIR7FXsZ0v5KunyqORvenZ4iLaF+dy0DEVhehFmLulJThCy HVxD54trEX5munQDEetky1PiGTQxjXA= 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=2026-10-05_03,2026-10-02_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 phishscore=0 impostorscore=0 adultscore=0 clxscore=1015 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2610050045 Fix some minor LLM findings related to the zcrypt device driver. Changelog: v1: Two patches: - The first patch fixes a gap related to speculative execution with the domain index. - The second patch fixes a length/pointer check with parsing the FQ reply from a CCA card. Harald Freudenberger (2): s390/zcrypt: Guard domain index uses against speculative bypass s390/zcrypt: Fix out-of-bounds ptr advance in cca_query_crypto_facility() drivers/s390/crypto/zcrypt_api.c | 10 ++++++++-- drivers/s390/crypto/zcrypt_ccamisc.c | 22 ++++++++++++++++++++-- 2 files changed, 28 insertions(+), 4 deletions(-) -- 2.43.0