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Fri, 7 Aug 2026 13:54:40 +0000 (GMT) From: Harald Freudenberger To: dengler@linux.ibm.com, fcallies@linux.ibm.com, ifranzki@linux.ibm.com Cc: freude@linux.ibm.com, linux-s390@vger.kernel.org, Heiko Carstens , Vasily Gorbik , Alexander Gordeev , linux-crypto@vger.kernel.org Subject: [PATCH v3 0/3] Fixes and rework for aes_s390 Date: Fri, 7 Aug 2026 15:54:37 +0200 Message-ID: <20260807135440.35888-1-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-Authority-Analysis: v=2.4 cv=G6ws1dk5 c=1 sm=1 tr=0 ts=6a75e3a5 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=qyTEqAoi-3Pn3Uo7ykoA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA3MDEwOCBTYWx0ZWRfX0J9WikQEetnA TTFS2wHIovn//n5/ZqQ18Am2PqOP0MlArzdlakEVhyTMjywKgz48tFbWV7OkAIqbLc8ccbUd1dq Z+VRqUgtxuWMRSh6UIslw5o11OuPMzmcfrlgOjATntvsW1VfZsfqNVw2sUViC1xr3f3dcjOiO3A ssmfl9XnYF9Fn8OsspSvATsx8BqihW5JoBfuz9O3G11fPFC7tJdDFAHaN78jnPtrMFcdvvJ9bRa KyQObK0S/s8QmxZYQ8dBTN6bXYMLcGW1bN2MaXw0/X79aVhS5NMs9wmExx8L4BfZjYkD9VPAcBT UbxlTbW2UvcCqE736A6IaH7s6Jy4SBvkQ4OZi5gDnMPMYukXNJwqaJRTGnesiGhK+bEgWH2vUTS x+N+cPpw9s1pUTqwB798LgLQHLujsfYRIJuJtXeIO09kt5mxhMorN7pUNpF19B9X0wmiw8d4QUs GEus75o7+Pffk/RBqqA== X-Proofpoint-ORIG-GUID: p20AFmE-lvtjxQRN4XWjNCTVbmyAX3aM X-Proofpoint-Spam-Info: AW1haW4tMjYwODA3MDEwOCBTYWx0ZWRfX4/oXks3ghXgj 9AXQkKPmKWdtEQCP32PdEFKxKctdO2yfJmef0QS4wmiKttdud+LdHh31JnUNKdiGR9yqgHgD4H9 YqkPKhoCiQu4hCYuFfEis1k4bdTwvYE= X-Proofpoint-GUID: p20AFmE-lvtjxQRN4XWjNCTVbmyAX3aM 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=2026-08-07_02,2026-08-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 phishscore=0 priorityscore=1501 adultscore=0 bulkscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608070108 Fix and rework some issues around arch/s390/aes_s390.c: - Fix skcipher_walk return code handling in aes_s390 - Add scrub of some temp buffers - Rework AES CTR to be prepared for context analysis For more details please see patch headers. Changelog: v1: initial version v2: Fix missing scrub on a temp buffer used to process left over bytes in CTR mode. v3: - Yet another buffer scrubbing was missing. Added to the 2nd patch and rephrased commit header. - Added patch to fix one warning with context analysis regarding the handling of a mutex with the AES CTR implementation. Harald Freudenberger (3): s390/crypto: Fix skcipher_walk return code handling in aes_s390 s390/crypto: Fix missing scrub of temp buffers with AES ctr and gcm algorithm s390/crypto: Rewrite AES ctr mode to be prepared for context analysis arch/s390/crypto/aes_s390.c | 82 +++++++++++++++++++++++-------------- 1 file changed, 52 insertions(+), 30 deletions(-) base-commit: f5098b6bae761e346ebcd9da7f95622c04733cff -- 2.43.0