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Sun, 9 Aug 2026 11:24:51 +0000 (GMT) Date: Sun, 9 Aug 2026 13:24:50 +0200 From: Vasily Gorbik To: Linus Torvalds Cc: Heiko Carstens , Alexander Gordeev , linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Subject: [GIT PULL] s390 updates for 7.2-rc7 Message-ID: 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-Disposition: inline X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA5MDA5OCBTYWx0ZWRfX06T//WkrhTNh ncbHQqaiLo4cYIIdIqN1ZhLZkVoGtryH7btqy3lK5312+8DE2zReyGOI9XnxjcDaicgfWnf1bII 1o2BXovae+0D/OcPfMExE3IGoWBhWlK0h4rkxVryMv3YJGiwPi/l3TDvcqmbaF6cSFmXoF9o2CY 5f6aL5WbhLGsqbfMTTZfVZMfdR2HGxbav85o3PIkBm/UtQmSn+qYGGz6DhCDqnoqbFkbxisCQ/G HDlKOqGQ5E8BfsZ37wn1Mv8M0WVansUvfvixvte8mGjhCwaP/z/EGwCsjwHMPdd7FO8rX78/y23 mmWL8mdyumdIDUwKrBhGMEW74Kqke0vFvcWpmIJ3g4DFBxJbJWdfYk024wEz1uQLZtF6HftHnsA O8mZbTfMYaBTSRho4XrH93Q2luKqbWELWCuL02DBqtG+Z+lnN/rO3mQlvmQ/8liPEwVjooWEqTw J6Ae2Gy5K3nEnRESNGQ== X-Proofpoint-ORIG-GUID: _DVpEHBUHx7dGYWDAjmoVK_PEK-FB87U X-Proofpoint-Spam-Info: AW1haW4tMjYwODA5MDA5OCBTYWx0ZWRfX2w5xzQWCMlb4 DSP+PAOerqjhLXMSsoZiqqOW9WpS5uc3Qm1QJwH4K2oXY6BFlPkUtrmmm1Fcizst8CK8LdOL7QI mJ7PJlfHUyanVb5WXIBRx9lxew5W2Oo= X-Authority-Analysis: v=2.4 cv=IfK3n2qa c=1 sm=1 tr=0 ts=6a786388 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VwQbUJbxAAAA:8 a=qZIf2KWm-9LE-mVuogAA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: _DVpEHBUHx7dGYWDAjmoVK_PEK-FB87U 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=2026-08-09_03,2026-08-07_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 impostorscore=0 bulkscore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 malwarescore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608090098 Hello Linus, please pull s390 fixes for 7.2-rc7. Thank you, Vasily The following changes since commit 01476391aecef36a3b789ee844357b22fbc90665: s390/zcrypt: Fix missing mem scrub at clear key import in cca_clr2cipherkey() (2026-07-31 13:31:20 +0200) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git tags/s390-7.2-7 for you to fetch changes up to eb363254472493e3458156fc11fd56dca92f4333: s390/zcrypt: Pad trailing CCA or EP11 message with zeros (2026-08-05 15:12:22 +0200) ---------------------------------------------------------------- s390 updates for 7.2-rc7 - Fix potential uninitialized memory reads and buffer overflows from malformed zcrypt CCA and EP11 requests by properly validating lengths and payloads - Fix possible out of bounds accesses in zcrypt EP11 domain handling by replacing fixed payload layout assumptions with parsing ASN.1 fields with bounds checks - Fix zcrypt CCA and EP11 request and reply buffer allocations missing required 4-byte padding, and scrub the full allocation on release - Fix zcrypt CCA and EP11 messages leaking up to 3 uninitialized bytes of memory by zeroing trailing alignment padding ---------------------------------------------------------------- Harald Freudenberger (5): s390/zcrypt: Fix CPRB memory allocation in zcrypt misc code s390/zcrypt: Improve CCA CPRB length and overflow checks s390/zcrypt: Improve EP11 CPRB length and overflow checks s390/zcrypt: Improve EP11 CPRB domain handling with ASN.1 parsing s390/zcrypt: Pad trailing CCA or EP11 message with zeros drivers/s390/crypto/zcrypt_ccamisc.c | 20 +- drivers/s390/crypto/zcrypt_ep11misc.c | 16 +- drivers/s390/crypto/zcrypt_msgtype6.c | 364 +++++++++++++++++++++++----------- 3 files changed, 277 insertions(+), 123 deletions(-)