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Tue, 14 Jul 2026 19:03:58 GMT Received: from smtprelay05.fra02v.mail.ibm.com ([9.218.2.225]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4fc1nhc79x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 14 Jul 2026 19:03:58 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (smtpav06.fra02v.mail.ibm.com [10.20.54.105]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 66EJ3s6548955670 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 14 Jul 2026 19:03:54 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 894AA20049; Tue, 14 Jul 2026 19:03:54 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1E78A20040; Tue, 14 Jul 2026 19:03:54 +0000 (GMT) Received: from li-d2cd37cc-2ca3-11b2-a85c-84ed3706e5a0.ibm.com (unknown [9.111.27.233]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 14 Jul 2026 19:03:54 +0000 (GMT) From: Ilya Leoshkevich To: Richard Henderson , Cornelia Huck , Eric Farman , Matthew Rosato Cc: David Hildenbrand , qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Ilya Leoshkevich Subject: [PATCH 0/2] target/s390x: Fix DR/D INT64_MIN / -1 host crash Date: Tue, 14 Jul 2026 21:02:39 +0200 Message-ID: <20260714190351.337923-1-iii@linux.ibm.com> X-Mailer: git-send-email 2.55.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE0MDE5MyBTYWx0ZWRfX+6BSC+sG8J/q zgEbUrb9VmsbC4PyRaDbCFWlSonGoqgfpjIk5ORb3pFjFHq8C52UTIrgas1OXcvAMlMonNadNjh s4bFXQy9xJxrFTmlY5Btc3jhSabFUQ4= X-Authority-Analysis: v=2.4 cv=Mp1iLWae c=1 sm=1 tr=0 ts=6a56881f cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=ErGMPq-Rduplk58_MoMA:9 X-Proofpoint-GUID: Ue2FTEst_5pTNPHAzlBCmxZ18CQqIwqZ X-Proofpoint-ORIG-GUID: Ue2FTEst_5pTNPHAzlBCmxZ18CQqIwqZ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE0MDE5MyBTYWx0ZWRfX60Frw3Wx6ZEz 4g5P4bC4ST2gLVUlx80QM67naBEY5LxCRKuh1oY5W0Vc541gZpHgNAsHz4947F6uJ32b8qv5fEd Y6hoeiNCBqfuwqoajrBPp1BHM3fbCivAupCNcaHCq+KpLO5p9CUwOx5IjHVuMBSlvrw7IuOPxVT zDff+zIJV7Ny9eXQxx48MTKG3rLzovDqMT51tGGfFmltxu0/nt/VXb3kDbj/0lYGDddaYccabe2 AUecaB6+/inoM3Lu7R4kJVSf/iQDgwsDwxEUbSuQmHDNysvOeFhC0fjf1WGDkKc4mi2LsGAgAmH YR1VFR7lu7d/ZGznamV9aSQIYlphYU9eqlehf7hWcbku/Af3jp9FvylYL318sw7Hv/TAOlCgRas QmzO+SHzXzLPEpghoo+HMerygcD/VimbCAqVWArr3AHcMpKGp0h6oQiPoUWhhTC8qTdGragxFNS xeFHdlAKSysz+gEbDxA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-14_04,2026-07-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 bulkscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 suspectscore=0 clxscore=1015 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607140193 Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Hi, Christian reported that INT64_MIN / -1 crashes the emulator itself instead of the guest program. This series fixes the issue and adds a test. Best regards, Ilya Ilya Leoshkevich (2): target/s390x: Fix DR/D INT64_MIN / -1 host crash tests/tcg/s390x: Test DR overflow (INT64_MIN / -1) target/s390x/tcg/int_helper.c | 3 ++- tests/tcg/s390x/div.c | 37 +++++++++++++++++++++++++++++++++++ 2 files changed, 39 insertions(+), 1 deletion(-) -- 2.55.0