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Mon, 16 Dec 2024 09:22:05 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay07.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 4BG9M12u56820216 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 16 Dec 2024 09:22:01 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8920B2004B; Mon, 16 Dec 2024 09:22:01 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C30E920040; Mon, 16 Dec 2024 09:22:00 +0000 (GMT) Received: from darkmoore.ibmuc.com (unknown [9.179.0.126]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 16 Dec 2024 09:22:00 +0000 (GMT) From: Christoph Schlameuss To: kvm@vger.kernel.org Cc: Christian Borntraeger , Janosch Frank , Claudio Imbrenda , David Hildenbrand , Paolo Bonzini , Shuah Khan , linux-s390@vger.kernel.org, linux-kselftest@vger.kernel.org, Ulrich Weigand , Dominik Dingel , Cornelia Huck Subject: [PATCH v2 4/6] selftests: kvm: s390: Add ucontrol gis routing test Date: Mon, 16 Dec 2024 10:21:38 +0100 Message-ID: <20241216092140.329196-5-schlameuss@linux.ibm.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241216092140.329196-1-schlameuss@linux.ibm.com> References: <20241216092140.329196-1-schlameuss@linux.ibm.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: lW5AWENBFJgIpDIAqvjperoXpvCmgbZ_ X-Proofpoint-GUID: lW5AWENBFJgIpDIAqvjperoXpvCmgbZ_ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 spamscore=0 mlxscore=0 adultscore=0 mlxlogscore=932 suspectscore=0 bulkscore=0 phishscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412160074 Add a selftests for the interrupt routing configuration when using ucontrol VMs. Calling the test may trigger a null pointer dereferences on kernels not containing the fixes in this patch series. Signed-off-by: Christoph Schlameuss Tested-by: Hariharan Mari Reviewed-by: Hariharan Mari --- .../selftests/kvm/s390x/ucontrol_test.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/tools/testing/selftests/kvm/s390x/ucontrol_test.c b/tools/testing/selftests/kvm/s390x/ucontrol_test.c index b003abda8495..8f306395696e 100644 --- a/tools/testing/selftests/kvm/s390x/ucontrol_test.c +++ b/tools/testing/selftests/kvm/s390x/ucontrol_test.c @@ -783,4 +783,23 @@ TEST_F(uc_kvm, uc_flic_attrs) close(cd.fd); } +TEST_F(uc_kvm, uc_set_gsi_routing) +{ + struct kvm_irq_routing *routing = kvm_gsi_routing_create(); + struct kvm_irq_routing_entry ue = { + .type = KVM_IRQ_ROUTING_S390_ADAPTER, + .gsi = 1, + .u.adapter = (struct kvm_irq_routing_s390_adapter) { + .ind_addr = 0, + }, + }; + int rc; + + routing->entries[0] = ue; + routing->nr = 1; + rc = ioctl(self->vm_fd, KVM_SET_GSI_ROUTING, routing); + ASSERT_EQ(-1, rc) TH_LOG("err %s (%i)", strerror(errno), errno); + ASSERT_EQ(EINVAL, errno) TH_LOG("err %s (%i)", strerror(errno), errno); +} + TEST_HARNESS_MAIN