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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 15 Jun 2018 12:39:52 +0100 Received: from d06av24.portsmouth.uk.ibm.com (d06av24.portsmouth.uk.ibm.com [9.149.105.60]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w5FBdpKF24707250 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 15 Jun 2018 11:39:51 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C70C84204B; Fri, 15 Jun 2018 12:29:58 +0100 (BST) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A8AD44204D; Fri, 15 Jun 2018 12:29:58 +0100 (BST) Received: from marc-ibm.boeblingen.de.ibm.com (unknown [9.152.224.50]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 15 Jun 2018 12:29:58 +0100 (BST) From: Marc Hartmayer To: Date: Fri, 15 Jun 2018 13:39:38 +0200 In-Reply-To: <20180615113938.18747-1-mhartmay@linux.ibm.com> References: <20180615113938.18747-1-mhartmay@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18061511-0020-0000-0000-0000029B2E29 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18061511-0021-0000-0000-000020E764B3 Message-Id: <20180615113938.18747-3-mhartmay@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-06-15_08:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=817 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1805220000 definitions=main-1806150126 X-Greylist: Sender passed SPF test, Sender IP whitelisted by DNSRBL, ACL 207 matched, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Fri, 15 Jun 2018 11:39:57 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Fri, 15 Jun 2018 11:39:57 +0000 (UTC) for IP:'148.163.158.5' DOMAIN:'mx0b-001b2d01.pphosted.com' HELO:'mx0a-001b2d01.pphosted.com' FROM:'mhartmay@linux.ibm.com' RCPT:'' X-RedHat-Spam-Score: -0.701 (RCVD_IN_DNSWL_LOW, SPF_PASS) 148.163.158.5 mx0b-001b2d01.pphosted.com 148.163.158.5 mx0b-001b2d01.pphosted.com X-Scanned-By: MIMEDefang 2.84 on 10.5.110.45 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.25 X-loop: libvir-list@redhat.com Cc: Marc Hartmayer Subject: [libvirt] [PATCH 2/2] rpc: Fix segmentation fault when no worker pool is available X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Fri, 15 Jun 2018 11:40:05 +0000 (UTC) X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" If srv->workers is a NULL pointer, as it is the case if there are no workers, then don't try to dereference it. Signed-off-by: Marc Hartmayer Reviewed-by: Boris Fiuczynski --- src/rpc/virnetserver.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-) diff --git a/src/rpc/virnetserver.c b/src/rpc/virnetserver.c index 5ae809e372..be6f610880 100644 --- a/src/rpc/virnetserver.c +++ b/src/rpc/virnetserver.c @@ -933,13 +933,21 @@ virNetServerGetThreadPoolParameters(virNetServerPtr s= rv, size_t *jobQueueDepth) { virObjectLock(srv); - - *minWorkers =3D virThreadPoolGetMinWorkers(srv->workers); - *maxWorkers =3D virThreadPoolGetMaxWorkers(srv->workers); - *freeWorkers =3D virThreadPoolGetFreeWorkers(srv->workers); - *nWorkers =3D virThreadPoolGetCurrentWorkers(srv->workers); - *nPrioWorkers =3D virThreadPoolGetPriorityWorkers(srv->workers); - *jobQueueDepth =3D virThreadPoolGetJobQueueDepth(srv->workers); + if (srv->workers) { + *minWorkers =3D virThreadPoolGetMinWorkers(srv->workers); + *maxWorkers =3D virThreadPoolGetMaxWorkers(srv->workers); + *freeWorkers =3D virThreadPoolGetFreeWorkers(srv->workers); + *nWorkers =3D virThreadPoolGetCurrentWorkers(srv->workers); + *nPrioWorkers =3D virThreadPoolGetPriorityWorkers(srv->workers); + *jobQueueDepth =3D virThreadPoolGetJobQueueDepth(srv->workers); + } else { + *minWorkers =3D 0; + *maxWorkers =3D 0; + *freeWorkers =3D 0; + *nWorkers =3D 0; + *nPrioWorkers =3D 0; + *jobQueueDepth =3D 0; + } =20 virObjectUnlock(srv); return 0; --=20 2.13.6 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list