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Thu, 25 Jun 2020 10:04:38 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4F84F42042; Thu, 25 Jun 2020 10:04:38 +0000 (GMT) Received: from marcibm.ibmuc.com (unknown [9.145.42.231]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 25 Jun 2020 10:04:38 +0000 (GMT) From: Marc Hartmayer To: Subject: [RFC 2/4] libvhost-user: print invalid address on vu_panic Date: Thu, 25 Jun 2020 12:04:28 +0200 Message-Id: <20200625100430.22407-3-mhartmay@linux.ibm.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20200625100430.22407-1-mhartmay@linux.ibm.com> References: <20200625100430.22407-1-mhartmay@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.687 definitions=2020-06-25_04:2020-06-25, 2020-06-25 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 clxscore=1015 bulkscore=0 priorityscore=1501 cotscore=-2147483648 mlxscore=0 lowpriorityscore=0 suspectscore=1 adultscore=0 mlxlogscore=582 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006250062 Received-SPF: pass client-ip=148.163.156.1; envelope-from=mhartmay@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/25 06:04:43 X-ACL-Warn: Detected OS = Linux 3.x [generic] [fuzzy] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , "Michael S. Tsirkin" , Cornelia Huck , Halil Pasic , Stefan Hajnoczi , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" This can be helpful for debugging. Signed-off-by: Marc Hartmayer --- contrib/libvhost-user/libvhost-user.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/contrib/libvhost-user/libvhost-user.c b/contrib/libvhost-user/libvhost-user.c index d315db139606..9e8750a9dabc 100644 --- a/contrib/libvhost-user/libvhost-user.c +++ b/contrib/libvhost-user/libvhost-user.c @@ -2432,7 +2432,7 @@ virtqueue_map_desc(VuDev *dev, iov[num_sg].iov_base = vu_gpa_to_va(dev, &len, pa); if (iov[num_sg].iov_base == NULL) { - vu_panic(dev, "virtio: invalid address for buffers"); + vu_panic(dev, "virtio: invalid address 0x%lx for buffers", pa); return; } iov[num_sg].iov_len = len;