From nobody Thu Apr 18 14:56:14 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865633639849.466643277597; Thu, 18 Oct 2018 05:27:13 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5105B3D3; Thu, 18 Oct 2018 12:27:11 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id EC66785548; Thu, 18 Oct 2018 12:27:10 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 36B0C180B5B7; Thu, 18 Oct 2018 12:27:10 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICR7De025882 for ; Thu, 18 Oct 2018 08:27:07 -0400 Received: by smtp.corp.redhat.com (Postfix) id 0F74A60922; Thu, 18 Oct 2018 12:27:07 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8899E60D58 for ; Thu, 18 Oct 2018 12:27:06 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:39 +0200 Message-Id: <1707c04b65e554d88c9d8954cdbae07c25d839c0.1539865556.git.mprivozn@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 01/20] libvirtGuestTable.c: Free duplicated domain name 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 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Thu, 18 Oct 2018 12:27:12 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" The domain name is duplicated in insertGuest() but it's never freed leading to the following memleak: 46 bytes in 6 blocks are definitely lost in loss record 795 of 944 at 0x4C2CF0F: malloc (vg_replace_malloc.c:299) by 0x6E6FE79: strdup (in /lib64/libc-2.26.so) by 0x10E665: insertGuest (libvirtSnmp.c:160) by 0x10EA7D: libvirtSnmpLoadGuests (libvirtSnmp.c:285) by 0x10DB01: libvirtGuestTable_container_load (libvirtGuestTable_data_a= ccess.c:230) by 0x1133E3: _cache_load (libvirtGuestTable_interface.c:1557) by 0x5F2955B: _cache_load (in /usr/lib64/libnetsnmpagent.so.30.0.3) by 0x5F2A7FF: netsnmp_cache_helper_handler (in /usr/lib64/libnetsnmpage= nt.so.30.0.3) by 0x5F3CE2C: netsnmp_call_next_handler (in /usr/lib64/libnetsnmpagent.= so.30.0.3) by 0x5F316B6: table_helper_handler (in /usr/lib64/libnetsnmpagent.so.30= .0.3) by 0x5F3C8E6: netsnmp_call_handlers (in /usr/lib64/libnetsnmpagent.so.3= 0.0.3) by 0x5F4A65E: handle_var_requests (in /usr/lib64/libnetsnmpagent.so.30.= 0.3) Signed-off-by: Michal Privoznik --- src/libvirtGuestTable.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/src/libvirtGuestTable.c b/src/libvirtGuestTable.c index cb4c59f..80645f2 100644 --- a/src/libvirtGuestTable.c +++ b/src/libvirtGuestTable.c @@ -157,9 +157,7 @@ void libvirtGuestTable_rowreq_ctx_cleanup(libvirtGuestT= able_rowreq_ctx *rowreq_c =20 netsnmp_assert(NULL !=3D rowreq_ctx); =20 - /* - * TODO:211:o: |-> Perform extra libvirtGuestTable rowreq cleanup. - */ + free(rowreq_ctx->data.libvirtGuestName); } /* libvirtGuestTable_rowreq_ctx_cleanup */ =20 /** --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list