From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D071C2D0DB for ; Mon, 20 Jan 2020 11:10:43 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 07CD820674 for ; Mon, 20 Jan 2020 11:10:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="DrZpL/6H" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 07CD820674 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:34330 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1itUx7-0003Ay-M3 for qemu-devel@archiver.kernel.org; Mon, 20 Jan 2020 06:10:41 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:40727) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1itUhX-00067y-TY for qemu-devel@nongnu.org; Mon, 20 Jan 2020 05:54:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1itUhT-0002x8-Qf for qemu-devel@nongnu.org; Mon, 20 Jan 2020 05:54:35 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:41466 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1itUhT-0002v0-MK for qemu-devel@nongnu.org; Mon, 20 Jan 2020 05:54:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579517668; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=DaGoOo0m/FslmdmY168PM6k7mbCIuXVq3zfdRR9RvUs=; b=DrZpL/6HuDzp4CoD9eszJr64TOK+fc8zr5waaXO+d14XmutTFamhJMBOEpYXRuuo3LRPbT XlxOFHIyjjgyLUB+VNs4WB6bNzzLiRURKU9nz5SCZ1XiMaaZDLBvLz/Dslf305X2ZxuUyR 45jINQvD834qIgJDsTt3/U2pHfYCsMM= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-93-tlbntA6aOAWujuyJqYwy9g-1; Mon, 20 Jan 2020 05:54:25 -0500 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id EA5F610054E3 for ; Mon, 20 Jan 2020 10:54:24 +0000 (UTC) Received: from work-vm (unknown [10.36.118.43]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E093260BF7; Mon, 20 Jan 2020 10:54:16 +0000 (UTC) Date: Mon, 20 Jan 2020 10:54:13 +0000 From: "Dr. David Alan Gilbert" To: Sergio Lopez Subject: Re: [PATCH 084/104] Virtiofsd: fix memory leak on fuse queueinfo Message-ID: <20200120105413.GH2827@work-vm> References: <20191212163904.159893-1-dgilbert@redhat.com> <20191212163904.159893-85-dgilbert@redhat.com> <874kwq8lyy.fsf@redhat.com> MIME-Version: 1.0 In-Reply-To: <874kwq8lyy.fsf@redhat.com> User-Agent: Mutt/1.13.0 (2019-11-30) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-MC-Unique: tlbntA6aOAWujuyJqYwy9g-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 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: qemu-devel@nongnu.org, stefanha@redhat.com, vgoyal@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" * Sergio Lopez (slp@redhat.com) wrote: >=20 > Dr. David Alan Gilbert (git) writes: >=20 > > From: Liu Bo > > > > For fuse's queueinfo, both queueinfo array and queueinfos are allocated= in > > fv_queue_set_started() but not cleaned up when the daemon process quits= . > > > > This fixes the leak in proper places. > > > > Signed-off-by: Liu Bo > > Signed-off-by: Eric Ren > > --- > > tools/virtiofsd/fuse_virtio.c | 9 +++++++++ > > 1 file changed, 9 insertions(+) > > > > diff --git a/tools/virtiofsd/fuse_virtio.c b/tools/virtiofsd/fuse_virti= o.c > > index 7b22ae8d4f..a364f23d5d 100644 > > --- a/tools/virtiofsd/fuse_virtio.c > > +++ b/tools/virtiofsd/fuse_virtio.c > > @@ -671,6 +671,8 @@ static void fv_queue_set_started(VuDev *dev, int qi= dx, bool started) > > } > > close(ourqi->kill_fd); > > ourqi->kick_fd =3D -1; > > + free(vud->qi[qidx]); > > + vud->qi[qidx] =3D NULL; > > } > > } > > =20 > > @@ -878,6 +880,13 @@ int virtio_session_mount(struct fuse_session *se) > > void virtio_session_close(struct fuse_session *se) > > { > > close(se->vu_socketfd); > > + > > + if (!se->virtio_dev) { > > + return; > > + } > > + > > + close(se->vu_socketfd); > > + free(se->virtio_dev->qi); > > free(se->virtio_dev); > > se->virtio_dev =3D NULL; > > } >=20 > There's a duplicated "close(se->vu_socketfd);" statement here. Yep, already spotted/fixed: https://lists.gnu.org/archive/html/qemu-devel/2020-01/msg02901.html Dave > Sergio. -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK