From patchwork Tue Oct 26 10:29:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Dr. David Alan Gilbert" X-Patchwork-Id: 12584551 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A89B3C433EF for ; Tue, 26 Oct 2021 11:11:09 +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 6459E60EBD for ; Tue, 26 Oct 2021 11:11:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6459E60EBD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:47548 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mfKMF-0003hB-Tn for qemu-devel@archiver.kernel.org; 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Tue, 26 Oct 2021 06:29:53 -0400 X-MC-Unique: _TVwi_KCOESPtzInPXlTHg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 627471006AD5 for ; Tue, 26 Oct 2021 10:29:44 +0000 (UTC) Received: from dgilbert-t580.localhost (unknown [10.39.195.33]) by smtp.corp.redhat.com (Postfix) with ESMTP id ADF151042AEF; Tue, 26 Oct 2021 10:29:43 +0000 (UTC) From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org Subject: [PULL 5/5] virtiofsd: Error on bad socket group name Date: Tue, 26 Oct 2021 11:29:33 +0100 Message-Id: <20211026102933.103139-6-dgilbert@redhat.com> In-Reply-To: <20211026102933.103139-1-dgilbert@redhat.com> References: <20211026102933.103139-1-dgilbert@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dgilbert@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=dgilbert@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: vgoyal@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: "Dr. David Alan Gilbert" Make the '--socket-group=' option fail if the group name is unknown: ./tools/virtiofsd/virtiofsd .... --socket-group=zaphod vhost socket: unable to find group 'zaphod' Reported-by: Xiaoling Gao Signed-off-by: Dr. David Alan Gilbert Message-Id: <20211014122554.34599-1-dgilbert@redhat.com> Reviewed-by: Vivek Goyal Signed-off-by: Dr. David Alan Gilbert --- tools/virtiofsd/fuse_virtio.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tools/virtiofsd/fuse_virtio.c b/tools/virtiofsd/fuse_virtio.c index baead08b28..60b96470c5 100644 --- a/tools/virtiofsd/fuse_virtio.c +++ b/tools/virtiofsd/fuse_virtio.c @@ -988,6 +988,13 @@ static int fv_create_listen_socket(struct fuse_session *se) "vhost socket failed to set group to %s (%d): %m\n", se->vu_socket_group, g->gr_gid); } + } else { + fuse_log(FUSE_LOG_ERR, + "vhost socket: unable to find group '%s'\n", + se->vu_socket_group); + close(listen_sock); + umask(old_umask); + return -1; } } umask(old_umask);