From nobody Mon Feb 9 22:38:22 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1490637106799348.76040630313184; Mon, 27 Mar 2017 10:51:46 -0700 (PDT) Received: from localhost ([::1]:48274 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1csYnx-0006aH-Cl for importer@patchew.org; Mon, 27 Mar 2017 13:51:45 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53362) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1csYiw-0002yc-5J for qemu-devel@nongnu.org; Mon, 27 Mar 2017 13:46:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1csYit-0000rY-3H for qemu-devel@nongnu.org; Mon, 27 Mar 2017 13:46:34 -0400 Received: from 8.mo2.mail-out.ovh.net ([188.165.52.147]:43883) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1csYis-0000o6-Sw for qemu-devel@nongnu.org; Mon, 27 Mar 2017 13:46:31 -0400 Received: from player796.ha.ovh.net (b7.ovh.net [213.186.33.57]) by mo2.mail-out.ovh.net (Postfix) with ESMTP id 7EC5676687 for ; Mon, 27 Mar 2017 19:46:27 +0200 (CEST) Received: from bahia.lan (huguette.tetaneutral.net [91.224.149.27]) (Authenticated sender: groug@kaod.org) by player796.ha.ovh.net (Postfix) with ESMTPA id 85FB55C008A; Mon, 27 Mar 2017 19:46:23 +0200 (CEST) From: Greg Kurz To: qemu-devel@nongnu.org Date: Mon, 27 Mar 2017 19:46:22 +0200 Message-ID: <149063678269.4447.4512988258114498161.stgit@bahia.lan> In-Reply-To: <149063674781.4447.14258971700726134711.stgit@bahia.lan> References: <149063674781.4447.14258971700726134711.stgit@bahia.lan> User-Agent: StGit/0.17.1-20-gc0b1b-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Ovh-Tracer-Id: 5760948352270899633 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrfeelhedrkedugdduudejucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddm X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 188.165.52.147 Subject: [Qemu-devel] [PATCH 3/5] fsdev: don't allow unknown format in marshal/unmarshal X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Greg Kurz , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 The code only uses well known format strings. An unknown format token is a bug. Signed-off-by: Greg Kurz --- fsdev/9p-iov-marshal.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fsdev/9p-iov-marshal.c b/fsdev/9p-iov-marshal.c index 1d16f8df4bd4..a1c9beddd2e7 100644 --- a/fsdev/9p-iov-marshal.c +++ b/fsdev/9p-iov-marshal.c @@ -168,7 +168,7 @@ ssize_t v9fs_iov_vunmarshal(struct iovec *out_sg, int o= ut_num, size_t offset, break; } default: - break; + g_assert_not_reached(); } if (copied < 0) { return copied; @@ -281,7 +281,7 @@ ssize_t v9fs_iov_vmarshal(struct iovec *in_sg, int in_n= um, size_t offset, break; } default: - break; + g_assert_not_reached(); } if (copied < 0) { return copied;