From nobody Thu Oct 30 16:32:11 2025 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.zohomail.com; dkim=fail; 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 1500921012275103.85966567124524; Mon, 24 Jul 2017 11:30:12 -0700 (PDT) Received: from localhost ([::1]:56316 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dZi7O-0001NK-LX for importer@patchew.org; Mon, 24 Jul 2017 14:30:10 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50110) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dZi5i-0008Gw-UP for qemu-devel@nongnu.org; Mon, 24 Jul 2017 14:28:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dZi5i-0004l3-4Z for qemu-devel@nongnu.org; Mon, 24 Jul 2017 14:28:26 -0400 Received: from mail-qt0-x241.google.com ([2607:f8b0:400d:c0d::241]:35759) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dZi5i-0004kw-02; Mon, 24 Jul 2017 14:28:26 -0400 Received: by mail-qt0-x241.google.com with SMTP id 21so5054782qtx.2; Mon, 24 Jul 2017 11:28:25 -0700 (PDT) Received: from yoga.offpageads.com ([138.117.48.223]) by smtp.gmail.com with ESMTPSA id t57sm9033799qtt.18.2017.07.24.11.28.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 24 Jul 2017 11:28:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qnqayY1OfO+/Z508AN/ruOaC+dXZeWF4ND8GXK1J/7M=; b=MybyyFKdvs7o/2QBBDxMqA7YL5+aBXRIfNYwigsfmKQb4IvjL/hRzJtEXWhrI73EQO rBfmGAwX9AeWYlz1a5h0gi21eVxMMFlLSy7O7JPrIUs5N7D6SSrFfbE1ilILuva9zu14 G/n+CI7pwsOOVNZwn6w2lTdklziuXCpio4GYfwJBXqdq0VAML7J/flzrGnNZHaRynXsL 20kacQRccL+AXt6pTJFLTwZH0lPN1LgDXe31ZrVmputXkGTHEdklCFyem0PvXSkKFQd1 7b9MiPiefJa0qSXhdlGw4uGxUgctIk7880XoT8f52FENmsydVytS2xRuA/b7MjIB8hs9 b3gA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=qnqayY1OfO+/Z508AN/ruOaC+dXZeWF4ND8GXK1J/7M=; b=ZDWU3rOUnS1MfuH4zCGPDipyh3OgWHAwEGI8WhTn3jrwucQLNyJpW5A/170HmuCETh 1XvwzrwfZ7VZBaODomiC8dD1gysqNlgpHHcnFG8YlH3mLDGiou04pR5y578DkmijzhGJ ONjMzJLRibnNz0zu/awFOTSS4EFgl+CeuLVWXUN2ffeHVX/8497EtmvHfX2Lm3z/pkuH hyZO/iOnz0VCs9PJ0TwB/wf3OhQdD2CYi2vDhZxdaJYq2oTFLQwi00Yiy7tM/db6t1/w DIX4pP2ZCtYLW8JUD4BNSyJ+fnpT+XrGV8dw7ukLiNt6MQxjdqcF1uFsBgZVqyjTDsWC ui6A== X-Gm-Message-State: AIVw113raHc3R8Qcbv5xOcoD5fRK3Cpw5gmZ+m3Rwwcdiu8lBVKVYqFA 4MdXfUUkM5MTD5mimDU= X-Received: by 10.200.34.43 with SMTP id o40mr6687914qto.131.1500920905572; Mon, 24 Jul 2017 11:28:25 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: Eric Blake , Paolo Bonzini , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Mon, 24 Jul 2017 15:27:21 -0300 Message-Id: <20170724182751.18261-6-f4bug@amsat.org> X-Mailer: git-send-email 2.13.3 In-Reply-To: <20170724182751.18261-1-f4bug@amsat.org> References: <20170724182751.18261-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400d:c0d::241 Subject: [Qemu-devel] [PATCH for 2.10 05/35] nbd: fix memory leak in nbd_opt_go() 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: qemu-trivial@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-block@nongnu.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 nbd/client.c:385:12: warning: Potential leak of memory pointed to by 'buf' Reported-by: Clang Static Analyzer Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Eric Blake --- nbd/client.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/nbd/client.c b/nbd/client.c index 509ed5e4ba..0a17de80b5 100644 --- a/nbd/client.c +++ b/nbd/client.c @@ -376,9 +376,11 @@ static int nbd_opt_go(QIOChannel *ioc, const char *wan= tname, if (info->request_sizes) { stw_be_p(buf + 4 + len + 2, NBD_INFO_BLOCK_SIZE); } - if (nbd_send_option_request(ioc, NBD_OPT_GO, - 4 + len + 2 + 2 * info->request_sizes, buf, - errp) < 0) { + error =3D nbd_send_option_request(ioc, NBD_OPT_GO, + 4 + len + 2 + 2 * info->request_sizes, + buf, errp); + g_free(buf); + if (error < 0) { return -1; } =20 --=20 2.13.3