From patchwork Mon Nov 26 16:55:11 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herton Ronaldo Krzesinski X-Patchwork-Id: 201754 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from chlorine.canonical.com (chlorine.canonical.com [91.189.94.204]) by ozlabs.org (Postfix) with ESMTP id 96A112C0084 for ; Tue, 27 Nov 2012 04:01:31 +1100 (EST) Received: from localhost ([127.0.0.1] helo=chlorine.canonical.com) by chlorine.canonical.com with esmtp (Exim 4.71) (envelope-from ) id 1Td23g-00059R-9b; Mon, 26 Nov 2012 17:01:24 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by chlorine.canonical.com with esmtp (Exim 4.71) (envelope-from ) id 1Td23J-0004uz-L5 for kernel-team@lists.ubuntu.com; Mon, 26 Nov 2012 17:01:01 +0000 Received: from 189.58.19.107.dynamic.adsl.gvt.net.br ([189.58.19.107] helo=canonical.com) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1Td23I-0006Gf-OE; Mon, 26 Nov 2012 17:01:01 +0000 From: Herton Ronaldo Krzesinski To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Subject: [PATCH 021/270] NFSD: pass null terminated buf to kstrtouint() Date: Mon, 26 Nov 2012 14:55:11 -0200 Message-Id: <1353949160-26803-22-git-send-email-herton.krzesinski@canonical.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1353949160-26803-1-git-send-email-herton.krzesinski@canonical.com> References: <1353949160-26803-1-git-send-email-herton.krzesinski@canonical.com> Cc: "J. Bruce Fields" , Malahal Naineni X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.13 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: kernel-team-bounces@lists.ubuntu.com Errors-To: kernel-team-bounces@lists.ubuntu.com 3.5.7u1 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Malahal Naineni commit 9959ba0c241a71c7ed8133401cfbbee2720da0b5 upstream. The 'buf' is prepared with null termination with intention of using it for this purpose, but 'name' is passed instead! Signed-off-by: Malahal Naineni Signed-off-by: J. Bruce Fields Signed-off-by: Herton Ronaldo Krzesinski --- fs/nfsd/nfs4idmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index dae36f1..b6f782e 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -598,7 +598,7 @@ numeric_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namel /* Just to make sure it's null-terminated: */ memcpy(buf, name, namelen); buf[namelen] = '\0'; - ret = kstrtouint(name, 10, id); + ret = kstrtouint(buf, 10, id); return ret == 0; }