Message ID | 160528005406.6186.6799824894457553423.stgit@klimt.1015granger.net (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-nfs-owner@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 65630138B for <patchwork-linux-nfs@patchwork.kernel.org>; Fri, 13 Nov 2020 15:07:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4801922240 for <patchwork-linux-nfs@patchwork.kernel.org>; Fri, 13 Nov 2020 15:07:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gnk4ecCw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726723AbgKMPHi (ORCPT <rfc822;patchwork-linux-nfs@patchwork.kernel.org>); Fri, 13 Nov 2020 10:07:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726526AbgKMPHi (ORCPT <rfc822;linux-nfs@vger.kernel.org>); Fri, 13 Nov 2020 10:07:38 -0500 Received: from mail-qk1-x741.google.com (mail-qk1-x741.google.com [IPv6:2607:f8b0:4864:20::741]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0306FC0613D1 for <linux-nfs@vger.kernel.org>; Fri, 13 Nov 2020 07:07:38 -0800 (PST) Received: by mail-qk1-x741.google.com with SMTP id r7so9052870qkf.3 for <linux-nfs@vger.kernel.org>; Fri, 13 Nov 2020 07:07:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:from:to:date:message-id:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=COrvmwlddej0CGMOGx4wlESLR75B8NOG7RYuqdB3xT4=; b=gnk4ecCw0RYG4qgaI6bxlFSeWPZcEXYxxz4VycIhA40xTSYGfrAmug3UfXDht/4Zl0 o+5W/MVRtznM160GsyJzII5OVoniDHae/4P6aNEO8wqQ3N2biQMGDSR7UsimOjQX4pXH UaDrvx53pPYvNneZKpTe2lz+xmg2DUbwdTpElDun7Xu6whwQztGabAcqDeTeKWRGSRdv t8FBrmoWyTSclSSGaj0XXRxLoWwqoKhWNvY/KLX0AkRVck0ndZh0NA7xg8r7HPT5mLR5 D5TlsFxIB2lfF83Eo8OJ/JuOB9sTK/jhCzzGHHZSZPjUdgBUDLlEZ8pQH0zWg8gZ9rtb x3ag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:from:to:date:message-id :in-reply-to:references:user-agent:mime-version :content-transfer-encoding; bh=COrvmwlddej0CGMOGx4wlESLR75B8NOG7RYuqdB3xT4=; b=VQD6rhVBddjIZTKTM6T9PU8/VhkeFuQRKR/UVTQRkRxg0+SvyFySM2awZkAO+jjxZD rihFqF4CKRJqD76swa7IkwI67Mk1s30V2vKJED45J6nZp6KxRrhW0EejB/S88qRJFag+ j/33SK23BL3FV1+f8XtwejEBjr5leBp9lUX2dDvAcrqjuSXaYinBaU0A1m+nWa/3u6iM PqULo/hajAThwDBLP85Rf6+MVG1pybF4i2/WxsG3/L9MQoRy3er1b+5mUlnW6jQ87qE2 EjZTEh+R7hdIaz2i3aMsfxNesgzPt2AqGS6vwyTG+EZnejxjdz3NXutMFyxIFmwXD5Oj jkJg== X-Gm-Message-State: AOAM5335QwQMzcjW4j7XqaNG98tqM7CRXgPRlu4LRe23csyxvM5woBas UWmZ1KrfKJV/MTCDUVWmgIUOAtnBw3Q= X-Google-Smtp-Source: ABdhPJx5OhvC+a/gkEEEj8s7Iw/pfmwcCUT1c4tVnOxH7KdPogl+vP8zn/D4RO4C2J+RZRdmG8wA0w== X-Received: by 2002:a37:b642:: with SMTP id g63mr2304459qkf.460.1605280055724; Fri, 13 Nov 2020 07:07:35 -0800 (PST) Received: from gateway.1015granger.net (c-68-61-232-219.hsd1.mi.comcast.net. [68.61.232.219]) by smtp.gmail.com with ESMTPSA id a23sm6663937qtj.56.2020.11.13.07.07.34 for <linux-nfs@vger.kernel.org> (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 13 Nov 2020 07:07:35 -0800 (PST) Sender: Chuck Lever <chucklever@gmail.com> Received: from klimt.1015granger.net (klimt.1015granger.net [192.168.1.55]) by gateway.1015granger.net (8.14.7/8.14.7) with ESMTP id 0ADF7Y2S000346 for <linux-nfs@vger.kernel.org>; Fri, 13 Nov 2020 15:07:34 GMT Subject: [PATCH v1 59/61] NFSD: Replace READ* macros in nfsd4_decode_listxattrs() From: Chuck Lever <chuck.lever@oracle.com> To: linux-nfs@vger.kernel.org Date: Fri, 13 Nov 2020 10:07:34 -0500 Message-ID: <160528005406.6186.6799824894457553423.stgit@klimt.1015granger.net> In-Reply-To: <160527962905.6186.17550620763636619885.stgit@klimt.1015granger.net> References: <160527962905.6186.17550620763636619885.stgit@klimt.1015granger.net> User-Agent: StGit/0.23-29-ga622f1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: <linux-nfs.vger.kernel.org> X-Mailing-List: linux-nfs@vger.kernel.org |
Series |
Update NFSD XDR functions
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expand
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diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 760aac341fab..4332b16cfdc8 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2306,11 +2306,10 @@ static __be32 nfsd4_decode_listxattrs(struct nfsd4_compoundargs *argp, struct nfsd4_listxattrs *listxattrs) { - DECODE_HEAD; u32 maxcount; - READ_BUF(12); - p = xdr_decode_hyper(p, &listxattrs->lsxa_cookie); + if (xdr_stream_decode_u64(argp->xdr, &listxattrs->lsxa_cookie) < 0) + goto xdr_error; /* * If the cookie is too large to have even one user.x attribute @@ -2320,15 +2319,20 @@ nfsd4_decode_listxattrs(struct nfsd4_compoundargs *argp, (XATTR_LIST_MAX / (XATTR_USER_PREFIX_LEN + 2))) return nfserr_badcookie; - maxcount = be32_to_cpup(p++); + if (xdr_stream_decode_u32(argp->xdr, &maxcount) < 0) + goto xdr_error; if (maxcount < 8) /* Always need at least 2 words (length and one character) */ - return nfserr_inval; + goto inval_arg; maxcount = min(maxcount, svc_max_payload(argp->rqstp)); listxattrs->lsxa_maxcount = maxcount; - DECODE_TAIL; + return nfs_ok; +xdr_error: + return nfserr_bad_xdr; +inval_arg: + return nfserr_inval; } static __be32
Signed-off-by: Chuck Lever <chuck.lever@oracle.com> --- fs/nfsd/nfs4xdr.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-)