From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E526CC04A6B for ; Sun, 12 May 2019 21:18:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BCBB320989 for ; Sun, 12 May 2019 21:18:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726952AbfELVSZ (ORCPT ); Sun, 12 May 2019 17:18:25 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:40536 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726664AbfELVSZ (ORCPT ); Sun, 12 May 2019 17:18:25 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: krisman) with ESMTPSA id 24394280EE4 From: Gabriel Krisman Bertazi To: "Theodore Ts'o" Cc: Ext4 Developers List Subject: Re: [PATCH] unicode: add missing check for an error return from utf8lookup() Organization: Collabora References: <20190512085752.1791-1-tytso@mit.edu> Date: Sun, 12 May 2019 17:18:20 -0400 In-Reply-To: <20190512085752.1791-1-tytso@mit.edu> (Theodore Ts'o's message of "Sun, 12 May 2019 04:57:52 -0400") Message-ID: <85lfzbbcdf.fsf@collabora.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org "Theodore Ts'o" writes: > Signed-off-by: Theodore Ts'o > Cc: Gabriel Krisman Bertazi Acked-by: Gabriel Krisman Bertazi > --- > fs/unicode/utf8-norm.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/fs/unicode/utf8-norm.c b/fs/unicode/utf8-norm.c > index 20d440c3f2db..801ed6d2ea37 100644 > --- a/fs/unicode/utf8-norm.c > +++ b/fs/unicode/utf8-norm.c > @@ -714,6 +714,8 @@ int utf8byte(struct utf8cursor *u8c) > } > > leaf = utf8lookup(u8c->data, u8c->hangul, u8c->s); > + if (!leaf) > + return -1; > ccc = LEAF_CCC(leaf); > } -- Gabriel Krisman Bertazi