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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E5D6C4332F for ; Mon, 6 Nov 2023 13:14:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232202AbjKFNOD (ORCPT ); Mon, 6 Nov 2023 08:14:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42054 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232226AbjKFNOC (ORCPT ); Mon, 6 Nov 2023 08:14:02 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5B21A9 for ; Mon, 6 Nov 2023 05:13:58 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C9645C433C7; Mon, 6 Nov 2023 13:13:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1699276438; bh=Xl8eRNXqdCHcrhAQ220ds7SkR4j/K1MqE55/hNFKWOg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f+ku9NvhioWZcHcyyRmNyJDPHaW8NFtRWmX2BJaqHiyaeC6FAIjRHtLcSGoTwAd8D mDgV4VioKa5K2wBOGxYxYHjERy56C+13H9ndb4idG1VUnG5Nu3p2E3F9sL9M/ugzM8 g9oQ/bl2GdFRbH3/n6BXH9H2BpcwZ+czImHbRT/E= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Konstantin Komarov , Sasha Levin Subject: [PATCH 6.1 14/62] fs/ntfs3: Fix possible NULL-ptr-deref in ni_readpage_cmpr() Date: Mon, 6 Nov 2023 14:03:20 +0100 Message-ID: <20231106130302.340821618@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231106130301.807965064@linuxfoundation.org> References: <20231106130301.807965064@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Konstantin Komarov [ Upstream commit 32e9212256b88f35466642f9c939bb40cfb2c2de ] Signed-off-by: Konstantin Komarov Signed-off-by: Sasha Levin --- fs/ntfs3/frecord.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c index 166c3c49530ec..bb7e33c240737 100644 --- a/fs/ntfs3/frecord.c +++ b/fs/ntfs3/frecord.c @@ -2149,7 +2149,7 @@ int ni_readpage_cmpr(struct ntfs_inode *ni, struct page *page) for (i = 0; i < pages_per_frame; i++) { pg = pages[i]; - if (i == idx) + if (i == idx || !pg) continue; unlock_page(pg); put_page(pg); -- 2.42.0