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 DB0FCE7D270 for ; Tue, 26 Sep 2023 09:57:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234341AbjIZJ52 (ORCPT ); Tue, 26 Sep 2023 05:57:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47674 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234332AbjIZJ5X (ORCPT ); Tue, 26 Sep 2023 05:57:23 -0400 Received: from relayaws-01.paragon-software.com (relayaws-01.paragon-software.com [35.157.23.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7055E180; Tue, 26 Sep 2023 02:57:16 -0700 (PDT) Received: from dlg2.mail.paragon-software.com (vdlg-exch-02.paragon-software.com [172.30.1.105]) by relayaws-01.paragon-software.com (Postfix) with ESMTPS id D74CD21BC; Tue, 26 Sep 2023 09:51:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=paragon-software.com; s=mail; t=1695721883; bh=bm/OuTb2k1SKktIcvNOfnXcU6zkoYgiSC7bYVh+F8wM=; h=Date:Subject:From:To:CC:References:In-Reply-To; b=LFKbUDezPewix3D97fm/Cu+G0YjuJU15KhAJ0g5GOkGfyPwZk35Rq51MGSp46698H ftYL9HxtU9bsc6ixQLJ/8BR9nwgZ0+V1O/VHVo5M65Vh4B2dDDGK0CXf+oaBCqT5dx E8AN+uc2Kx/Hz5PGxBz1iEuf606qJPfzRRHM2PT0= Received: from [172.16.192.129] (192.168.211.137) by vdlg-exch-02.paragon-software.com (172.30.1.105) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Tue, 26 Sep 2023 12:57:13 +0300 Message-ID: Date: Tue, 26 Sep 2023 12:57:13 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 7/8] fs/ntfs3: Fix possible NULL-ptr-deref in ni_readpage_cmpr() Content-Language: en-US From: Konstantin Komarovc To: CC: , References: <7c217d7d-6ee4-4603-b5f1-ebe7b68cf430@paragon-software.com> In-Reply-To: <7c217d7d-6ee4-4603-b5f1-ebe7b68cf430@paragon-software.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [192.168.211.137] X-ClientProxiedBy: vdlg-exch-02.paragon-software.com (172.30.1.105) To vdlg-exch-02.paragon-software.com (172.30.1.105) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Konstantin Komarov ---  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 d49fbb22bd5e..dad976a68985 100644 --- a/fs/ntfs3/frecord.c +++ b/fs/ntfs3/frecord.c @@ -2148,7 +2148,7 @@ 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); -- 2.34.1