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 57ABBC4332F for ; Mon, 6 Nov 2023 13:27:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232507AbjKFN11 (ORCPT ); Mon, 6 Nov 2023 08:27:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34292 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232623AbjKFN10 (ORCPT ); Mon, 6 Nov 2023 08:27:26 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71331123 for ; Mon, 6 Nov 2023 05:27:23 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B090CC433C8; Mon, 6 Nov 2023 13:27:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1699277243; bh=BC6nPA9F28AufuW5YFLy6TAApNIl7mkh9vZkkO4efkU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=smmOm+1iJkOv/ub5t0XNdEc0Obp3/Iks4wSGfnb4lqX0jZTaayQ+te3M8LqFNJkR3 U5UwmRQiQ+IoAXXvfoqUtgy1h6P77WuHStsjwdT/ve+YTrnVhhQXrYiZyX+LOE//EN Gicpy7UxDUyMdW0p9h6Jyce9N8NOHAZCAVQ9pwi8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Konstantin Komarov , Sasha Levin Subject: [PATCH 5.15 086/128] fs/ntfs3: Fix possible NULL-ptr-deref in ni_readpage_cmpr() Date: Mon, 6 Nov 2023 14:04:06 +0100 Message-ID: <20231106130313.048979602@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231106130309.112650042@linuxfoundation.org> References: <20231106130309.112650042@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 5.15-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 73a56d7ac84b7..b02778cbb1d34 100644 --- a/fs/ntfs3/frecord.c +++ b/fs/ntfs3/frecord.c @@ -2100,7 +2100,7 @@ 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