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=-7.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,URIBL_RHS_DOB,USER_AGENT_GIT 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 AB018C04EB9 for ; Thu, 6 Dec 2018 14:41:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7162A20892 for ; Thu, 6 Dec 2018 14:41:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544107264; bh=5dGOujrYAbTJ3GD2pNQmxI6u7qiysjSa9tmgjQljIp4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vzdTDsg0g6HJk6m40RxSBSTayv8t97QRS+wFJYmnwtOtPEBABuYuBIxupm26xG25u 8rzUx5TYGnOC3JS3TG47a/6k/1vv0z6GNdb83uY1sfPJXI4nXYRmqXJ+YtsvO50w0M Ud5+cpeeMITLq/1zaoowmMm78M797MjnD7jloXVg= DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7162A20892 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730130AbeLFOlD (ORCPT ); Thu, 6 Dec 2018 09:41:03 -0500 Received: from mail.kernel.org ([198.145.29.99]:45222 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730108AbeLFOlA (ORCPT ); Thu, 6 Dec 2018 09:41:00 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 448FE20892; Thu, 6 Dec 2018 14:40:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544107259; bh=5dGOujrYAbTJ3GD2pNQmxI6u7qiysjSa9tmgjQljIp4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fjJqTW5S+/vPqhUnqM3Udm7aokIZKXwGxCdng75UjJq2cfX67zAYjGOS/JrB73M4/ sdWoBH7pwPILpEsSX+Zjrj5pnB2yxzwcmypb2Ttgaq5TJc/tse+4PIfHCq0g4TbCHL mywSQJqNkj9B2A8h7+6brcAVHfAXP/aP+x7P8OO0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Frieder Schrempf , Miquel Raynal , Boris Brezillon Subject: [PATCH 4.19 06/41] mtd: nand: Fix memory allocation in nanddev_bbt_init() Date: Thu, 6 Dec 2018 15:38:46 +0100 Message-Id: <20181206142950.228646871@linuxfoundation.org> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20181206142949.757402551@linuxfoundation.org> References: <20181206142949.757402551@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Frieder Schrempf commit 40b412897ccb4b98b2cfb2a0aaabed58dd9e2086 upstream. Fix the size of the buffer allocated to store the in-memory BBT. This bug was previously hidden by a different bug, that was fixed in commit d098093ba06e ("mtd: nand: Fix nanddev_neraseblocks()"). Fixes: 9c3736a3de21 ("mtd: nand: Add core infrastructure to deal with NAND devices") Cc: Signed-off-by: Frieder Schrempf Acked-by: Miquel Raynal Signed-off-by: Boris Brezillon Signed-off-by: Greg Kroah-Hartman --- drivers/mtd/nand/bbt.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/mtd/nand/bbt.c +++ b/drivers/mtd/nand/bbt.c @@ -27,7 +27,8 @@ int nanddev_bbt_init(struct nand_device unsigned int nwords = DIV_ROUND_UP(nblocks * bits_per_block, BITS_PER_LONG); - nand->bbt.cache = kzalloc(nwords, GFP_KERNEL); + nand->bbt.cache = kcalloc(nwords, sizeof(*nand->bbt.cache), + GFP_KERNEL); if (!nand->bbt.cache) return -ENOMEM;