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=-18.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS 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 E2457C4361B for ; Tue, 8 Dec 2020 08:42:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9BB05239E5 for ; Tue, 8 Dec 2020 08:42:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728263AbgLHIl5 (ORCPT ); Tue, 8 Dec 2020 03:41:57 -0500 Received: from mail.kernel.org ([198.145.29.99]:49556 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726340AbgLHIl5 (ORCPT ); Tue, 8 Dec 2020 03:41:57 -0500 Subject: patch "usb: mtu3: fix memory corruption in mtu3_debugfs_regset()" added to usb-next DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1607416876; bh=oXp/AmXQ3qM6J19Z6NeVQiUvqKqb+v6EFL9ObKuFztc=; h=To:From:Date:From; b=hCz2r46rVimiDorzNptVULR/hQcQP5ddFx79J3db3NvmwarlImVUlkaFfYI6fg8YM 9B3kkwYTQv/NW7KiDpTOiyHWuXMKHj1h1hQX81vq+tm2HsaJzUh1D3y+KkwKe8KBDu n2JK5wmVETo7sz5DOXLG0lCiTDIZnWfRM6zbo4cQ= To: dan.carpenter@oracle.com, gregkh@linuxfoundation.org, stable@vger.kernel.org From: Date: Tue, 08 Dec 2020 09:42:14 +0100 Message-ID: <16074169345098@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org This is a note to let you know that I've just added the patch titled usb: mtu3: fix memory corruption in mtu3_debugfs_regset() to my usb git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git in the usb-next branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will also be merged in the next major kernel release during the merge window. If you have any questions about this process, please let me know. >From 3f6f6343a29d9ea7429306b83b18e66dc1331d5c Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Thu, 3 Dec 2020 11:41:13 +0300 Subject: usb: mtu3: fix memory corruption in mtu3_debugfs_regset() This code is using the wrong sizeof() so it does not allocate enough memory. It allocates 32 bytes but 72 are required. That will lead to memory corruption. Fixes: ae07809255d3 ("usb: mtu3: add debugfs interface files") Signed-off-by: Dan Carpenter Link: https://lore.kernel.org/r/X8ikqc4Mo2/0G72j@mwanda Cc: stable Signed-off-by: Greg Kroah-Hartman --- drivers/usb/mtu3/mtu3_debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/mtu3/mtu3_debugfs.c b/drivers/usb/mtu3/mtu3_debugfs.c index fdeade6254ae..7537bfd651af 100644 --- a/drivers/usb/mtu3/mtu3_debugfs.c +++ b/drivers/usb/mtu3/mtu3_debugfs.c @@ -127,7 +127,7 @@ static void mtu3_debugfs_regset(struct mtu3 *mtu, void __iomem *base, struct debugfs_regset32 *regset; struct mtu3_regset *mregs; - mregs = devm_kzalloc(mtu->dev, sizeof(*regset), GFP_KERNEL); + mregs = devm_kzalloc(mtu->dev, sizeof(*mregs), GFP_KERNEL); if (!mregs) return; -- 2.29.2