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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_RED 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 3B3D2C433E0 for ; Sun, 24 Jan 2021 03:57:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0B6C3225A9 for ; Sun, 24 Jan 2021 03:57:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726223AbhAXD50 (ORCPT ); Sat, 23 Jan 2021 22:57:26 -0500 Received: from mail.kernel.org ([198.145.29.99]:37454 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726481AbhAXD5Z (ORCPT ); Sat, 23 Jan 2021 22:57:25 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 17A26225A9; Sun, 24 Jan 2021 03:56:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1611460605; bh=y4iXnONY0VQVtJGb0gomstgPGbnR1cgCzn5BgtYCufw=; h=Date:From:To:Subject:From; b=PSD7yUTQZQ2chwbF8lburzMWl6EZgVJPzv8iLok9dSQivDX1A/TIuqJPaqWtlmgTh F3Se1FIWiP4nKOpQaKmDxFAc3Tnc3kBCCIJ56m+GHsTsnfPXWit8bEdxlRUrWtpL4+ jNJZmVsrKZok8cla9YgK8+MPxcYOseOV/umaLuiA= Date: Sat, 23 Jan 2021 19:56:43 -0800 From: akpm@linux-foundation.org To: mike.kravetz@oracle.com, mm-commits@vger.kernel.org, stephenzhangzsd@gmail.com Subject: + mm-memfd-replace-strcpy-by-strscpy.patch added to -mm tree Message-ID: <20210124035643.w-SK7UT3m%akpm@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm/memfd: replace strcpy() by strscpy() has been added to the -mm tree. Its filename is mm-memfd-replace-strcpy-by-strscpy.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-memfd-replace-strcpy-by-strscpy.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-memfd-replace-strcpy-by-strscpy.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Stephen Zhang Subject: mm/memfd: replace strcpy() by strscpy() strcpy() is being deprecated. Replace it with the safer strscpy(). Link: https://lkml.kernel.org/r/1611455017-2210-1-git-send-email-stephenzhangzsd@gmail.com Signed-off-by: Stephen Zhang Cc: Mike Kravetz Signed-off-by: Andrew Morton --- mm/memfd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/memfd.c~mm-memfd-replace-strcpy-by-strscpy +++ a/mm/memfd.c @@ -278,7 +278,7 @@ SYSCALL_DEFINE2(memfd_create, if (!name) return -ENOMEM; - strcpy(name, MFD_NAME_PREFIX); + strscpy(name, MFD_NAME_PREFIX, len + MFD_NAME_PREFIX_LEN); if (copy_from_user(&name[MFD_NAME_PREFIX_LEN], uname, len)) { error = -EFAULT; goto err_name; _ Patches currently in -mm which might be from stephenzhangzsd@gmail.com are mm-swapfilec-fix-debugging-information-problem.patch mm-memfd-replace-strcpy-by-strscpy.patch mm-early_ioremapc-use-__func__-instead-of-function-name.patch