From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:33196 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751454AbeCPOQB (ORCPT ); Fri, 16 Mar 2018 10:16:01 -0400 Subject: Patch "Fix misannotated out-of-line _copy_to_user()" has been added to the 4.15-stable tree To: christophe.leroy@c-s.fr, alexander.levin@microsoft.com, gregkh@linuxfoundation.org, viro@zeniv.linux.org.uk Cc: , From: Date: Fri, 16 Mar 2018 15:15:10 +0100 Message-ID: <152120971040155@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled Fix misannotated out-of-line _copy_to_user() to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: fix-misannotated-out-of-line-_copy_to_user.patch and it can be found in the queue-4.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Fri Mar 16 15:11:08 CET 2018 From: Christophe Leroy Date: Sat, 9 Dec 2017 17:24:24 +0100 Subject: Fix misannotated out-of-line _copy_to_user() From: Christophe Leroy [ Upstream commit a0e94598e6b6c0d1df6a5fa14eb7c767ca817a20 ] Destination is a kernel pointer and source - a userland one in _copy_from_user(); _copy_to_user() is the other way round. Fixes: d597580d37377 ("generic ...copy_..._user primitives") Signed-off-by: Christophe Leroy Signed-off-by: Al Viro Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- lib/usercopy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/lib/usercopy.c +++ b/lib/usercopy.c @@ -20,7 +20,7 @@ EXPORT_SYMBOL(_copy_from_user); #endif #ifndef INLINE_COPY_TO_USER -unsigned long _copy_to_user(void *to, const void __user *from, unsigned long n) +unsigned long _copy_to_user(void __user *to, const void *from, unsigned long n) { might_fault(); if (likely(access_ok(VERIFY_WRITE, to, n))) { Patches currently in stable-queue which might be from christophe.leroy@c-s.fr are queue-4.15/fix-misannotated-out-of-line-_copy_to_user.patch