Patch "Fix misannotated out-of-line _copy_to_user()" has been added to the 4.14-stable tree

Patch "Fix misannotated out-of-line _copy_to_user()" has been added to the 4.14-stable tree

[gregkh]

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 4.14-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-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Fri Mar 16 15:43:17 CET 2018
From: Christophe Leroy <christophe.leroy@c-s.fr>
Date: Sat, 9 Dec 2017 17:24:24 +0100
Subject: Fix misannotated out-of-line _copy_to_user()

From: Christophe Leroy <christophe.leroy@c-s.fr>


[ 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 <christophe.leroy@c-s.fr>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 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-4.14/fix-misannotated-out-of-line-_copy_to_user.patch