Patch "Fix misannotated out-of-line _copy_to_user()" has been added to the 4.15-stable tree
Subsystems (2)
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 <[email protected]> know about it.
Quoted 1 line
From foo@baz Fri Mar 16 15:11:08 CET 2018
From: Christophe Leroy <[email protected]>
Date: Sat, 9 Dec 2017 17:24:24 +0100
Subject: Fix misannotated out-of-line _copy_to_user()
From: Christophe Leroy <[email protected]>
[ 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.
--- lib/usercopy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
lib/usercopy.c +1 -1
@@ -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 [email protected] are
queue-4.15/fix-misannotated-out-of-line-_copy_to_user.patch