Patch "sh: fix copy_from_user()" has been added to the 4.7-stable tree

This is a note to let you know that I've just added the patch titled

sh: fix copy_from_user()

to the 4.7-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:
sh-fix-copy_from_user.patch
and it can be found in the queue-4.7 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Al Viro <[email protected]>
Date: Sun, 21 Aug 2016 23:39:47 -0400
Subject: sh: fix copy_from_user()

From: Al Viro <[email protected]>

commit 6e050503a150b2126620c1a1e9b3a368fcd51eac upstream.

---
 arch/sh/include/asm/uaccess.h |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

@@ -151,7 +151,10 @@ copy_from_user(void *to, const void __us
 	__kernel_size_t __copy_size = (__kernel_size_t) n;
 
 	if (__copy_size && __access_ok(__copy_from, __copy_size))
-		return __copy_user(to, from, __copy_size);
+		__copy_size = __copy_user(to, from, __copy_size);
+
+	if (unlikely(__copy_size))
+		memset(to + (n - __copy_size), 0, __copy_size);
 
 	return __copy_size;
 }

Patches currently in stable-queue which might be from [email protected] are

queue-4.7/nios2-copy_from_user-should-zero-the-tail-of-destination.patch queue-4.7/m32r-fix-__get_user.patch queue-4.7/microblaze-fix-copy_from_user.patch queue-4.7/cris-buggered-copy_from_user-copy_to_user-clear_user.patch queue-4.7/asm-generic-make-copy_from_user-zero-the-destination-properly.patch queue-4.7/metag-copy_from_user-should-zero-the-destination-on-access_ok-failure.patch queue-4.7/score-fix-__get_user-get_user.patch queue-4.7/parisc-fix-copy_from_user.patch queue-4.7/mips-copy_from_user-must-zero-the-destination-on-access_ok-failure.patch queue-4.7/alpha-fix-copy_from_user.patch queue-4.7/mn10300-failing-__get_user-and-get_user-should-zero.patch queue-4.7/openrisc-fix-copy_from_user.patch queue-4.7/avr32-fix-copy_from_user.patch queue-4.7/score-fix-copy_from_user-and-friends.patch queue-4.7/sh64-failing-__get_user-should-zero.patch queue-4.7/arc-uaccess-get_user-to-zero-out-dest-in-cause-of-fault.patch queue-4.7/hexagon-fix-strncpy_from_user-error-return.patch queue-4.7/af_unix-split-u-readlock-into-two-iolock-and-bindlock.patch queue-4.7/frv-fix-clear_user.patch queue-4.7/fix-minor-infoleak-in-get_user_ex.patch queue-4.7/asm-generic-make-get_user-clear-the-destination-on-errors.patch queue-4.7/mn10300-copy_from_user-should-zero-on-access_ok-failure.patch queue-4.7/s390-get_user-should-zero-on-failure.patch queue-4.7/microblaze-fix-__get_user.patch queue-4.7/blackfin-fix-copy_from_user.patch queue-4.7/fix-iov_iter_fault_in_readable.patch queue-4.7/nios2-fix-__get_user.patch queue-4.7/sh-fix-copy_from_user.patch