Patch "score: fix __get_user/get_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

score: fix __get_user/get_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:
score-fix-__get_user-get_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 22:13:39 -0400
Subject: score: fix __get_user/get_user

From: Al Viro <[email protected]>

commit c2f18fa4cbb3ad92e033a24efa27583978ce9600 upstream.

* should zero on any failure
* __get_user() should use __copy_from_user(), not copy_from_user()

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

@@ -163,7 +163,7 @@ do {									\
 		__get_user_asm(val, "lw", ptr);				\
 		 break;							\
 	case 8: 							\
-		if ((copy_from_user((void *)&val, ptr, 8)) == 0)	\
+		if (__copy_from_user((void *)&val, ptr, 8) == 0)	\
 			__gu_err = 0;					\
 		else							\
 			__gu_err = -EFAULT;				\

@@ -188,6 +188,8 @@ do {									\
 									\
 	if (likely(access_ok(VERIFY_READ, __gu_ptr, size)))		\
 		__get_user_common((x), size, __gu_ptr);			\
+	else								\
+		(x) = 0;						\
 									\
 	__gu_err;							\
 })

@@ -201,6 +203,7 @@ do {									\
 		"2:\n"							\
 		".section .fixup,\"ax\"\n"				\
 		"3:li	%0, %4\n"					\
+		"li	%1, 0\n"					\
 		"j	2b\n"						\
 		".previous\n"						\
 		".section __ex_table,\"a\"\n"				\

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