This is a note to let you know that I've just added the patch titled
memcpy_real(): WRITE is "data source", not destination...
to the 6.1-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:
memcpy_real-write-is-data-source-not-destination.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit da917408f0816a4e3720dfdfd3f18e0cc859e20d
Author: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Sun Oct 23 13:29:08 2022 -0400
memcpy_real(): WRITE is "data source", not destination...
[ Upstream commit 77729412acde120712f5793e9134c2b1cbd1ee02 ]
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Stable-dep-of: 6dd88fd59da8 ("vhost-scsi: unbreak any layout for response")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c
index 1571cdcb0c50..753b006c8ea5 100644
--- a/arch/s390/mm/maccess.c
+++ b/arch/s390/mm/maccess.c
@@ -128,7 +128,7 @@ int memcpy_real(void *dest, unsigned long src, size_t count)
kvec.iov_base = dest;
kvec.iov_len = count;
- iov_iter_kvec(&iter, WRITE, &kvec, 1, count);
+ iov_iter_kvec(&iter, READ, &kvec, 1, count);
if (memcpy_real_iter(&iter, src, count) < count)
return -EFAULT;
return 0;
