Patch "copy_oldmem_kernel() - WRITE is "data source", not destination" has been added to the 6.1-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

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

    copy_oldmem_kernel() - 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:
     copy_oldmem_kernel-write-is-data-source-not-destinat.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 59d3842634810c81a1ef83793275ed6f2ccbbd8b
Author: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date:   Thu Sep 15 18:55:18 2022 -0400

    copy_oldmem_kernel() - WRITE is "data source", not destination
    
    [ Upstream commit 0e1e4a2238d465199e8f11eb7a779bcb224a0505 ]
    
    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/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index e4ef67e4da0a..a19a2763e8d4 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -153,7 +153,7 @@ int copy_oldmem_kernel(void *dst, unsigned long src, size_t count)
 
 	kvec.iov_base = dst;
 	kvec.iov_len = count;
-	iov_iter_kvec(&iter, WRITE, &kvec, 1, count);
+	iov_iter_kvec(&iter, READ, &kvec, 1, count);
 	if (copy_oldmem_iter(&iter, src, count) < count)
 		return -EFAULT;
 	return 0;