[merged mm-stable] maple_tree-fix-potential-rcu-issue.patch removed from -mm tree

[merged mm-stable] maple_tree-fix-potential-rcu-issue.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: maple_tree: fix potential rcu issue
has been removed from the -mm tree.  Its filename was
     maple_tree-fix-potential-rcu-issue.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>
Subject: maple_tree: fix potential rcu issue
Date: Fri, 20 Jan 2023 11:26:03 -0500

Ensure the node isn't dead after reading the node end.

Link: https://lkml.kernel.org/r/20230120162650.984577-3-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 lib/maple_tree.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/lib/maple_tree.c~maple_tree-fix-potential-rcu-issue
+++ a/lib/maple_tree.c
@@ -4655,13 +4655,13 @@ static inline void *mas_next_nentry(stru
 	pivots = ma_pivots(node, type);
 	slots = ma_slots(node, type);
 	mas->index = mas_safe_min(mas, pivots, mas->offset);
+	count = ma_data_end(node, type, pivots, mas->max);
 	if (ma_dead_node(node))
 		return NULL;
 
 	if (mas->index > max)
 		return NULL;
 
-	count = ma_data_end(node, type, pivots, mas->max);
 	if (mas->offset > count)
 		return NULL;
 
_

Patches currently in -mm which might be from Liam.Howlett@Oracle.com are