diff options
| author | Matthew Wilcox <mawilcox@microsoft.com> | 2017-01-24 15:18:16 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-01-24 16:26:14 -0800 |
| commit | dd040b6f6d5630202e185399a2ff7ab356ed469c (patch) | |
| tree | 23a87b888bc6de410ef7356abe829f0d64f30481 | |
| parent | bbd88e1d53a84df9f57a2e37acc15518c3d304db (diff) | |
| download | linux-dd040b6f6d5630202e185399a2ff7ab356ed469c.tar.bz2 | |
radix-tree: fix private list warnings
The newly introduced warning in radix_tree_free_nodes() was testing the
wrong variable; it should have been 'old' instead of 'node'.
Fixes: ea07b862ac8e ("mm: workingset: fix use-after-free in shadow node shrinker")
Link: http://lkml.kernel.org/r/20170118163746.GA32495@cmpxchg.org
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | lib/radix-tree.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 0b92d605fb69..84812a9fb16f 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -769,7 +769,7 @@ static void radix_tree_free_nodes(struct radix_tree_node *node) struct radix_tree_node *old = child; offset = child->offset + 1; child = child->parent; - WARN_ON_ONCE(!list_empty(&node->private_list)); + WARN_ON_ONCE(!list_empty(&old->private_list)); radix_tree_node_free(old); if (old == entry_to_node(node)) return; |