| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 25/60] Btrfs: fix memory leak in do_walk_down | Date | Wed, 4 Jan 2017 21:47:10 +0100 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Liu Bo <bo.li.liu@oracle.com>
commit a958eab0ed7fdc1b977bc25d3af6efedaa945488 upstream.
The extent buffer 'next' needs to be free'd conditionally.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- fs/btrfs/extent-tree.c | 1 + 1 file changed, 1 insertion(+)
--- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -8488,6 +8488,7 @@ static noinline int do_walk_down(struct &wc->flags[level - 1]); if (ret < 0) { btrfs_tree_unlock(next); + free_extent_buffer(next); return ret; }
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