From 59885b39303edc0b3284f324a1ca42cb6e7742d0 Mon Sep 17 00:00:00 2001 From: Tsutomu Itoh Date: Wed, 9 Apr 2014 09:18:04 +0900 Subject: [PATCH] Btrfs: fix possible memory leak in btrfs_create_tree() In btrfs_create_tree(), if btrfs_insert_root() fails, we should free root->commit_root. Reported-by: Alex Lyakas Signed-off-by: Tsutomu Itoh Signed-off-by: Chris Mason --- fs/btrfs/disk-io.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index cf8427a7a615..d3bd34e434f6 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1366,6 +1366,7 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans, fail: if (leaf) { btrfs_tree_unlock(leaf); + free_extent_buffer(root->commit_root); free_extent_buffer(leaf); } kfree(root); -- 2.20.1