From 22b0ebda6c63a1ad66b6a9e806bd226a4a03a049 Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Fri, 30 Mar 2007 08:47:31 -0400 Subject: Btrfs: hunting slab corruption Signed-off-by: Chris Mason --- fs/btrfs/dir-item.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs/btrfs/dir-item.c') diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c index c18f81797a8..18d3e168ad0 100644 --- a/fs/btrfs/dir-item.c +++ b/fs/btrfs/dir-item.c @@ -35,6 +35,8 @@ int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root btrfs_set_dir_name_len(dir_item, name_len); name_ptr = (char *)(dir_item + 1); memcpy(name_ptr, name, name_len); + if (name_ptr + name_len > path.nodes[0]->b_data + 4096) + WARN_ON(1); mark_buffer_dirty(path.nodes[0]); out: btrfs_release_path(root, &path); -- cgit v1.2.3