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| author | Chris Mason <chris.mason@oracle.com> | 2007-03-30 14:47:31 +0200 |
|---|---|---|
| committer | David Woodhouse <dwmw2@hera.kernel.org> | 2007-03-30 14:47:31 +0200 |
| commit | 22b0ebda6c63a1ad66b6a9e806bd226a4a03a049 (patch) | |
| tree | 391d141c7c143914969a98409e72e615cdcac226 /fs/btrfs/dir-item.c | |
| parent | Btrfs: verify csums on read (diff) | |
| download | linux-22b0ebda6c63a1ad66b6a9e806bd226a4a03a049.tar.xz linux-22b0ebda6c63a1ad66b6a9e806bd226a4a03a049.zip | |
Btrfs: hunting slab corruption
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/dir-item.c')
| -rw-r--r-- | fs/btrfs/dir-item.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c index c18f81797a88..18d3e168ad0a 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); |