diff options
| -rw-r--r-- | fs/squashfs/namei.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/squashfs/namei.c b/fs/squashfs/namei.c index 7834a517f7f4..f866d42a8b6f 100644 --- a/fs/squashfs/namei.c +++ b/fs/squashfs/namei.c @@ -79,7 +79,8 @@ static int get_dir_index_using_name(struct super_block *sb, int len) { struct squashfs_sb_info *msblk = sb->s_fs_info; - int i, size, length = 0, err; + int i, length = 0, err; + unsigned int size; struct squashfs_dir_index *index; char *str; @@ -103,6 +104,10 @@ static int get_dir_index_using_name(struct super_block *sb, size = le32_to_cpu(index->size) + 1; + if (size > SQUASHFS_NAME_LEN) { + err = -EINVAL; + break; + } err = squashfs_read_metadata(sb, index->name, &index_start, &index_offset, size); |