diff options
Diffstat (limited to 'fs/hfs/super.c')
| -rw-r--r-- | fs/hfs/super.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/hfs/super.c b/fs/hfs/super.c index f7fcbe49da72..5ed7252b7b23 100644 --- a/fs/hfs/super.c +++ b/fs/hfs/super.c @@ -409,8 +409,13 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent) /* try to get the root inode */ hfs_find_init(HFS_SB(sb)->cat_tree, &fd); res = hfs_cat_find_brec(sb, HFS_ROOT_CNID, &fd); - if (!res) + if (!res) { + if (fd.entrylength > sizeof(rec) || fd.entrylength < 0) { + res = -EIO; + goto bail; + } hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, fd.entrylength); + } if (res) { hfs_find_exit(&fd); goto bail_no_root; |