fsck.f2fs: check ino of an inode

If the node is an inode, its ino in the nat entry should be equal to the
ino in its node footer. Otherwise, we drop the file.

Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Signed-off-by: Xue Liu <liuxueliu.liu@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fsck/fsck.c b/fsck/fsck.c
index 3e5dd4e..99dfe1f 100644 (file)
--- a/fsck/fsck.c
+++ b/fsck/fsck.c
@@ -383,6 +383,11 @@ static int sanity_check_nid(struct f2fs_sb_info *sbi, u32 nid,
                                le32_to_cpu(node_blk->footer.ino));
                return -EINVAL;
        }
+       if (ntype == TYPE_INODE && ni->ino != node_blk->footer.ino) {
+               ASSERT_MSG("nid[0x%x] TYPE_INODE nat_entry->ino[0x%x] footer.ino[0x%x]",
+                               nid, ni->ino, le32_to_cpu(node_blk->footer.ino));
+               return -EINVAL;
+       }
        if (ntype != TYPE_INODE &&
                        node_blk->footer.nid == node_blk->footer.ino) {
                ASSERT_MSG("nid[0x%x] footer.nid[0x%x] footer.ino[0x%x]",