If a nid is valid, the ino in its nat entry should record its parent nid.
However if the ino is zero, we should drop the node.
Signed-off-by: Sheng Yong <shengyo...@huawei.com>
Signed-off-by: Xue Liu <liuxueliu....@huawei.com>
---
fsck/fsck.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/fsck/fsck.c b/fsck/fsck.c
index 4fbb56d..c018d3a 100644
--- a/fsck/fsck.c
+++ b/fsck/fsck.c
@@ -342,6 +342,11 @@ static int sanity_check_nid(struct f2fs_sb_info *sbi, u32
nid,
}
get_node_info(sbi, nid, ni);
+ if (ni->ino == 0) {
+ ASSERT_MSG("nid[0x%x] ino is 0", nid);
+ return -EINVAL;
+ }
+
if (ni->blk_addr == NEW_ADDR) {
ASSERT_MSG("nid is NEW_ADDR. [0x%x]", nid);
return -EINVAL;
--
1.9.1
------------------------------------------------------------------------------
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