This looks like the same image with a deleted inode as in:
https://syzkaller.appspot.com/bug?extid=b01a36acd7007e273a83

#syz test

---
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 1ed86df343a5..65f1dc32f173 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -372,6 +372,12 @@ static bool sanity_check_inode(struct inode *inode, struct 
page *node_page)
                return false;
        }
 
+       if (inode->i_nlink == 0) {
+               f2fs_warn(sbi, "%s: inode (ino=%lx) has a link count of 0",
+                         __func__, inode->i_ino);
+               return false;
+       }
+
        return true;
 }
 


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