{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00218975","sets":["1164:1867:10898:10972"]},"path":["10972"],"owner":"44499","recid":"218975","title":["eBPFプログラムを送り込むことによるVM内のシステム監視"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-07-20"},"_buckets":{"deposit":"c477e0fb-5a9b-44bc-904b-2b91e6368ba0"},"_deposit":{"id":"218975","pid":{"type":"depid","value":"218975","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"eBPFプログラムを送り込むことによるVM内のシステム監視","author_link":["570544","570543"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"eBPFプログラムを送り込むことによるVM内のシステム監視"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"監視","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2022-07-20","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"九州工業大学"},{"subitem_text_value":"九州工業大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Kyushu Institute of Technology","subitem_text_language":"en"},{"subitem_text_value":"Kyushu Institute of Technology","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/218975/files/IPSJ-OS22156001.pdf","label":"IPSJ-OS22156001.pdf"},"date":[{"dateType":"Available","dateValue":"2024-07-20"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-OS22156001.pdf","filesize":[{"value":"965.9 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"11"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"10d2f0d0-2a87-4a7d-92ad-4dc716f83a72","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2022 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"堀, 恭介"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"光来, 健一"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10444176","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8795","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"Amazon EC2 などの IaaS 型クラウドは仮想マシン（VM）内で動作するエージェントを用いて VM 内の情報を取得することが多い．このエージェント方式の問題点は VM のユーザがエージェントの保守作業を行う必要があることであり，この作業を怠ると脆弱性となる可能性がある．それに対して，イントロスペクション方式はクラウド側が VM のメモリなどに直接アクセスして情報を取得できるが，開発が難しく，AMD SEV を用いてメモリが暗号化された VM には適用できない．本稿では，クラウド側から VM に eBPF プログラムを動的に送り込み，VM 内のシステム情報を安全に取得するシステム TeleBPF を提案する．eBPF は Berkeley パケットフィルタを拡張した Linux の機構であり，eBPF プログラムの実行時に検査が行われるため OS 内で安全に実行することができる．TeleBPF は BPF 関連システムコールをフックし，VM 内の TeleBPF プロキシに透過的に転送する．TeleBPF プロキシは転送されたシステムコールを代理実行し，その結果をクラウド側に返す．TeleBPF を用いて既存の eBPF アプリケーションが実行できることを確認し，システムコールを転送するオーバヘッドを測定した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"7","bibliographic_titles":[{"bibliographic_title":"研究報告システムソフトウェアとオペレーティング・システム（OS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2022-07-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2022-OS-156"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":218975,"updated":"2025-01-19T14:58:04.637687+00:00","links":{},"created":"2025-01-19T01:19:18.967369+00:00"}