Unit type errors, where values with physical unit types (e.g., meters, hours) are used incorrectly in a computation, are common in to- day’s unmanned aerial system (UAS) firmware. Recent studies show that unit type errors represent over 10% of bugs in UAS firmware. Moreover, the consequences of unit type errors are severe, despite their simplicity. Over 30% of unit type errors cause UAS crashes. This paper proposes SA4U: a practical system for detecting unit type errors in real-world UAS firmware. SA4U requires no modifications to firmware or developer annotations. It deduces the unit types of program variables by analyzing simulation traces and protocol definitions. SA4U uses the deduced unit types to identify when unit conversion errors occur. SA4U is effective: it identified 14 previously undetected errors in two popular open-source firmware (ArduPilot & PX4.)
Wed 12 OctDisplayed time zone: Eastern Time (US & Canada) change
10:00 - 12:00 | Technical Session 11 - Analysis and TypesResearch Papers / NIER Track / Late Breaking Results at Gold A Chair(s): Thiago Ferreira University of Michigan - Flint | ||
10:00 20mResearch paper | SA4U: Practical Static Analysis for Unit Type Error Detection Research Papers Max Taylor The Ohio State University, Johnathon Aurand The Ohio State University, Feng Qin Ohio State University, USA, Xiaorui Wang The Ohio State University, Brandon Henry Tangram Flex, Xiangyu Zhang Purdue University | ||
10:20 10mVision and Emerging Results | Principled Composition of Function Variants for Dynamic Software Diversity and Program Protection NIER Track Giacomo Priamo Sapienza University of Rome, Daniele Cono D'Elia Sapienza University of Rome, Leonardo Querzoni Sapienza University Rome | ||
10:30 20mResearch paper | AST-Probe: Recovering abstract syntax trees from hidden representations of pre-trained language models Research Papers José Antonio Hernández López Department of Computer Science and Systems, University of Murcia, Martin Weyssow DIRO, Université de Montréal, Jesús Sánchez Cuadrado , Houari Sahraoui Université de Montréal Link to publication Pre-print | ||
10:50 10mPaper | Towards Gradual Multiparty Session TypingVirtual Late Breaking Results Sung-Shik Jongmans Open University of the Netherlands; CWI | ||
11:00 20mResearch paper | Static Type Recommendation for PythonVirtual Research Papers Ke Sun Peking University, Yifan Zhao Peking University, Dan Hao Peking University, Lu Zhang Peking University | ||
11:20 20mResearch paper | Prompt-tuned Code Language Model as a Neural Knowledge Base for Type Inference in Statically-Typed Partial CodeVirtual Research Papers Qing Huang School of Computer Information Engineering, Jiangxi Normal University, Zhiqiang Yuan School of Computer Information Engineering, Jiangxi Normal University, Zhenchang Xing Australian National University, Xiwei (Sherry) Xu CSIRO Data61, Liming Zhu CSIRO’s Data61; UNSW, Qinghua Lu CSIRO’s Data61 | ||
11:40 20mResearch paper | Jasmine: A Static Analysis Framework for Spring Core TechnologiesVirtual Research Papers Miao Chen Beijing University of Posts and Telecommunications, Tengfei Tu Beijing University of Posts and Telecommunications, Hua Zhang Beijing University of Posts and Telecommunications, Qiaoyan Wen Beijing University of Posts and Telecommunications, Weihang Wang University of Southern California | ||