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Documents authored by Xie, Tao

Document
DOI: 10.4230/LIPIcs.ECOOP.2025.6
Detecting Functionality-Specific Vulnerabilities via Retrieving Individual Functionality-Equivalent APIs in Open-Source Repositories

Authors: Tianyu Chen, Zeyu Wang, Lin Li, Ding Li, Zongyang Li, Xiaoning Chang, Pan Bian, Guangtai Liang, Qianxiang Wang, and Tao Xie

Published in: LIPIcs, Volume 333, 39th European Conference on Object-Oriented Programming (ECOOP 2025)

Abstract
Functionality-specific vulnerabilities, which mainly occur in Application Programming Interfaces (APIs) with specific functionalities, are crucial for software developers to detect and avoid. When detecting individual functionality-specific vulnerabilities, the existing two categories of approaches are ineffective because they consider only the API bodies and are unable to handle diverse implementations of functionality-equivalent APIs. To effectively detect functionality-specific vulnerabilities, we propose APISS, the first approach to utilize API doc strings and signatures instead of API bodies. APISS first retrieves functionality-equivalent APIs for APIs with existing vulnerabilities and then migrates Proof-of-Concepts (PoCs) of the existing vulnerabilities for newly detected vulnerable APIs. To retrieve functionality-equivalent APIs, we leverage a Large Language Model for API embedding to improve the accuracy and address the effectiveness and scalability issues suffered by the existing approaches. To migrate PoCs of the existing vulnerabilities for newly detected vulnerable APIs, we design a semi-automatic schema to substantially reduce manual costs. We conduct a comprehensive evaluation to empirically compare APISS with four state-of-the-art approaches of detecting vulnerabilities and two state-of-the-art approaches of retrieving functionality-equivalent APIs. The evaluation subjects include 180 widely used Java repositories using 10 existing vulnerabilities, along with their PoCs. The results show that APISS effectively retrieves functionality-equivalent APIs, achieving a Top-1 Accuracy of 0.81 while the best of the baselines under comparison achieves only 0.55. APISS is highly efficient: the manual costs are within 10 minutes per vulnerability and the end-to-end runtime overhead of testing one candidate API is less than 2 hours. APISS detects 179 new vulnerabilities and receives 60 new CVE IDs, bringing high value to security practice.
Cite as

Tianyu Chen, Zeyu Wang, Lin Li, Ding Li, Zongyang Li, Xiaoning Chang, Pan Bian, Guangtai Liang, Qianxiang Wang, and Tao Xie. Detecting Functionality-Specific Vulnerabilities via Retrieving Individual Functionality-Equivalent APIs in Open-Source Repositories. In 39th European Conference on Object-Oriented Programming (ECOOP 2025). Leibniz International Proceedings in Informatics (LIPIcs), Volume 333, pp. 6:1-6:27, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2025)

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@InProceedings{chen_et_al:LIPIcs.ECOOP.2025.6,
  author =	{Chen, Tianyu and Wang, Zeyu and Li, Lin and Li, Ding and Li, Zongyang and Chang, Xiaoning and Bian, Pan and Liang, Guangtai and Wang, Qianxiang and Xie, Tao},
  title =	{{Detecting Functionality-Specific Vulnerabilities via Retrieving Individual Functionality-Equivalent APIs in Open-Source Repositories}},
  booktitle =	{39th European Conference on Object-Oriented Programming (ECOOP 2025)},
  pages =	{6:1--6:27},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-373-7},
  ISSN =	{1868-8969},
  year =	{2025},
  volume =	{333},
  editor =	{Aldrich, Jonathan and Silva, Alexandra},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ECOOP.2025.6},
  URN =		{urn:nbn:de:0030-drops-232999},
  doi =		{10.4230/LIPIcs.ECOOP.2025.6},
  annote =	{Keywords: Application Security, Vulnerability Detection, Large Language Model}
}
Document
DOI: 10.4230/LIPIcs.ECOOP.2018.5
A Characteristic Study of Parameterized Unit Tests in .NET Open Source Projects

Authors: Wing Lam, Siwakorn Srisakaokul, Blake Bassett, Peyman Mahdian, Tao Xie, Pratap Lakshman, and Jonathan de Halleux

Published in: LIPIcs, Volume 109, 32nd European Conference on Object-Oriented Programming (ECOOP 2018)

Abstract
In the past decade, parameterized unit testing has emerged as a promising method to specify program behaviors under test in the form of unit tests. Developers can write parameterized unit tests (PUTs), unit-test methods with parameters, in contrast to conventional unit tests, without parameters. The use of PUTs can enable powerful test generation tools such as Pex to have strong test oracles to check against, beyond just uncaught runtime exceptions. In addition, PUTs have been popularly supported by various unit testing frameworks for .NET and the JUnit framework for Java. However, there exists no study to offer insights on how PUTs are written by developers in either proprietary or open source development practices, posing barriers for various stakeholders to bring PUTs to widely adopted practices in software industry. To fill this gap, we first present categorization results of the Microsoft MSDN Pex Forum posts (contributed primarily by industrial practitioners) related to PUTs. We then use the categorization results to guide the design of the first characteristic study of PUTs in .NET open source projects. We study hundreds of PUTs that open source developers wrote for these open source projects. Our study findings provide valuable insights for various stakeholders such as current or prospective PUT writers (e.g., developers), PUT framework designers, test-generation tool vendors, testing researchers, and testing educators.
Cite as

Wing Lam, Siwakorn Srisakaokul, Blake Bassett, Peyman Mahdian, Tao Xie, Pratap Lakshman, and Jonathan de Halleux. A Characteristic Study of Parameterized Unit Tests in .NET Open Source Projects. In 32nd European Conference on Object-Oriented Programming (ECOOP 2018). Leibniz International Proceedings in Informatics (LIPIcs), Volume 109, pp. 5:1-5:27, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2018)

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@InProceedings{lam_et_al:LIPIcs.ECOOP.2018.5,
  author =	{Lam, Wing and Srisakaokul, Siwakorn and Bassett, Blake and Mahdian, Peyman and Xie, Tao and Lakshman, Pratap and de Halleux, Jonathan},
  title =	{{A Characteristic Study of Parameterized Unit Tests in .NET Open Source Projects}},
  booktitle =	{32nd European Conference on Object-Oriented Programming (ECOOP 2018)},
  pages =	{5:1--5:27},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-079-8},
  ISSN =	{1868-8969},
  year =	{2018},
  volume =	{109},
  editor =	{Millstein, Todd},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ECOOP.2018.5},
  URN =		{urn:nbn:de:0030-drops-92105},
  doi =		{10.4230/LIPIcs.ECOOP.2018.5},
  annote =	{Keywords: Parameterized unit testing, automated test generation, unit testing}
}
Document
DOI: 10.4230/DagSemProc.10111.1
10111 Abstracts Collection – Practical Software Testing : Tool Automation and Human Factors

Authors: Mark Harman, Henry Muccini, Wolfram Schulte, and Tao Xie

Published in: Dagstuhl Seminar Proceedings, Volume 10111, Practical Software Testing : Tool Automation and Human Factors (2010)

Abstract
From March 14, 2010 to March 19, 2010, the Dagstuhl Seminar 10111 ``Practical Software Testing : Tool Automation and Human Factors'' was held in Schloss Dagstuhl~--~Leibniz Center for Informatics. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
Cite as

Mark Harman, Henry Muccini, Wolfram Schulte, and Tao Xie. 10111 Abstracts Collection – Practical Software Testing : Tool Automation and Human Factors. In Practical Software Testing : Tool Automation and Human Factors. Dagstuhl Seminar Proceedings, Volume 10111, pp. 1-11, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)

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@InProceedings{harman_et_al:DagSemProc.10111.1,
  author =	{Harman, Mark and Muccini, Henry and Schulte, Wolfram and Xie, Tao},
  title =	{{10111 Abstracts Collection – Practical Software Testing : Tool Automation and Human Factors}},
  booktitle =	{Practical Software Testing : Tool Automation and Human Factors},
  pages =	{1--11},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2010},
  volume =	{10111},
  editor =	{Mark Harman and Henry Muccini and Wolfram Schulte and Tao Xie},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.10111.1},
  URN =		{urn:nbn:de:0030-drops-26267},
  doi =		{10.4230/DagSemProc.10111.1},
  annote =	{Keywords: Software testing, Test generation, Test automation, Test oracles, Testing tools, Human-computer interaction, Code-based testing, Specification-based testing}
}
Document
DOI: 10.4230/DagSemProc.10111.2
10111 Executive Summary – Practical Software Testing: Tool Automation and Human Factors

Authors: Mark Harman, Henry Muccini, Wolfram Schulte, and Tao Xie

Published in: Dagstuhl Seminar Proceedings, Volume 10111, Practical Software Testing : Tool Automation and Human Factors (2010)

Abstract
The main goal of the seminar ``Practical Software Testing: Tool Automation and Human Factors'' was to bring together academics working on algorithms, methods, and techniques for practical software testing, with practitioners, interested in developing more soundly-based and well-understood testing processes and practices. The seminar's purpose was to make researchers aware of industry's problems, and practitioners aware of research approaches. The seminar focused in particular on testing automation and human factors. In the week of March 14-19, 2010, 40 researchers from 11 countries (Canada, France, Germany, Italy, Luxembourg, the Netherlands, Sweden, Switzerland, South Africa, United Kingdom, United States) discussed their recent work, and recent and future trends in software testing. The seminar consisted of five main types of presentations or activities: topic-oriented presentations, research-oriented presentations, short self-introduction presentations, tool demos, and working group meetings and presentations.
Cite as

Mark Harman, Henry Muccini, Wolfram Schulte, and Tao Xie. 10111 Executive Summary – Practical Software Testing: Tool Automation and Human Factors. In Practical Software Testing : Tool Automation and Human Factors. Dagstuhl Seminar Proceedings, Volume 10111, pp. 1-5, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)

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@InProceedings{harman_et_al:DagSemProc.10111.2,
  author =	{Harman, Mark and Muccini, Henry and Schulte, Wolfram and Xie, Tao},
  title =	{{10111 Executive Summary – Practical Software Testing: Tool Automation and Human Factors}},
  booktitle =	{Practical Software Testing : Tool Automation and Human Factors},
  pages =	{1--5},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2010},
  volume =	{10111},
  editor =	{Mark Harman and Henry Muccini and Wolfram Schulte and Tao Xie},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.10111.2},
  URN =		{urn:nbn:de:0030-drops-26234},
  doi =		{10.4230/DagSemProc.10111.2},
  annote =	{Keywords: Software testing, Test generation, Test automation, Test oracles, Testing tools, Humancomputer interaction, Code-based testing, Specification-based te}
}
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