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Techniques for Identifying Elusive Corner-Case Bugs in Systems Software

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To Infinity, and Beyond (Coverage)

Ahmad Hazimeh

The pursuit of software security and reliability hinges on the identification and elimination of software vulnerabilities, a challenge compounded by the vast and evolving complexity of modern systems. Fuzzing has emerged as an indispensable technique for b ...

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Seed Selection for Successful Fuzzing

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Mutation-based greybox fuzzing-unquestionably the most widely-used fuzzing technique-relies on a set of non-crashing seed inputs (a corpus) to bootstrap the bug-finding process. When evaluating a fuzzer, common approaches for constructing this corpus inclu ...

ASSOC COMPUTING MACHINERY2021

Wannier90 as a community code: new features and applications

Nicola Marzari, Giovanni Pizzi, Marco Gibertini, Antimo Marrazzo, Hyungjun Lee, Junfeng Qiao, Samuel Poncé, Lorenzo Paulatto, Daniel John Gilles Marchand

Wannier90 is an open-source computer program for calculating maximally-localised Wannier functions (MLWFs) from a set of Bloch states. It is interfaced to many widely used electronic-structure codes thanks to its independence from the basis sets representi ...

2020

Development of a hyperspectral camera

Arnaud Latty

The audiovisual communications laboratory (lcav.epfl.ch) is looking for students for the development of an interferential hyperspectral camera, as part of a semester project. It involves building, testing and improving, in collaboration with the scientific ...

2018

Bidirectional transformation between BIP and SysML for visualisation and editing

Leandro Kieliger, Clément Jean Maurice Nussbaumer

When it comes to designing software, the classic procedure consists of writing code that complies with the projects requirements first, and then to extensively test for bugs and defects. Although this approach is valid and can produce correct results, it i ...

2017

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Jonas Benedict Wagner

Performance and reliability are important yet conflicting properties of systems software. Software today often crashes, has security vulnerabilities and data loss, while many techniques that could address such issues remain unused due to performance concer ...

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Improving systems software security through program analysis and instrumentation

Volodymyr Kuznetsov

Security and reliability bugs are prevalent in systems software. Systems code is often written in low-level languages like C/C++, which offer many benefits but also delegate memory management and type safety to programmers. This invites bugs that cause cra ...

EPFL2016

Improving Scalability of Symbolic Execution for Software with Complex Environment Interfaces

Stefan Bucur

Manual software testing is laborious and prone to human error. Yet, among practitioners, it is the most popular method for quality assurance. Automating the test case generation promises better effectiveness, especially for exposing corner-case bugs. Symbo ...

EPFL2015

PBCOV: a property-based coverage criterion

Hamza Harkous, Kassem Fawaz

Coverage criteria aim at satisfying test requirements and compute metrics values that quantify the adequacy of test suites at revealing defects in programs. Typically, a test requirement is a structural program element, and the coverage metric value repres ...

Springer2015

Finding Trojan Message Vulnerabilities in Distributed Systems

Rachid Guerraoui, George Candea, Radu Banabic

Trojan messages are messages that seem correct to the receiver but cannot be generated by any correct sender. Such messages constitute major vulnerability points of a distributed system---they constitute ideal targets for a malicious actor and facilitate f ...

ACM2014