Pdf software testing using software fault injection researchgate. Methods for testing fault tolerant systems fault injection. When it comes to software encoding countermeasures for fault protection. This technique is based on simulations or experiments result, thus it may be more valid or closer to reality compared to statistical methods.
Bns provide a favorable formalism in which to model the propagation of faults across av system components with an interpretable model. Fault injection in software engineering geeksforgeeks. Fault injection techniques engineers use fault injection to test fault tolerant systems or components. At the time we were doing tons of work on software fault injection, including studies of webbased software. Improving software fault injection department of computer. Fault injection the deliberate insertion of faults into an operational system to determine its response offers an effective solution to validate the dependability of fault tolerant computer and software systems 5. On fault representativeness of software fault injection ieee xplore. Wiersma and pareja 4 proved the e ectiveness of this technique to attack asild automotive microcontrollers in semicontrolled environments. Items a, b, and c are integrated into a bayesian network bn. A userinterface, shownin figure2, supportseditingpro. Using a new contextsensitive fault injection technique, we are able to effectively fuzztest errorhandling code that is largely missed by current fuzzing. The tool can be used during system integration and system testing phases of any software development lifecycle, complementing other testing tools as well.
The key problem with pdf s, word documents etc is that the current standards allow macros and executable code. Hardware software flexibility expansion ability to control timing delay, races distributed environment less risk no damage standard environment mechanism based on software probes works across layers. Survey on fault tolerance and residual software fault of. Compiletime injection is a technique in which testers change the source code to simulate faults in the software system. Many methods and techniques have been proposed in the literature so far to evaluate and test both software faults e. To demonstrate the proposed fault injection method, we extended the cpatrol system to support three major tasks. Vulnerability testing of software system using fault injection. The wdftester tool provides a wmi interface to configure ddi fault injection for a specific driver. In software testing, fault injection is a technique for improving.
It is based on a fault simulation technique known as software implemented fault. Pdf a survey on fault injection techniques semantic scholar. Exhaustif is a commercial software tool used for grey box testing based on software fault injection swifi to improve reliability of software intensive systems. Cpu design today will also typically employ frequency or voltage scaling based on workload as a power saving metric say, if the cpu is idle. In my opinion this is a fatal flaw, but then i like emails to be text only. An experimental comparison of fault and error injection. Fault injection is a testing technique used in computer systems to test both hardware and software. Balasubramanian anna university, chennai abstract this paper aims to study the fault injection involving the deliberate insertion of. Runtime injections it makes use of software trigger to inject a fault into a software system during run time. This paper presents an experimental study on the emulation of software faults by fault injection. Pdf on fault representativeness of software fault injection. Bitbandit is a fault injection tool suite for the powerpc 405 on the xilinx virtex4 fx60 fpga.
Abstract fault injection is used to characterize the failure to validate and compare the fault tolerant mechanisms. Fi attacks can be used to alter the intended behavior of software and hardware of embedded devices. Using fault injection to increase software test coverage. Fault injection and monitoring capability for a fault.
Chapter 7 contains a description of the implemented swifi tool prototype. Is requirementbased testing a better and safer way to ensure high quality software. Hardwarebased fault injection requires specialized equipment e. The thesis analyses the autosar standard in order to identify mechanisms, which can be used at runtime in order to inject faults. Fault injection is often in stress testing and it is considered as an important part of developing robust software. To solve this problem, some approaches 11,18,67 analyze program information to guide fault injection, which can achieve higher code coverage and detect more bugs. Fault injection testing in software can be performed using either compiletime or runtime injections. Software fault injection for software certification.
The injection of software faults in software components to assess the impact of these faults on other components or on the system as a whole, allowing the evaluation of fault tolerance, is. Bytecode fault injection for java software sciencedirect. Comparison of physical and softwareimplemented fault. A run time visual interface to help monitor the execution of instrumented programs. An rtosbased fault injection simulator for embedded processors nejmeddine alimi. New directions in modeling, design, and mitigation bilgiday yuce abstract this research investigates an important class of hardware attacks against embedded software, which uses fault injection as a hacking tool.
Software fault injection sfi is an acknowledged method for assessing the dependability of software systems. Fault injection techniques and tools electrical and computer. Assessing dependability with software fault injection. Most fi research focuses on breaking the implementation of cryptographic algorithms. Fault injectionthe deliberate insertion of faults into an operational system to determine its response offers an effective solution to validate the dependability of faulttolerant computer and software systems 5. Finally, there are software fault models where the fault is caused by a program mer making a mistake while writing program code. Fault injection is important to evaluating the dependability of computer systems. Is fault injection testing a subset of requirements based testing, and does it deliver the desirable.
Software fault injection and its relationship to software. Experiences with canoebased fault injection for autosar. This masters thesis describes the design and implementation of a software implemented fault injection tool, which can be used to perform robustness testing on application software components in embedded systems based on the autosar standard architecture. To do prototypebased fault injection, faults are injected either at the hardware level logical or elec trical faults or at the software level code or data corruption. Nov 05, 20 described in this presentation is the design and implementation of a software implemented fault injection tool, which can be used to perform robustness testing on application software components in embedded systems based on the autosar standard architecture. These studies showed that some fault injection techni. The fault injection intel fpga ip core injects errors into the configuration ram cram of an fpga device. Fault injection in software engineering fault injection is a technique for enhancing the testing quality by involving the intentional faults in the software. Therefore, fault injection techniques have been devised to artificially inject faults and. Runtime soft error injection and testing of a microprocessor using.
Is fault injection testing a subset of requirements based testing, and does it deliver the desirable outcome. The course covers both the fundamental and advanced concepts of dependability, including replication, atomic multicast, group communication, consistency, checkpointing, transaction processing and fault injection, along with industrial standards and realworld practices for achieving high availability and fault tolerance. Application of three physical fault injection techniques to the experimental assessment of the mars architecture. Comparison of physical and softwareimplemented fault injection. Implementing assertion violation fault in jection to demonstrate the proposed fault injection method, we extendedthecpatrolassertioninsertionsystem18 tosupport fault injection and built a visual x window system interface.
Swifi can be either used at compiletime or at runtime. An open and versatile faultinjection framework for the. Survey on fault tolerance and residual software fault of the system by using fault. Results show that a significant share up to 72 percent of injected faults cannot be considered representative of residual software faults as they are consistently. Software fault injection sfi is an acknowledged method for assessing the. Rsacrt, for example, only needs a single fault in its algorithm for the private key to be compromised. Fault injection techniques can be used to methodically assess the degree of fault tolerance afforded by a system. Fault injection using such fault models is also known as software mutation testing. They will also make this ability software visible, as its quite handy for general uses as a whole. Fault injection testing of safetycritical applications. It is the deliberate introduction of faults into a system, and the subsequent examination of the system for the errors and failures that result. The course covers both the fundamental and advanced concepts of dependability, including replication, atomic multicast, group communication, consistency, checkpointing, transaction processing and fault injection, along with industrial standards and realworld practices for achieving high availability and fault.
Software survivability and reliability both have to do with software performance under various conditions. In a first experiment, a set of real software faults has been compared with faults injected by a swifi tool xception to evaluate the accuracy of the. Software implemented fault injection for autosar based. Compiletime injections it is a fault injection technique where source code is modified to. Software fault injection sfi 52 is a classical and widelyused technique of runtime testing. Introduction to software fault injection request pdf. For example, if you ar e inter ested in stuckat faults faults that for ce a per manent value onto a point in a cir cuit. Bitbandit enables users to emulate faults in the processors general purpose registers, special purpose registers, instruction cache and data cache. Investigating silent failures using fault injection experiments2.
The main features of the four fault injection techniques considered are then briefly described and the. Cpatrol cpatrolisa codeinsertiontoolthatcanassist developers in the placement of software probes that are used. With the rise of software complexity, software related accidents represent a significant threat for computerbased systems. Enabling fault injection windows drivers microsoft docs.
Analysis of defect issues fault injection in software business application development dr. Choosing between hardware and software fault injection depends on the type of faults you are interested in and the effort required to create them. Hack in the box security conference recommended for you. An rtosbased fault injection simulator for embedded. Software fault injection consists of the deliberate introduction of software faults for assessing the impact of faulty software on a system and improving its fault. Efficient faultinjectionbased assessment of software. Software fault injection is a method to anticipate worstcase scenarios caused by faulty software through the deliberate injection of software faults. Fault injection is a software testing technique by introducing faults into the code for improving the coverage and usually used with stress testing for robustness of the developed software. An open and versatile faultinjection framework for.
It is that macro execution stage that is usually the target for attack, as it provides a way to run code. Content management system cms task management project portfolio management time tracking pdf. Researchers and engineers have created many novel methods to inject faults, which can be implemented in both hardware and software. Fuzzing error handling code using contextsensitive software. Even temporarily create the defects that will cause those failures to happen. How many fault injection tests are really necessary to ensure a safe application execution.
In this section, the electromagnetic injection bench and the circuit under attack are described. Compiletime injections it is a fault injection technique where source code is modified to inject simulated faults into a system. What is the difference between fault seeding and fault injection. Pdf fault injection for software certification researchgate. Due to the upward trend in pricing in the software exploit market 8 and the increased hardening of security in consumer devices, there has been a rise in popularity of injecting faults to gain control of a device.
Faultinjection plays an important role in the dependability analysis of such systems highly recommended by upcoming iso 26262 standard hardwarebased fault injection requires specialized equipment e. Injecting software vulnerabilities with voltage glitching. Fault injection and monitoring capability for a fault tolerant distributed computation system wilfredo torrespomales, amy m. Software based fault injection framework for storage systems. Software implemented fault injection for autosar based systems 3 chapter 6 contains the results from the analysis on which fault injection techniques are suitable to use in order to inject faults into autosar based systems. Testing safetycritical systems using fault injection.
For microprocessor based systems, reliability includes both software and hardware reliability. Software fault injection is a form of dynamic software testing that allows developers and testers to observe how the software will behave under a variety of anomalous conditions. Software fault injection for software certification roberto natella critiware s. However, this papers contribution is in showing that fi attacks are.
Survey on fault tolerance and residual software fault of the. Developers using third party software components need to test them to satisfy quality requirements. Glitching, or fault injection, has been used for over a decade 1 to attack software running on secure execution environments. An overview of existing tools for faultinjection and. A systematic and quantitative approach is using fault injection to guide the design and implementation of fault tolerance systems. Injection of transient faults using electromagnetic pulses practical results on a cryptographic system a. Fault injection is a testing technique which aids in understanding how virtualreal system behaves when stressed in unusual ways. Using simulation, fault injection and propertybased testing to. On fault representativeness of software fault injection. Software implemented fault injection for autosar based systems. Injection of transient faults using electromagnetic pulses.
Fide is a software based fault injector designed to validate fault tolerant mechanisms and techniques used by applications. Hardware fault injection tests both hardware and software physically cause faults heavyion radiation pin level injection emi focused on hardware testing johan karlsson, et al. On par with development of attacks, the area of countermeasures is advancing rapidly, utilizing both hardware and software based approaches. For example, an attacker can use a fault injection attack to bypass the key veri cation step on the uds authentication process detailed in figure 1. This paper presents a survey on fault injection techniques with comparison of the different injection techniques and an overview on the different tools. Fuzzing error handling code using contextsensitive. Thus, it plays a key role in the design of robust circuits. Escalating privileges in linux using voltage fault injection. Challenges and opportunities with fault injection in.
They can be grouped into hardwarebased fault injection, software based fault injection, simulationbased fault injection, emulationbased fault injection and hybrid fault injection. Fault injection involves introducing errors on the fly in order to perturb the normal flow of a program either with the purpose of extending test coverage or stress testing the system. Fault injection tests fault detection, fault isolation, and reconfiguration and recovery capabilities. Feb 28, 2011 we built a system called fist fault injection security tool, and published a number of papers about the system, including one titled an automated approach for identifying potential vulnerabilities in software.
Fault injection or requirements based testing in iso 26262. In the past, researchers have proposed fault injection testing approaches in which the component state is perturbed and the resulting effects on the rest of the system are observed. The contributions of this dissertation focus on fault injection fi as an assessment. Pdf on may 27, 2004, saher manaseer and others published software testing using software fault injection find, read and cite all the.
Many new bugs were found in welltested programs like openssl. In this thesis, we introduce a javabased, semiautomatic fault injection test harness, called software fault injection mechanized prototype lightweight engine simple. Hardware fault injection is the widely accepted approach to evaluate the behavior of a circuit in the presence of faults. Software fault injection and its relationship to software testing.
Include fault injection attacks in your threat model design and implement fault injection resistant hardware start from an early design test, testand test again. Implement fault injection resistant software make critical assets inaccessible to software e. Pdf on the emulation of software faults by software. That alone is nothing new many software development organizations invest much more in testing than in process improvement. Sfi intentionally injects faults or errors into the code of the tested program, and then executes the program to test whether it can correctly handle the injected faults or errors during execution. Fault injection environment figure 1 shows a fault injection envir onment, which typically consists of the tar get system plus a fault injec. Runtime injections it makes use of software trigger to inject a fault into a software.
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