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Learn about SymBisect, an innovative approach to accurately bisecting fuzzer-exposed Linux kernel vulnerabilities in this 30-minute conference talk from the Linux Foundation. Discover how continuous fuzzing integration has dramatically increased bug reporting in open-source software, particularly the Linux kernel, creating challenges for developers and maintainers in managing the volume of reported issues. Explore the limitations of existing automated bug bisection solutions, which often fail by directly running proof-of-concept code on older software versions without adapting to changes in bug-triggering conditions or require patches that may not be available at discovery time. Understand how SymBisect takes a fundamentally different approach by searching for evidence of vulnerabilities through underlying bug logic rather than relying on traditional methods, enabling more precise and accurate bug bisection. Gain insights into how this methodology can help determine the range of affected software versions, assist with bug prioritization, and streamline the patching process for Linux kernel vulnerabilities discovered through fuzzing campaigns.
