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• W3081700944 abstract "When a security vulnerability or other critical bug is not detected by the developers’ test suite, and is discovered post-deployment, developers must quickly devise a new test that reproduces the buggy behavior. Then the developers need to test whether their candidate patch indeed fixes the bug, without breaking other functionality, while racing to deploy before attackers pounce on exposed user installations. This can be challenging when factors in a specific user environment triggered the bug. If enabled, however, record-replay technology faithfully replays the execution in the developer environment as if the program were executing in that user environment under the same conditions as the bug manifested. This includes intermediate program states dependent on system calls, memory layout, etc. as well as any externally-visible behavior. Many modern record-replay tools integrate interactive debuggers, to help locate the root cause, but don’t help the developers test whether their patch indeed eliminates the bug under those same conditions. In particular, modern record-replay tools that reproduce intermediate program state cannot replay recordings made with one version of a program using a different version of the program where the differences affect program state. This work builds on record-replay and binary rewriting to automatically generate and run targeted tests for candidate patches significantly faster and more efficiently than traditional test suite generation techniques like symbolic execution. These tests reflect the arbitrary (ad hoc) user and system circumstances that uncovered the bug, enabling developers to check whether a patch indeed fixes that bug. The tests essentially replay recordings made with one version of a program using a different version of the program, even when the the differences impact program state, by manipulating both the binary executable and the recorded log to result in an execution consistent with what would have happened had the the patched version executed in the user environment under the same conditions where the bug manifested with the original version. Our approach also enables users to make new recordings of their own workloads with the original version of the program, and automatically generate and run the corresponding ad hoc tests on the patched version, to validate that the patch does not break functionality they rely on." @default.
• W3081700944 created "2020-09-08" @default.
• W3081700944 creator A5018210315 @default.
• W3081700944 creator A5053819480 @default.
• W3081700944 creator A5090171418 @default.
• W3081700944 date "2020-09-01" @default.
• W3081700944 modified "2023-09-24" @default.
• W3081700944 title "Ad hoc Test Generation Through Binary Rewriting" @default.
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• W3081700944 doi "https://doi.org/10.1109/scam51674.2020.00018" @default.
• W3081700944 hasPublicationYear "2020" @default.
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