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Feedback of libFuzzer
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Classroom Contents
Exploring Deficiencies in Automatic Vuln Mining Technology
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- 1 Intro
- 2 Target
- 3 Current Reality
- 4 Feedback-driven Genetic Algorithm
- 5 Core of GA
- 6 Symbolic Execution manager contexts
- 7 Block libFuzzer and AFL
- 8 Block OSYM and KLEE
- 9 Stutter Fuzzers
- 10 Inapproximable Constraint ibFuzzer and AFL have their own methods to deal with condition statement
- 11 Feedback of libFuzzer
- 12 Distance Algorithm of libFuzzer
- 13 Massive Bug-free Paths
- 14 Discovery 1. Coverage is losing its effectiveness. 2. Selecting path is better than traversing. 3. Constraint solver is necessary.
- 15 Sufficient and necessary constraints
- 16 Variable Constraint Back Propagation Replace Symbol Expr with New Expr
- 17 Transformation of constraint expressions
- 18 Back Propagation on LLVM bitcode
- 19 Imitate manual code review 1. Make assumptions and initial constraints
