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Port random fuzzing parameters to AFLplusplus #1

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Port random fuzzing parameters to AFLplusplus #1

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4f1f4e3
port random fuzzing parameters into afl++
jiradeto Aug 26, 2021
b960042
adjust default parameter
jiradeto Sep 18, 2021
0a2111b
initialize fuzzing params
jiradeto Sep 23, 2021
3d9cf95
initialize fuzzing params using function
jiradeto Sep 23, 2021
7eb9fb0
remove struct that stores potential favored inputs
jiradeto Oct 1, 2021
2910361
skip mini map elimination
jiradeto Oct 1, 2021
65ce02b
fix typo
jiradeto Oct 4, 2021
986d6b5
address PR feedbacks
jiradeto Oct 4, 2021
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11 changes: 11 additions & 0 deletions src/afl-fuzz.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1352,6 +1352,17 @@ int main(int argc, char **argv_orig, char **envp) {
if (getenv("AFL_DISABLE_FAVS")) afl->disable_afl_default_favorites = 1;
if (getenv("AFL_DISABLE_RP")) afl->disable_randomized_fuzzing_params = 1;

// initialize with default values if we don't want to radomize ruzzing params
if (afl->disable_randomized_fuzzing_params) {
afl->custom_havoc_cycles = HAVOC_CYCLES;
afl->custom_havoc_stack_pow2 = HAVOC_STACK_POW2;
afl->custom_havoc_blk_small = HAVOC_BLK_SMALL;
afl->custom_havok_blk_medium = HAVOC_BLK_MEDIUM;
afl->custom_havoc_blk_large = HAVOC_BLK_LARGE;
afl->custom_splice_cycles = SPLICE_CYCLES;
afl->custom_splice_havoc = SPLICE_HAVOC;
}

if (getenv("AFL_RP_PROB")) {
afl->randomize_parameters_prob = strtoul(getenv("AFL_RP_PROB"), 0L, 10);
}
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