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expand havoc if not new findings in the last 5 seconds

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Andrea Fioraldi
2020-10-28 14:32:53 +01:00
parent 5ee63a6e62
commit fe705bb956
1 changed files with 9 additions and 3 deletions
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12
src/afl-fuzz-one.c
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@ -1884,16 +1884,22 @@ havoc_stage:
u32 r_max, r; u32 r_max, r;
r_max = 15 + ((afl->extras_cnt + afl->a_extras_cnt) ? 2 : 0);
if (unlikely(afl->expand_havoc)) { if (unlikely(afl->expand_havoc)) {
/* add expensive havoc cases here, they are activated after a full /* add expensive havoc cases here, they are activated after a full
cycle without finds happened */ cycle without finds happened */
r_max = 16 + ((afl->extras_cnt + afl->a_extras_cnt) ? 2 : 0); r_max += 1;
} else { }
if (unlikely(get_cur_time() - afl->last_path_time > 5000)) {
r_max = 15 + ((afl->extras_cnt + afl->a_extras_cnt) ? 2 : 0); /* add expensive havoc cases here if there is no findings in the last 5s */
r_max += 1;
} }