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added SO link about rand for clarification

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Dominik Maier
2020-08-31 12:11:38 +02:00
parent 33e58c1d4e
commit 92b1f9cf36
1 changed files with 3 additions and 1 deletions
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4
include/afl-fuzz.h
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@ -1027,7 +1027,9 @@ static inline u32 rand_below(afl_state_t *afl, u32 limit) {
}
/* Modulo is biased - we don't want our fuzzing to be biased so let's do it right. */
/* Modulo is biased - we don't want our fuzzing to be biased so let's do it right, see
https://stackoverflow.com/questions/10984974/why-do-people-say-there-is-modulo-bias-when-using-a-random-number-generator
*/
u64 unbiased_rnd;
do {
unbiased_rnd = rand_next(afl);