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better cache entry algo

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This commit is contained in:
van Hauser
2020-10-23 15:21:21 +02:00
parent 0e748ccda7
commit aa0d378520
3 changed files with 52 additions and 33 deletions
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18
src/afl-fuzz-queue.c
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@ -985,6 +985,24 @@ inline u8 *queue_testcase_get(afl_state_t *afl, struct queue_entry *q) {
/* Cache full. We neet to evict one or more to map one.
Get a random one which is not in use */
if (unlikely(afl->q_testcase_cache_size + len >= afl->q_testcase_max_cache_size &&
(afl->q_testcase_cache_count < afl->q_testcase_max_cache_entries &&
afl->q_testcase_max_cache_count <
afl->q_testcase_max_cache_entries))) {
if (afl->q_testcase_max_cache_count > afl->q_testcase_cache_count) {
afl->q_testcase_max_cache_entries =
afl->q_testcase_max_cache_count + 1;
} else {
afl->q_testcase_max_cache_entries = afl->q_testcase_cache_count + 1;
}
}
do {
// if the cache (MB) is not enough for the queue then this gets