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| author | van Hauser <vh@thc.org> | 2020-09-29 15:02:57 +0200 |
|---|---|---|
| committer | van Hauser <vh@thc.org> | 2020-09-29 15:02:57 +0200 |
| commit | 383cd487a2c28012c80341f8517e473120af4d19 (patch) | |
| tree | 64e2367e898abe6855796303e95689cf2f3cd57c /src/afl-fuzz-bitmap.c | |
| parent | fe08482c1b2269289bfedea9f0ef2b6721d18221 (diff) | |
| download | afl++-383cd487a2c28012c80341f8517e473120af4d19.tar.gz | |
small improvements to Marcel's patch, fix laf-intel + redqueen crashes
Diffstat (limited to 'src/afl-fuzz-bitmap.c')
| -rw-r--r-- | src/afl-fuzz-bitmap.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/afl-fuzz-bitmap.c b/src/afl-fuzz-bitmap.c index 64de86a2..a22223b9 100644 --- a/src/afl-fuzz-bitmap.c +++ b/src/afl-fuzz-bitmap.c @@ -556,8 +556,8 @@ save_if_interesting(afl_state_t *afl, void *mem, u32 len, u8 fault) { cksum = hash64(afl->fsrv.trace_bits, afl->fsrv.map_size, HASH_CONST); /* Saturated increment */ - if (afl->n_fuzz[cksum % n_fuzz_size] < 0xFFFFFFFF) - afl->n_fuzz[cksum % n_fuzz_size]++; + if (afl->n_fuzz[cksum % N_FUZZ_SIZE] < 0xFFFFFFFF) + afl->n_fuzz[cksum % N_FUZZ_SIZE]++; } @@ -597,10 +597,15 @@ save_if_interesting(afl_state_t *afl, void *mem, u32 len, u8 fault) { if (cksum) afl->queue_top->exec_cksum = cksum; else - afl->queue_top->exec_cksum = + cksum = afl->queue_top->exec_cksum = hash64(afl->fsrv.trace_bits, afl->fsrv.map_size, HASH_CONST); - afl->n_fuzz[cksum % n_fuzz_size] = 1; + if (afl->schedule >= FAST && afl->schedule <= RARE) { + + afl->queue_top->n_fuzz_entry = cksum % N_FUZZ_SIZE; + afl->n_fuzz[afl->queue_top->n_fuzz_entry] = 1; + + } /* Try to calibrate inline; this also calls update_bitmap_score() when successful. */ |