diff options
| -rw-r--r-- | src/afl-fuzz-bitmap.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/afl-fuzz-bitmap.c b/src/afl-fuzz-bitmap.c index c65dd641..fe90faf0 100644 --- a/src/afl-fuzz-bitmap.c +++ b/src/afl-fuzz-bitmap.c @@ -575,8 +575,12 @@ save_if_interesting(afl_state_t *afl, void *mem, u32 len, u8 fault) { } /* For AFLFast schedules we update the new queue entry */ - afl->queue_top->n_fuzz_entry = cksum % N_FUZZ_SIZE; - afl->n_fuzz[afl->queue_top->n_fuzz_entry] = 1; + if (cksum) { + + 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. */ |