fix lto cmplog instability

1 files changed, 2 insertions, 2 deletions

diff --git a/src/afl-fuzz-run.c b/src/afl-fuzz-run.c
index cc2ef891..bded8e2d 100644
--- a/src/afl-fuzz-run.c
+++ b/src/afl-fuzz-run.c
@@ -296,11 +296,11 @@ static void write_with_gap(afl_state_t *afl, u8 *mem, u32 len, u32 skip_at,
 u8 calibrate_case(afl_state_t *afl, struct queue_entry *q, u8 *use_mem,
                   u32 handicap, u8 from_queue) {
 
+  if (unlikely(afl->shm.cmplog_mode)) { q->exec_cksum = 0; }
+
   u8 fault = 0, new_bits = 0, var_detected = 0, hnb = 0,
      first_run = (q->exec_cksum == 0);
-
   u64 start_us, stop_us;
-
   s32 old_sc = afl->stage_cur, old_sm = afl->stage_max;
   u32 use_tmout = afl->fsrv.exec_tmout;
   u8 *old_sn = afl->stage_name;