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-rw-r--r--src/afl-fuzz-one.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/afl-fuzz-one.c b/src/afl-fuzz-one.c
index dfb103d7..72383727 100644
--- a/src/afl-fuzz-one.c
+++ b/src/afl-fuzz-one.c
@@ -494,6 +494,8 @@ u8 fuzz_one_original(afl_state_t *afl) {
 
     if (afl->queue_cur->cal_failed < CAL_CHANCES) {
 
+      afl->queue_cur->exec_cksum = 0;
+
       res =
           calibrate_case(afl, afl->queue_cur, in_buf, afl->queue_cycle - 1, 0);
 
@@ -2567,6 +2569,8 @@ static u8 mopt_common_fuzzing(afl_state_t *afl, MOpt_globals_t MOpt_globals) {
 
     if (afl->queue_cur->cal_failed < CAL_CHANCES) {
 
+      afl->queue_cur->exec_cksum = 0;
+
       res =
           calibrate_case(afl, afl->queue_cur, in_buf, afl->queue_cycle - 1, 0);