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-rw-r--r--src/afl-fuzz-init.c2
-rw-r--r--src/afl-fuzz-one.c2
-rw-r--r--src/afl-fuzz-run.c2
-rw-r--r--src/afl-fuzz-state.c7
4 files changed, 10 insertions, 3 deletions
diff --git a/src/afl-fuzz-init.c b/src/afl-fuzz-init.c
index 1182bd41..c20965b4 100644
--- a/src/afl-fuzz-init.c
+++ b/src/afl-fuzz-init.c
@@ -1120,7 +1120,7 @@ void perform_dry_run(afl_state_t *afl) {
}
- if (q->var_behavior) {
+ if (unlikely(q->var_behavior && !afl->afl_env.afl_no_warn_instability)) {
WARNF("Instrumentation output varies across runs.");
diff --git a/src/afl-fuzz-one.c b/src/afl-fuzz-one.c
index 2f016217..e97db273 100644
--- a/src/afl-fuzz-one.c
+++ b/src/afl-fuzz-one.c
@@ -1988,7 +1988,7 @@ custom_mutator_stage:
if (unlikely(!mutated_buf)) {
- //FATAL("Error in custom_fuzz. Size returned: %zu", mutated_size);
+ // FATAL("Error in custom_fuzz. Size returned: %zu", mutated_size);
break;
}
diff --git a/src/afl-fuzz-run.c b/src/afl-fuzz-run.c
index 7dd83150..f5425011 100644
--- a/src/afl-fuzz-run.c
+++ b/src/afl-fuzz-run.c
@@ -523,7 +523,7 @@ u8 calibrate_case(afl_state_t *afl, struct queue_entry *q, u8 *use_mem,
}
- if (unlikely(!var_detected)) {
+ if (unlikely(!var_detected && !afl->afl_env.afl_no_warn_instability)) {
// note: from_queue seems to only be set during initialization
if (afl->afl_env.afl_no_ui || from_queue) {
diff --git a/src/afl-fuzz-state.c b/src/afl-fuzz-state.c
index 104b1e4b..6d8c8758 100644
--- a/src/afl-fuzz-state.c
+++ b/src/afl-fuzz-state.c
@@ -204,6 +204,13 @@ void read_afl_environment(afl_state_t *afl, char **envp) {
afl->afl_env.afl_no_affinity =
get_afl_env(afl_environment_variables[i]) ? 1 : 0;
+ } else if (!strncmp(env, "AFL_NO_WARN_INSTABILITY",
+
+ afl_environment_variable_len)) {
+
+ afl->afl_env.afl_no_warn_instability =
+ get_afl_env(afl_environment_variables[i]) ? 1 : 0;
+
} else if (!strncmp(env, "AFL_TRY_AFFINITY",
afl_environment_variable_len)) {