Options.EntropicNumberOfRarestFeatures =
(size_t)Flags.entropic_number_of_rarest_features;
Options.EntropicScalePerExecTime = Flags.entropic_scale_per_exec_time;
- if (Options.Entropic) {
- if (!Options.FocusFunction.empty()) {
- Printf("ERROR: The parameters `--entropic` and `--focus_function` cannot "
- "be used together.\n");
- exit(1);
- }
+ if (!Options.FocusFunction.empty())
+ Options.Entropic = false; // FocusFunction overrides entropic scheduling.
+ if (Options.Entropic)
Printf("INFO: Running with entropic power schedule (0x%X, %d).\n",
Options.EntropicFeatureFrequencyThreshold,
Options.EntropicNumberOfRarestFeatures);
- }
struct EntropicOptions Entropic;
Entropic.Enabled = Options.Entropic;
Entropic.FeatureFrequencyThreshold =
FUZZER_FLAG_STRING(focus_function, "Experimental. "
"Fuzzing will focus on inputs that trigger calls to this function. "
"If -focus_function=auto and -data_flow_trace is used, libFuzzer "
- "will choose the focus functions automatically.")
-FUZZER_FLAG_INT(entropic, 0, "Experimental. Enables entropic power schedule.")
+ "will choose the focus functions automatically. Disables -entropic when "
+ "specified.")
+FUZZER_FLAG_INT(entropic, 1, "Enables entropic power schedule.")
FUZZER_FLAG_INT(entropic_feature_frequency_threshold, 0xFF, "Experimental. If "
"entropic is enabled, all features which are observed less often than "
"the specified value are considered as rare.")
size_t MaxNumberOfRuns = -1L;
int ReportSlowUnits = 10;
bool OnlyASCII = false;
- bool Entropic = false;
+ bool Entropic = true;
size_t EntropicFeatureFrequencyThreshold = 0xFF;
size_t EntropicNumberOfRarestFeatures = 100;
bool EntropicScalePerExecTime = false;
RUN: echo -n "@SELECT" > %t-corpus/A
RUN: echo -n "@FROM WHERE" > %t-corpus/B
-RUN: not %run %t-CrossOverUniformDistTest -keep_seed=1 -cross_over_uniform_dist=1 -seed=1 -runs=2000000 %t-corpus 2>&1 | FileCheck %s
+RUN: not %run %t-CrossOverUniformDistTest -keep_seed=1 -cross_over_uniform_dist=1 -seed=1 -runs=5000000 %t-corpus 2>&1 | FileCheck %s
CHECK: BINGO
RUN: rm -rf %t-corpus
RUN: mkdir %t-corpus
RUN: echo -n "@SELECT" > %t-corpus/A
RUN: echo -n "@FROM WHERE" > %t-corpus/B
-RUN: %run %t-CrossOverUniformDistTest -keep_seed=1 -seed=1 -runs=2000000 %t-corpus 2>&1
+RUN: %run %t-CrossOverUniformDistTest -keep_seed=1 -seed=1 -runs=5000000 %t-corpus 2>&1
RUN: mkdir %t-corpus
RUN: echo -n SELECTxFROMxWHERE > %t-corpus/valid-fragments
-RUN: not %run %t-KeepSeedTest -keep_seed=1 -seed=1 -runs=2000000 %t-corpus 2>&1 | FileCheck %s
+RUN: not %run %t-KeepSeedTest -keep_seed=1 -seed=1 -runs=3000000 %t-corpus 2>&1 | FileCheck %s
CHECK: BINGO
RUN: rm -rf %t-corpus-baseline
RUN: echo -n SELECTxFROMxWHERE > %t-corpus-baseline/valid-fragments
# The following checks whether without -keep_seed=1 libFuzzer does not find the
-# crashing input "SELECT FROM WHERE" even with 2x more runs.
+# crashing input "SELECT FROM WHERE" even with more runs.
RUN: %run %t-KeepSeedTest -seed=1 -runs=4000000 %t-corpus-baseline -print_final_stats=1