Fix fuzzer: VSyncPredictor::mIdealPeriod=0

Change fuzzer so it does not pass 0 for mIdealPeriod to avoid div by 0.

Bug: 289711305
Bug: 242440371
Test: atest VSyncPredictorTest
Change-Id: I4dd7bf7a96c50b98a3c5fa0a417dea5d63afbf6d

1 files changed, 3 insertions, 2 deletions

diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp b/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
index cbbfa1695c..be2a22a121 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
@@ -177,8 +177,9 @@ void SchedulerFuzzer::fuzzVSyncPredictor() {
     uint16_t now = mFdp.ConsumeIntegral<uint16_t>();
     uint16_t historySize = mFdp.ConsumeIntegralInRange<uint16_t>(1, UINT16_MAX);
     uint16_t minimumSamplesForPrediction = mFdp.ConsumeIntegralInRange<uint16_t>(1, UINT16_MAX);
-    scheduler::VSyncPredictor tracker{kDisplayId, mFdp.ConsumeIntegral<uint16_t>() /*period*/,
-                                      historySize, minimumSamplesForPrediction,
+    nsecs_t idealPeriod = mFdp.ConsumeIntegralInRange<nsecs_t>(1, UINT32_MAX);
+    scheduler::VSyncPredictor tracker{kDisplayId, idealPeriod, historySize,
+                                      minimumSamplesForPrediction,
                                       mFdp.ConsumeIntegral<uint32_t>() /*outlierTolerancePercent*/};
     uint16_t period = mFdp.ConsumeIntegral<uint16_t>();
     tracker.setPeriod(period);