fuzz: Improve fuzzing stability for txorphan harness

2 files changed, 6 insertions, 4 deletions

diff --git a/src/test/fuzz/txorphan.cpp b/src/test/fuzz/txorphan.cpp
index 714b321bce..5423ba8920 100644
--- a/src/test/fuzz/txorphan.cpp
+++ b/src/test/fuzz/txorphan.cpp
@@ -33,6 +33,7 @@ void initialize_orphanage()
 FUZZ_TARGET(txorphan, .init = initialize_orphanage)
 {
     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
+    FastRandomContext limit_orphans_rng{/*fDeterministic=*/true};
     SetMockTime(ConsumeTime(fuzzed_data_provider));
 
     TxOrphanage orphanage;
@@ -132,7 +133,7 @@ FUZZ_TARGET(txorphan, .init = initialize_orphanage)
                     // test mocktime and expiry
                     SetMockTime(ConsumeTime(fuzzed_data_provider));
                     auto limit = fuzzed_data_provider.ConsumeIntegral<unsigned int>();
-                    orphanage.LimitOrphans(limit);
+                    orphanage.LimitOrphans(limit, limit_orphans_rng);
                     Assert(orphanage.Size() <= limit);
                 });
         }
diff --git a/src/test/orphanage_tests.cpp b/src/test/orphanage_tests.cpp
index bf465c0c64..4231fcc909 100644
--- a/src/test/orphanage_tests.cpp
+++ b/src/test/orphanage_tests.cpp
@@ -129,11 +129,12 @@ BOOST_AUTO_TEST_CASE(DoS_mapOrphans)
     }
 
     // Test LimitOrphanTxSize() function:
-    orphanage.LimitOrphans(40);
+    FastRandomContext rng{/*fDeterministic=*/true};
+    orphanage.LimitOrphans(40, rng);
     BOOST_CHECK(orphanage.CountOrphans() <= 40);
-    orphanage.LimitOrphans(10);
+    orphanage.LimitOrphans(10, rng);
     BOOST_CHECK(orphanage.CountOrphans() <= 10);
-    orphanage.LimitOrphans(0);
+    orphanage.LimitOrphans(0, rng);
     BOOST_CHECK(orphanage.CountOrphans() == 0);
 }