fuzz: Limit fuzzed time to years 2000-2100

Author: MarcoFalke

src/test/fuzz/util.cpp

@@ -281,8 +281,8 @@ CAmount ConsumeMoney(FuzzedDataProvider& fuzzed_data_provider, const std::option
 int64_t ConsumeTime(FuzzedDataProvider& fuzzed_data_provider, const std::optional<int64_t>& min, const std::optional<int64_t>& max) noexcept
 {
     // Avoid t=0 (1970-01-01T00:00:00Z) since SetMockTime(0) disables mocktime.
-    static const int64_t time_min = ParseISO8601DateTime("1970-01-01T00:00:01Z");
-    static const int64_t time_max = ParseISO8601DateTime("9999-12-31T23:59:59Z");
+    static const int64_t time_min{ParseISO8601DateTime("2000-01-01T00:00:01Z")};
+    static const int64_t time_max{ParseISO8601DateTime("2100-12-31T23:59:59Z")};
     return fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(min.value_or(time_min), max.value_or(time_max));
 }
 

test/sanitizer_suppressions/ubsan

@@ -96,7 +96,6 @@ implicit-signed-integer-truncation:chain.h
 implicit-signed-integer-truncation:crypto/
 implicit-signed-integer-truncation:node/miner.cpp
 implicit-signed-integer-truncation:net.cpp
-implicit-signed-integer-truncation:net_processing.cpp
 implicit-signed-integer-truncation:streams.h
 implicit-signed-integer-truncation:test/arith_uint256_tests.cpp
 implicit-signed-integer-truncation:test/skiplist_tests.cpp