From fa483e9f68b8b4171dabb25cc88dc2eada454a99 Mon Sep 17 00:00:00 2001
From: MarcoFalke <falke.marco@gmail.com>
Date: Thu, 17 Jun 2021 10:49:17 +0200
Subject: [PATCH] fuzz: Speed up crypto fuzz target

---
 src/test/fuzz/crypto.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/test/fuzz/crypto.cpp b/src/test/fuzz/crypto.cpp
index eeeac189684..f83747e4248 100644
--- a/src/test/fuzz/crypto.cpp
+++ b/src/test/fuzz/crypto.cpp
@@ -19,6 +19,10 @@
 
 FUZZ_TARGET(crypto)
 {
+    // Hashing is expensive with sanitizers enabled, so limit the number of
+    // calls
+    int limit_max_ops{30};
+
     FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
     std::vector<uint8_t> data = ConsumeRandomLengthByteVector(fuzzed_data_provider);
     if (data.empty()) {
@@ -36,7 +40,7 @@ FUZZ_TARGET(crypto)
     SHA3_256 sha3;
     CSipHasher sip_hasher{fuzzed_data_provider.ConsumeIntegral<uint64_t>(), fuzzed_data_provider.ConsumeIntegral<uint64_t>()};
 
-    while (fuzzed_data_provider.ConsumeBool()) {
+    while (--limit_max_ops >= 0 && fuzzed_data_provider.ConsumeBool()) {
         CallOneOf(
             fuzzed_data_provider,
             [&] {