From 9dae3b970a7a82e8d9f3f755048d427da78c49da Mon Sep 17 00:00:00 2001
From: Murch <murch@murch.one>
Date: Wed, 21 Feb 2024 15:49:05 -0500
Subject: [PATCH] [fuzz] Avoid partial negative result

---
 src/wallet/test/fuzz/coinselection.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wallet/test/fuzz/coinselection.cpp b/src/wallet/test/fuzz/coinselection.cpp
index 3ffeecdf34384..297432de9efc5 100644
--- a/src/wallet/test/fuzz/coinselection.cpp
+++ b/src/wallet/test/fuzz/coinselection.cpp
@@ -158,7 +158,7 @@ FUZZ_TARGET(coin_grinder_is_optimal)
         // Only make UTXOs with positive effective value
         const CAmount input_fee = coin_params.m_effective_feerate.GetFee(n_input_bytes);
         // Ensure that each UTXO has at least an effective value of 1 sat
-        const CAmount eff_value{fuzzed_data_provider.ConsumeIntegralInRange<CAmount>(1, MAX_MONEY - max_spendable - max_output_groups + group_pos.size())};
+        const CAmount eff_value{fuzzed_data_provider.ConsumeIntegralInRange<CAmount>(1, MAX_MONEY + group_pos.size() - max_spendable - max_output_groups)};
         const CAmount amount{eff_value + input_fee};
         std::vector<COutput> temp_utxo_pool;