fuzz: Avoid signed-integer-overflow in wallet_notifications fuzz target

src/wallet/test/fuzz/notifications.cpp

@@ -1,4 +1,4 @@
-// Copyright (c) 2021-2022 The Bitcoin Core developers
+// Copyright (c) 2021-present The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -169,7 +169,7 @@ FUZZ_TARGET(wallet_notifications, .init = initialize_setup)
     // The total amount, to be distributed to the wallets a and b in txs
     // without fee. Thus, the balance of the wallets should always equal the
     // total amount.
-    const auto total_amount{ConsumeMoney(fuzzed_data_provider)};
+    const auto total_amount{ConsumeMoney(fuzzed_data_provider, /*max=*/MAX_MONEY / 100000)};
     FuzzedWallet a{
         "fuzzed_wallet_a",
         "tprv8ZgxMBicQKsPd1QwsGgzfu2pcPYbBosZhJknqreRHgsWx32nNEhMjGQX2cgFL8n6wz9xdDYwLcs78N4nsCo32cxEX8RBtwGsEGgybLiQJfk",