From fa7718344d2879bb3f3c00a4185c5445390c017d Mon Sep 17 00:00:00 2001
From: MarcoFalke <falke.marco@gmail.com>
Date: Fri, 6 Aug 2021 12:39:11 +0200
Subject: fuzz: Avoid OOM in system fuzz target

---
 src/test/fuzz/fuzz.h     | 3 +++
 src/test/fuzz/system.cpp | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/test/fuzz/fuzz.h b/src/test/fuzz/fuzz.h
index 2bad77bdc1..ce8fd660aa 100644
--- a/src/test/fuzz/fuzz.h
+++ b/src/test/fuzz/fuzz.h
@@ -11,6 +11,9 @@
 #include <functional>
 #include <string_view>
 
+#define LIMITED_WHILE(condition, limit) \
+    for (unsigned _count{limit}; (condition) && _count; --_count)
+
 using FuzzBufferType = Span<const uint8_t>;
 
 using TypeTestOneInput = std::function<void(FuzzBufferType)>;
diff --git a/src/test/fuzz/system.cpp b/src/test/fuzz/system.cpp
index b25dcfcd3b..0f53939eac 100644
--- a/src/test/fuzz/system.cpp
+++ b/src/test/fuzz/system.cpp
@@ -31,7 +31,8 @@ FUZZ_TARGET(system)
         SetupHelpOptions(args_manager);
     }
 
-    while (fuzzed_data_provider.ConsumeBool()) {
+    LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 3000)
+    {
         CallOneOf(
             fuzzed_data_provider,
             [&] {
-- 
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