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fuzz: Abort when using global PRNG without re-seed

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This commit is contained in:
MarcoFalke
2024-12-13 14:42:21 +01:00
parent fa7809aeab
commit fa18acb457
7 changed files with 77 additions and 2 deletions
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9
src/test/fuzz/fuzz.cpp
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@@ -6,6 +6,7 @@
#include <netaddress.h>
#include <netbase.h>
#include <test/fuzz/util/check_globals.h>
#include <test/util/random.h>
#include <test/util/setup_common.h>
#include <util/check.h>
@@ -78,6 +79,12 @@ void FuzzFrameworkRegisterTarget(std::string_view name, TypeTestOneInput target,
static std::string_view g_fuzz_target;
static const TypeTestOneInput* g_test_one_input{nullptr};
inline void test_one_input(FuzzBufferType buffer)
{
CheckGlobals check{};
(*Assert(g_test_one_input))(buffer);
}
const std::function<std::string()> G_TEST_GET_FULL_NAME{[]{
return std::string{g_fuzz_target};
}};
@@ -210,7 +217,6 @@ void signal_handler(int signal)
// This function is used by libFuzzer
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
static const auto& test_one_input = *Assert(g_test_one_input);
test_one_input({data, size});
return 0;
}
@@ -227,7 +233,6 @@ extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
int main(int argc, char** argv)
{
initialize();
static const auto& test_one_input = *Assert(g_test_one_input);
#ifdef __AFL_LOOP
// Enable AFL persistent mode. Requires compilation using afl-clang-fast++.
// See fuzzing.md for details.