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Dynamic (#77)

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Eli Peter 2026-06-05 10:16:30 -05:00 • committed by GitHub
parent 55247b7fcd
commit 991c84a1eb
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14
tests/dynamic_fixtures/cpp/libfuzzer/benign.cpp Normal file
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// Phase 16 — libFuzzer entry, benign.
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
(void)data; (void)size;
std::printf("__NYX_SINK_HIT__\n");
std::fflush(stdout);
std::system("echo hello");
return 0;
}

17
tests/dynamic_fixtures/cpp/libfuzzer/vuln.cpp Normal file
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// Phase 16 — libFuzzer entry, vulnerable. Cap: CODE_EXEC.
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <string>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
std::printf("__NYX_SINK_HIT__\n");
std::fflush(stdout);
if (size == 0 || size > 2048) return 0;
std::string payload(reinterpret_cast<const char*>(data), size);
std::string cmd = std::string("echo hello ") + payload;
std::system(cmd.c_str());
return 0;
}