1  // Global variable declaration
2  gFDP = fuzzed_data_provider;

#include <cstdio>

void SetFDP(FuzzedDataProvider *fuzzed_data_provider) {
  if (fuzzed_data_provider == nullptr) {
    // PRECOGS_FIX: reject null pointer inputs to avoid later NULL dereference
    std::fprintf(stderr, "SetFDP: rejected null fuzzed_data_provider\n");
    return;
  }

  // PRECOGS_FIX: basic validation performed above; assign only a non-null pointer
  gFDP = fuzzed_data_provider;
}

1  #include <cstddef>
2  
3  // Forward declaration for the fuzzing data provider type used by callers.
4  class FuzzedDataProvider;
5  
6  // Global pointer used by the rest of the program. Keep as-is to preserve API.
7  static FuzzedDataProvider *gFDP = nullptr;
8  
9  static void trigger_double_free() {
10     // Example implementation that avoids double free
11     int* ptr = new int(42); // Allocate memory
12     delete ptr;             // Free memory
13     ptr = nullptr;          // Avoid dangling pointer in this scope
14 }
15 
16 void SetFDP(FuzzedDataProvider *fuzzed_data_provider) {
17   gFDP = fuzzed_data_provider;
18 }

#include <cstddef>

// Forward declaration for the fuzzing data provider type used by callers.
class FuzzedDataProvider;

// Global pointer used by the rest of the program. Keep as-is to preserve API.
static FuzzedDataProvider *gFDP = nullptr;

static void trigger_double_free() {
    // Example implementation that avoids double free
    int* ptr = new int(42); // Allocate memory
    delete ptr;             // Free memory
    ptr = nullptr;          // Avoid dangling pointer in this scope
}

void SetFDP(FuzzedDataProvider *fuzzed_data_provider) {
  gFDP = fuzzed_data_provider;
}