time_fuzzer.cc 1.7 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253
  1. // Copyright 2021 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #include <fuzzer/FuzzedDataProvider.h>
  5. #include <stddef.h>
  6. #include <stdint.h>
  7. #include <string>
  8. #include <tuple>
  9. #include "base/test/icu_test_util.h"
  10. #include "base/time/time.h"
  11. namespace {
  12. void FuzzStringConversions(const uint8_t* data, size_t size) {
  13. FuzzedDataProvider provider(data, size);
  14. std::string str = provider.ConsumeRemainingBytesAsString();
  15. base::Time dummy;
  16. std::ignore = base::Time::FromString(str.c_str(), &dummy);
  17. std::ignore = base::Time::FromUTCString(str.c_str(), &dummy);
  18. }
  19. void FuzzExplodedConversions(const uint8_t* data, size_t size) {
  20. FuzzedDataProvider provider(data, size);
  21. base::Time::Exploded exploded = {
  22. .year = provider.ConsumeIntegral<int>(),
  23. .month = provider.ConsumeIntegral<int>(),
  24. .day_of_week = provider.ConsumeIntegral<int>(),
  25. .day_of_month = provider.ConsumeIntegral<int>(),
  26. .hour = provider.ConsumeIntegral<int>(),
  27. .minute = provider.ConsumeIntegral<int>(),
  28. .second = provider.ConsumeIntegral<int>(),
  29. .millisecond = provider.ConsumeIntegral<int>(),
  30. };
  31. base::Time dummy;
  32. std::ignore = base::Time::FromUTCExploded(exploded, &dummy);
  33. std::ignore = base::Time::FromLocalExploded(exploded, &dummy);
  34. }
  35. } // namespace
  36. extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
  37. // Fuzz with a constant time zone to make reproduction of bugs easier.
  38. base::test::ScopedRestoreDefaultTimezone test_tz("America/Los_Angeles");
  39. FuzzStringConversions(data, size);
  40. FuzzExplodedConversions(data, size);
  41. return 0;
  42. }