diff options
Diffstat (limited to 'testing/libfuzzer')
| -rw-r--r-- | testing/libfuzzer/xfa_codec_fuzzer.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/testing/libfuzzer/xfa_codec_fuzzer.h b/testing/libfuzzer/xfa_codec_fuzzer.h index a590596dcf..e91ea20577 100644 --- a/testing/libfuzzer/xfa_codec_fuzzer.h +++ b/testing/libfuzzer/xfa_codec_fuzzer.h @@ -17,6 +17,10 @@ #include "testing/fx_string_testhelpers.h" #include "third_party/base/ptr_util.h" +// Arbitrarily picked to support up to 1000x1000 images. This is far below where +// OOM issues are occuring. +const int kXFACodecFuzzerPixelLimit = 1000000; + class XFACodecFuzzer { public: static int Fuzz(const uint8_t* data, size_t size, FXCODEC_IMAGE_TYPE type) { @@ -33,14 +37,18 @@ class XFACodecFuzzer { if (status != FXCODEC_STATUS_FRAME_READY) return 0; + // Skipping very large images, since they will take a long time and may lead + // to OOM. + if (decoder->GetWidth() * decoder->GetHeight() > kXFACodecFuzzerPixelLimit) + return 0; + auto bitmap = pdfium::MakeRetain<CFX_DIBitmap>(); bitmap->Create(decoder->GetWidth(), decoder->GetHeight(), FXDIB_Argb); int32_t frames; if (decoder->GetFrames(&frames) != FXCODEC_STATUS_DECODE_READY || - frames == 0) { + frames == 0) return 0; - } status = decoder->StartDecode(bitmap, 0, 0, bitmap->GetWidth(), bitmap->GetHeight()); |