diff options
| -rw-r--r-- | testing/libfuzzer/xfa_codec_fuzzer.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/testing/libfuzzer/xfa_codec_fuzzer.h b/testing/libfuzzer/xfa_codec_fuzzer.h index 90706af9f4..0ab7834f1e 100644 --- a/testing/libfuzzer/xfa_codec_fuzzer.h +++ b/testing/libfuzzer/xfa_codec_fuzzer.h @@ -38,9 +38,13 @@ class XFACodecFuzzer { // Skipping very large images, since they will take a long time and may lead // to OOM. - if (decoder->GetHeight() != 0 && - decoder->GetWidth() > kXFACodecFuzzerPixelLimit / decoder->GetHeight()) + FX_SAFE_UINT32 bitmap_size = decoder->GetHeight(); + bitmap_size *= decoder->GetWidth(); + bitmap_size *= 4; // From CFX_DIBitmap impl. + if (!bitmap_size.IsValid() || + bitmap_size.ValueOrDie() > kXFACodecFuzzerPixelLimit) { return 0; + } auto bitmap = pdfium::MakeRetain<CFX_DIBitmap>(); bitmap->Create(decoder->GetWidth(), decoder->GetHeight(), FXDIB_Argb); |