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| author | Lei Zhang <thestig@chromium.org> | 2017-09-08 15:38:21 -0700 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2017-09-08 22:51:02 +0000 |
| commit | 131c0eb2e34ece6ede6288842cb3004ec3c600d4 (patch) | |
| tree | 383145ce921ee64e71d8dc949e36c7b4e9590e65 | |
| parent | ee1e757902d0096cc482c74d4fc0e568e0b18541 (diff) | |
| download | pdfium-131c0eb2e34ece6ede6288842cb3004ec3c600d4.tar.xz | |
Fix an off by 1 error in TIFF_PredictLine().chromium/3212
BUG=chromium:762106
Change-Id: I714d69320cc4fb81d535f811c18d4ef91fec44d3
Reviewed-on: https://pdfium-review.googlesource.com/13212
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
| -rw-r--r-- | core/fxcodec/codec/fx_codec_flate.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/core/fxcodec/codec/fx_codec_flate.cpp b/core/fxcodec/codec/fx_codec_flate.cpp index 02be295ce6..6482d52ed8 100644 --- a/core/fxcodec/codec/fx_codec_flate.cpp +++ b/core/fxcodec/codec/fx_codec_flate.cpp @@ -472,7 +472,7 @@ void TIFF_PredictLine(uint8_t* dest_buf, } int BytesPerPixel = BitsPerComponent * Colors / 8; if (BitsPerComponent == 16) { - for (uint32_t i = BytesPerPixel; i < row_size; i += 2) { + for (uint32_t i = BytesPerPixel; i + 1 < row_size; i += 2) { uint16_t pixel = (dest_buf[i - BytesPerPixel] << 8) | dest_buf[i - BytesPerPixel + 1]; pixel += (dest_buf[i] << 8) | dest_buf[i + 1]; |