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| author | Joe Downing <joedow@google.com> | 2022-06-06 17:50:23 +0000 |
|---|---|---|
| committer | Frank Barchard <fbarchard@chromium.org> | 2022-06-07 01:20:14 +0000 |
| commit | c0c8c40b31636e575eaf07921d58d8f4ff3aa983 (patch) | |
| tree | ba4ac530c7714d19e51bd8490da51c9ad2f9bb87 /source/planar_functions.cc | |
| parent | f8a1ee331419d5737e28a08ef97756e808965269 (diff) | |
| download | libyuv-c0c8c40b31636e575eaf07921d58d8f4ff3aa983.tar.gz | |
Update CopyPlane to handle 0 width and height dimensions
If a width, height, and src/dst strides passed in are all 0, height is updated to 1 which means some CPU optimized functions may try to copy data when the dst rect is not valid.
Bug: b:234340482
Change-Id: I63be1c6ba05d669d67f5079d812acbec09c8f6c9
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/3689909
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
Diffstat (limited to 'source/planar_functions.cc')
| -rw-r--r-- | source/planar_functions.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/source/planar_functions.cc b/source/planar_functions.cc index c662cfef..141db6ef 100644 --- a/source/planar_functions.cc +++ b/source/planar_functions.cc @@ -35,6 +35,9 @@ void CopyPlane(const uint8_t* src_y, int height) { int y; void (*CopyRow)(const uint8_t* src, uint8_t* dst, int width) = CopyRow_C; + if (width == 0 || height == 0) { + return; + } // Negative height means invert the image. if (height < 0) { height = -height; |