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| author | Jeremy Dorfman <jdorfman@google.com> | 2022-11-15 14:30:23 -0500 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-11-20 21:23:57 +0100 |
| commit | ce566281f943227480b5441401e90ee8a843730f (patch) | |
| tree | 9042f40b10549660100a00ac8ce1e9545b98aed1 /libavutil/hwcontext_cuda.h | |
| parent | 0871cb9499242cb323c245599f3e7e763806e85b (diff) | |
| download | ffmpeg-ce566281f943227480b5441401e90ee8a843730f.tar.gz | |
swscale/input: Use unsigned intermediates in rgb64ToUV_c_template
Large rgb2yuv tables and high pixel values cause the intermediate
int32_t of ru*r + gu*g + bu*b to exceed INT_MAX, which is undefined
behavior. This causes libswscale built with LLVM -fsanitize=undefined to
assert. Using unsigned integers instead has defined behavior and
produces identical results, and makes rgb64ToUV_c_template match
rgb64ToY_c_template.
Fixes: signed integer overflow
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavutil/hwcontext_cuda.h')
0 files changed, 0 insertions, 0 deletions