8000 Fix a potential UBSAN error. by vrabaud · Pull Request #21421 · opencv/opencv · GitHub
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Fix a potential UBSAN error. #21421

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merged 1 commit into from
Jan 11, 2022
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Fix a potential UBSAN error. #21421

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2 changes: 1 addition & 1 deletion modules/core/src/matrix.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -269,7 +269,7 @@ void setSize( Mat& m, int _dims, const int* _sz, const size_t* _steps, bool auto
else if( autoSteps )
{
m.step.p[i] = total;
int64 total1 = (int64)total*s;
uint64 total1 = (uint64)total*s;
if( (uint64)total1 != (size_t)total1 )
CV_Error( CV_StsOutOfRange, "The total matrix size does not fit to \"size_t\" type" );
total = (size_t)total1;
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