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Merge pull request #5108 from cgohlke/patch-1

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Fix dereferencing potential null pointer
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Andrew Murray 2020-12-22 08:26:48 +11:00 committed by GitHub
commit 0eddc82157
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1 changed files with 4 additions and 0 deletions
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src/_imaging.c
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@ -3179,6 +3179,10 @@ _draw_polygon(ImagingDrawObject* self, PyObject* args)
/* Copy list of vertices to array */ /* Copy list of vertices to array */
ixy = (int*) calloc(n, 2 * sizeof(int)); ixy = (int*) calloc(n, 2 * sizeof(int));
if (ixy == NULL) {
free(xy);
return ImagingError_MemoryError();
}
for (i = 0; i < n; i++) { for (i = 0; i < n; i++) {
ixy[i+i] = (int) xy[i+i]; ixy[i+i] = (int) xy[i+i];