diff -urNp old/converter/other/svgtopam.c new/converter/other/svgtopam.c

--- old/converter/other/svgtopam.c	2017-02-08 12:11:02.593690917 +0100

+++ new/converter/other/svgtopam.c	2017-02-08 13:49:38.319029371 +0100

@@ -771,12 +771,17 @@ createCanvas(unsigned int const width,

     MALLOCVAR_NOFAIL(canvasP);

-    canvasP->width  = width;

-    canvasP->height = height;

-    canvasP->pixels = ppm_allocarray(width, height);

-    canvasP->maxval = maxval;

+    if(canvasP != NULL){

+        canvasP->width  = width;

+        canvasP->height = height;

+        canvasP->pixels = ppm_allocarray(width, height);

+        canvasP->maxval = maxval;

+

+        *canvasPP = canvasP;

+    } else {

+       pm_error("can't allocate memory for canvas");

+    }

-    *canvasPP = canvasP;

 }