canvas-huge-min-max-sizes.html (1046B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>Don't crash with canvas with big min or max sizes</title> 4 <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#min-max-widths"> 5 <link rel="help" href="https://github.com/servo/servo/issues/33961"> 6 <link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com"> 7 8 <!-- 9 According to https://drafts.csswg.org/css2/visudet.html#min-max-widths, 10 we need to check whether max-width/w ≤ max-height/h holds. 11 Or equivalently we can check whether max-width*h ≤ max-height*w holds, 12 but 100000 * 100001 = 10000200001 doesn't fit in a 32-bit integer. 13 --> 14 <canvas height="100001" width="100001" style="max-width: 100000px; max-height: 100000px;"></canvas> 15 16 <!-- 17 Similarly, here we need to check whether min-width/w ≤ min-height/h holds. 18 Or equivalently we can check whether min-width*h ≤ min-height*w holds, 19 but again 100001 * 100000 = 10000200001 doesn't fit in a 32-bit integer. 20 --> 21 <canvas height="100000" width="100000" style="min-width: 100001px; min-height: 100001px;"></canvas>