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Fix alpha mask leak when growing the font canvas

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Hassan Raza 2026-08-28 14:33:16 +05:00
parent b3273b5f8c
commit 1423c33fb8
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kitty/fonts.c
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@ -193,6 +193,7 @@ ensure_canvas_can_fit(FontGroup *fg, unsigned cells, unsigned scale) {
#undef cs
size_in_bytes = (sizeof(fg->canvas.alpha_mask[0]) * SUPERSAMPLE_FACTOR * SUPERSAMPLE_FACTOR * 2 * fg->fcm.cell_width * fg->fcm.cell_height * scale * scale);
if (size_in_bytes > fg->canvas.alpha_mask_sz_in_bytes) {
free(fg->canvas.alpha_mask);
fg->canvas.alpha_mask_sz_in_bytes = size_in_bytes;
fg->canvas.alpha_mask = malloc(fg->canvas.alpha_mask_sz_in_bytes);
if (!fg->canvas.alpha_mask) fatal("Out of memory allocating canvas");