diff options
| -rw-r--r-- | autistdraw.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/autistdraw.c b/autistdraw.c index 2899251..45f63a5 100644 --- a/autistdraw.c +++ b/autistdraw.c @@ -828,7 +828,10 @@ load (app_context_t *app) if (fscanf (fp, "%d %d %zu %zu", &x, &y, &w, &h) != 4) goto error; + if (w && h > SIZE_MAX / w) + goto error; size_t size = w * h; + uint8_t *bitmap = calloc (size, sizeof *bitmap); if (!bitmap) goto error; |