LibGfx/ILBM: Avoid overflow when creating bitplane data buffer

lanmonster · Nov 8, 2023 · b96a5f4 · b96a5f4
1 parent 5e1017b
commit b96a5f4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Userland/Libraries/LibGfx/ImageFormats/ILBMLoader.cpp b/Userland/Libraries/LibGfx/ImageFormats/ILBMLoader.cpp
@@ -149,7 +149,7 @@ static ErrorOr<ByteBuffer> planar_to_chunky(ReadonlyBytes bitplanes, ILBMLoading
  u16 width = context.bm_header.width;
  u16 height = context.bm_header.height;
  u8 planes = context.bm_header.planes;
- auto chunky = TRY(ByteBuffer::create_zeroed(width * height));
+ auto chunky = TRY(ByteBuffer::create_zeroed(static_cast<size_t>(width) * height));
 
  for (u16 y = 0; y < height; y++) {
  size_t scanline = y * width;