size_mul
size_mul(sizeof(uint32_t), num_syncobj_handles));
size_mul(sizeof(u32), num_syncobj_handles));
size_mul(sizeof(u32), num_read_bo_handles));
size_mul(sizeof(u32), num_write_bo_handles));
size_mul(sizeof(u32), num_syncobj));
size_mul(DIV_ROUND_UP(logo->width, BITS_PER_BYTE), logo->height),