Как избежать краша в libjpeg при открытии некорректного файла?

void error_exit(j_common_ptr) 
==17255== Invalid read of size 8
==17255==    at 0x64F4C99: start_input_pass (in /usr/lib64/libjpeg.so.8.0.2)
==17255==    by 0x64F8ADB: jinit_master_decompress (in /usr/lib64/libjpeg.so.8.0.2)
==17255==    by 0x64EF974: jpeg_start_decompress (in /usr/lib64/libjpeg.so.8.0.2)
==17255==    by 0x4E48F9A: Core::Image::JpegFormat::load(QByteArray const&, QSize const&) (jpegformat.cpp:89)

struct 
{
	jpeg_error_mgr	pub;
	jmp_buf		jmp_buffer;
}

struct my_error_mgr : public jpeg_error_mgr {
	jmp_buf setjmp_buffer;
};

static void error_exit (j_common_ptr cinfo)
{
	my_error_mgr *myerr = (my_error_mgr *) cinfo->err;
	longjmp (myerr->setjmp_buffer, 1);
}

bool JpegFormat::load (const QByteArray &data, const QSize &size)
		{
			Q_UNUSED (size)
			qDebug() << Q_FUNC_INFO;

			jpeg_decompress_struct decompressStruct;
			my_error_mgr error;

			decompressStruct.err = jpeg_std_error (&error);

			error.error_exit = error_exit;
			error.emit_message = emit_message;
			error.output_message = output_message;
			error.format_message = format_message;
			error.reset_error_mgr = reset_error_mgr;

			if (!setjmp (error.setjmp_buffer)) {
				jpeg_CreateDecompress (&decompressStruct,
									   JPEG_LIB_VERSION,
									   sizeof (decompressStruct)
									  );

				auto inBuf = reinterpret_cast<const unsigned char *> (data.constData());
				jpeg_mem_src (&decompressStruct,
							  const_cast<unsigned char *> (inBuf),
							  data.size());

				if (jpeg_read_header (&decompressStruct, true) != JPEG_HEADER_OK) {
					jpeg_destroy_decompress (&decompressStruct);
					return false;
				}

				decompressStruct.out_color_space = JCS_GRAYSCALE;
				jpeg_start_decompress (&decompressStruct);

				size_ = QSize (decompressStruct.image_width, decompressStruct.image_height);
				data_.fill (0,
							decompressStruct.image_width * decompressStruct.image_height
						   );
				auto outBuf = reinterpret_cast<unsigned char *> (data_.data());

				while (decompressStruct.output_scanline < decompressStruct.image_height) {
					jpeg_read_scanlines (&decompressStruct, &outBuf, 1);
					outBuf += decompressStruct.image_width;
				}

				jpeg_finish_decompress (&decompressStruct);
				jpeg_destroy_decompress (&decompressStruct);
			}


			return !data_.isEmpty ();
		}