ret = syscall(SYS_read, fd, buf, MAX_LEN);
if (ret < 0) {
PERROR_NO_LOGGER("Failed to read file: path = '%s', fd = %d, length = %d",
ret = syscall(SYS_read, fd, buf, MAX_LEN);
if (ret < 0) {
PERROR_NO_LOGGER("Failed to read file: path = '%s', fd = %d, length = %d",