#fixed code
                                @Override
    public boolean process(Set<? extends TypeElement> type, RoundEnvironment env) {

        Types typeUtils = processingEnv.getTypeUtils();
        Filer filer = processingEnv.getFiler();

        //
        // Processor options
        //
        boolean isLibrary = false;
        String fragmentArgsLib = processingEnv.getOptions().get(OPTION_IS_LIBRARY);
        if (fragmentArgsLib != null && fragmentArgsLib.equalsIgnoreCase("true")) {
            isLibrary = true;
        }

        String supportAnnotationsStr = processingEnv.getOptions().get(OPTION_SUPPORT_ANNOTATIONS);
        if (supportAnnotationsStr != null && supportAnnotationsStr.equalsIgnoreCase("false")) {
            supportAnnotations = false;
        }

        String additionalBuilderAnnotations[] = {};
        String builderAnnotationsStr =
                processingEnv.getOptions().get(OPTION_ADDITIONAL_BUILDER_ANNOTATIONS);
        if (builderAnnotationsStr != null && builderAnnotationsStr.length() > 0) {
            additionalBuilderAnnotations = builderAnnotationsStr.split(" "); // White space is delimiter
        }

        String fragmentArgsLogWarnings = processingEnv.getOptions().get(OPTION_LOG_WARNINGS);
        if(fragmentArgsLogWarnings != null && fragmentArgsLogWarnings.equalsIgnoreCase("false")) {
            logWarnings = false;
        }

        String nonNullAnnotationImport = "";
        String nullableAnnotationImport = "";

        if(supportAnnotations) {
            if (isClassAvailable("android.support.annotation.NonNull")) {
                nonNullAnnotationImport = "android.support.annotation.NonNull";
                nullableAnnotationImport = "android.support.annotation.Nullable";

            } else if (isClassAvailable("androidx.annotation.NonNull")) {
                nonNullAnnotationImport = "androidx.annotation.NonNull";
                nullableAnnotationImport = "androidx.annotation.Nullable";

            } else {
                supportAnnotations = false;
                warn(null,
                        "Support annotations have been disabled because neither " +
                                "'android.support.annotation.NonNull' nor " +
                                "'androidx.annotation.NonNull' could be found during processing"
                );
            }
        }

        List<ProcessingException> processingExceptions = new ArrayList<ProcessingException>();

        JavaWriter jw = null;

        // REMEMBER: It's a SET! it uses .equals() .hashCode() to determine if element already in set
        Set<TypeElement> fragmentClasses = new HashSet<TypeElement>();

        Element[] origHelper = null;

        // Search for @Arg fields
        for (Element element : env.getElementsAnnotatedWith(Arg.class)) {

            try {
                TypeElement enclosingElement = (TypeElement) element.getEnclosingElement();

                // Check if its a fragment
                if (!isFragmentClass(enclosingElement)) {
                    throw new ProcessingException(element,
                            "@Arg can only be used on fragment fields (%s.%s)",
                            enclosingElement.getQualifiedName(), element);
                }

                if (element.getModifiers().contains(Modifier.FINAL)) {
                    throw new ProcessingException(element,
                            "@Arg fields must not be final (%s.%s)",
                            enclosingElement.getQualifiedName(), element);
                }

                if (element.getModifiers()
                        .contains(Modifier.STATIC)) {
                    throw new ProcessingException(element,
                            "@Arg fields must not be static (%s.%s)",
                            enclosingElement.getQualifiedName(), element);
                }

                // Skip abstract classes
                if (!enclosingElement.getModifiers().contains(Modifier.ABSTRACT)) {
                    fragmentClasses.add(enclosingElement);
                }
            } catch (ProcessingException e) {
                processingExceptions.add(e);
            }
        }

        // Search for "just" @FragmentWithArgs
        for (Element element : env.getElementsAnnotatedWith(FragmentWithArgs.class)) {
            try {
                scanForAnnotatedFragmentClasses(env, FragmentWithArgs.class, fragmentClasses, element);
            } catch (ProcessingException e) {
                processingExceptions.add(e);
            }
        }

        // Store the key - value for the generated FragmentArtMap class
        Map<String, String> autoMapping = new HashMap<String, String>();

        for (TypeElement fragmentClass : fragmentClasses) {

            JavaFileObject jfo = null;
            try {

                AnnotatedFragment fragment = collectArgumentsForType(fragmentClass);

                String builder = fragment.getSimpleName() + "Builder";
                List<Element> originating = new ArrayList<Element>(10);
                originating.add(fragmentClass);
                TypeMirror superClass = fragmentClass.getSuperclass();
                while (superClass.getKind() != TypeKind.NONE) {
                    TypeElement element = (TypeElement) typeUtils.asElement(superClass);
                    if (element.getQualifiedName().toString().startsWith("android.")) {
                        break;
                    }
                    originating.add(element);
                    superClass = element.getSuperclass();
                }

                String qualifiedFragmentName = fragment.getQualifiedName();
                String qualifiedBuilderName = qualifiedFragmentName + "Builder";

                Element[] orig = originating.toArray(new Element[originating.size()]);
                origHelper = orig;

                jfo = filer.createSourceFile(qualifiedBuilderName, orig);
                Writer writer = jfo.openWriter();
                jw = new JavaWriter(writer);
                writePackage(jw, fragmentClass);
                jw.emitImports("android.os.Bundle");
                if (supportAnnotations) {
                    jw.emitImports(nonNullAnnotationImport);
                    if (!fragment.getOptionalFields().isEmpty()) {
                        jw.emitImports(nullableAnnotationImport);
                    }
                }

                jw.emitEmptyLine();

                // Additional builder annotations
                for (String builderAnnotation : additionalBuilderAnnotations) {
                    jw.emitAnnotation(builderAnnotation);
                }

                jw.beginType(builder, "class", EnumSet.of(Modifier.PUBLIC, Modifier.FINAL));

                if (!fragment.getBundlerVariableMap().isEmpty()) {
                    jw.emitEmptyLine();
                    for (Map.Entry<String, String> e : fragment.getBundlerVariableMap().entrySet()) {
                        jw.emitField(e.getKey(), e.getValue(),
                                EnumSet.of(Modifier.PRIVATE, Modifier.FINAL, Modifier.STATIC),
                                "new " + e.getKey() + "()");
                    }
                }
                jw.emitEmptyLine();
                jw.emitField("Bundle", "mArguments", EnumSet.of(Modifier.PRIVATE, Modifier.FINAL),
                        "new Bundle()");
                jw.emitEmptyLine();

                Set<ArgumentAnnotatedField> required = fragment.getRequiredFields();

                String[] args = new String[required.size() * 2];
                int index = 0;

                for (ArgumentAnnotatedField arg : required) {
                    boolean annotate = supportAnnotations && !arg.isPrimitive();
                    args[index++] = annotate ? "@NonNull " + arg.getType() : arg.getType();
                    args[index++] = arg.getVariableName();
                }
                jw.beginMethod(null, builder, EnumSet.of(Modifier.PUBLIC), args);

                for (ArgumentAnnotatedField arg : required) {
                    writePutArguments(jw, arg.getVariableName(), "mArguments", arg);
                }

                jw.endMethod();

                if (!required.isEmpty()) {
                    jw.emitEmptyLine();
                    writeNewFragmentWithRequiredMethod(builder, fragmentClass, jw, args);
                }

                Set<ArgumentAnnotatedField> optionalArguments = fragment.getOptionalFields();

                for (ArgumentAnnotatedField arg : optionalArguments) {
                    writeBuilderMethod(builder, jw, arg);
                }

                jw.emitEmptyLine();
                writeBuildBundleMethod(jw);

                jw.emitEmptyLine();
                writeInjectMethod(jw, fragmentClass, fragment);

                jw.emitEmptyLine();
                writeBuildMethod(jw, fragmentClass);

                jw.endType();

                autoMapping.put(qualifiedFragmentName, qualifiedBuilderName);
            } catch (IOException e) {
                processingExceptions.add(
                        new ProcessingException(fragmentClass, "Unable to write builder for type %s: %s",
                                fragmentClass, e.getMessage()));
            } catch (ProcessingException e) {
                processingExceptions.add(e);
                if (jfo != null) {
                    jfo.delete();
                }
            } finally {
                if (jw != null) {
                    try {
                        jw.close();
                    } catch (IOException e1) {
                        processingExceptions.add(new ProcessingException(fragmentClass,
                                "Unable to close javawriter while generating builder for type %s: %s",
                                fragmentClass, e1.getMessage()));
                    }
                }
            }
        }

        // Write the automapping class
        if (origHelper != null && !isLibrary) {
            try {
                writeAutoMapping(autoMapping, origHelper);
            } catch (ProcessingException e) {
                processingExceptions.add(e);
            }
        }

        // Print errors
        for (ProcessingException e : processingExceptions) {
            error(e);
        }

        return true;
    }
#vulnerable code 
                                @Override
    public boolean process(Set<? extends TypeElement> type, RoundEnvironment env) {

        Types typeUtils = processingEnv.getTypeUtils();
        Filer filer = processingEnv.getFiler();

        //
        // Processor options
        //
        boolean isLibrary = false;
        String fragmentArgsLib = processingEnv.getOptions().get(OPTION_IS_LIBRARY);
        if (fragmentArgsLib != null && fragmentArgsLib.equalsIgnoreCase("true")) {
            isLibrary = true;
        }

        String supportAnnotationsStr = processingEnv.getOptions().get(OPTION_SUPPORT_ANNOTATIONS);
        if (supportAnnotationsStr != null && supportAnnotationsStr.equalsIgnoreCase("false")) {
            supportAnnotations = false;
        }

        String additionalBuilderAnnotations[] = {};
        String builderAnnotationsStr =
                processingEnv.getOptions().get(OPTION_ADDITIONAL_BUILDER_ANNOTATIONS);
        if (builderAnnotationsStr != null && builderAnnotationsStr.length() > 0) {
            additionalBuilderAnnotations = builderAnnotationsStr.split(" "); // White space is delimiter
        }

        String fragmentArgsLogWarnings = processingEnv.getOptions().get(OPTION_LOG_WARNINGS);
        if(fragmentArgsLogWarnings != null && fragmentArgsLogWarnings.equalsIgnoreCase("false")) {
            logWarnings = false;
        }

        List<ProcessingException> processingExceptions = new ArrayList<ProcessingException>();

        JavaWriter jw = null;

        // REMEMBER: It's a SET! it uses .equals() .hashCode() to determine if element already in set
        Set<TypeElement> fragmentClasses = new HashSet<TypeElement>();

        Element[] origHelper = null;

        // Search for @Arg fields
        for (Element element : env.getElementsAnnotatedWith(Arg.class)) {

            try {
                TypeElement enclosingElement = (TypeElement) element.getEnclosingElement();

                // Check if its a fragment
                if (!isFragmentClass(enclosingElement, TYPE_FRAGMENT, TYPE_SUPPORT_FRAGMENT)) {
                    throw new ProcessingException(element,
                            "@Arg can only be used on fragment fields (%s.%s)",
                            enclosingElement.getQualifiedName(), element);
                }

                if (element.getModifiers().contains(Modifier.FINAL)) {
                    throw new ProcessingException(element,
                            "@Arg fields must not be final (%s.%s)",
                            enclosingElement.getQualifiedName(), element);
                }

                if (element.getModifiers()
                        .contains(Modifier.STATIC)) {
                    throw new ProcessingException(element,
                            "@Arg fields must not be static (%s.%s)",
                            enclosingElement.getQualifiedName(), element);
                }

                // Skip abstract classes
                if (!enclosingElement.getModifiers().contains(Modifier.ABSTRACT)) {
                    fragmentClasses.add(enclosingElement);
                }
            } catch (ProcessingException e) {
                processingExceptions.add(e);
            }
        }

        // Search for "just" @FragmentWithArgs
        for (Element element : env.getElementsAnnotatedWith(FragmentWithArgs.class)) {
            try {
                scanForAnnotatedFragmentClasses(env, FragmentWithArgs.class, fragmentClasses, element);
            } catch (ProcessingException e) {
                processingExceptions.add(e);
            }
        }

        // Store the key - value for the generated FragmentArtMap class
        Map<String, String> autoMapping = new HashMap<String, String>();

        for (TypeElement fragmentClass : fragmentClasses) {

            JavaFileObject jfo = null;
            try {

                AnnotatedFragment fragment = collectArgumentsForType(fragmentClass);

                String builder = fragment.getSimpleName() + "Builder";
                List<Element> originating = new ArrayList<Element>(10);
                originating.add(fragmentClass);
                TypeMirror superClass = fragmentClass.getSuperclass();
                while (superClass.getKind() != TypeKind.NONE) {
                    TypeElement element = (TypeElement) typeUtils.asElement(superClass);
                    if (element.getQualifiedName().toString().startsWith("android.")) {
                        break;
                    }
                    originating.add(element);
                    superClass = element.getSuperclass();
                }

                String qualifiedFragmentName = fragment.getQualifiedName();
                String qualifiedBuilderName = qualifiedFragmentName + "Builder";

                Element[] orig = originating.toArray(new Element[originating.size()]);
                origHelper = orig;

                jfo = filer.createSourceFile(qualifiedBuilderName, orig);
                Writer writer = jfo.openWriter();
                jw = new JavaWriter(writer);
                writePackage(jw, fragmentClass);
                jw.emitImports("android.os.Bundle");
                if (supportAnnotations) {
                    jw.emitImports("android.support.annotation.NonNull");
                    if (!fragment.getOptionalFields().isEmpty()) {
                        jw.emitImports("android.support.annotation.Nullable");
                    }
                }

                jw.emitEmptyLine();

                // Additional builder annotations
                for (String builderAnnotation : additionalBuilderAnnotations) {
                    jw.emitAnnotation(builderAnnotation);
                }

                jw.beginType(builder, "class", EnumSet.of(Modifier.PUBLIC, Modifier.FINAL));

                if (!fragment.getBundlerVariableMap().isEmpty()) {
                    jw.emitEmptyLine();
                    for (Map.Entry<String, String> e : fragment.getBundlerVariableMap().entrySet()) {
                        jw.emitField(e.getKey(), e.getValue(),
                                EnumSet.of(Modifier.PRIVATE, Modifier.FINAL, Modifier.STATIC),
                                "new " + e.getKey() + "()");
                    }
                }
                jw.emitEmptyLine();
                jw.emitField("Bundle", "mArguments", EnumSet.of(Modifier.PRIVATE, Modifier.FINAL),
                        "new Bundle()");
                jw.emitEmptyLine();

                Set<ArgumentAnnotatedField> required = fragment.getRequiredFields();

                String[] args = new String[required.size() * 2];
                int index = 0;

                for (ArgumentAnnotatedField arg : required) {
                    boolean annotate = supportAnnotations && !arg.isPrimitive();
                    args[index++] = annotate ? "@NonNull " + arg.getType() : arg.getType();
                    args[index++] = arg.getVariableName();
                }
                jw.beginMethod(null, builder, EnumSet.of(Modifier.PUBLIC), args);

                for (ArgumentAnnotatedField arg : required) {
                    writePutArguments(jw, arg.getVariableName(), "mArguments", arg);
                }

                jw.endMethod();

                if (!required.isEmpty()) {
                    jw.emitEmptyLine();
                    writeNewFragmentWithRequiredMethod(builder, fragmentClass, jw, args);
                }

                Set<ArgumentAnnotatedField> optionalArguments = fragment.getOptionalFields();

                for (ArgumentAnnotatedField arg : optionalArguments) {
                    writeBuilderMethod(builder, jw, arg);
                }

                jw.emitEmptyLine();
                writeBuildBundleMethod(jw);

                jw.emitEmptyLine();
                writeInjectMethod(jw, fragmentClass, fragment);

                jw.emitEmptyLine();
                writeBuildMethod(jw, fragmentClass);

                jw.endType();

                autoMapping.put(qualifiedFragmentName, qualifiedBuilderName);
            } catch (IOException e) {
                processingExceptions.add(
                        new ProcessingException(fragmentClass, "Unable to write builder for type %s: %s",
                                fragmentClass, e.getMessage()));
            } catch (ProcessingException e) {
                processingExceptions.add(e);
                if (jfo != null) {
                    jfo.delete();
                }
            } finally {
                if (jw != null) {
                    try {
                        jw.close();
                    } catch (IOException e1) {
                        processingExceptions.add(new ProcessingException(fragmentClass,
                                "Unable to close javawriter while generating builder for type %s: %s",
                                fragmentClass, e1.getMessage()));
                    }
                }
            }
        }

        // Write the automapping class
        if (origHelper != null && !isLibrary) {
            try {
                writeAutoMapping(autoMapping, origHelper);
            } catch (ProcessingException e) {
                processingExceptions.add(e);
            }
        }

        // Print errors
        for (ProcessingException e : processingExceptions) {
            error(e);
        }

        return true;
    } 
                            #location 49 
                            #vulnerability type THREAD_SAFETY_VIOLATION