diff --git a/.travis.yml b/.travis.yml
index c3eaaf2e4d..428f19d92b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,7 +28,7 @@ matrix:
         - php: 5.6
         - php: 7.0
           env: deps=high
-        - php: 7.1
+        - php: 7.0
           env: deps=low
     fast_finish: true
 
diff --git a/src/Symfony/Component/DependencyInjection/Compiler/ResolveDefinitionTemplatesPass.php b/src/Symfony/Component/DependencyInjection/Compiler/ResolveDefinitionTemplatesPass.php
index 8944235e8a..d06a799024 100644
--- a/src/Symfony/Component/DependencyInjection/Compiler/ResolveDefinitionTemplatesPass.php
+++ b/src/Symfony/Component/DependencyInjection/Compiler/ResolveDefinitionTemplatesPass.php
@@ -127,6 +127,7 @@ class ResolveDefinitionTemplatesPass implements CompilerPassInterface
         $def->setFile($parentDef->getFile());
         $def->setPublic($parentDef->isPublic());
         $def->setLazy($parentDef->isLazy());
+        $def->setAutowired($parentDef->isAutowired());
 
         // overwrite with values specified in the decorator
         $changes = $definition->getChanges();
@@ -151,6 +152,9 @@ class ResolveDefinitionTemplatesPass implements CompilerPassInterface
         if (isset($changes['deprecated'])) {
             $def->setDeprecated($definition->isDeprecated(), $definition->getDeprecationMessage('%service_id%'));
         }
+        if (isset($changes['autowire'])) {
+            $def->setAutowired($definition->isAutowired());
+        }
         if (isset($changes['decorated_service'])) {
             $decoratedService = $definition->getDecoratedService();
             if (null === $decoratedService) {
diff --git a/src/Symfony/Component/DependencyInjection/DefinitionDecorator.php b/src/Symfony/Component/DependencyInjection/DefinitionDecorator.php
index 217ac851be..f17657a3a1 100644
--- a/src/Symfony/Component/DependencyInjection/DefinitionDecorator.php
+++ b/src/Symfony/Component/DependencyInjection/DefinitionDecorator.php
@@ -134,6 +134,16 @@ class DefinitionDecorator extends Definition
         return parent::setDeprecated($boolean, $template);
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function setAutowired($autowired)
+    {
+        $this->changes['autowire'] = true;
+
+        return parent::setAutowired($autowired);
+    }
+
     /**
      * Gets an argument to pass to the service constructor/factory method.
      *
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Compiler/ResolveDefinitionTemplatesPassTest.php b/src/Symfony/Component/DependencyInjection/Tests/Compiler/ResolveDefinitionTemplatesPassTest.php
index 0ce7d3bc72..d31dcfcd7f 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Compiler/ResolveDefinitionTemplatesPassTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Compiler/ResolveDefinitionTemplatesPassTest.php
@@ -210,6 +210,36 @@ class ResolveDefinitionTemplatesPassTest extends \PHPUnit_Framework_TestCase
         $this->assertTrue($container->getDefinition('child1')->isLazy());
     }
 
+    public function testSetAutowiredOnServiceHasParent()
+    {
+        $container = new ContainerBuilder();
+
+        $container->register('parent', 'stdClass');
+
+        $container->setDefinition('child1', new DefinitionDecorator('parent'))
+            ->setAutowired(true)
+        ;
+
+        $this->process($container);
+
+        $this->assertTrue($container->getDefinition('child1')->isAutowired());
+    }
+
+    public function testSetAutowiredOnServiceIsParent()
+    {
+        $container = new ContainerBuilder();
+
+        $container->register('parent', 'stdClass')
+            ->setAutowired(true)
+        ;
+
+        $container->setDefinition('child1', new DefinitionDecorator('parent'));
+
+        $this->process($container);
+
+        $this->assertTrue($container->getDefinition('child1')->isAutowired());
+    }
+
     public function testDeepDefinitionsResolving()
     {
         $container = new ContainerBuilder();
diff --git a/src/Symfony/Component/DependencyInjection/Tests/DefinitionDecoratorTest.php b/src/Symfony/Component/DependencyInjection/Tests/DefinitionDecoratorTest.php
index 12122ff968..c42cf2350d 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/DefinitionDecoratorTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/DefinitionDecoratorTest.php
@@ -69,6 +69,16 @@ class DefinitionDecoratorTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(array('lazy' => true), $def->getChanges());
     }
 
+    public function testSetAutowired()
+    {
+        $def = new DefinitionDecorator('foo');
+
+        $this->assertFalse($def->isAutowired());
+        $this->assertSame($def, $def->setAutowired(false));
+        $this->assertFalse($def->isAutowired());
+        $this->assertEquals(array('autowire' => true), $def->getChanges());
+    }
+
     public function testSetArgument()
     {
         $def = new DefinitionDecorator('foo');
diff --git a/src/Symfony/Component/HttpFoundation/IpUtils.php b/src/Symfony/Component/HttpFoundation/IpUtils.php
index 82461d0159..28093be434 100644
--- a/src/Symfony/Component/HttpFoundation/IpUtils.php
+++ b/src/Symfony/Component/HttpFoundation/IpUtils.php
@@ -61,11 +61,14 @@ class IpUtils
      */
     public static function checkIp4($requestIp, $ip)
     {
+        if (!filter_var($requestIp, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
+            return false;
+        }
+
         if (false !== strpos($ip, '/')) {
             list($address, $netmask) = explode('/', $ip, 2);
 
             if ($netmask === '0') {
-                // Ensure IP is valid - using ip2long below implicitly validates, but we need to do it manually here
                 return filter_var($address, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4);
             }
 
diff --git a/src/Symfony/Component/HttpFoundation/Tests/IpUtilsTest.php b/src/Symfony/Component/HttpFoundation/Tests/IpUtilsTest.php
index 877053f0f3..a6d28a2943 100644
--- a/src/Symfony/Component/HttpFoundation/Tests/IpUtilsTest.php
+++ b/src/Symfony/Component/HttpFoundation/Tests/IpUtilsTest.php
@@ -37,6 +37,7 @@ class IpUtilsTest extends \PHPUnit_Framework_TestCase
             array(true, '1.2.3.4', '0.0.0.0/0'),
             array(true, '1.2.3.4', '192.168.1.0/0'),
             array(false, '1.2.3.4', '256.256.256/0'), // invalid CIDR notation
+            array(false, 'an_invalid_ip', '192.168.1.0/24'),
         );
     }