[Console] Escape synopsis output

src/Symfony/Component/Console/Application.php

@@ -833,7 +833,7 @@ class Application implements ResetInterface
     private function finishRenderThrowableOrException(OutputInterface $output): void
     {
         if (null !== $this->runningCommand) {
-            $output->writeln(sprintf('<info>%s</info>', sprintf($this->runningCommand->getSynopsis(), $this->getName())), OutputInterface::VERBOSITY_QUIET);
+            $output->writeln(sprintf('<info>%s</info>', OutputFormatter::escape(sprintf($this->runningCommand->getSynopsis(), $this->getName()))), OutputInterface::VERBOSITY_QUIET);
             $output->writeln('', OutputInterface::VERBOSITY_QUIET);
         }
     }

src/Symfony/Component/Console/Tests/ApplicationTest.php

@@ -940,6 +940,23 @@ class ApplicationTest extends TestCase
         $this->assertStringContainsString('Dummy type "class@anonymous" is invalid.', $tester->getDisplay(true));
     }
 
+    public function testRenderExceptionEscapesLinesOfSynopsis()
+    {
+        $application = new Application();
+        $application->setAutoExit(false);
+        $application
+            ->register('foo')
+            ->setCode(function () {
+                throw new \Exception('some exception');
+            })
+            ->addArgument('info')
+        ;
+        $tester = new ApplicationTester($application);
+
+        $tester->run(['command' => 'foo'], ['decorated' => false]);
+        $this->assertStringMatchesFormatFile(self::$fixturesPath.'/application_rendersynopsis_escapesline.txt', $tester->getDisplay(true), '->renderException() escapes lines containing formatting of synopsis');
+    }
+
     public function testRun()
     {
         $application = new Application();

src/Symfony/Component/Console/Tests/Command/CommandTest.php

@@ -192,7 +192,8 @@ class CommandTest extends TestCase
         $command = new \TestCommand();
         $command->addOption('foo');
         $command->addArgument('bar');
-        $this->assertEquals('namespace:name [--foo] [--] [<bar>]', $command->getSynopsis(), '->getSynopsis() returns the synopsis');
+        $command->addArgument('info');
+        $this->assertEquals('namespace:name [--foo] [--] [<bar> [<info>]]', $command->getSynopsis(), '->getSynopsis() returns the synopsis');
     }
 
     public function testAddGetUsages()

src/Symfony/Component/Console/Tests/Fixtures/application_rendersynopsis_escapesline.txt

@@ -0,0 +1,7 @@
+
+In ApplicationTest.php line %d:
+                  
+  some exception  
+                  
+
+foo [<info>]