title: Memory Leak in libsystem_c.dylib strdup
body: <p>Getting memory leak in instruments when i m trying to test app. In app when i test youtube video in UIWebView it shows malloc Memory Leak in libsystem_c.dylib responsible framse showing is strdup. </p>
  
  <pre><code>-(void)LaunchVideo:(id)sender
  {
  
      self.videoURL = @"http://www.youtube.com/embed/0Xa4bHcJu8";
  
      //VideoViewController *videoViewController = [[[VideoViewController alloc] initWithNibName:nil bundle:nil] retain];
  
  VideoViewController *videoViewController = [[VideoViewController alloc] init];
  
  
      videoViewController.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
      videoViewController.videoURL = self.videoURL;
  
      [self presentModalViewController:videoViewController animated:YES];
  
      [videoViewController release];
  }
  </code></pre>
  
  <p>EDIT:</p>
  
  <p>Below is the stack trace:</p>
  
  <pre><code>0 libsystem_c.dylib malloc
  1 libsystem_c.dylib strdup
  2 libnotify.dylib token_table_add
  3 libnotify.dylib notify_register_check
  4 AVFoundation -[AVPlayer(AVPlayerMultitaskSupport) _iapdExtendedModeIsActive]
  6 AVFoundation -[AVQueuePlayer init]
  7 MediaPlayer -[MPQueuePlayer init]
  23 MediaPlayer -[UIMoviePlayerController setAutoRotationMask:]
  24 QuickTime Plugin 0x89473ce
  27 QuickTime Plugin 0x894f3bc
  28 libdispatch.dylib _dispatch_call_block_and_release
  29 libdispatch.dylib _dispatch_main_queue_callback_4CF$VARIANT$mp
  30 CoreFoundation __CFRunLoopRun
  32 CoreFoundation CFRunLoopRunInMode
  33 GraphicsServices GSEventRunModal
  34 UIKit UIApplicationMain
  </code></pre>
  
  <p>Anyone can tell why the leak is and what is the cause.</p>
  
  <p>Thanks.</p>