La única solución que he visto fue una respuesta a una pregunta de stackoverflow. Publiqué el enlace a continuación. La respuesta a la que me refiero es la quinta. Sin embargo, parece que algunos usuarios tienen algunos problemas con la solución. No sé si hay otra categoría para evitar que dos controladores sean empujados al mismo tiempo. Cualquier sugerencia o sugerencia es apreciada.

#import "UINavigationController+Consistent.h"
#import <objc/runtime.h>
/// This char is used to add storage for the isPushingViewController property.
 static char const * const ObjectTagKey = "ObjectTag";

 @interface UINavigationController ()
 @property (readwrite,getter = isViewTransitionInProgress) BOOL viewTransitionInProgress;

 @end

@implementation UINavigationController (Consistent)

- (void)setViewTransitionInProgress:(BOOL)property {
NSNumber *number = [NSNumber numberWithBool:property];
objc_setAssociatedObject(self, ObjectTagKey, number , OBJC_ASSOCIATION_RETAIN);
}


- (BOOL)isViewTransitionInProgress {
NSNumber *number = objc_getAssociatedObject(self, ObjectTagKey);

return [number boolValue];
}


 #pragma mark - Intercept Pop, Push, PopToRootVC
 /// @name Intercept Pop, Push, PopToRootVC

 - (NSArray *)safePopToRootViewControllerAnimated:(BOOL)animated {
if (self.viewTransitionInProgress) return nil;
if (animated) {
    self.viewTransitionInProgress = YES;
}
//-- This is not a recursion, due to method swizzling the call below calls the original  method.
return [self safePopToRootViewControllerAnimated:animated];

 }


  - (NSArray *)safePopToViewController:(UIViewController *)viewController animated:(BOOL)animated {
if (self.viewTransitionInProgress) return nil;
if (animated) {
    self.viewTransitionInProgress = YES;
   }
//-- This is not a recursion, due to method swizzling the call below calls the original  method.
return [self safePopToViewController:viewController animated:animated];
   }


 - (UIViewController *)safePopViewControllerAnimated:(BOOL)animated {
if (self.viewTransitionInProgress) return nil;
if (animated) {
    self.viewTransitionInProgress = YES;
}
//-- This is not a recursion, due to method swizzling the call below calls the original  method.
return [self safePopViewControllerAnimated:animated];
 }



  - (void)safePushViewController:(UIViewController *)viewController animated:(BOOL)animated {
self.delegate = self;
//-- If we are already pushing a view controller, we dont push another one.
if (self.isViewTransitionInProgress == NO) {
    //-- This is not a recursion, due to method swizzling the call below calls the original  method.
    [self safePushViewController:viewController animated:animated];
    if (animated) {
        self.viewTransitionInProgress = YES;
    }
    }
    }


// This is confirmed to be App Store safe.
// If you feel uncomfortable to use Private API, you could also use the delegate method navigationController:didShowViewController:animated:.
- (void)safeDidShowViewController:(UIViewController *)viewController animated:(BOOL)animated {
//-- This is not a recursion. Due to method swizzling this is calling the original method.
[self safeDidShowViewController:viewController animated:animated];
self.viewTransitionInProgress = NO;
 }


// If the user doesnt complete the swipe-to-go-back gesture, we need to intercept it and set the flag to NO again.
 - (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated {
id<UIViewControllerTransitionCoordinator> tc = navigationController.topViewController.transitionCoordinator;
[tc notifyWhenInteractionEndsUsingBlock:^(id<UIViewControllerTransitionCoordinatorContext> context) {
    self.viewTransitionInProgress = NO;
    //--Reenable swipe back gesture.
    self.interactivePopGestureRecognizer.delegate = (id<UIGestureRecognizerDelegate>)viewController;
    [self.interactivePopGestureRecognizer setEnabled:YES];
}];
//-- Method swizzling wont work in the case of a delegate so:
//-- forward this method to the original delegate if there is one different than ourselves.
if (navigationController.delegate != self) {
    [navigationController.delegate navigationController:navigationController
                                 willShowViewController:viewController
                                               animated:animated];
}
}


  + (void)load {
//-- Exchange the original implementation with our custom one.
method_exchangeImplementations(class_getInstanceMethod(self,  @selector(pushViewController:animated:)), class_getInstanceMethod(self, @selector(safePushViewController:animated:)));
method_exchangeImplementations(class_getInstanceMethod(self, @selector(didShowViewController:animated:)), class_getInstanceMethod(self, @selector(safeDidShowViewController:animated:)));
method_exchangeImplementations(class_getInstanceMethod(self, @selector(popViewControllerAnimated:)), class_getInstanceMethod(self, @selector(safePopViewControllerAnimated:)));
method_exchangeImplementations(class_getInstanceMethod(self, @selector(popToRootViewControllerAnimated:)), class_getInstanceMethod(self, @selector(safePopToRootViewControllerAnimated:)));
method_exchangeImplementations(class_getInstanceMethod(self, @selector(popToViewController:animated:)), class_getInstanceMethod(self, @selector(safePopToViewController:animated:)));
 }

 @end

Error de la aplicación de iOS: no se puede agregar uno mismo como subvista