وَقَدْ قَالَ بَعْضُ السَّلَفِ : حُبُّ أَبِي بَكْرٍ وَعُمَرَ إيمَانٌ ؛ وَبُغْضُهُمَا نِفَاقٌ .

And surely some of the Salaf have said:

Loving Abu Bakr & ‘Umar is ‘Eeman, and disliking them is hypocrisy.

Source: Majmoo’ Fataawa of Shaykhul Islaam ibn Taymiyyah