The Sufficient (Vol 7) · Hadith 759 (#Ḥadīth #7)
Chapter 2 | The False Oath
7- أَبُو عَلِيٍّ الأشْعَرِيُّ عَنْ مُحَمَّدِ بْنِ حَسَّانَ عَنْ مُحَمَّدِ بْنِ عَلِيٍّ عَنْ عَلِيِّ بْنِ حَمَّادٍ عَنِ ابْنِ أَبِي يَعْفُورٍ عَنْ أَبِي عَبْدِ اللهِ قَالَ الْيَمِينُ الْغَمُوسُ يُنْتَظَرُ بِهَا أَرْبَعِينَ لَيْلَةً.
7. Abu Ali al-Ash‘ariy has narrated from Muhammad ibn Hassan from Muhammad ibn Ali from Ali ibn Fiammad from ibn abu Ya’fur who has narrated the following: “Abu ‘Abd Allah , has said, ‘One who takes a sinful oath can wait only for forty nights (before being struck by misfortune).”’
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).