propagate_exception(9)

💖 NAME 💖

okay so bestie, this is propagate_exception(9) — the propagate_exception entry from the Kernel API Manual — and it propagates a new exception to the children. highkey iconic behavior, no cap. 💅

🌸 SYNOPSIS 🌸

the function signature is right here, copy it exactly because we do not edit code in this group chat:

int propagate_exception (struct dev_cgroup *devcg_root , struct
       dev_exception_item *ex );

🎀 ARGUMENTS 🎀

• devcg_root — the device cgroup that added a new exception. main character energy fr fr. 👑
• ex — the new exception to be propagated. that's the little package being sent along, iykyk. 🎁

✨ RETURN ✨

0 in case of success, != 0 in case of error. literally that simple, bestie. 💖

🔥 SEE ALSO 🔥

Kernel file ./security/device_cgroup.c — the related lore is all here:

• dev_exception_clean(9)
• devcgroup_online(9)
• match_exception(9)
• match_exception_partial(9)
• verify_new_ex(9)
• parent_allows_removal(9)
• may_allow_all(9)
• revalidate_active_exceptions(9)
• devcgroup_legacy_check_permission(9)

🍓 cute sign-off: source ./security, date October 2026 — periodt, bestie, go slay those exceptions. 💋