Issue #20042 has been updated by nagachika (Tomoyuki Chikanaga). Backport changed from 3.0: REQUIRED, 3.1: REQUIRED, 3.2: REQUIRED to 3.0: REQUIRED, 3.1: REQUIRED, 3.2: DONE ruby_3_2 0cc0e43745ffc13a596441adccee295274d99a0b merged revision(s) f9a48548cf3ef54fc0a385ccd78c708737055ecc. ---------------------------------------- Bug #20042: ObjectSpace finalizer can cause segfault https://bugs.ruby-lang.org/issues/20042#change-106306 * Author: ioquatix (Samuel Williams) * Status: Closed * Priority: Normal * Assignee: ko1 (Koichi Sasada) * Backport: 3.0: REQUIRED, 3.1: REQUIRED, 3.2: DONE ---------------------------------------- ```ruby class Finalizer def call # <- missing (id) argument end end object = Object.new ObjectSpace.define_finalizer(object, Finalizer.new) object = nil GC.start # segfaults here ``` -- https://bugs.ruby-lang.org/