Issue #19841 has been updated by nagachika (Tomoyuki Chikanaga). Backport changed from 3.1: REQUIRED, 3.2: REQUIRED, 3.3: REQUIRED, 3.4: DONE to 3.1: REQUIRED, 3.2: REQUIRED, 3.3: DONE, 3.4: DONE ruby_3_3 commit:d2eda78e4091a99c1a387d43967af5794d8eac70 merged revision(s) commit:9459bedd84d479bb1d7d3d40bada1cecb4701c37. ---------------------------------------- Bug #19841: Marshal.dump stack overflow with recursive Time https://bugs.ruby-lang.org/issues/19841#change-112477 * Author: segiddins (Samuel Giddins) * Status: Closed * ruby -v: 3.2.2 * Backport: 3.1: REQUIRED, 3.2: REQUIRED, 3.3: DONE, 3.4: DONE ---------------------------------------- ``` ruby #!/usr/bin/env ruby puts RUBY_VERSION t = Time.at(0, 1, :nanosecond) t.instance_variable_set :@itself, t Marshal.dump(t) ``` Yields a stack overflow error from the `Marshal.dump` call, even though Marshal is explicitly able to handle cyclical references -- https://bugs.ruby-lang.org/