Bug #19365: Ractors can access non-shareable values through enumerators

• Status: Assigned
• Priority: Normal
• Assignee: ko1 (Koichi Sasada)
• Target version: -
• Backport: 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN

[luke-gru (Luke Gruber)]

I don't think enumerators should be able to be passed to Ractor.new

obj = Object.new # unshareable value
p obj
Ractor.new([obj].each) {|f| p f.first }.take

[hsbt (Hiroshi SHIBATA)]

• Status changed from Open to Assigned
• Assignee set to ko1 (Koichi Sasada)

[luke-gru (Luke Gruber)]

Or rather, maybe they should be allowed to be passed but the deep clone logic should change? Not sure.