Bug #10707: Segmentation fault when get refined new method in BasicObject

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: ruby 2.3.0dev (2015-01-07 trunk 49171) [x86_64-darwin13]
• Backport: 2.0.0: DONTNEED, 2.1: DONE, 2.2: DONE

[hanachin (Seiei Miyagi)]

following code cause SEGV in ruby-trunk, 2.2.0, 2.1.5

module RefinementBug
  refine BasicObject do
    def foo
    end
  end
end

method(:foo)

it should be raise NameError like:

/Users/hanachin/tmp/bug.rb:8:in `method': undefined method `foo' for class `Object' (NameError)
	from /Users/hanachin/tmp/bug.rb:8:in `<main>'

[hanachin (Seiei Miyagi)]

• File 0001-vm_method.c-no-klass-no-method-entry.patch 0001-vm_method.c-no-klass-no-method-entry.patch added

i wrote a patch for this.

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed
• % Done changed from 0 to 100

Applied in changeset r49184.

---

vm_method.c: no super klass, no original method entry

• vm_method.c (rb_method_entry): if no super class, no original
  method entry. [ruby-core:67389] [Bug #10707]

[nagachika (Tomoyuki Chikanaga)]

• Backport changed from 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN to 2.0.0: UNKNOWN, 2.1: REQUIRED, 2.2: REQUIRED

[usa (Usaku NAKAMURA)]

• Backport changed from 2.0.0: UNKNOWN, 2.1: REQUIRED, 2.2: REQUIRED to 2.0.0: DONTNEED, 2.1: REQUIRED, 2.2: REQUIRED

[naruse (Yui NARUSE)]

• Backport changed from 2.0.0: DONTNEED, 2.1: REQUIRED, 2.2: REQUIRED to 2.0.0: DONTNEED, 2.1: REQUIRED, 2.2: DONE

ruby_2_2 r49331 merged revision(s) 49184.

[nagachika (Tomoyuki Chikanaga)]

• Backport changed from 2.0.0: DONTNEED, 2.1: REQUIRED, 2.2: DONE to 2.0.0: DONTNEED, 2.1: DONE, 2.2: DONE

Backported into ruby_2_1 branch at r50131.