Bug #11291: [PATCH] Check SPECIAL_CONST_P before RBASIC_CLASS to avoid SEGV

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: ruby 2.2.2p95 (2015-04-13 revision 50295) [x86_64-linux]
• Backport: 2.0.0: UNKNOWN, 2.1: DONE, 2.2: DONE

[eagletmt (Kohei Suzuki)]

https://github.com/ruby/ruby/pull/943

It fixes SEGV when a special constant is passed to ObjectSpace.dump .
I think it needs to be backported to 2.1 and 2.2.

[sorah (Sorah Fukumori)]

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

[sorah (Sorah Fukumori)]

• Status changed from Open to Closed

Applied in changeset r50982.

---

• ext/objspace/objspace_dump.c(dump_object): Return empty JSON object when
  passed object is a special const, instead of SEGV.
  Based patch by Kohei Suzuki (eagletmt). [ruby-core:69692] [Bug #11291]

• test/objspace/test_objspace.rb(test_dump_special_consts): Test for above fix.

[sorah (Sorah Fukumori)]

• Related to Feature #11292: objspace: Dump type of special consts added

[nagachika (Tomoyuki Chikanaga)]

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

Backported into ruby_2_2 branch at r51047.

[usa (Usaku NAKAMURA)]

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

ruby_2_1 r51059 merged revision(s) 50982,50983.