Bug #20149: Fix memory leak in IPSocket rb_getaddrinfo

• Status: Closed
• Assignee: -
• Target version: -
• Backport: 3.0: DONTNEED, 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONE

[HParker (Adam Hess)]

PR: https://github.com/ruby/ruby/pull/9413

Fixes a memory leak pthread_attr is created, but never cleaned up

require 'socket'

10.times do
  10_000.times do
    IPSocket.getaddress("localhost")
  end

  puts `ps -o rss= -p #{$$}`
end

before:

26744
33400
39928
46328
53240
59640
66168
72696
79352
85880

after:

20864
20864
20864
20864
20864
20992
20992
20992
20992
21120

This likely needs a backport to Ruby 3.3 series.

[peterzhu2118 (Peter Zhu)]

• Backport changed from 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN to 3.0: DONTNEED, 3.1: DONTNEED, 3.2: DONTNEED, 3.3: REQUIRED

[jeremyevans0 (Jeremy Evans)]

• Status changed from Open to Closed

[naruse (Yui NARUSE)]

• Backport changed from 3.0: DONTNEED, 3.1: DONTNEED, 3.2: DONTNEED, 3.3: REQUIRED to 3.0: DONTNEED, 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONE

ruby_3_3 2886564279dff87a6c293f6e80436eb2b309967e merged revision(s) 6aacbd690ccde53f9b97c6673482cb11df3f2955.