Issue #15490 has been updated by matthew.oriordan (Matthew O'Riordan).

ruby -v changed from ruby 2.6.0p0 (2018-12-25 revision 66547) [x86_64-darwin18] to ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-darwin18]

This issue is still happening with the latest version of Ruby 2.6.3.  Happy to provide more logs / run tests if I can help.

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Bug #15490: socket.rb - recurring segmentation faults
https://bugs.ruby-lang.org/issues/15490#change-77932

* Author: matthew.oriordan (Matthew O'Riordan)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-darwin18]
* Backport: 2.4: UNKNOWN, 2.5: UNKNOWN, 2.6: UNKNOWN
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With Ruby 2.5.3p105 and now with Ruby 2.6.0 following our recent upgrade, we are sadly still seeing reasonably frequent segmentation faults from Ruby, specifically within socket.rb

Looking in socket.rb, it seems it's related to the address lookup:

    Addrinfo.getaddrinfo(nodename, service, family, socktype, protocol, flags).each(&block)

Segfault report below in full.  Attached are diagnostic reports too.  If there is anything I can do to help reproduce I will, however sadly I have never been able to reproduce reliably, yet sadly it happens once every few days.


---Files--------------------------------
ruby_2018-12-31-032126-2_MacBook-Pro.crash (46.8 KB)
ruby_2018-12-31-032126-3_MacBook-Pro.crash (46.8 KB)
ruby_2018-12-31-032126-1_MacBook-Pro.crash (46.8 KB)
ruby_2018-12-31-032125_MacBook-Pro.crash (46.8 KB)
bug-15490.log (833 KB)


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