Deadlock or abort in check_pf after calling getaddrinfo

Solution Unverified - Updated -

Issue

  • Process stuck in getaddrinfo()/make_request() forever.
  • On RHEL 7 application aborted with error
"Unexpected error <number> on netlink descriptor <number>"
 or
"Unexpected netlink response of size <number> on  descriptor <number>".

Environment

  • Red Hat Enterprise Linux (RHEL) 6.
  • Red Hat Enterprise Linux (RHEL) 7.

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