[OpenSIPS-Devel] [OpenSIPS/opensips] c9753a: SIP PN Support: Fix a rare NULL pointer dereference

[Liviu Chircu]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: c9753a0505b936f7d423f839a550a43bc73c7f2a
      https://github.com/OpenSIPS/opensips/commit/c9753a0505b936f7d423f839a550a43bc73c7f2a
  Author: Liviu Chircu <liviu at opensips.org>
  Date:   2020-07-09 (Thu, 09 Jul 2020)

  Changed paths:
    M lib/reg/pn.c

  Log Message:
  -----------
  SIP PN Support: Fix a rare NULL pointer dereference

This fixes a possible crash when using a non-standard list of
PN-matching parameters (e.g. something different than
    [provider, prid, param]).

CID #211368