[OpenSIPS-Devel] [OpenSIPS/opensips] 447644: aaa_diameter: Fix PKG malloc usage with threads

[Liviu Chircu]

  Branch: refs/heads/4.0
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 447644f330a0a89c53716c65141d6190cb76835e
      https://github.com/OpenSIPS/opensips/commit/447644f330a0a89c53716c65141d6190cb76835e
  Author: Liviu Chircu <liviu at opensips.org>
  Date:   2026-09-21 (Mon, 21 Sep 2026)

  Changed paths:
    M modules/aaa_diameter/dm_impl.c

  Log Message:
  -----------
  aaa_diameter: Fix PKG malloc usage with threads

Avoid using pkg_malloc() in freeDiameter callbacks which can be
concurrently called from various worker threads.  Use a thread-safe
allocation function instead, such as system malloc().

Also restrict the thread-local cJSON SHM hooks to the operations that
require them and remove a redundant protected hash lookup.

Many thanks to Andrii Pogrebennyk from NGVoice for the report and an
initial version of this patch.

(cherry picked from commit caebd8e068e070eab8b6f34f93bc23cbf5b47273)



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