[OpenSIPS-Devel] [OpenSIPS/opensips] e8344e: fraud_detection: Fix possible SHM allocation bug w...

[Liviu Chircu]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: e8344e88fed2ac2ef9f3737e619f38361d949fc3
      https://github.com/OpenSIPS/opensips/commit/e8344e88fed2ac2ef9f3737e619f38361d949fc3
  Author: Liviu Chircu <liviu at opensips.org>
  Date:   2024-07-04 (Thu, 04 Jul 2024)

  Changed paths:
    M modules/drouting/dr_api_internal.c

  Log Message:
  -----------
  fraud_detection: Fix possible SHM allocation bug w/ prefixless rules

During the check_fraud() call, in case dr_binds.match_number() finds a
prefixless route, the output @matched_len is un-initialized, potentially
leading to a bogus map.get_map() call and arbitrary-sized shm_malloc().

Many thanks to @okhowang for spotting the bug!

Closes #3413



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