Branch: refs/heads/3.2
Home: https://github.com/OpenSIPS/opensips
Commit: ba938f9d76b277e0cb9f4cf27f7ea46bd89ca917
https://github.com/OpenSIPS/opensips/commit/ba938f9d76b277e0cb9f4cf27f7ea46bd89ca917
Author: Bogdan-Andrei Iancu <[email protected]>
Date: 2022-10-27 (Thu, 27 Oct 2022)
Changed paths:
M modules/tracer/tracer.c
Log Message:
-----------
[tracer] avoid parsing the shm cloned SIP msg
The TM TMCB_MSG_SENT_OUT callback may be called when doing a retransmission for
a locally generated request. If for the original sending, a pkg malloc'ed
sip_msg is passed to TMCB_MSG_SENT_OUT callback, for the retransmissions the
shm cloned sip_msg is passed. As the 'tracer' callback (on TMCB_MSG_SENT_OUT)
requires some FROM hdr parsing (to get the from tag), it should NOT parse
directly on the shm cloned SIP msg as it will tain the shm sip_msg with pkg
pointers -> better do a local parsing (not attached to the sip_msg) of the FROM
HDR.
This issue was leading to pkg leaking (of the parsed FROM hdr in the shm cloned
sip_msg) or it a crash if using failure route from the local route.
Note: this is specific to using tracer module from the local route.
Closes #2728
(cherry picked from commit 4eabea8a9eb0a08909854722972cd35164557c76)
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