Branch: refs/heads/3.3
Home: https://github.com/OpenSIPS/opensips
Commit: 837cbbcb3be095ee62576e91fb98dfcea661e7dd
https://github.com/OpenSIPS/opensips/commit/837cbbcb3be095ee62576e91fb98dfcea661e7dd
Author: Liviu Chircu <li...@opensips.org>
Date: 2023-01-04 (Wed, 04 Jan 2023)
Changed paths:
M modules/dialog/dlg_handlers.c
Log Message:
-----------
dialog: Fix a race condition on mid-dlg Contact updates
The "contact update on mid-dialog 2xx reply" logic may be invoked in
parallel, in case two simultaneous UPDATE transactions are being
processed, for example. This patch adds locking, to prevent a possible
abort due to "double free" while updating the Contact.
Also fix a small bug where the dialog is still flagged with
DLG_FLAG_CHANGED, despite the malloc() failing during Contact update.
(cherry picked from commit 7dfe2857eef8e109e2c984867eb5e80193f220e1)
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