[OpenSIPS-Devel] [OpenSIPS/opensips] ce3c4c: HP_MALLOC: Fix a shm_realloc() concurrency issue
Liviu Chircu
noreply at github.com
Tue Feb 4 11:20:59 EST 2020
Branch: refs/heads/2.4
Home: https://github.com/OpenSIPS/opensips
Commit: ce3c4c553d28fd92709d9a051a1781d3b58b444a
https://github.com/OpenSIPS/opensips/commit/ce3c4c553d28fd92709d9a051a1781d3b58b444a
Author: Liviu Chircu <liviu at opensips.org>
Date: 2020-02-04 (Tue, 04 Feb 2020)
Changed paths:
M mem/hp_malloc.c
Log Message:
-----------
HP_MALLOC: Fix a shm_realloc() concurrency issue
On a fragment shrink operation, we must also grab the lock on the
resulting fragment before inserting it (this cannot be an _unsafe
operation!)
Many thanks to 46Labs and Răzvan Crainea for helping troubleshoot this
(cherry picked from commit ff7ba6e2dd05fbc4989561d7a4582cb11cbb01ba)
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