- **status**: review --> fixed
- **assigned_to**: Vu Minh Nguyen --> nobody
- **Comment**:
changeset: 8654:bdc938d5787e
tag: tip
user: Vu Minh Nguyen <[email protected]>
date: Mon Mar 06 16:38:37 2017 +0700
summary: log: fix leak memory in socket destination handler [#2344]
---
** [tickets:#2344] log: leak memory in unix domain socket destination handler**
**Status:** fixed
**Milestone:** 5.2.RC1
**Created:** Sun Mar 05, 2017 05:41 PM UTC by Vu Minh Nguyen
**Last Updated:** Mon Mar 06, 2017 12:11 PM UTC
**Owner:** nobody
When updating the data store in the configuration handler a dynamic buffer is
used. Data is added to this buffer using function lgs_cfgupd_list_create()
which is also used by the help function lgs_cfgupd_mutival_replace(). When the
buffer is created and expanded when adding more attributes memory is allocated
that must be freed when the buffer is no longer used.
In function `void DestinationHandler::UpdateRtDestStatus()`, it uses
`lgs_cfgupd_mutival_replace()` to update `logRecordDestinationStatus` but not
freeing buffer at the end of the function.
The allocated buffer needs to be freed by following code line:
```C
// Free memory allocated for the config_data buffer
if (config_data.ckpt_buffer_ptr != NULL)
free(config_data.ckpt_buffer_ptr);
```
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