[asterisk-bugs] [JIRA] (ASTERISK-27270) various crashes at second module reload if cdr_mysql.conf is configured

[Tzafrir Cohen (JIRA)]

Tzafrir Cohen created ASTERISK-27270:
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             Summary: various crashes at second module reload if cdr_mysql.conf is configured
                 Key: ASTERISK-27270
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27270
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Addons/cdr_mysql
    Affects Versions: 13.17.1
         Environment: Centos 7
            Reporter: Tzafrir Cohen


Once we upgraded to 13.17.1, we noticed that 'module reload' occasionally causes crashes. Upon further research it seems that a second or third 'module reload' induces a crash.

Note: I did not attach core dumps. Crashes seem to come from random places roughly at the time of configuration reload.

The following work around the issue:
* Downgrading to 13.13.1 fixed the issue.
* avoiding loading cdr_mysql.so
* Empty cdr_mysql.conf or one that only has the line '[global]'
* Build dcr_mysql.c with the patch from f882ca25722b6290dc6e8d786452b0b26adceed1 reverted.

The following cdr_mysql.conf is good enough to induce a crash:
{code}
[global]
hostname=127.0.0.1
{code}



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