[asterisk-bugs] [JIRA] (ASTERISK-28288) Resources (udptl fd) leaking for T.38 calls

[Paulo Vicentini (JIRA)]

Paulo Vicentini created ASTERISK-28288:
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             Summary: Resources (udptl fd) leaking for T.38 calls
                 Key: ASTERISK-28288
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28288
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_pjsip
    Affects Versions: 13.25.0
         Environment: Asterisk 13 
            Reporter: Paulo Vicentini
            Severity: Critical


Resources are leaking (udptl file descriptors) due to unbalanced references for datastore "t38_session_media"

A {code}ao2_ref(datastore, -1) {code} is missing within the create_datastore_session_media function (res/res_pjsip_t38.c)

With this patch udptl will no longer leak:

Before a T.38 call 
asterisk 16999 root   10u  IPv4 206981      0t0  UDP *:45182                                                              
asterisk 16999 root   11u  IPv6 206982      0t0  UDP *:50922                                                              
asterisk 16999 root   12u  IPv6 206087      0t0  UDP *:sip   
asterisk 16999 root   13u  IPv4 206987      0t0  UDP *:sip    

During T.38 call
COMMAND    PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
asterisk 16999 root   10u  IPv4 206981      0t0  UDP *:45182 
asterisk 16999 root   11u  IPv6 206982      0t0  UDP *:50922 
asterisk 16999 root   12u  IPv6 206087      0t0  UDP *:sip 
asterisk 16999 root   13u  IPv4 206987      0t0  UDP *:sip 
asterisk 16999 root   22u  IPv6 218819      0t0  UDP *:12622 
asterisk 16999 root   23u  IPv6 222708      0t0  UDP *:12623 
asterisk 16999 root   28u  IPv6 223401      0t0  UDP *:11508 
asterisk 16999 root   29u  IPv6 223406      0t0  UDP *:11509 
asterisk 16999 root   32u  IPv6 224527      0t0  UDP *:22791 
asterisk 16999 root   33u  IPv6 224528      0t0  UDP *:21611 

T.38 call finished 
COMMAND    PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
asterisk 16999 root   10u  IPv4 206981      0t0  UDP *:45182 
asterisk 16999 root   11u  IPv6 206982      0t0  UDP *:50922 
asterisk 16999 root   12u  IPv6 206087      0t0  UDP *:sip 
asterisk 16999 root   13u  IPv4 206987      0t0  UDP *:sip





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