Module: kamailio
Branch: master
Commit: 5a1f80f266069dbc453b44a856f225c254e7c050
URL: 
https://github.com/kamailio/kamailio/commit/5a1f80f266069dbc453b44a856f225c254e7c050

Author: Daniel-Constantin Mierla <mico...@gmail.com>
Committer: Daniel-Constantin Mierla <mico...@gmail.com>
Date: 2024-07-22T10:02:09+02:00

xprint: check to avoid double free

---

Modified: src/modules/xprint/xp_lib.c

---

Diff:  
https://github.com/kamailio/kamailio/commit/5a1f80f266069dbc453b44a856f225c254e7c050.diff
Patch: 
https://github.com/kamailio/kamailio/commit/5a1f80f266069dbc453b44a856f225c254e7c050.patch

---

diff --git a/src/modules/xprint/xp_lib.c b/src/modules/xprint/xp_lib.c
index e4442ba87f4..b6fc5066556 100644
--- a/src/modules/xprint/xp_lib.c
+++ b/src/modules/xprint/xp_lib.c
@@ -1896,6 +1896,7 @@ int xl_mod_init()
                                                                
str_ipaddr.s[str_ipaddr.len] = '\0';
                                                        } else {
                                                                pkg_free(s);
+                                                               s = NULL;
                                                                str_ipaddr.len 
= 0;
                                                                
PKG_MEM_ERROR_FMT("for str_ipaddr\n");
                                                        }
@@ -1914,7 +1915,8 @@ int xl_mod_init()
                        }
                }
        }
-       pkg_free(s);
+       if(s != NULL)
+               pkg_free(s);
 
        DBG("Hostname:   %.*s\n", str_hostname.len, ZSW(str_hostname.s));
        DBG("Domainname: %.*s\n", str_domainname.len, ZSW(str_domainname.s));

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