[sr-dev] git:master:5a1f80f2: xprint: check to avoid double free

Module: kamailio Branch: master Commit: 5a1f80f266069dbc453b44a856f225c254e7c050 URL: https://github.com/kamailio/kamailio/commit/5a1f80f266069dbc453b44a856f225c… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)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/5a1f80f266069dbc453b44a856f225c… Patch: https://github.com/kamailio/kamailio/commit/5a1f80f266069dbc453b44a856f225c… --- 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));