[sr-dev] git:master:134fcbd3: presence: fix potential double free in shutdown routine

Module: kamailio Branch: master Commit: 134fcbd3b2fbb91e4206cceb1de9d1a3a0690ef6 URL: https://github.com/kamailio/kamailio/commit/134fcbd3b2fbb91e4206cceb1de9d1a… Author: IMS root <root@IMS> Committer: IMS root <root@IMS> Date: 2016-07-19T18:08:47+02:00 presence: fix potential double free in shutdown routine --- Modified: modules/presence/hash.c --- Diff: https://github.com/kamailio/kamailio/commit/134fcbd3b2fbb91e4206cceb1de9d1a… Patch: https://github.com/kamailio/kamailio/commit/134fcbd3b2fbb91e4206cceb1de9d1a… --- diff --git a/modules/presence/hash.c b/modules/presence/hash.c index 5c30291..50657e0 100644 --- a/modules/presence/hash.c +++ b/modules/presence/hash.c @@ -318,9 +318,14 @@ int delete_shtable(shtable_t htable,unsigned int hash_code,subs_t* subs) { found= s->local_cseq +1; ps->next= s->next; - if(s->contact.s!=NULL) + if(s->contact.s!=NULL) { shm_free(s->contact.s); - shm_free(s); + s->contact.s = NULL; + } + if (s) { + shm_free(s); + s = NULL; + } break; } ps= s;