Module: kamailio Branch: master Commit: 3f92119fe168baf516738be4be8142bd2c467760 URL: https://github.com/kamailio/kamailio/commit/3f92119fe168baf516738be4be8142b… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: GitHub <noreply(a)github.com> Date: 2016-07-19T22:01:01+02:00 Merge pull request #717 from athonet-open/fix_shutdown_presence presence: fix potential double free in shutdown routine --- Modified: modules/presence/hash.c --- Diff: https://github.com/kamailio/kamailio/commit/3f92119fe168baf516738be4be8142b… Patch: https://github.com/kamailio/kamailio/commit/3f92119fe168baf516738be4be8142b… --- 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;