Module: kamailio Branch: master Commit: 18a3a5aa66434b995d51c85d016da0092b0c6c41 URL: https://github.com/kamailio/kamailio/commit/18a3a5aa66434b995d51c85d016da00… Author: jaybeepee &lt;jason.penton(a)gmail.com&gt; Committer: jaybeepee &lt;jason.penton(a)gmail.com&gt; Date: 2016-09-26T13:21:10+02:00 ims_usrloc_scscf: fixed derefenrecing of already freed subscription --- Modified: modules/ims_usrloc_scscf/impurecord.c --- Diff: https://github.com/kamailio/kamailio/commit/18a3a5aa66434b995d51c85d016da00… Patch: https://github.com/kamailio/kamailio/commit/18a3a5aa66434b995d51c85d016da00… --- diff --git a/modules/ims_usrloc_scscf/impurecord.c b/modules/ims_usrloc_scscf/impurecord.c index 8485e56..908b76a 100644 --- a/modules/ims_usrloc_scscf/impurecord.c +++ b/modules/ims_usrloc_scscf/impurecord.c @@ -362,7 +362,7 @@ static inline void process_impurecord(impurecord_t* _r) { ucontact_t* ptr; int hascontacts; udomain_t* _d; - reg_subscriber *s; + reg_subscriber *s, *next; subs_t* sub_dialog; int dbwork = 0; @@ -371,6 +371,7 @@ static inline void process_impurecord(impurecord_t* _r) { s = _r->shead; LM_DBG("Checking validity of IMPU: <%.*s> registration subscriptions\n", _r->public_identity.len, _r->public_identity.s); while (s) { + next = s->next; if (!valid_subscriber(s, act_time)) { LM_DBG("DBG:registrar_timer: Subscriber with watcher_contact <%.*s> and presentity uri <%.*s> expired and removed.\n", s->watcher_contact.len, s->watcher_contact.s, s->presentity_uri.len, s->presentity_uri.s); @@ -397,7 +398,7 @@ static inline void process_impurecord(impurecord_t* _r) { lock_release(&sub_dialog_table[sl].lock); mustdeleteimpu = 0; } - s = s->next; + s = next; } LM_DBG("\tPublic Identity %.*s, Barred: [%d], State: [%s]\n",