[sr-dev] git:master:7dd643a8: dlgs: safety check for accessing next field

Module: kamailio Branch: master Commit: 7dd643a88fd7944ee86b795298c76e6d5fd58b8f URL: https://github.com/kamailio/kamailio/commit/7dd643a88fd7944ee86b795298c76e6… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2021-04-08T09:36:49+02:00 dlgs: safety check for accessing next field --- Modified: src/modules/dlgs/dlgs_records.c --- Diff: https://github.com/kamailio/kamailio/commit/7dd643a88fd7944ee86b795298c76e6… Patch: https://github.com/kamailio/kamailio/commit/7dd643a88fd7944ee86b795298c76e6… --- diff --git a/src/modules/dlgs/dlgs_records.c b/src/modules/dlgs/dlgs_records.c index 1f6af22ba3..d3084084d5 100644 --- a/src/modules/dlgs/dlgs_records.c +++ b/src/modules/dlgs/dlgs_records.c @@ -970,7 +970,9 @@ void dlgs_ht_timer(unsigned int ticks, void *param) it->prev = NULL; } } else { - ite->prev->next = it; + if(ite->prev) { + ite->prev->next = it; + } if(it!=NULL) { it->prev = ite->prev; }