Module: kamailio Branch: master Commit: 81e9c4f965dcedccdc73f88c6b8f0c2ff09598c8 URL: https://github.com/kamailio/kamailio/commit/81e9c4f965dcedccdc73f88c6b8f0c2f...

Author: Daniel-Constantin Mierla miconda@gmail.com Committer: Daniel-Constantin Mierla miconda@gmail.com Date: 2025-06-27T13:41:29+02:00

core: log file and line for dns hash remove entry with high refcnt

---

Modified: src/core/dns_cache.c

---

Diff: https://github.com/kamailio/kamailio/commit/81e9c4f965dcedccdc73f88c6b8f0c2f... Patch: https://github.com/kamailio/kamailio/commit/81e9c4f965dcedccdc73f88c6b8f0c2f...

---

diff --git a/src/core/dns_cache.c b/src/core/dns_cache.c index 9f6e47781f2..fbc5e83f27c 100644 --- a/src/core/dns_cache.c +++ b/src/core/dns_cache.c @@ -484,18 +484,24 @@ int init_dns_cache_stats(int iproc_num) /* must be called with the DNS_LOCK hold * removes an entry from the hash, dec. its refcnt and if not referenced * anymore deletes it */ -inline static void _dns_hash_remove(struct dns_hash_entry *e) +inline static void _dns_hash_remove_entry( + struct dns_hash_entry *e, char *fpath, unsigned int line) { clist_rm(e, next, prev); e->next = e->prev = 0; - debug_lu_lst("_dns_hash_remove: pre rm:", &e->last_used_lst); + debug_lu_lst("dns hash remove: pre rm:", &e->last_used_lst); clist_rm(&e->last_used_lst, next, prev); - debug_lu_lst("_dns_hash_remove: post rm:", &e->last_used_lst); + debug_lu_lst("dns hash remove: post rm:", &e->last_used_lst); e->last_used_lst.next = e->last_used_lst.prev = 0; *dns_cache_mem_used -= e->total_size; + if(atomic_get_int(&e->refcnt) > 1) { + LM_INFO("item %p with high refcnt %d (%s:%u)\n", e, + atomic_get_int(&e->refcnt), fpath, line); + } dns_hash_put(e); }

+#define _dns_hash_remove(e) _dns_hash_remove_entry(e, __FILE__, __LINE__)

/* non locking version (the dns hash must _be_ locked externally) * returns 0 when not found, or the entry on success (an entry with a