From 254cabb558cc6152ae892d2a71e65f7cedbd1a38 Mon Sep 17 00:00:00 2001 From: Aram Sargsyan Date: Tue, 4 Jan 2022 18:49:20 +0000 Subject: [PATCH] Fix a memory leak in dns_dlzcreate() dns_dlzcreate() fails to free the memory allocated for dlzname when an error occurs. Free dlzname's memory (acquired earlier with isc_mem_strdup()) by calling isc_mem_free() before returning an error code. (cherry picked from commit 4a6c66288ff831a3450e6472605d3ef8d668eac7) Conflict: NA Reference: https://gitlab.isc.org/isc-projects/bind9/-/commit/254cabb558cc6152ae892d2a71e65f7cedbd1a38 --- lib/dns/dlz.c | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/dns/dlz.c b/lib/dns/dlz.c index cc0b17e5d2..20e3f545bf 100644 --- a/lib/dns/dlz.c +++ b/lib/dns/dlz.c @@ -230,6 +230,7 @@ dns_dlzcreate(isc_mem_t *mctx, const char *dlzname, const char *drivername, /* impinfo->methods->create failed. */ RWUNLOCK(&dlz_implock, isc_rwlocktype_read); + isc_mem_free(mctx, db->dlzname); isc_mem_put(mctx, db, sizeof(dns_dlzdb_t)); return (result); } -- 2.23.0