From: Michal Nowak <mnowak@isc.org>
Date: Mon, 29 Jun 2026 11:42:13 +0000 (+0000)
Subject: Initialize rrbuffer in towire_answer()
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6dc6b5b9b86cf573692b7ad644f8ed96def117eb;p=thirdparty%2Fbind9.git

Initialize rrbuffer in towire_answer()

Initialize rrbuffer from *target, like the adjacent savedbuffer, to
silence a scan-build uninitialized-read false positive:

    lib/dns/rdataset.c:423:3: warning: 2nd function call argument is an uninitialized value [core.CallAndMessage]

Assisted-by: Claude:claude-opus-4-8
---

diff --git a/lib/dns/rdataset.c b/lib/dns/rdataset.c
index a90bb9f99e0..704f214186d 100644
--- a/lib/dns/rdataset.c
+++ b/lib/dns/rdataset.c
@@ -369,7 +369,7 @@ dns_rdataset_towire(dns_rdataset_t *rdataset, const dns_name_t *owner_name,
 		    bool partial, unsigned int options, unsigned int *countp) {
 	isc_result_t result;
 	isc_buffer_t savedbuffer = *target;
-	isc_buffer_t rrbuffer;
+	isc_buffer_t rrbuffer = *target;
 	dns_fixedname_t fixed;
 	dns_name_t *name = NULL;