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Merge branch '2935-cid-339035-1-of-1-explicit-null-dereferenced-forward_null' into 'main'

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Resolve "CID 339035 (#1 of 1): Explicit null dereferenced (FORWARD_NULL)"

Closes #2935

See merge request isc-projects/bind9!5470
This commit is contained in:
Mark Andrews 2021-10-11 23:16:22 +00:00
commit 60e444848c
2 changed files with 4 additions and 3 deletions
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3
CHANGES
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@ -1,3 +1,6 @@
5737. [bug] Address Coverity warning in lib/dns/dnssec.c.
[GL #2935]
5736. [placeholder]
5735. [cleanup] The result codes which BIND 9 uses internally are now

4
lib/dns/dnssec.c
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@ -943,7 +943,6 @@ dns_dnssec_signmessage(dns_message_t *msg, dst_key_t *key) {
dst_context_t *ctx = NULL;
isc_mem_t *mctx;
isc_result_t result;
bool signeedsfree = true;
REQUIRE(msg != NULL);
REQUIRE(key != NULL);
@ -1032,7 +1031,6 @@ dns_dnssec_signmessage(dns_message_t *msg, dst_key_t *key) {
dynbuf));
isc_mem_put(mctx, sig.signature, sig.siglen);
signeedsfree = false;
dns_message_takebuffer(msg, &dynbuf);
@ -1053,7 +1051,7 @@ failure:
if (dynbuf != NULL) {
isc_buffer_free(&dynbuf);
}
if (signeedsfree) {
if (sig.signature != NULL) {
isc_mem_put(mctx, sig.signature, sig.siglen);
}
if (ctx != NULL) {