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Fix a bug in dns_tkey_processquery()

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The 'keyname' variable could be used in the add_rdata_to_list()
call without being initialized. Make sure that 'keyname' is non-NULL
for all the cases that do not jump to the 'cleanup:' label.
This commit is contained in:
Aram Sargsyan 2026-02-20 11:18:52 +00:00 committed by Michał Kępień
parent ab77b3dffa
commit 172f5496ba
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1 changed files with 6 additions and 1 deletions
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7
lib/dns/tkey.c
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@ -401,7 +401,8 @@ dns_tkey_processquery(dns_message_t *msg, dns_tkeyctx_t *tctx,
/*
* A delete operation uses the fully specified qname.
*/
CHECK(process_deletetkey(signer, qname, &tkeyin, &tkeyout,
keyname = qname;
CHECK(process_deletetkey(signer, keyname, &tkeyin, &tkeyout,
ring));
break;
case DNS_TKEYMODE_GSSAPI:
@ -443,6 +444,10 @@ dns_tkey_processquery(dns_message_t *msg, dns_tkeyctx_t *tctx,
result = DNS_R_NOTIMP;
goto cleanup;
default:
/*
* For unrecognized modes also use the fully specified qname.
*/
keyname = qname;
tkeyout.error = dns_tsigerror_badmode;
}