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dns_qpkey_toname failed to reset name correctly

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This could lead to a mismatch between name->length and the rest
of the name structure.
This commit is contained in:
Mark Andrews
2024-04-17 09:40:05 +10:00
parent fcf2919c93
commit bf70d4840c
1 changed files with 2 additions and 3 deletions
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5
lib/dns/qp.c
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@@ -259,13 +259,12 @@ dns_qpkey_toname(const dns_qpkey_t key, size_t keylen, dns_name_t *name) {
REQUIRE(name->buffer != NULL);
REQUIRE(name->offsets != NULL);
dns_name_reset(name);
if (keylen == 0) {
dns_name_reset(name);
return;
}
isc_buffer_clear(name->buffer);
/* Scan the key looking for label boundaries */
for (offset = 0; offset <= keylen; offset++) {
INSIST(key[offset] >= SHIFT_NOBYTE &&