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3415. [bug] named could die with a REQUIRE failure id a valdation

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was canceled. [RT #31804]

Squashed commit of the following:

commit d414d3cb4244daeca4159ac1f8a82322e4a20e5a
Author: Mark Andrews <marka@isc.org>
Date:   Wed Nov 7 14:19:28 2012 +1100

    check that val->fetch != NULL before calling dns_resolver_destroyfetch
This commit is contained in:
Mark Andrews 2012-11-09 09:09:52 +11:00
parent 4326ea8b66
commit 1a09fefa59
2 changed files with 11 additions and 4 deletions
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3
CHANGES
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@ -1,3 +1,6 @@
3415. [bug] named could die with a REQUIRE failure id a valdation
was canceled. [RT #31804]
3414. [bug] Address locking issues found by Coverity. [RT #31626]
3413. [func] Record the number of DNS64 AAAA RRsets that have been

12
lib/dns/validator.c
View file

@ -412,12 +412,13 @@ fetch_callback_validator(isc_task_t *task, isc_event_t *event) {
if (dns_rdataset_isassociated(&val->fsigrdataset))
dns_rdataset_disassociate(&val->fsigrdataset);
isc_event_free(&event);
dns_resolver_destroyfetch(&val->fetch);
INSIST(val->event != NULL);
validator_log(val, ISC_LOG_DEBUG(3), "in fetch_callback_validator");
LOCK(&val->lock);
if (val->fetch != NULL)
dns_resolver_destroyfetch(&val->fetch);
if (CANCELED(val)) {
validator_done(val, ISC_R_CANCELED);
} else if (eresult == ISC_R_SUCCESS) {
@ -490,12 +491,13 @@ dsfetched(isc_task_t *task, isc_event_t *event) {
if (dns_rdataset_isassociated(&val->fsigrdataset))
dns_rdataset_disassociate(&val->fsigrdataset);
isc_event_free(&event);
dns_resolver_destroyfetch(&val->fetch);
INSIST(val->event != NULL);
validator_log(val, ISC_LOG_DEBUG(3), "in dsfetched");
LOCK(&val->lock);
if (val->fetch != NULL)
dns_resolver_destroyfetch(&val->fetch);
if (CANCELED(val)) {
validator_done(val, ISC_R_CANCELED);
} else if (eresult == ISC_R_SUCCESS) {
@ -566,13 +568,14 @@ dsfetched2(isc_task_t *task, isc_event_t *event) {
dns_db_detach(&devent->db);
if (dns_rdataset_isassociated(&val->fsigrdataset))
dns_rdataset_disassociate(&val->fsigrdataset);
dns_resolver_destroyfetch(&val->fetch);
INSIST(val->event != NULL);
validator_log(val, ISC_LOG_DEBUG(3), "in dsfetched2: %s",
dns_result_totext(eresult));
LOCK(&val->lock);
if (val->fetch != NULL)
dns_resolver_destroyfetch(&val->fetch);
if (CANCELED(val)) {
validator_done(val, ISC_R_CANCELED);
} else if (eresult == DNS_R_CNAME ||
@ -3392,13 +3395,14 @@ dlvfetched(isc_task_t *task, isc_event_t *event) {
if (dns_rdataset_isassociated(&val->fsigrdataset))
dns_rdataset_disassociate(&val->fsigrdataset);
isc_event_free(&event);
dns_resolver_destroyfetch(&val->fetch);
INSIST(val->event != NULL);
validator_log(val, ISC_LOG_DEBUG(3), "in dlvfetched: %s",
dns_result_totext(eresult));
LOCK(&val->lock);
if (val->fetch != NULL)
dns_resolver_destroyfetch(&val->fetch);
if (eresult == ISC_R_SUCCESS) {
dns_name_format(dns_fixedname_name(&val->dlvsep), namebuf,
sizeof(namebuf));