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2326. [bug] It was possible to trigger a INSIST in the acache

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This commit is contained in:
Mark Andrews 2008-01-31 05:28:46 +00:00
parent dc2a0aa7aa
commit 5badfc7e00
2 changed files with 11 additions and 9 deletions
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3
CHANGES
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@ -1,3 +1,6 @@
2326. [bug] It was possible to trigger a INSIST in the acache
processing.
2325. [port] Linux: use capset() function if available. [RT #17557]
2324. [bug] Fix IPv6 matching against "any;" [RT #17533]

17
lib/dns/rbtdb.c
View File

@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: rbtdb.c,v 1.248 2007/12/02 20:27:35 marka Exp $ */
/* $Id: rbtdb.c,v 1.249 2008/01/31 05:28:46 marka Exp $ */
/*! \file */
@ -7225,12 +7225,13 @@ acache_callback(dns_acacheentry_t *entry, void **arg) {
}
count = cbarg->count;
if (acarray[count].entry == entry)
if (acarray != NULL && acarray[count].entry == entry) {
acarray[count].entry = NULL;
INSIST(acarray[count].cbarg != NULL);
isc_mem_put(rbtdb->common.mctx, acarray[count].cbarg,
sizeof(acache_cbarg_t));
acarray[count].cbarg = NULL;
INSIST(acarray[count].cbarg == cbarg);
isc_mem_put(rbtdb->common.mctx, cbarg, sizeof(acache_cbarg_t));
acarray[count].cbarg = NULL;
} else
isc_mem_put(rbtdb->common.mctx, cbarg, sizeof(acache_cbarg_t));
dns_acache_detachentry(&entry);
@ -7372,9 +7373,7 @@ rdataset_setadditional(dns_rdataset_t *rdataset, dns_rdatasetadditional_t type,
NODE_UNLOCK(nodelock, isc_rwlocktype_write);
if (oldentry != NULL) {
if (oldcbarg != NULL)
acache_cancelentry(rbtdb->common.mctx, oldentry,
&oldcbarg);
acache_cancelentry(rbtdb->common.mctx, oldentry, &oldcbarg);
dns_acache_detachentry(&oldentry);
}