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2884. [bug] Insufficient valadation in dns_name_getlabelsequence().

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[RT #21283]
This commit is contained in:
Mark Andrews 2010-05-12 05:40:32 +00:00
parent b72434ce64
commit f083a44415
2 changed files with 5 additions and 2 deletions
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3
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@ -1,3 +1,6 @@
2884. [bug] Insufficient valadation in dns_name_getlabelsequence().
[RT #21283]
2883. [bug] 'dig +short' failed to handle really large datasets.
[RT #21113]

4
lib/dns/name.c
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@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: name.c,v 1.169 2009/09/01 17:36:51 jinmei Exp $ */
/* $Id: name.c,v 1.170 2010/05/12 05:40:32 marka Exp $ */
/*! \file */
@ -902,7 +902,7 @@ dns_name_getlabelsequence(const dns_name_t *source,
REQUIRE(VALID_NAME(source));
REQUIRE(VALID_NAME(target));
REQUIRE(first <= source->labels);
REQUIRE(first + n <= source->labels);
REQUIRE(n <= source->labels - first); /* note first+n could overflow */
REQUIRE(BINDABLE(target));
SETUP_OFFSETS(source, offsets, odata);