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Fix a crash while parsing malformed CAA RRs in presentation format (#39003)

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This commit is contained in:
Mukund Sivaraman 2015-03-27 10:31:29 +05:30
parent ab103cf2ca
commit f9f81abff0
3 changed files with 7 additions and 1 deletions
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6
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@ -1,3 +1,9 @@
4090. [bug] Fix a crash while parsing malformed CAA RRs in
presentation format, i.e., from text such as
from master files. Thanks to John Van de
Meulebrouck Brendgard for discovering and
reporting this problem. [RT #39003]
4089. [bug] Send notifies immediately for slave zones during
startup. [RT #38843]

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bin/tests/system/checkzone/zones/bad-caa-rr.db Normal file
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2
lib/dns/rdata/generic/caa_257.c
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@ -68,7 +68,7 @@ fromtext_caa(ARGS_FROMTEXT) {
ISC_FALSE));
tr = token.value.as_textregion;
for (i = 0; i < tr.length; i++)
if (!alphanumeric[(unsigned int) tr.base[i]])
if (!alphanumeric[(unsigned char) tr.base[i]])
RETTOK(DNS_R_SYNTAX);
RETERR(uint8_tobuffer(tr.length, target));
RETERR(mem_tobuffer(target, tr.base, tr.length));