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only test for prefixlen <= 63

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This commit is contained in:
Mark Andrews 2018-12-03 16:26:54 +11:00
parent 409ac247f7
commit 5744415a75
1 changed files with 1 additions and 1 deletions
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lib/bind9/check.c
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@ -563,7 +563,7 @@ check_dns64(cfg_aclconfctx_t *actx, const cfg_obj_t *voptions,
continue;
}
nbytes = prefixlen / 8 + 4;
if (prefixlen >= 32 && prefixlen <= 64)
if (prefixlen <= 64)
nbytes++;
if (memcmp(sa.type.in6.s6_addr, zeros, nbytes) != 0) {
char netaddrbuf[ISC_NETADDR_FORMATSIZE];