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Message-ID: <20180621220431.aylvgwax6h766y5r@kronos.misterunknown.de>
Date: Fri, 22 Jun 2018 00:04:31 +0200
From: Marco Dickert <marco@...terunknown.de>
To: musl@...ts.openwall.com
Subject: Bug in getaddrinfo
Hi all.
I found a bug in the musl implementation of getaddrinfo(). It apparently returns
a bad ai_canonname value. I used this [1] code to produce the following results
on an alpine linux (edge):
----
alpine:~# ./addrinfo-test mail.misterunknown.de
Result 0 0xda051c83080
Canonname mail.misterunknown.de
alpine:~# ./addrinfo-test mail.misterunknown.de.
Result 0 0x53f7dac4080
Canonname mail.misterunknown.de.
----
The problem is the trailing dot in the Commonname in the second example, which
should not be there. See also this [2] bug report I opened in the first place.
Cheers,
Marco
[1] https://pastebin.com/nypMzhCb
[2] https://gitlab.isc.org/isc-projects/bind9/issues/354
--
Marco Dickert
marco@...terunknown.de
https://misterunknown.de
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