From: Florian Weimer <fweimer@redhat.com>
To: "Andreas K. Huettel" <dilfridge@gentoo.org>
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH] resolv: AAAA (28) is valid, no fallthrough to default
Date: Thu, 10 Jan 2019 13:51:00 -0000 [thread overview]
Message-ID: <874lagliya.fsf@oldenburg2.str.redhat.com> (raw)
In-Reply-To: <5357970.k6zCfxj4Tn@porto> (Andreas K. Huettel's message of "Thu, 10 Jan 2019 14:47:11 +0100")
* Andreas K. Huettel:
> Am Donnerstag, 10. Januar 2019, 12:00:08 CET schrieb Florian Weimer:
>> * Andreas K. Hüttel:
>> > The test resolv/tst-resolv-ai_idn-nolibidn2 kept failing, with the
>> > puzzling
>> > output "invalid qtype: 28". Puzzling since 28 is an AAAA record.
>> > Turns out the switch statement is missing a break, so the "T_AAAA" case
>> > continues with "default".
>>
>> The change is obviously correct. I will commit it for you.
>>
>> However, how do you encounter this issue? Did you change some test?
>> The current IDN tests do not actually send AAAA queries, I think.
>>
>> Thanks,
>> Florian
>
> That's a puzzling question indeed. I didnt change anything with the test
> suite; the code is ~ tip of 2.28 release branch (plus few Gentoo-specific
> patches).
>
> The only Gentoo-specific commit which could be relevant is that we revert
> 8479f23aa1d5e5477a37f46823856bdafaedfa46 ("sysdeps/posix/getaddrinfo.c
> (gaih_inet): Only use gethostbyname4_r ..."). For the background see
> https://bugs.gentoo.org/600632
Yes, that is indeed the cause. Reverting that commit is a bit
aggressive, though. Clearly you do not need to perform dual queries if
the requested address family is AF_INET because that hasn't got any
scope IDs.
Thanks,
Florian
prev parent reply other threads:[~2019-01-10 13:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-10 0:17 Andreas K. Hüttel
2019-01-10 11:01 ` Florian Weimer
2019-01-10 13:47 ` Andreas K. Huettel
2019-01-10 13:51 ` Florian Weimer [this message]
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