From: Florian Weimer <fweimer@redhat.com>
To: Florian Weimer via Libc-alpha <libc-alpha@sourceware.org>
Subject: Re: [PATCH 3/3] resolv: Handle transaction ID collisions in parallel queries (bug 26600)
Date: Tue, 13 Oct 2020 12:14:33 +0200 [thread overview]
Message-ID: <87362iwhyu.fsf@oldenburg2.str.redhat.com> (raw)
In-Reply-To: <87lfhgqx9u.fsf@oldenburg2.str.redhat.com> (Florian Weimer via Libc-alpha's message of "Fri, 11 Sep 2020 15:05:17 +0200")
* Florian Weimer via Libc-alpha:
> If the transaction IDs are equal, the old check attributed both
> responses to the first query, not recognizing the second response.
> This fixes bug 26600.
>
> (Tested on x86_64-linux-gnu. I verified that the referral path for
> RCODE 0 responses is taken. I also linked tst-resolv-txnid-collision.o
> against an ABI-compatible static glibc build without the fix, to verify
> that the test reproduces the bug.)
Ping. These patches need review:
<https://sourceware.org/pipermail/libc-alpha/2020-September/117545.html>
<https://sourceware.org/pipermail/libc-alpha/2020-September/117546.html>
<https://sourceware.org/pipermail/libc-alpha/2020-September/117547.html>
Apparently, users encounter this bug quite frequently on s390x with
certain applications.
Thanks,
Florian
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next prev parent reply other threads:[~2020-10-13 10:14 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-11 13:03 [PATCH 1/3] support: Provide a way to reorder responses within the DNS test server Florian Weimer
2020-09-11 13:03 ` [PATCH 2/3] support: Provide a way to clear the RA bit in DNS server responses Florian Weimer
2020-10-13 18:13 ` Siddhesh Poyarekar
2020-09-11 13:05 ` [PATCH 3/3] resolv: Handle transaction ID collisions in parallel queries (bug 26600) Florian Weimer
2020-10-13 10:14 ` Florian Weimer [this message]
2020-10-13 18:18 ` Siddhesh Poyarekar
2020-10-14 16:32 ` Stefan Liebler
2020-10-14 17:57 ` Florian Weimer
2020-10-15 10:35 ` Florian Weimer
2020-10-15 15:02 ` Stefan Liebler
2020-10-13 18:12 ` [PATCH 1/3] support: Provide a way to reorder responses within the DNS test server Siddhesh Poyarekar
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