GNU bug report logs - #64678
28.2; dns.el: dns-read won't detect DNS packets with TC bit set

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Package: emacs;

Reported by: Marc van der Wal <marc+emacs <at> van-der-wal.fr>

Date: Mon, 17 Jul 2023 07:51:03 UTC

Severity: normal

Tags: fixed

Found in version 28.2

Fixed in version 30.1

Done: Robert Pluim <rpluim <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Robert Pluim <rpluim <at> gmail.com>
To: Marc van der Wal <marc+emacs <at> van-der-wal.fr>
Cc: 64678 <at> debbugs.gnu.org
Subject: bug#64678: 28.2; dns.el: dns-read won't detect DNS packets with TC bit set
Date: Mon, 17 Jul 2023 10:51:31 +0200

>>>>> On Sun, 16 Jul 2023 20:58:03 +0200, Marc van der Wal <marc+emacs <at> van-der-wal.fr> said:

    Marc> Hello,
    Marc> Due to a typo in the code, the `dns-read' function masks the wrong bit
    Marc> when looking for the TC bit in the DNS packet header. This causes
    Marc> messages with the TC bit set to be returned with (truncated-p nil),
    Marc> and messages with the AA bit set to have (truncated-p t).

Yep.

Eli, I guess this is small enough to commit to master as
"Copyright-paperwork-exempt: yes"?

Robert
--
This bug report was last modified 2 years and 5 days ago.

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