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Subject: [Bug 201447] aes-gcm corrupted packet
Date: Fri, 10 Jul 2015 09:46:39 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=201447

--- Comment #2 from olivier@cochard.me ---
Here are more information:
- FreeBSD: 11.0-CURRENT #3 r285336M: Fri Jul 10 02:02:25 CEST 2015
- IBM System x3550 M3: Intel Xeon CPU L5630 @ 2.13GHz (2133.46-MHz K8-class
CPU)
- NIC: Intel 82580 (class=0x020000 card=0x12a28086 chip=0x150e8086)
- TSO/RSO disabled on interfaces.
- aesni module NOT loaded.

Notice the not-so-random IV value in the previous pcap too.
I don't know if the problem came from encrypter or decrypter side.

Encrypter side stats:
[root@ENcrypter]~# netstat -ss -p esp
esp:
        3452430 packets out
        1822883040 bytes out
        ESP output histogram:
                aes-gcm-16: 3452430

Decrypter side stats:
[root@DECrypter]~# netstat -ss -p esp
esp:
        1600986 packets dropped; bad encryption detected
        1621300 packets in
        875502000 bytes in
        ESP output histogram:
                aes-gcm-16: 1621300

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