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Subject: [Bug 219356] Using AES-GCM with IPSEC with aesni module loaded
 panics FreeBSD 11 stable
Date: Mon, 22 May 2017 08:51:07 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D219356

Andrey V. Elsukov <ae@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|freebsd-bugs@FreeBSD.org    |ae@FreeBSD.org
             Status|New                         |In Progress

--- Comment #4 from Andrey V. Elsukov <ae@FreeBSD.org> ---
Created attachment 182793
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D182793&action=
=3Dedit
Proposed patch (untested)

Thanks. The last trace is very helpful. Can you try this patch? It should be
applicable to both stable/11 and head/.

The problem triggered by error in crypto code. When AES-GCM fails authentic=
ate
decrypted data, it returns EBADMSG error code. This error code was handled
incorrectly in new IPsec code and double free occurred for SA reference. Th=
is
patch removed extra free().

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