[Bug 253595] ccp(4) breaks ZFS

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Feb 17 20:59:08 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253595

Mark Johnston <markj at FreeBSD.org> changed:

           What    |Removed                     |Added
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             Status|New                         |Open
                 CC|                            |markj at FreeBSD.org

--- Comment #1 from Mark Johnston <markj at FreeBSD.org> ---
ccp(4) appears to have a constraint that the AAD length with AES-GCM must be a
multiple of the cipher block size.  ZFS doesn't handle the errors that result
when it submits a request satisfying this constraint.  See bug 252981 for a
related example of the same problem.  For 13.0 this will be worked around by
simply disabling the use of hardware offloads by ZFS.

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