[Bug 272616] [panic] Reproducible kernel panic related to sendfile and IPSec

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 272616] [panic] Reproducible kernel panic related to sendfile and IPSec"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 20 Jul 2023 12:09:37 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=272616

--- Comment #2 from Konstantin Belousov <kib@FreeBSD.org> ---
m_unshare() is not enough.  Really software IPSEC requires mapped mbufs.
Even hw inline accel seems to need it, unfortunately.

Try something like the attached patch.

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