[Bug 268246] crash and panic using pfsync on 13.1-RELEASE

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 13 Jan 2023 20:42:30 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=268246

--- Comment #25 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=fd02192c3acaefeb62db11e0c10ab36240b79ba2

commit fd02192c3acaefeb62db11e0c10ab36240b79ba2
Author:     Kristof Provost <kp@FreeBSD.org>
AuthorDate: 2023-01-13 03:34:20 +0000
Commit:     Kristof Provost <kp@FreeBSD.org>
CommitDate: 2023-01-13 19:41:25 +0000

    pf: fix panic on deferred packets

    The pfsync_defer_tmo() callout needs to set the correct vnet before it
    can transmit packets. It used the rcvif in the mbuf to get this vnet,
    but that doesn't work for locally originated traffic. In that case the
    rcvif pointer is NULL, and the dereference leads to a panic.

    Instead use the sc_sync_if, which is always set (if pfsync is enabled,
    at least).

    PR:             268246
    MFC after:      2 weeks

 sys/netpfil/pf/if_pfsync.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

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