[Bug 268246] crash and panic using pfsync on 13.1-RELEASE
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Date: Sat, 28 Jan 2023 01:40:10 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=268246
--- Comment #40 from commit-hook@FreeBSD.org ---
A commit in branch stable/13 references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=8edf0b52c40762d64b3d4318235b58ae5d4eff58
commit 8edf0b52c40762d64b3d4318235b58ae5d4eff58
Author: Kristof Provost <kp@FreeBSD.org>
AuthorDate: 2023-01-13 03:34:20 +0000
Commit: Kristof Provost <kp@FreeBSD.org>
CommitDate: 2023-01-28 01:34:38 +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
(cherry picked from commit fd02192c3acaefeb62db11e0c10ab36240b79ba2)
sys/netpfil/pf/if_pfsync.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
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