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Date:      Sun, 30 Nov 2025 10:32:01 +0000
From:      bugzilla-noreply@freebsd.org
To:        pf@FreeBSD.org
Subject:   [Bug 260867] pf: divert-to packets infinitely loop when written back to divert socket
Message-ID:  <bug-260867-16861-bXoib2lCf1@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-260867-16861@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=260867

--- Comment #14 from commit-hook@FreeBSD.org ---
A commit in branch stable/13 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=81385f622037a5b78fd4f8046163367fa607d37a

commit 81385f622037a5b78fd4f8046163367fa607d37a
Author:     Kristof Provost <kp@FreeBSD.org>
AuthorDate: 2025-11-15 13:44:54 +0000
Commit:     Kristof Provost <kp@FreeBSD.org>
CommitDate: 2025-11-29 20:02:00 +0000

    pf: handle divert packets

    In a divert setup pf_test_state() may return PF_PASS, but not set the state
    pointer. We didn't handle that, and as a result crashed immediately
afterwards
    trying to dereference that NULL state pointer.

    Add a test case to provoke the problem.

    PR:             260867
    MFC after:      2 weeks
    Submitted by:   Phil Budne <phil.budne@gmail.com>
    Sponsored by:   Rubicon Communications, LLC ("Netgate")

    (cherry picked from commit 66f2f1c83247f05a3a599d7e88c7e7efbedd16b5)

 sys/netpfil/pf/pf.c | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

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