[Bug 253169] ipfw: sigbus when ext6hdr option is omitted

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253169

--- Comment #4 from commit-hook at FreeBSD.org ---
A commit in branch stable/12 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=d2eeacf7728a04ee04be8a69b2b1bf375ff24994

commit d2eeacf7728a04ee04be8a69b2b1bf375ff24994
Author:     Evgeniy Khramtsov <2khramtsov at gmail.com>
AuthorDate: 2021-02-01 19:03:57 +0000
Commit:     Kristof Provost <kp at FreeBSD.org>
CommitDate: 2021-02-04 08:13:46 +0000

    ipfw(8) crashes when ext6hdr option is omitted

    Verify that the option is passed, error out if it's not.
    The problem can be trivially triggered with `ipfw add allow ext6hdr`.

    PR:             253169
    Reviewed by:    kp@
    MFC after:      3 days
    Differential Revision:  https://reviews.freebsd.org/D28447

    (cherry picked from commit 682c31db4ecfb8fc6cac0e8ad4945c03379ea3d1)

 sbin/ipfw/ipfw2.c | 1 +
 1 file changed, 1 insertion(+)

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