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Date:      Mon, 06 Feb 2023 20:39:43 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 268246] crash and panic using pfsync on 13.1-RELEASE
Message-ID:  <bug-268246-7501-6JPyh6PCUf@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-268246-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-268246-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D268246

--- Comment #66 from jjasen@gmail.com ---
(In reply to Kristof Provost from comment #65)

a -- I went to explore frame 12 a bit:

frame 12
#12 0xffffffff80dfe1d2 in ip_output (m=3D0xfffff802d9447a00, opt=3D<optimiz=
ed out>,
opt@entry=3D0x0,
    ro=3D<optimized out>, ro@entry=3D0x0, flags=3Dflags@entry=3D0, imo=3D<o=
ptimized out>,
imo@entry=3D0x0,
    inp=3D<optimized out>, inp@entry=3D0x0) at
/root/usr/src/sys/netinet/ip_output.c:816
816             error =3D ip_fragment(ip, &m, mtu, ifp->if_hwassist);
(kgdb) p ip
$5 =3D (struct ip *) 0xfffff802d9447a68
(kgdb) p/x *ip
$6 =3D {ip_hl =3D 0x5, ip_v =3D 0x4, ip_tos =3D 0xd, ip_len =3D 0x9887, ip_=
id =3D 0xfb57,
ip_off =3D 0x4006,
  ip_ttl =3D 0x20, ip_p =3D 0x1, ip_sum =3D 0xd004, ip_src =3D {s_addr =3D =
0x69011824},
ip_dst =3D {
    s_addr =3D 0x0}}


b -- back to frame 11, per request:
(kgdb) frame 11
#11 0xffffffff80dfe81f in ip_fragment (ip=3D<optimized out>,
ip@entry=3D0xfffff802d9447a68,
    m_frag=3Dm_frag@entry=3D0xfffffe020478fd80, mtu=3Dmtu@entry=3D9000,
if_hwassist_flags=3D<optimized out>)
    at /root/usr/src/sys/netinet/ip_output.c:992
992                     m->m_next =3D m_copym(m0, off, len, M_NOWAIT);
(kgdb) p *mhip
$7 =3D {ip_hl =3D 5 '\005', ip_v =3D 4 '\004', ip_tos =3D 13 '\r', ip_len =
=3D 5152, ip_id
=3D 64343,
  ip_off =3D 10823, ip_ttl =3D 32 ' ', ip_p =3D 1 '\001', ip_sum =3D 53252,=
 ip_src =3D
{s_addr =3D 1761679396},
  ip_dst =3D {s_addr =3D 0}}
(kgdb) p/x *mhip
$8 =3D {ip_hl =3D 0x5, ip_v =3D 0x4, ip_tos =3D 0xd, ip_len =3D 0x1420, ip_=
id =3D 0xfb57,
ip_off =3D 0x2a47,
  ip_ttl =3D 0x20, ip_p =3D 0x1, ip_sum =3D 0xd004, ip_src =3D {s_addr =3D =
0x69011824},
ip_dst =3D {
    s_addr =3D 0x0}}

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