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

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 11 Jan 2023 13:41:15 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=268246

--- Comment #21 from jjasen@gmail.com ---
(In reply to Kristof Provost from comment #20)

 print *m
$2 = {{m_next = 0x0, m_slist = {sle_next = 0x0}, m_stailq = {stqe_next = 0x0}},
{m_nextpkt = 0x0, m_slistpkt = {
      sle_next = 0x0}, m_stailqpkt = {stqe_next = 0x0}}, m_data =
0xfffff800a5176568 "E", m_len = 60, m_type = 1,
  m_flags = 32770, {{{m_pkthdr = {{snd_tag = 0x0, rcvif = 0x0}, tags =
{slh_first = 0x0}, len = 60, flowid = 0,
          csum_flags = 4, fibnum = 0, numa_domain = 255 '\377', rsstype = 0
'\000', {rcv_tstmp = 0, {
              l2hlen = 0 '\000', l3hlen = 0 '\000', l4hlen = 0 '\000', l5hlen =
0 '\000', inner_l2hlen = 0 '\000',
              inner_l3hlen = 0 '\000', inner_l4hlen = 0 '\000', inner_l5hlen =
0 '\000'}}, PH_per = {
            eight = "\000\000\000\000\020\000\000", sixteen = {0, 0, 16, 0},
thirtytwo = {0, 16}, sixtyfour = {
              68719476736}, unintptr = {68719476736}, ptr = 0x1000000000},
PH_loc = {
            eight = "\000\000\000\000\000\000\000", sixteen = {0, 0, 0, 0},
thirtytwo = {0, 0}, sixtyfour = {0},
            unintptr = {0}, ptr = 0x0}}, {m_epg_npgs = 0 '\000', m_epg_nrdy = 0
'\000', m_epg_hdrlen = 0 '\000',
          m_epg_trllen = 0 '\000', m_epg_1st_off = 0, m_epg_last_len = 0,
m_epg_flags = 0 '\000',
          m_epg_record_type = 0 '\000', __spare = "\000", m_epg_enc_cnt = 0,
m_epg_tls = 0x3c,
          m_epg_so = 0xff000000000004, m_epg_seqno = 0, m_epg_stailq =
{stqe_next = 0x1000000000}}}, {m_ext = {{
            ext_count = 939581509, ext_cnt = 0x4000003800e045}, ext_size =
2833084671, ext_type = 192,
          ext_flags = 1178792, {{ext_buf = 0x4000003c000045 <error: Cannot
access memory at address 0x4000003c000045>,
              ext_arg2 = 0x3fca8c056510640}, {extpg_pa = {18014399516115013,
287290020280206912, 4838908228444246282,
                2713560791, 163732743193248},
              extpg_trail =
"\002\004#\000\001\003\003\016\004\002\b\ny.\227\352\000\000\000\000to-112
36\n\000\000\004mon1\004nccs\004nasa\003gov\000\000\001\000\001\204\204\245\300q@\271h",
              extpg_hdr =
"\v\000\000\000x|\247\000q@\271h\f\000\000\001\204\203\322\336q@\271"}},
ext_free = 0x0,
          ext_arg1 = 0x0}, m_pktdat = 0xfffff800a5176558 <incomplete sequence
\340>}}, m_dat = 



print m->m_pkthdr.rcvif
$3 = (struct ifnet *) 

print *m->m_pkthdr.rcvif
Cannot access memory at address 0x0

 print m->m_pkthdr.rcvif->if_vnet
Cannot access memory at address 0x388

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