[Bug 256610] Kernel panic with ngtee

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 14 Jun 2021 23:33:55 +0000

            Bug ID: 256610
           Summary: Kernel panic with ngtee
           Product: Base System
           Version: 13.0-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs_at_FreeBSD.org
          Reporter: niels=freebsd_at_bakker.net

Created attachment 225814
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=225814&action=edit

With the following in /etc/rc.conf:


I can reliably get a kernel panic as soon as there is network traffic between a
host on the LAN and a jail whose IPv4 address is attached to a VLAN interface
which also has a bridge by vm-bhyve. is another jail on the local
machine. This is a kernel compiled with INVARIANTS but it also panics without,
and did so on 13.0-RELEASE.

#9  memmove_erms () at /usr/src/sys/amd64/amd64/support.S:547
#10 0xffffffff80c80f18 in m_dup (m=0xfffff8021e841200, 
    m_at_entry=0xfffff801345d9d00, how=how_at_entry=1)
    at /usr/src/sys/kern/uipc_mbuf.c:722
#11 0xffffffff834ab3c1 in ng_ipfw_input (m0=<optimized out>, 
    fwa=0xfffffe0144090300, tee=false) at /usr/src/sys/netgraph/ng_ipfw.c:324
#12 0xffffffff82936df0 in ipfw_check_packet (m0=0xfffffe01440904e8, 
    ifp=0xfffff80004e5b800, flags=131072, ruleset=<optimized out>, 
    inp=0xfffff8004cff35b8) at /usr/src/sys/netpfil/ipfw/ip_fw_pfil.c:297
#13 0xffffffff80d2a8c7 in pfil_run_hooks (head=<optimized out>, p=..., 
    ifp=ifp_at_entry=0xfffff80004e5b800, flags=flags_at_entry=131072, 
    inp=inp_at_entry=0xfffff8004cff35b8) at /usr/src/sys/net/pfil.c:187

Possibly related to Bug #256439.

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Received on Mon Jun 14 2021 - 23:33:55 UTC

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