[Bug 257285] Kernel panic at ip_divert_event_tag on FreeBSD 13.0-RELEASE

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 19 Jul 2021 20:28:28 UTC

            Bug ID: 257285
           Summary: Kernel panic at ip_divert_event_tag on FreeBSD
           Product: Base System
           Version: 13.0-STABLE
          Hardware: i386
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: didomeister@gmail.com

I get kernel panic on my freebsd 13 system:

panic: vm_fault_lookup: fault on nofault entry, addr: 0
cpuid = 1
time = 1626721843
KDB: stack backtrace:
#0 0x104318f at kdb_backtrace+0x4f
#1 0xffc71a at vpanic+0x11a
#2 0xffc5f4 at panic+0x14
#3 0x1257943 at vm_fault+0x1753
#4 0x1256127 at vm_fault_trap+0x87
#5 0x139f276 at trap_pfault+0x146
#6 0x139e841 at trap+0x381
#7 0xffc0319f at ip_divert_event_tag+0xe29cc977
#8 0x28 at ll+0x7
Uptime: 5h57m28s
Automatic reboot in 15 seconds - press a key on the console to abort

Intervals between panic events vary from several minutes to several tens of
hours. I haven't seen my system running for more than two days.

Version info & HW:
CPU: Intel(R) Atom(TM) CPU  330   @ 1.60GHz
Video: agp0: <Intel 82945G (945G GMCH) SVGA controller> on vgapci0
Audio controller: hdac0: <Intel 82801G HDA Controller> mem
0x883a0000-0x883a3fff irq 22 at device 27.0 on pci0
Eth adapters:
        re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port
0x2000-0x20ff mem 0x88200000-0x88200fff,0x88000000-0x8800ffff irq 16 at device
0.0 on pci1
        rl0: <RealTek 8139 10/100BaseTX> port 0x1000-0x10ff mem 0x88100000
-0x881000ff irq 21 at device 0.0 on pci2
HDD Controller: atapci0: <Intel ICH7 SATA300 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x30a0-0x30af irq 19 at device 31.2 on pci0
HDD: ada0: <WDC WD5000AAKX-603CA0 18.01H18> ATA8-ACS SATA 3.x device

Loaded modules:
# kldstat
Id Refs Address        Size Name
 1   10   0x800000  177e46c kernel
 2    1 0x1d200000     6000 ichsmb.ko
 3    1 0x1d206000     4000 smbus.ko
 4    2 0x1d20a000    28000 ipfw.ko
 5    1 0x1d232000     5000 ipdivert.ko

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