⬢ DragonFlyBSD Kernel Audit
DF-5082 / panic.txt
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	inet6 fe80::5054:ff:fe12:3456%vtnet0 prefixlen 64 tentative scopeid 0x1
	media: Ethernet 1000baseT <full-duplex>
	status: active
route: writing to routing socket: Network is unreachable
add net default: gateway 10.0.2.2: Network is unreachable
Additional routing options:.
Starting devd.
Additional TCP options:.
Mounting NFS file systems:.
ELF ldconfig path: /lib /usr/lib /usr/local/lib /usr/local/libdata/ldconfig/pkg
Building databases...
Starting syslogd.
Sep 26 21:31:57 dfbsd syslogd: kernel boot file is /boot/kernel/kernel

No core dumps found.
swap low/high-water marks set to 41940/62910
swapon: adding /dev/vbd0s1b as swap device
NFS CLIENT: access_cache_timeout=5 neg_cache_timeout=3.
Starting local daemons:.
Updating motd.
Configuring syscons: blanktime.
Starting sshd.
sendmail_submit: /etc/mail/aliases.db not present,  generating
sendmail_clientmqueue: /etc/mail/aliases.db not present,  generating
Starting cron.
Local package initialization:.

Sat Sep 26 21:31:57 UTC 2026


DragonFly/x86_64 (dfbsd) (ttyd0)



login: DF5082 harness loaded (sysctl df5082.trigger=N)
DF5082: victim hostb0 rid 0x10 (BAR reads 0 -> bus_alloc_resource_any will fail)
DF5082-fixed: bus_alloc_resource_any(rid 0x10) returned NULL; guarded, no panic
DF5082: fixed variant returned 0; guest still alive
DF5082: victim hostb0 rid 0x10 (BAR reads 0 -> bus_alloc_resource_any will fail)
DF5082-fixed: bus_alloc_resource_any(rid 0x10) returned NULL; guarded, no panic
DF5082: fixed variant returned 0; guest still alive
DF5082: victim hostb0 rid 0x10 (BAR reads 0 -> bus_alloc_resource_any will fail)
DF5082: calling VERBATIM os_map_pci_bar ...
Fatal user address access from kernel mode from sysctl at ffffffff8260030e


Fatal trap 12: page fault while in kernel mode
cpuid = 1; lapic id = 1
fault virtual address	= 0x40
fault code		= supervisor read data, page not present
instruction pointer	= 0x8:0xffffffff8260030e
stack pointer	        = 0x10:0xfffff801183635f8
frame pointer	        = 0x10:0xfffff80118363798
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 0, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 1597
current thread          = pri 6 
kernel: type 12 trap, code=0

CPU1 stopping CPUs: 0x0000003d
 stopped
Stopped at      df5082_trigger+0x2de:   movq    0x40(%rax),%rsi
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