panic: trap type 4, code=0, pc=ffffffff813b5e8b
Starting stack trace...
panic(ffffffff833ab0ac) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80003c9b9880) at kerntrap+0x2fb
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
end trace frame: 0x0, count: 254
End of stack trace.
syncing disks...
set $lines = 0
set $maxwidth = 0
show panic
trace
show registers
show proc
ps
show all locks
show malloc
show all pools
machine ddbcpu 0
trace
panic: kernel diagnostic assertion "(sih->sih_state & SIS_RESTART) == 0" failed: file "/syzkaller/managers/main/kernel/sys/kern/kern_softintr.c", line 181
Starting stack trace...
panic(ffffffff83375dc6) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff833b8b8b,ffffffff8334e768,b5,ffffffff8336cfd6) at __assert+0x29 sys/kern/subr_prf.c:-1
softintr_schedule(ffff80000002a040) at softintr_schedule+0x1d1
timeout_hardclock_update() at timeout_hardclock_update+0x6f5 sys/kern/kern_timeout.c:669
clockintr_hardclock(ffffffff837c4c20,ffff80003c9b9180,0) at clockintr_hardclock+0x148 sys/kern/kern_clockintr.c:-1
clockintr_dispatch(ffff80003c9b9180) at clockintr_dispatch+0x396 sys/kern/kern_clockintr.c:-1
lapic_clockintr(0,0) at lapic_clockintr+0x43 sys/arch/amd64/amd64/lapic.c:482
Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a
spllower(0) at spllower+0xa2 sys/arch/amd64/amd64/intr.c:833
tsleep_nsec(ffffffff839b8560,4,ffffffff83404918,ffffffffffffffff) at tsleep_nsec+0x1a8 sys/kern/kern_synch.c:154
uvn_io(fffffd806fcbe418,ffff80003c9b94d0,1,31,1) at uvn_io+0x765 sys/uvm/uvm_vnode.c:1281
uvn_put(fffffd806fcbe418,ffff80003c9b94d0,1,31) at uvn_put+0x125 sys/uvm/uvm_vnode.c:891
uvm_pager_put(fffffd806fcbe418,fffffd8007154680,ffff80003c9b9570,ffff80003c9b9594,31,0,504588e47d5b248f) at uvm_pager_put+0x10a sys/uvm/uvm_pager.c:505
uvn_flush(fffffd806fcbe418,0,0,31) at uvn_flush+0x68d sys/uvm/uvm_vnode.c:705
uvm_vnp_sync(ffff800000c68400) at uvm_vnp_sync+0x1e7 sys/uvm/uvm_vnode.c:1501
sys_sync(ffff80003c93aa80,0,0) at sys_sync+0xd4 sys/kern/vfs_syscalls.c:534
vfs_syncwait(ffff80003c93aa80,1) at vfs_syncwait+0x44 sys/kern/vfs_subr.c:-1
vfs_shutdown(ffff80003c93aa80) at vfs_shutdown+0x97 sys/kern/vfs_subr.c:1803
boot(100) at boot+0x166 sys/arch/amd64/amd64/machdep.c:927
reboot(100) at reboot+0xa8
panic(ffffffff833ab0ac) at panic+0x1e3
kerntrap(ffff80003c9b9880) at kerntrap+0x2fb
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
end trace frame: 0x0, count: 234
End of stack trace.

dump to dev 4,1 not possible
rebooting...
SeaBIOS (version 1.8.2-google)
Total RAM Size = 0x0000000080000000 = 2048 MiB
CPUs found: 2     Max CPUs supported: 2
SeaBIOS (version 1.8.2-google)
Machine UUID 1f64d870-06f2-d8bf-7327-adc6877a2997
found virtio-scsi at 0:3
virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0
virtio-scsi blksize=512 sectors=4194304 = 2048 MiB
drive 0x000f26e0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
>> OpenBSD/amd64 BOOT 3.67
boot> 
|/-\|/-\|/booting hd0a:/bsd: -\|/-\36613431|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|+4768776/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\+1069216|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/+0+1343488- [1921043\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|+128+1781424/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/+1225822-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|]=0x2e797a8
/-\|/-\|entry point at 0xffffffff81001000
[ using 4929448 bytes of bsd ELF symbol table ]
Copyright (c) 1982, 1986, 1989, 1991, 1993
	The Regents of the University of California.  All rights reserved.
Copyright (c) 1995-2026 OpenBSD. All rights reserved.  https://www.OpenBSD.org

OpenBSD 7.8-current (SYZKALLER) #0: Mon Jan 26 14:43:04 PST 2026
    root@ci-openbsd.us-central1-b.c.syzkaller.internal:/syzkaller/managers/main/kernel/sys/arch/amd64/compile/SYZKALLER
real mem = 2130694144 (2031MB)
avail mem = 2024914944 (1931MB)
random: good seed from bootblocks
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.4 @ 0xf2770 (12 entries)
bios0: vendor Google version "Google" date 10/25/2025
bios0: Google Google Compute Engine
acpi0 at bios0: ACPI 2.0
acpi0: sleep states S3 S4 S5
acpi0: tables DSDT FACP SRAT APIC SSDT WAET
acpi0: wakeup devices
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Xeon(R) CPU @ 2.20GHz, 2200.43 MHz, 06-4f-00
cpu0: cpuid 1 edx=1f8bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SS,HTT> ecx=f6fa3223<SSE3,PCLMUL,VMX,SSSE3,FMA3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV>
cpu0: cpuid 6 eax=4<ARAT>
cpu0: cpuid 7.0 ebx=1c2ffb<FSGSBASE,TSC_ADJUST,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,RDSEED,ADX,SMAP> edx=ac000400<MD_CLEAR,IBRS,IBPB,STIBP,SSBD>
cpu0: cpuid d.1 eax=1<XSAVEOPT>
cpu0: cpuid 80000001 edx=2c100800<NXE,PAGE1GB,RDTSCP,LONG> ecx=121<LAHF,ABM,3DNOWP>
cpu0: cpuid 80000007 edx=100<ITSC>
cpu0: msr 10a=400004c<RSBA,SKIP_L1DFL,IF_PSCHANGE,GDS_NO>
cpu0: MELTDOWN
cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB 64b/line 8-way L2 cache, 55MB 64b/line 20-way L3 cache
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
cpu0: apic clock running at 1000MHz
cpu at mainbus0: not configured
ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins
acpiprt0 at acpi0: bus 0 (PCI0)
"ACPI0006" at acpi0 not configured
acpipci0 at acpi0 PCI0
acpicmos0 at acpi0
"PNP0303" at acpi0 not configured
"PNP0F13" at acpi0 not configured
com0 at acpi0 COM1 addr 0x3f8/0x8 irq 4: ns16550a, 16 byte fifo
com0: console
com1 at acpi0 COM2 addr 0x2f8/0x8 irq 3: ns16550a, 16 byte fifo
com2 at acpi0 COM3 addr 0x3e8/0x8 irq 6: ns16550a, 16 byte fifo
com3 at acpi0 COM4 addr 0x2e8/0x8 irq 7: ns16550a, 16 byte fifo
"QEMU0001" at acpi0 not configured
acpicpu0 at acpi0: C1(@1 halt!)
cpu0: using VERW MDS workaround
pvbus0 at mainbus0: KVM
pvclock0 at pvbus0
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02
pcib0 at pci0 dev 1 function 0 "Intel 82371AB PIIX4 ISA" rev 0x03
piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: SMBus disabled
virtio0 at pci0 dev 3 function 0 "Qumranet Virtio SCSI" rev 0x00
vioscsi0 at virtio0: qsize 16384
virtio0: msix per-VQ
scsibus1 at vioscsi0: 253 targets
sd0 at scsibus1 targ 1 lun 0: <Google, PersistentDisk, 1> serial.Google_PersistentDisk_
sd0: 2048MB, 512 bytes/sector, 4194304 sectors, thin
virtio1 at pci0 dev 4 function 0 "Qumranet Virtio Network" rev 0x00
vio0 at virtio1: 1 queue, address 42:01:0a:80:00:92
virtio1: msix per-VQ
unknown vendor 0x1ae0 product 0xa002 (class display subclass VGA, rev 0x01) at pci0 dev 5 function 0 not configured
virtio2 at pci0 dev 6 function 0 "Qumranet Virtio Memory Balloon" rev 0x00
viomb0 at virtio2
virtio2: apic 0 int 10
virtio3 at pci0 dev 7 function 0 "Qumranet Virtio RNG" rev 0x00
viornd0 at virtio3
virtio3: msix per-VQ
isa0 at pcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5 irq 1 irq 12
pckbd0 at pckbc0 (kbd slot)
wskbd0 at pckbd0 mux 1
pms0 at pckbc0 (aux slot)
wsmouse0 at pms0 mux 0
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
vmm0 at mainbus0: VMX/EPT (using slow L1TF mitigation)
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (f12c363e9b15f6d5.a) swap on sd0b dump on sd0b
WARNING: / was not properly unmounted
WARNING: clock lost 28865 days
WARNING: CHECK AND RESET THE DATE!