uvm_fault: alltraps_kern_meltdown (2)

Status: upstream: reported on 2026/04/16 07:46
Reported-by: syzbot+742febd2e60866693d2b@syzkaller.appspotmail.com
First crash: 116d, last: 16m
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd uvm_fault: alltraps_kern_meltdown -1 5 214d 365d 0/4 auto-obsoleted due to no activity on 2026/04/08 12:46

Sample crash report:
uvm_fault(0xfffffb006ceab018, 0x98, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff82005a58 cs 8 rflags 10246 cr2 98 cpl 0 rsp ffff80002a30c700
gsbase 0xffffffff83905ff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff82005a58
Starting stack trace...
panic(ffffffff834f3f3f) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80002a30c650) at kerntrap+0x30b
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
dovutimens(
ffff80003c496fc8,fffffb006a6fa6c0,ffff80002a30c830) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691
sys_futimes(ffff80003c496fc8,ffff80002a30c980,ffff80002a30c8d0) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2733
syscall(ffff80002a30c980) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a30c980) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x249748baa30, count: 250
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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device. 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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device. 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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device. 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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device. 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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device. 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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device. 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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device. 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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

No bootable device.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 a9ac2fe4-acb6-8681-33ef-3d5561e547fe
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 0x000f2600: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
Boot failed: not a bootable disk

Booting from Floppy...
Boot failed: could not read the boot disk

Booting from Hard Disk 0...
Boot failed: not a bootable disk

Crashes (15):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/11 02:39 openbsd b56428e2942e 508909ea .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: alltraps_kern_meltdown
2026/08/11 00:49 openbsd b56428e2942e 508909ea .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: alltraps_kern_meltdown
2026/08/11 00:45 openbsd b56428e2942e 508909ea .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: alltraps_kern_meltdown
2026/08/11 00:18 openbsd b56428e2942e 508909ea .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: alltraps_kern_meltdown
2026/08/10 22:06 openbsd b56428e2942e 508909ea .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: alltraps_kern_meltdown
2026/08/10 20:50 openbsd 422ca638c1d6 558388e4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: alltraps_kern_meltdown
2026/08/10 19:03 openbsd 422ca638c1d6 558388e4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: alltraps_kern_meltdown
2026/08/10 16:39 openbsd 422ca638c1d6 558388e4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: alltraps_kern_meltdown
2026/08/10 16:11 openbsd 422ca638c1d6 558388e4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: alltraps_kern_meltdown
2026/08/10 13:34 openbsd 422ca638c1d6 558388e4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: alltraps_kern_meltdown
2026/08/10 10:23 openbsd 422ca638c1d6 558388e4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main uvm_fault: alltraps_kern_meltdown
2026/08/10 09:59 openbsd 422ca638c1d6 558388e4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: alltraps_kern_meltdown
2026/06/11 16:25 openbsd 28cce1e713d0 d93a6ab6 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: alltraps_kern_meltdown
2026/05/13 23:09 openbsd ed5454cb43ec 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: alltraps_kern_meltdown
2026/04/16 07:45 openbsd 2a36b3c3c2a3 1a086e7c .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: alltraps_kern_meltdown
* Struck through repros no longer work on HEAD.