syzbot found the following issue on:
HEAD commit: 4ff57d1d979c Adjust to renaming of F_CTL_ACTIVE/F_PREF_ACT..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=16c33add700000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=beb572061a719c611d9d
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+beb572...@syzkaller.appspotmail.com
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ltSictaorret/inkg ersnteacl/k sytrsa/kceer.n./.
kern_fork.c", line 678
Parallelp antrica(cefbfafckf,f fsfuf8pp2r5ae56sbs6ed) ..at.
panic+0x16b
witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(f
fdfufmffp ffto8 2db4ev6e 24,8)1 natot possible
__mp_lock+0xarpeabnoioc:t iknerg.n.e.l
diagnosticSeaBIOS (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 cacfac85-bd04-7459-f730-6e0582505e9f
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 0x000f2780: 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 3.53
boot> set $lines = 0
set: syntax error
boot> set $maxwidth = 0
set: syntax error
boot> show panic
boot: illegal argument panic
boot> trace
boot> show registers
boot> show proc
boot> ps
boot> show all locks
boot> show malloc
boot> show all pools
boot> machine ddbcpu 0
machine: syntax error
boot> trace
boot> machine ddbcpu 1
machine: syntax error
boot> trace
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