panic: acquirinpgan bilco:c kkaeblrne esll e ep lo ck wi t h s p in l oc k o r c r i ti c a l s ec t

[syzbot]

Hello,

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=1155e75d700000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=bce0784ddcbf2fb0e07c

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+bce078...@syzkaller.appspotmail.com

panic: acquirinpgan bilco:c kkaeblrne esll e ep lo ck wi t h s p in l oc k o r c r i ti c a l s ec t i o n h e ld ( k e r n e l_ l o ck ) & k e r ne l _ l o ck
Sdtaiargtinngo ssttiacc ak stsreartcie.o.n.
"!_kernel_lock_held()" failed: fpianliec ("/ffsyffzkffalflfe8r2/5maa56nab6ge)r sat/ multicore/kernel/sys/uvm/puanvicm_+m0axp16.bc
", line 2734
Parallel tracebackwi,t nseupsspr_eschseecdk.o.r.d
er(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd8068ffe198) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd8068ffe198) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd8068ffe080) at
dump to dev 4,1s onrwoat kpeousspi+b0lxec9

rpeabniooct:i nkger..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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[Anton Lindqvist]

#syz invalid