[ 141.7740859] panic: kernel diagnostic assertion "(so2->so_options & SO_ACCEPTCONN) == 0 || so2->so_lock == uipc_lock" failed: file "/syzkaller/managers/netbsd/kernel/sys/kern/uipc_usrreq.c", line 1201 
[ 141.7969620] cpu0: Begin traceback...
[ 141.7969620] vpanic() at netbsd:vpanic+0x214
[ 141.8047450] _GLOBAL__sub_D_65535_0_cpu_configure() at netbsd:_GLOBAL__sub_D_65535_0_cpu_configure
[ 141.8241352] unp_connect() at netbsd:unp_connect+0x49a
[ 141.8341474] do_sys_connect() at netbsd:do_sys_connect+0x149
[ 141.8441585] sys_connect() at netbsd:sys_connect+0xb6
[ 141.8541658] sys___syscall() at netbsd:sys___syscall+0xe2
[ 141.8641757] syscall() at netbsd:syscall+0x32e
[ 141.8752526] --- syscall (number 198) ---
[ 141.8752526] 7419c123f4aa:
[ 141.8844078] cpu0: End traceback...

[ 141.8844078] dumping to dev 4,1 (offset=0, size=0): not possible
[ 141.8844078] rebooting...
SeaBIOS (version 1.8.2-20190322_093631-google)
Total RAM Size = 0x00000001e0000000 = 7680 MiB
CPUs found: 2     Max CPUs supported: 2
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 0x000f29c0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Booting from Hard Disk 0...

>> NetBSD/x86 BIOS Boot, Revision 5.10 (Tue Jul 17 14:59:51 UTC 2018) (from NetBSD 8.0)
>> Memory: 639/3144640 k

     1. Boot normally
     2. Boot single user
     3. Disable ACPI
     4. Disable ACPI and SMP
     5. Drop to boot prompt