panic: vref used where vget required
Starting stack trace...
panic(ffffffff83051025) at panic+0x1d0 sys/kern/subr_prf.c:229
vref(fffffd8063755a20) at vref+0x109 sys/kern/vfs_subr.c:698
namei(ffff80002a0f8808) at namei+0x533 sys/kern/vfs_lookup.c:221
vn_open(ffff80002a0f8808,30001,0) at vn_open+0x13f sys/kern/vfs_vnops.c:140
doopenat(ffff8000ffff4cd0,ffffff9c,7deffde41780,30000,0,ffff80002a0f89b0) at doopenat+0x31d sys/kern/vfs_syscalls.c:1123
syscall(ffff80002a0f8a60) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80002a0f8a60) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7deffde41280, count: 250
End of stack trace.