panic: vref used where vget required
Starting stack trace...
panic(ffffffff828d06d1) at panic+0x16f sys/kern/subr_prf.c:229
vref(fffffd805d58ba50) at vref+0xc7 sys/kern/vfs_subr.c:698
namei(ffff80002efac6f8) at namei+0x3b2 sys/kern/vfs_lookup.c:221
vn_open(ffff80002efac6f8,30001,0) at vn_open+0x101 sys/kern/vfs_vnops.c:140
doopenat(ffff8000ffffc530,ffffff9c,7d82caa4c850,30000,0,ffff80002efac8a0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
syscall(ffff80002efac950) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80002efac950) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7d82caa4c350, count: 250
End of stack trace.