panic: bad dir
Starting stack trace...
panic(ffffffff82898b3f) at panic+0x16f sys/kern/subr_prf.c:229
ufs_lookup() at ufs_lookup+0x169a sys/ufs/ufs/ufs_lookup.c:600
VOP_LOOKUP(fffffd8074e94b20,ffff80002bf0e830,ffff80002bf0e860) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002bf0e800) at vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566
namei(ffff80002bf0e800) at namei+0x56a sys/kern/vfs_lookup.c:250
vn_open(ffff80002bf0e800,102,0) at vn_open+0x101 sys/kern/vfs_vnops.c:140
sys_ktrace(ffff8000ffff5c58,ffff80002bf0e9e0,ffff80002bf0e930) at sys_ktrace+0x84 sys/kern/kern_ktrace.c:542
syscall(ffff80002bf0e9e0) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80002bf0e9e0) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa8e55b268f0, count: 248
End of stack trace.