panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff82883a77) at panic+0x16f sys/kern/subr_prf.c:229
ufs_rename(ffff800031adb578) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:904
VOP_RENAME(fffffd8067b0a6c0,fffffd806d35ae60,ffff800031adb748,fffffd8067a3ab00,0,ffff800031adb698) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370
dorenameat(ffff80002a181aa8,ffffff9c,20000500,ffffff9c,20000540) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994
syscall(ffff800031adb910) at syscall+0x5f0 mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff800031adb910) at syscall+0x5f0 sys/arch/amd64/amd64/trap.c:591
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x50f5d81c1c0, count: 251
End of stack trace.