panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff8345235b) at panic+0x1d0 sys/kern/subr_prf.c:229
ufs_rename(ffff80003c505688) at ufs_rename+0x175f sys/ufs/ufs/ufs_vnops.c:883
VOP_RENAME(fffffd805ed846d0,fffffd806c4f4b10,ffff80003c505858,fffffd805ed846d0,fffffd806c4f46d8,ffff80003c5057a8) at VOP_RENAME+0x137 sys/kern/vfs_vops.c:376
dorenameat(ffff80003c4bb260,ffffff9c,200000000140,ffffff9c,2000000001c0) at dorenameat+0x3f7 sys/kern/vfs_syscalls.c:3034
syscall(ffff80003c5059f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c5059f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc9e9fad7340, count: 251
End of stack trace.