panic: ffs_valloc: dup alloc
Starting stack trace...
panic(ffffffff8336ef54) at panic+0x1d0 sys/kern/subr_prf.c:229
ffs_inode_alloc(fffffd806dfcf3d0,41ed,fffffd80097fb6e8,ffff80002a37c778) at ffs_inode_alloc+0x94e
ufs_mkdir(ffff80002a37c7e0) at ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112
VOP_MKDIR(fffffd805ecb4460,ffff80002a37c940,ffff80002a37c970,ffff80002a37c870) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394
domkdirat(ffff8000fffe6550,ffffff9c,78cd4cc19d90,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3113
syscall(ffff80002a37caf0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a37caf0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x78cd4cc19e30, count: 250
End of stack trace.