panic: ffs_valloc: dup alloc
Starting stack trace...
panic(ffffffff8336ef54) at panic+0x1d0 sys/kern/subr_prf.c:229
ffs_inode_alloc(fffffd806e9a8888,41ed,fffffd80097fb6e8,ffff80002a31a718) at ffs_inode_alloc+0x94e
ufs_mkdir(ffff80002a31a780) at ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112
VOP_MKDIR(fffffd80627c0e70,ffff80002a31a8e0,ffff80002a31a910,ffff80002a31a810) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394
domkdirat(ffff80003c43d4f8,ffffff9c,780a7c31c100,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3113
syscall(ffff80002a31aa90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a31aa90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x780a7c31c1a0, count: 250
End of stack trace.