Re: iptables -> can't initialize iptables table `filter': Bad file descriptor

["Salatiel Filho" <salatiel.filho@gmail.com>]

On 12/4/07, Patrick McHardy <kaber@trash.net> wrote:
> Jan Engelhardt wrote:
> > On Dec 4 2007 09:18, Patrick McHardy wrote:
> >> Salatiel Filho wrote:
> >>> On Dec 3, 2007 5:07 AM, Patrick McHardy <kaber@trash.net> wrote:
> >>>> Salatiel Filho wrote:
> >>>>> # iptables -L
> >>>>> iptables v1.3.6: can't initialize iptables table `filter': Bad file
> >>>>> descriptor
> >>>>> Perhaps iptables or your kernel needs to be upgraded.
> >>>>>
> >>>>> My machine is a ARM machine with debian 4.0.
> >>>>> I also have already tried 1.3.8 and got the same error.
> >>>> Which kernel version (please also send .config)? Did you compile
> >>>> iptables yourself or used a version from Debian?
> >>>>
> >
> > This looks more like an userspace issue. The strace log shows that the
> > netlink socket was obtained, but calls setsockopt with fd=-1.
> > Just a guess, though.
>
>
> Right, I missed that, thanks. Jesper seems to be correct, if autoloading
> fails we close the socket and decrement sockfd_use twice, which causes
> iptables to not open it again for the second attempt.
>
> Salatiel, does this patch fix the problem?
>
> Index: libiptc/libiptc.c
> ===================================================================
> --- libiptc/libiptc.c   (Revision 7130)
> +++ libiptc/libiptc.c   (Arbeitskopie)
> @@ -866,10 +866,6 @@
>         CHECK(h);
>         return h;
>  error:
> -       if (--sockfd_use == 0) {
> -               close(sockfd);
> -               sockfd = -1;
> -       }
>         TC_FREE(&h);
>         return NULL;
>  }
>
>

I tried the patch but it didn`t work.

~# iptables --version [patched now]
iptables v1.3.8

~# iptables -L
iptables v1.3.8: can't initialize iptables table `filter': Invalid argument
Perhaps iptables or your kernel needs to be upgraded.

~# lsmod
Module                  Size  Used by
iptable_filter          2304  0
ip_tables              22016  1 iptable_filter
snd_mixer_oss          14848  0
snd                    41976  1 snd_mixer_oss
soundcore               7524  1 snd

-- 
[]'s
Salatiel

"O maior prazer do inteligente é bancar o  idiota
   diante de um  idiota que banca o inteligente".
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