Nir Tzachar wrote:
> Hello.
> 
> The following warning is reproducible with the code below on 2.6.25.6,
> which uses sendmsg on a udp socket using two iovecs:
> 
> ....
> And I always get  the following warning twice:
> 
> [ 6658.338116] ------------[ cut here ]------------
> [ 6658.338121] WARNING: at net/ipv4/netfilter/nf_nat_standalone.c:89
> nf_nat_fn+0x33/0x155()

Thanks for the report. Does this patch fix it?