Re: [PATCH nf] netfilter: conntrack: fix race in __nf_conntrack_confirm against get_next_corpse

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On Wed, Nov 12, 2014 at 08:35:00AM +0100, Jesper Dangaard Brouer wrote:
> > > -	/* We have to check the DYING flag inside the lock to prevent
> > > +
> > > +	/* We have to check the DYING flag after unlink to prevent
> > >  	   a race against nf_ct_get_next_corpse() possibly called from
> > >  	   user context, else we insert an already 'dead' hash, blocking
> > >  	   further use of that particular connection -JM */
> > 
> > While at this, I think it would be good to fix comment style to:
> > 
> >         /* We have ...
> >          * ...
> >          */
> > 
> > I can fix this here, no need to resend, just let me know.
> 
> Okay, I was just trying to keep the changes as minimal as possible, if
> this should go into a stable-kernel.  Your choice.

I'm going to take this patch including the comment style fix, I would
like to avoid specific patches to fix coding style issues, and the
first line of this comment is updated. I think the patch will be still
small to fulfill -stable rules.

I'll send a follow a patch to change the return verdict to NF_DROP to
not mix up different things.

Thanks!
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