On Mon, Jul 16, 2012 at 11:07:57PM +0200, Pablo Neira Ayuso wrote:
> Hi Simon,
>
> On Wed, Jul 11, 2012 at 09:19:22AM +0900, Simon Horman wrote:
> > From: Xiaotian Feng <xtfeng@xxxxxxxxx>
> >
> > We met a kernel panic in 2.6.32.43 kernel:
> [...]
> > net/netfilter/ipvs/ip_vs_ftp.c | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
> > index b20b29c..c2bc264 100644
> > --- a/net/netfilter/ipvs/ip_vs_ftp.c
> > +++ b/net/netfilter/ipvs/ip_vs_ftp.c
> > @@ -65,8 +65,10 @@ static int ip_vs_ftp_pasv;
> > static int
> > ip_vs_ftp_init_conn(struct ip_vs_app *app, struct ip_vs_conn *cp)
> > {
> > + spin_lock(&cp->lock);
> > /* We use connection tracking for the command connection */
> > cp->flags |= IP_VS_CONN_F_NFCT;
> > + spin_unlock(&cp->lock);
> > return 0;
>
> The conntrack support for FTP IPVS helper seems to be there since
> 2.6.37.
>
> However, the patch description mentions 2.6.32.43.
>
> Something doesn't match here, could you clarify this?
My understanding is that the problem was observed with 2.6.32
but that it has been around for much longer.
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