Messages in this thread | | | Date | Thu, 17 Sep 2015 10:58:52 +0200 | From | Thierry Reding <> | Subject | Re: [linux-next] oops in ip_route_input_noref |
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On Wed, Sep 16, 2015 at 09:04:15AM -0600, David Ahern wrote: > On 9/16/15 9:00 AM, Fabio Estevam wrote: > >On Wed, Sep 16, 2015 at 6:24 AM, Sergey Senozhatsky > ><sergey.senozhatsky.work@gmail.com> wrote: > > > >>added by b7503e0cdb5dbec5d201aa69d8888c14679b5ae8 > >> > >> net: Add FIB table id to rtable > >> > >> Add the FIB table id to rtable to make the information available for > >> IPv4 as it is for IPv6. > > > >I see the same issue here when booting a mx25 ARM processor via NFS. > > > >defconfig is arch/arm/configs/imx_v4_v5_defconfig. > > > > I am still not able to reproduce. While I work on a full Cumulus image for > other test cases here's a patch to try; eagle eye Nikolay noted a potential > use without init in the maze of goto's. > > Thanks, > David
> diff --git a/net/ipv4/route.c b/net/ipv4/route.c > index da427a4a33fe..80f7c5b7b832 100644 > --- a/net/ipv4/route.c > +++ b/net/ipv4/route.c > @@ -1712,6 +1712,7 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, > goto martian_source; > > res.fi = NULL; > + res.table = NULL; > if (ipv4_is_lbcast(daddr) || (saddr == 0 && daddr == 0)) > goto brd_input; > > @@ -1834,6 +1835,7 @@ out: return err; > RT_CACHE_STAT_INC(in_no_route); > res.type = RTN_UNREACHABLE; > res.fi = NULL; > + res.table = NULL; > goto local_input; > > /*
I was seeing the same oops as Fabio (except that the faulting address was 0xb instead of 0x7) and after applying this patch I no longer see it:
Tested-by: Thierry Reding <treding@nvidia.com> [unhandled content-type:application/pgp-signature] | |