Re: Soft lockup on shutdown in nf_ct_iterate_cleanup()

[Chuck Ebbert <cebbert@redhat.com>]

Patrick McHardy wrote:
> Chuck Ebbert wrote:
> 
> Can you try this patch please?
> ------------------------------------------------------------------------
> 
> [NETFILTER]: conntrack: fix {nf,ip}_ct_iterate_cleanup endless loops
> 

>  include/linux/netfilter_ipv4/ip_conntrack.h  |    5 ++--
>  include/net/netfilter/nf_conntrack.h         |    5 +++-
>  include/net/netfilter/nf_nat_rule.h          |    3 ++
>  net/ipv4/netfilter/ip_conntrack_core.c       |   30 ++++++++++++++++++------
>  net/ipv4/netfilter/ip_conntrack_standalone.c |    5 ++--
>  net/ipv4/netfilter/ip_nat_core.c             |    5 ++--
>  net/ipv4/netfilter/ipt_MASQUERADE.c          |    4 ++-
>  net/ipv4/netfilter/nf_nat_core.c             |    7 ++----
>  net/netfilter/nf_conntrack_core.c            |   33 ++++++++++++++++++++------
>  net/netfilter/nf_conntrack_proto.c           |    4 ++-
>  10 files changed, 69 insertions(+), 32 deletions(-)
> 

Changes to nf_nat_core.c, ip_nat_core.c and nf_conntrack_proto.c
do not apply, and nf_conntrack_core.c changes are already there.

This is vanilla 2.6.20; looks like there have been a bunch
of changes since then.  I tried adding all of the RCU patches
but even they won't apply.