| Date | Sun, 13 Apr 2008 22:06:24 +0200 | From | Patrick McHardy <> | Subject | Re: 2.6.25-rc9: Reported regressions from 2.6.24 |
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[CC list trimmed slightly]
Patrick McHardy wrote: > Rafael J. Wysocki wrote: >> This message contains a list of some regressions from 2.6.24, for >> which there >> are no fixes in the mainline I know of. If any of them have been >> fixed already, >> please let me know. >> >> >> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=10323 >> Subject : panic using bridging on linus kernel 2.6.25-rc6 >> Submitter : Andy Gospodarek <andy@greyhouse.net> >> Date : 2008-03-25 11:40 (20 days old) > > This looks like another network-namespace regression. > icmp_send() does: > > net = rt->u.dst.dev->nd_net; > > The bridge netfilter code attaches a fake dst_entry to the > skb which has dev == NULL when passing it to IPv4 netfilter. > > Pavel, do you have a better ideas for fixing this than > instantiating a dst_entry in br_netfilter.c for every > device (or at least for every namespace)?
The description of the problem was not entirely correct, the bridge-netfilter dst_entry does have a proper device pointer, it points to a dummy net_device structure however that doesn't have a namespace associated with it. This blows up in __ip_route_output_key.
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