On 16/12/17 11:17, Nikolay Aleksandrov wrote: > On 16/12/17 02:37, Andrei Vagin wrote: >> Hi, >> >> We run criu tests for linux-next and today we get this bug: >> >> The kernel version is 4.15.0-rc3-next-20171215 >> >> [ 235.397328] BUG: unable to handle kernel NULL pointer dereference >> at 000000000000000c >> [ 235.398624] IP: fdb_find_rcu+0x3c/0x130 > [snip] > > Hi, > Thanks for the report, I've missed the changelink before dev creation case > when I did
err, s/changelink/br_stp_change_bridge_id/ the other options are set after register_netdevice, this is the only one changed before > the rhashtable conversion, some of the options do fdb lookups as part of > their routine > but we don't have the table initialized yet at that point. > I'll send a fix after some testing. > > Thanks, > Nik > >
