Messages in this thread | | | Subject | Re: BUG: unable to handle kernel NULL pointer dereference in fdb_find_rcu | From | Nikolay Aleksandrov <> | Date | Sat, 16 Dec 2017 11:17:17 +0200 |
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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 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
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