linux-kernel - Re: [netfilter] e32a4dc651: BUG:using_smp_processor_id()in

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Date:   Fri, 5 Jun 2020 00:23:23 +0200
From:   Stefano Brivio <sbrivio@...hat.com>
To:     kernel test robot <lkp@...el.com>
Cc:     Florian Westphal <fw@...len.de>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org
Subject: Re: [netfilter] e32a4dc651:
 BUG:using_smp_processor_id()in_preemptible

Hi,

On Wed, 3 Jun 2020 16:49:34 +0800
kernel test robot <lkp@...el.com> wrote:

> Greeting,
> 
> FYI, we noticed the following commit (built with gcc-7):
> 
> commit: e32a4dc6512ce3c1a1920531246e7037896e510a ("netfilter: nf_tables: make sets built-in")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
> 
> in testcase: kernel-selftests
> with following parameters:
> 
> 	group: kselftests-netfilter

I couldn't find this information in the report. Would it be possible to
have here an indication of what kselftest specifically is failing?
There are a number of tests in that group. I have an obvious suspicion
here (nft_concat_range.sh), but it would be nice to know, in general.

> [...]
>
> [  165.316525] BUG: using smp_processor_id() in preemptible [00000000] code: nft/6247
> [  165.319547] caller is nft_pipapo_insert+0x464/0x610 [nf_tables]

I'll take care of this, thanks Florian for forwarding.

-- 
Stefano