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Date:   Wed, 12 Jul 2023 22:01:33 -0600
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Subject: Re: [PATCH 6.4 0/6] 6.4.3-rc2 review
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To:     Jakub Kicinski <kuba@kernel.org>
Cc:     Naresh Kamboju <naresh.kamboju@linaro.org>,
        Netdev <netdev@vger.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, patches@lists.linux.dev,
        linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
        akpm@linux-foundation.org, linux@roeck-us.net, shuah@kernel.org,
        patches@kernelci.org, lkft-triage@lists.linaro.org,
        jonathanh@nvidia.com, f.fainelli@gmail.com,
        sudipm.mukherjee@gmail.com, srw@sladewatkins.net, rwarsow@gmx.de,
        conor@kernel.org, Qingfang DENG <qingfang.deng@siflower.com.cn>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Paolo Abeni <pabeni@redhat.com>,
        YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>,
        Masahide NAKAMURA <nakam@linux-ipv6.org>,
        Ville Nuorvala <vnuorval@tcs.hut.fi>,
        Arnd Bergmann <arnd@arndb.de>, Pavel Machek <pavel@denx.de>
References: <20230709203826.141774942@linuxfoundation.org>
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 <20230712110240.2b232f84@kernel.org>
From:   David Ahern <dsahern@gmail.com>
In-Reply-To: <20230712110240.2b232f84@kernel.org>
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On 7/12/23 12:02 PM, Jakub Kicinski wrote:
> On Wed, 12 Jul 2023 18:41:46 +0530 Naresh Kamboju wrote:
>> That is the commit id from stable-rc tree.
>>
>> I have re-tested the reported issues multiple times and
>> it seems that it is intermittently reproducible.
>> Following list of links shows kernel crashes while testing
>> selftest net pmtu.sh
>>
>> 1)
>> Unable to handle kernel paging request at virtual address
>> https://lkft.validation.linaro.org/scheduler/job/6579624#L4648
>>
>>
>> 2)
>> include/net/neighbour.h:302 suspicious rcu_dereference_check() usage!
>>
>> https://lkft.validation.linaro.org/scheduler/job/6579625#L7500
>> https://lkft.validation.linaro.org/scheduler/job/6579626#L7509
>> https://lkft.validation.linaro.org/scheduler/job/6579622#L7537
>> https://lkft.validation.linaro.org/scheduler/job/6579623#L7469
> 
> Nothing jumps out at me.
> 
> David, any ideas?

No. Since it is a selftest in the linux repo, any chance for a git
bisect based on that one test?