netdev - Re: [PATCH 6.4 0/6] 6.4.3-rc2 review

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Message-ID: <20230712110240.2b232f84@kernel.org>
Date: Wed, 12 Jul 2023 11:02:40 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: David Ahern <dsahern@...il.com>
Cc: Naresh Kamboju <naresh.kamboju@...aro.org>, Netdev
 <netdev@...r.kernel.org>, "open list:KERNEL SELFTEST FRAMEWORK"
 <linux-kselftest@...r.kernel.org>, Greg Kroah-Hartman
 <gregkh@...uxfoundation.org>, stable@...r.kernel.org,
 patches@...ts.linux.dev, linux-kernel@...r.kernel.org,
 torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
 linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
 lkft-triage@...ts.linaro.org, jonathanh@...dia.com, f.fainelli@...il.com,
 sudipm.mukherjee@...il.com, srw@...dewatkins.net, rwarsow@....de,
 conor@...nel.org, Qingfang DENG <qingfang.deng@...lower.com.cn>, "David S.
 Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo
 Abeni <pabeni@...hat.com>, YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>,
 Masahide NAKAMURA <nakam@...ux-ipv6.org>, Ville Nuorvala
 <vnuorval@....hut.fi>, Arnd Bergmann <arnd@...db.de>, Pavel Machek
 <pavel@...x.de>
Subject: Re: [PATCH 6.4 0/6] 6.4.3-rc2 review

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?