linux-kernel - Re: [net] 65a1e5c409: canonical

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Message-ID: <f7f30927-9f36-ec92-cfdc-cb216115a39f@kernel.dk>
Date:   Sat, 16 Jul 2022 08:26:26 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     kernel test robot <oliver.sang@...el.com>,
        Dylan Yudaken <dylany@...com>
Cc:     0day robot <lkp@...el.com>, Paolo Abeni <pabeni@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org,
        lkp@...ts.01.org, Pavel Begunkov <asml.silence@...il.com>,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        io-uring@...r.kernel.org, Kernel-team@...com
Subject: Re: [net] 65a1e5c409: canonical_address#:#[##]

On 7/16/22 8:09 AM, kernel test robot wrote:
> 
> 
> Greeting,
> 
> FYI, we noticed the following commit (built with gcc-11):
> 
> commit: 65a1e5c409f2b56b025f913b9cfbc8ae3a717c9a ("[PATCH v3 for-next 2/3] net: copy from user before calling __get_compat_msghdr")
> url: https://github.com/intel-lab-lkp/linux/commits/Dylan-Yudaken/io_uring-multishot-recvmsg/20220714-190504
> patch link: https://lore.kernel.org/io-uring/20220714110258.1336200-3-dylany@fb.com
> 
> in testcase: boot
> 
> on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
> 
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):

This is the same as the issue reported by Marek, should be fixed by:

https://git.kernel.dk/cgit/linux-block/commit/?h=for-5.20/io_uring&id=e544477ca928416bf3897b8461672752eb6581fe

-- 
Jens Axboe