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From:   Eric Dumazet <edumazet@google.com>
Date:   Tue, 6 Apr 2021 09:09:32 +0200
Message-ID: <CANn89iL+Df9hDAkt7fPH3Dc-2CDvuLWdUAOuZB77QMNWYu_yMw@mail.gmail.com>
Subject: Re: [tcp] 4ecc1baf36: ltp.proc01.fail
To:     kernel test robot <oliver.sang@intel.com>
Cc:     "David S. Miller" <davem@davemloft.net>,
        LKML <linux-kernel@vger.kernel.org>,
        Linux Memory Management List <linux-mm@kvack.org>,
        lkp@lists.01.org, kbuild test robot <lkp@intel.com>,
        ltp@lists.linux.it
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On Tue, Apr 6, 2021 at 8:41 AM kernel test robot <oliver.sang@intel.com> wrote:
>
>
>
> Greeting,
>
> FYI, we noticed the following commit (built with gcc-9):
>
> commit: 4ecc1baf362c5df2dcabe242511e38ee28486545 ("tcp: convert elligible sysctls to u8")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>

I think this has been fixed with commit
d24f511b04b8b159b705ec32a3b8782667d1b06a ("tcp: fix tcp_min_tso_segs sysctl")

Thanks

>
> proc01      0  TINFO  :  /proc/sys/fs/binfmt_misc/register: is write-only.
> proc01      1  TFAIL  :  proc01.c:402: read failed: /proc/sys/net/ipv4/tcp_min_tso_segs: errno=EINVAL(22): Invalid argument

...

> proc01      2  TFAIL  :  proc01.c:471: readproc() failed with 1 errors.
> <<<execution_status>>>
> initiation_status="ok"
> duration=2 termination_type=exited termination_id=1 corefile=no
> cutime=13 cstime=233
> Oliver Sang
>