linux-kernel - Re: [PATCH][RESEND] selftests: splice: Adjust for handler fallback removal

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Message-ID: <db164ec1-6819-58cc-2ec0-8c6ff7bf0770@linuxfoundation.org>
Date:   Fri, 4 Jun 2021 15:33:13 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Kees Cook <keescook@...omium.org>, Shuah Khan <shuah@...nel.org>
Cc:     kernel test robot <rong.a.chen@...el.com>,
        Christoph Hellwig <hch@....de>,
        linux-kselftest@...r.kernel.org, Al Viro <viro@...iv.linux.org.uk>,
        linux-kernel@...r.kernel.org,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH][RESEND] selftests: splice: Adjust for handler fallback
 removal

On 5/26/21 9:25 PM, Kees Cook wrote:
> Some pseudo-filesystems do not have an explicit splice fops since adding
> commit 36e2c7421f02 ("fs: don't allow splice read/write without explicit ops"),
> and now will reject attempts to use splice() in those filesystem paths.
> 
> Reported-by: kernel test robot <rong.a.chen@...el.com>
> Link: https://lore.kernel.org/lkml/202009181443.C2179FB@keescook/
> Fixes: 36e2c7421f02 ("fs: don't allow splice read/write without explicit ops")
> Cc: Christoph Hellwig <hch@....de>
> Cc: Shuah Khan <shuah@...nel.org>
> Cc: linux-kselftest@...r.kernel.org
> Signed-off-by: Kees Cook <keescook@...omium.org>
> ---
> Resend of https://lore.kernel.org/linux-kselftest/20201005204517.2652730-1-keescook@chromium.org/
> ---
>   .../selftests/splice/short_splice_read.sh     | 119 ++++++++++++++----
>   1 file changed, 98 insertions(+), 21 deletions(-)

Will pick this up for 5.14

thanks,
-- Shuah