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Date:   Tue, 28 Apr 2020 10:51:26 +1000
From:   Aleksa Sarai <cyphar@cyphar.com>
To:     Cyril Hrubis <chrubis@suse.cz>
Cc:     kernel test robot <rong.a.chen@intel.com>,
        Josh Triplett <josh@joshtriplett.org>,
        linux-arch@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
        Arnd Bergmann <arnd@arndb.de>, linux-kernel@vger.kernel.org,
        lkp@lists.01.org, Alexander Viro <viro@zeniv.linux.org.uk>,
        linux-fsdevel@vger.kernel.org, io-uring@vger.kernel.org,
        ltp@lists.linux.it
Subject: Re: [LTP] [fs] ce436509a8: ltp.openat203.fail
Message-ID: <20200428005126.6wncibudt6ohghvc@yavin.dot.cyphar.com>
References: <f969e7d45a8e83efc1ca13d675efd8775f13f376.1586830316.git.josh@joshtriplett.org>
 <20200427135210.GB5770@shao2-debian>
 <20200427142733.GD7661@rei>
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On 2020-04-27, Cyril Hrubis <chrubis@suse.cz> wrote:
> Hi!
> > commit: ce436509a8e109330c56bb4d8ec87d258788f5f4 ("[PATCH v4 2/3] fs: o=
penat2: Extend open_how to allow userspace-selected fds")
> > url: https://github.com/0day-ci/linux/commits/Josh-Triplett/Support-use=
rspace-selected-fds/20200414-102939
> > base: https://git.kernel.org/cgit/linux/kernel/git/shuah/linux-kselftes=
t.git next
>=20
> This commit adds fd parameter to the how structure where LTP test was
> previously passing garbage, which obviously causes the difference in
> errno.
>=20
> This could be safely ignored for now, if the patch gets merged the test
> needs to be updated.

It wouldn't be a bad idea to switch the test to figure out the ksize of
the struct, so that you only add bad padding after that. But then again,
this would be a bit ugly -- having CHECK_FIELDS would make this simpler.

--=20
Aleksa Sarai
Senior Software Engineer (Containers)
SUSE Linux GmbH
<https://www.cyphar.com/>

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