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Date:   Mon, 15 Jun 2020 10:03:01 -0400 (EDT)
From:   Jan Stancek <jstancek@redhat.com>
To:     Cyril Hrubis <chrubis@suse.cz>
Cc:     kernel test robot <rong.a.chen@intel.com>,
        "Eric W. Biederman" <ebiederm@xmission.com>,
        Jann Horn <jannh@google.com>,
        LKML <linux-kernel@vger.kernel.org>, lkp@lists.01.org,
        Aleksa Sarai <cyphar@cyphar.com>,
        Michael Kerrisk <mtk.manpages@gmail.com>,
        Christian Brauner <christian.brauner@ubuntu.com>,
        ltp@lists.linux.it, Serge Hallyn <serge@hallyn.com>
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In-Reply-To: <20200615091850.GA3373@yuki.lan>
References: <20200615085836.GR12456@shao2-debian> <20200615091850.GA3373@yuki.lan>
Subject: Re: [LTP] 303cc571d1: ltp.setns01.fail
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----- Original Message -----
> Hi!
> > setns01     6  TFAIL  :  setns01.c:176: regular file fd exp_errno=22:
> > errno=EBADF(9): Bad file descriptor
> > setns01     0  TINFO  :  setns(12, 0x20000)
> > setns01     7  TFAIL  :  setns01.c:176: regular file fd exp_errno=22:
> > errno=EBADF(9): Bad file descriptor
> > setns01     0  TINFO  :  setns(12, 0x40000000)
> > setns01     8  TFAIL  :  setns01.c:176: regular file fd exp_errno=22:
> > errno=EBADF(9): Bad file descriptor
> > setns01     0  TINFO  :  setns(12, 0x20000000)
> > setns01     9  TFAIL  :  setns01.c:176: regular file fd exp_errno=22:
> > errno=EBADF(9): Bad file descriptor
> > setns01     0  TINFO  :  setns(12, 0x4000000)
> > setns01    10  TFAIL  :  setns01.c:176: regular file fd exp_errno=22:
> > errno=EBADF(9): Bad file descriptor
> 
> The messages here are a bit cryptic, I will fix that later on, but what
> it means here is that the errno has changed from EINVAL to EBADF in a
> case we pass file descriptor to a regular file to setns().

I posted a series that accepts both errnos about week ago:
  https://lists.linux.it/pipermail/ltp/2020-June/017467.html