linux-kernel - Re: [LTP] 303cc571d1: ltp.setns01.fail

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Date:   Mon, 15 Jun 2020 11:18:50 +0200
From:   Cyril Hrubis <chrubis@...e.cz>
To:     kernel test robot <rong.a.chen@...el.com>
Cc:     Christian Brauner <christian.brauner@...ntu.com>,
        Jann Horn <jannh@...gle.com>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        Aleksa Sarai <cyphar@...har.com>,
        Michael Kerrisk <mtk.manpages@...il.com>,
        Serge Hallyn <serge@...lyn.com>, ltp@...ts.linux.it,
        "Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [LTP] 303cc571d1: ltp.setns01.fail

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().

-- 
Cyril Hrubis
chrubis@...e.cz