netdev - Re: Regression found when running LTP connect01 on next-20180301

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Message-ID: <CAHC9VhQAnsSTK4V2w3+CiikR6465Jpnu7_vr=3VFEQch7LECtA@mail.gmail.com>
Date:   Thu, 1 Mar 2018 08:42:08 -0500
From:   Paul Moore <paul@...l-moore.com>
To:     Anders Roxell <anders.roxell@...aro.org>,
        richard_c_haines@...nternet.com
Cc:     netdev@...r.kernel.org, selinux@...ho.nsa.gov,
        linux-kernel@...r.kernel.org
Subject: Re: Regression found when running LTP connect01 on next-20180301

On Thu, Mar 1, 2018 at 3:33 AM, Anders Roxell <anders.roxell@...aro.org> wrote:
> Hi,
>
> I was running LTP's testcase connect01 [1] and found a regression in linux-next
> (next-20180301).  Bisect gave me this patch as the problematic patch (sha
> d452930fd3b9 "selinux: Add SCTP support") on a x86 target.
>
> Output from the test(LTP release 20180118):
> $ cd /opt/ltp/
> $ cat runtest/syscalls |grep connect01>runtest/connect-syscall
> $ ./runltp -pq -f connect-syscall
> "
> Running tests.......
> connect01    1  TPASS  :  bad file descriptor successful
> connect01    2  TPASS  :  invalid socket buffer successful
> connect01    3  TPASS  :  invalid salen successful
> connect01    4  TPASS  :  invalid socket successful
> connect01    5  TPASS  :  already connected successful
> connect01    6  TPASS  :  connection refused successful
> connect01    7  TFAIL  :  connect01.c:146: invalid address family ; returned -1 (expected -1), errno 22 (expected 97)
> INFO: ltp-pan reported some tests FAIL
> LTP Version: 20180118
> "
>
> The output from the test expected 97 and we received 22, can you please
> elaborate on what have been changed?
>
> Cheers,
> Anders
> [1] https://github.com/linux-test-project/ltp/blob/20180118/testcases/kernel/syscalls/connect/connect01.c#L146

Hi Anders,

Thanks for the report.  Out of curiosity, we're you running the full
LTP test suite and this was the only failure, or did you just run the
connect01 test?  Either answer is fine, I'm just trying to understand
the scope of the regression.

Richard, are you able to look into this?  If not, let me know and I'll
dig a bit deeper (I'll likely take a quick look today, but if the
failure is subtle it might require some digging).

-- 
paul moore
www.paul-moore.com