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

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Message-ID: <CAHC9VhSz-Dq2uph47B4VRyH-jOKER+5Ajm5pxjQuYcdR4GjH-g@mail.gmail.com>
Date:   Thu, 1 Mar 2018 11:20:55 -0500
From:   Paul Moore <paul@...l-moore.com>
To:     Richard Haines <richard_c_haines@...nternet.com>
Cc:     Anders Roxell <anders.roxell@...aro.org>, 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 9:36 AM, Richard Haines
<richard_c_haines@...nternet.com> wrote:
> On Thu, 2018-03-01 at 08:42 -0500, Paul Moore wrote:
>> On Thu, Mar 1, 2018 at 3:33 AM, Anders Roxell <anders.roxell@...aro.o
>> rg> 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/testcas
>> > es/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).
>
> I'll have a look today.

Thanks.  Let me know if you get stuck.

-- 
paul moore
www.paul-moore.com