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List:       linux-keyrings
Subject:    Re: [PATCH] crypto: af_alg - Fix regression on empty requests
From:       Naresh Kamboju <naresh.kamboju () linaro ! org>
Date:       2020-06-30 8:48:29
Message-ID: CA+G9fYutuU55iL_6Qrk3oG3iq-37PaxvtA4KnEQHuLH9YpH-QA () mail ! gmail ! com
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On Fri, 26 Jun 2020 at 12:00, Herbert Xu <herbert@gondor.apana.org.au> wrote:
> 
> On Tue, Jun 23, 2020 at 10:02:17AM -0700, Eric Biggers wrote:
> > 
> > The source code for the two failing AF_ALG tests is here:
> > 
> > https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/crypto/af_alg02.c
> >  https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/crypto/af_alg05.c
> >  
> > They use read() and write(), not send() and recv().
> > 
> > af_alg02 uses read() to read from a "salsa20" request socket without writing
> > anything to it.  It is expected that this returns 0, i.e. that behaves like
> > encrypting an empty message.

Since we are on this subject,
LTP af_alg02  test case fails on stable 4.9 and stable 4.4
This is not a regression because the test case has been failing from
the beginning.

Is this test case expected to fail on stable 4.9 and 4.4 ?
or any chance to fix this on these older branches ?

Test output:
af_alg02.c:52: BROK: Timed out while reading from request socket.

ref:
https://qa-reports.linaro.org/lkft/linux-stable-rc-4.9-oe/build/v4.9.228-191-g082e807235d7/testrun/2884917/suite/ltp-crypto-tests/test/af_alg02/history/
 https://qa-reports.linaro.org/lkft/linux-stable-rc-4.9-oe/build/v4.9.228-191-g082e807235d7/testrun/2884606/suite/ltp-crypto-tests/test/af_alg02/log


- Naresh


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