Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Sachin Sant <sachinp@linux.vnet.ibm.com>
Content-Type: text/plain;
        charset=us-ascii
Content-Transfer-Encoding: 8BIT
Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.14\))
Subject: [next-20200621] LTP tests af_alg02/05 failure on POWER9 PowerVM LPAR
Message-Id: <DF21C7B5-3824-4A6E-B59C-78B67E247383@linux.vnet.ibm.com>
Date:   Mon, 22 Jun 2020 17:55:29 +0530
Cc:     Linux Next Mailing List <linux-next@vger.kernel.org>,
        linuxppc-dev@lists.ozlabs.org
To:     herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org
Sender: linux-crypto-owner@vger.kernel.org
Precedence: bulk

With recent next(next-20200621) af_alg02/05 tests fail while running on POWER9
PowerVM LPAR.

Results from  5.8.0-rc1-next-20200622
# ./af_alg02
tst_test.c:1096: INFO: Timeout per run is 0h 00m 20s
af_alg02.c:52: BROK: Timed out while reading from request socket.
#

5.8.0-rc1-next-20200618 was good. The test case ran fine.

Root cause analysis point to following commit:

commit f3c802a1f30013f8f723b62d7fa49eb9e991da23
    crypto: algif_aead - Only wake up when ctx->more is zero

Reverting this commit allows the test to PASS.

Results after reverting the mentioned commit:

# uname -r
5.8.0-rc1-next-20200622-dirty
# ./af_alg02 
tst_test.c:1096: INFO: Timeout per run is 0h 00m 20s
af_alg02.c:33: PASS: Successfully "encrypted" an empty message
#
# ./af_alg05
tst_test.c:1096: INFO: Timeout per run is 0h 05m 00s
af_alg05.c:34: PASS: read() expectedly failed with EINVAL
# 

Thanks
-Sachin