linux-kernel - LTP: mm: overcommit_memory01, 03...06 failed

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Date:   Wed, 15 May 2019 14:10:43 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     ltp@...ts.linux.it, linux-mm@...ck.org
Cc:     open list <linux-kernel@...r.kernel.org>,
        Jan Stancek <jstancek@...hat.com>,
        lkft-triage@...ts.linaro.org, dengke.du@...driver.com,
        petr.vorel@...il.com
Subject: LTP: mm: overcommit_memory01, 03...06 failed

ltp-mm-tests failed on Linux mainline kernel  5.1.0,
  * overcommit_memory01 overcommit_memory
  * overcommit_memory03 overcommit_memory -R 30
  * overcommit_memory04 overcommit_memory -R 80
  * overcommit_memory05 overcommit_memory -R 100
  * overcommit_memory06 overcommit_memory -R 200

mem.c:814: INFO: set overcommit_memory to 0
overcommit_memory.c:185: INFO: malloc 8094844 kB successfully
overcommit_memory.c:204: PASS: alloc passed as expected
overcommit_memory.c:189: INFO: malloc 32379376 kB failed
overcommit_memory.c:210: PASS: alloc failed as expected
overcommit_memory.c:185: INFO: malloc 16360216 kB successfully
overcommit_memory.c:212: FAIL: alloc passed, expected to fail

Failed test log,
https://lkft.validation.linaro.org/scheduler/job/726417#L22852

LTP version 20190115

Test case link,
https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/mem/tunable/overcommit_memory.c#L212

First bad commit:
git branch master
git commit e0654264c4806dc436b291294a0fbf9be7571ab6
git describe v5.1-10706-ge0654264c480
git repo https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

Last good commit:
git branch master
git commit 7e9890a3500d95c01511a4c45b7e7192dfa47ae2
git describe v5.1-10326-g7e9890a3500d
git repo https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

Best regards
Naresh Kamboju