linux-kernel - LTP: madvise08.c:203: TFAIL: No sequence in dump after MADV

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Date:   Mon, 25 Jan 2021 20:18:16 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     open list <linux-kernel@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        LTP List <ltp@...ts.linux.it>, lkft-triage@...ts.linaro.org
Cc:     chrubis <chrubis@...e.cz>, Jan Stancek <jstancek@...hat.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Arnd Bergmann <arnd@...db.de>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Christian Brauner <christian@...uner.io>,
        Kees Cook <keescook@...omium.org>,
        Peter Xu <peterx@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Petr Vorel <pvorel@...e.cz>,
        Richard Palethorpe <rpalethorpe@...e.com>,
        Joerg.Vehlow@...-tech.de
Subject: LTP: madvise08.c:203: TFAIL: No sequence in dump after MADV_DODUMP.

LTP syscalls madvise08 test case failed on all devices from
Linux next 20210118 to till day.
strace log attached to this email and link provided below.

BAD: next-20210118
GOOD: next-20210115

This failure is easily reproducible on Linux next tag 20210118 above.

tst_test.c:1250: TINFO: Timeout per run is 0h 15m 00s
madvise08.c:73: TINFO: Temporary core pattern is
'/scratch/ltp-2nftQzNI1K/HclFMH/dump-%p'
madvise08.c:112: TINFO: Dump file should be dump-10109
madvise08.c:196: TPASS: madvise(..., MADV_DONTDUMP)
madvise08.c:112: TINFO: Dump file should be dump-10110
madvise08.c:203: TFAIL: No sequence in dump after MADV_DODUMP.

strace log,
https://lkft.validation.linaro.org/scheduler/job/2184866#L1257

Full test log link,
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20210118/testrun/3771572/suite/ltp-syscalls-tests/test/madvise08/log

Test case link,
https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/syscalls/madvise/madvise08.c#L203

metadata:
  git branch: master
  git repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
  git describe: next-20210118
  kernel-config: https://builds.tuxbuild.com/1nERt1Y6o3JSvLbiPXYTb9PMo1O/config

-- 
Linaro LKFT
https://lkft.linaro.org

View attachment "madvise08-strace.log" of type "text/x-log" (13165 bytes)