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From:   Martijn Coenen <maco@android.com>
Date:   Thu, 4 Jun 2020 21:10:53 +0200
Message-ID: <CAB0TPYGo5ePYrah3Wgv_M1fx91+niRe12YaBBXGfs5b87Fjtrg@mail.gmail.com>
Subject: Re: LTP: syscalls: regression on mainline - ioctl_loop01 mknod07 setns01
To:     Naresh Kamboju <naresh.kamboju@linaro.org>
Cc:     LTP List <ltp@lists.linux.it>,
        open list <linux-kernel@vger.kernel.org>,
        linux-block <linux-block@vger.kernel.org>,
        chrubis <chrubis@suse.cz>, Arnd Bergmann <arnd@arndb.de>,
        Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
        Jan Stancek <jstancek@redhat.com>,
        Yang Xu <xuyang2018.jy@cn.fujitsu.com>,
        Xiao Yang <yangx.jy@cn.fujitsu.com>,
        Richard Palethorpe <rpalethorpe@suse.com>,
        Viresh Kumar <viresh.kumar@linaro.org>,
        lkft-triage@lists.linaro.org
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Sender: linux-kernel-owner@vger.kernel.org
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Hi Naresh,

I suspect the loop failures are due to
faf1d25440d6ad06d509dada4b6fe62fea844370 ("loop: Clean up
LOOP_SET_STATUS lo_flags handling"), I will investigate and get back
to you.

Thanks,
Martijn

On Thu, Jun 4, 2020 at 7:19 PM Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
>
> + linux-block@vger.kernel.org
>
> On Thu, 4 Jun 2020 at 22:47, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
> >
> > Following three test cases reported as regression on Linux mainline kernel
> > on x86_64, arm64, arm and i386
> >
> >   ltp-syscalls-tests:
> >     * ioctl_loop01
> >     * mknod07
> >     * setns01
> >
> > git repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> > git branch: master
> > GOOD:
> >   git commit: b23c4771ff62de8ca9b5e4a2d64491b2fb6f8f69
> >   git describe: v5.7-1230-gb23c4771ff62
> > BAD:
> >   git commit: 1ee08de1e234d95b5b4f866878b72fceb5372904
> >   git describe: v5.7-3523-g1ee08de1e234
> >
> > kernel-config: https://builds.tuxbuild.com/U3bU0dMA62OVHb4DvZIVuw/kernel.config
> >
> > We are investigating these failures.
> >
> > tst_test.c:906: CONF: btrfs driver not available
> > tst_test.c:1246: INFO: Timeout per run is 0h 15m 00s
> > tst_device.c:88: INFO: Found free device 1 '/dev/loop1'
> > ioctl_loop01.c:49: PASS: /sys/block/loop1/loop/partscan = 0
> > [ 1073.639677] loop_set_status: loop1 () has still dirty pages (nrpages=1)
> > ioctl_loop01.c:50: PASS: /sys/block/loop1/loop/autoclear = 0
> > ioctl_loop01.c:51: PASS: /sys/block/loop1/loop/backing_file =
> > '/scratch/ltp-mnIdulzriQ/9cPtLQ/test.img'
> > ioctl_loop01.c:63: FAIL: expect 12 but got 17
> > ioctl_loop01.c:67: FAIL: /sys/block/loop1/loop/partscan != 1 got 0
> > ioctl_loop01.c:68: FAIL: /sys/block/loop1/loop/autoclear != 1 got 0
> > ioctl_loop01.c:79: FAIL: access /dev/loop1p1 fails
> > [ 1073.679678] loop_set_status: loop1 () has still dirty pages (nrpages=1)
> > ioctl_loop01.c:85: FAIL: access /sys/block/loop1/loop1p1 fails
> >
> > HINT: You _MAY_ be missing kernel fixes, see:
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=10c70d95c0f2
> >
> > mke2fs 1.43.8 (1-Jan-2018)
> > [ 1264.711379] EXT4-fs (loop0): mounting ext2 file system using the
> > ext4 subsystem
> > [ 1264.716642] EXT4-fs (loop0): mounted filesystem without journal. Opts: (null)
> > mknod07     0  TINFO  :  Using test device LTP_DEV='/dev/loop0'
> > mknod07     0  TINFO  :  Formatting /dev/loop0 with ext2 opts='' extra opts=''
> > mknod07     1  TPASS  :  mknod failed as expected:
> > TEST_ERRNO=EACCES(13): Permission denied
> > mknod07     2  TPASS  :  mknod failed as expected:
> > TEST_ERRNO=EACCES(13): Permission denied
> > mknod07     3  TFAIL  :  mknod07.c:155: mknod succeeded unexpectedly
> > mknod07     4  TPASS  :  mknod failed as expected:
> > TEST_ERRNO=EPERM(1): Operation not permitted
> > mknod07     5  TPASS  :  mknod failed as expected:
> > TEST_ERRNO=EROFS(30): Read-only file system
> > mknod07     6  TPASS  :  mknod failed as expected:
> > TEST_ERRNO=ELOOP(40): Too many levels of symbolic links
> >
> >
> > setns01     0  TINFO  :  ns_name=ipc, ns_fds[0]=6, ns_types[0]=0x8000000
> > setns01     0  TINFO  :  ns_name=mnt, ns_fds[1]=7, ns_types[1]=0x20000
> > setns01     0  TINFO  :  ns_name=net, ns_fds[2]=8, ns_types[2]=0x40000000
> > setns01     0  TINFO  :  ns_name=pid, ns_fds[3]=9, ns_types[3]=0x20000000
> > setns01     0  TINFO  :  ns_name=uts, ns_fds[4]=10, ns_types[4]=0x4000000
> > setns01     0  TINFO  :  setns(-1, 0x8000000)
> > setns01     1  TPASS  :  invalid fd exp_errno=9
> > setns01     0  TINFO  :  setns(-1, 0x20000)
> > setns01     2  TPASS  :  invalid fd exp_errno=9
> > setns01     0  TINFO  :  setns(-1, 0x40000000)
> > setns01     3  TPASS  :  invalid fd exp_errno=9
> > setns01     0  TINFO  :  setns(-1, 0x20000000)
> > setns01     4  TPASS  :  invalid fd exp_errno=9
> > setns01     0  TINFO  :  setns(-1, 0x4000000)
> > setns01     5  TPASS  :  invalid fd exp_errno=9
> > setns01     0  TINFO  :  setns(11, 0x8000000)
> > setns01     6  TFAIL  :  setns01.c:176: regular file fd exp_errno=22:
> > errno=EBADF(9): Bad file descriptor
> > setns01     0  TINFO  :  setns(11, 0x20000)
> > setns01     7  TFAIL  :  setns01.c:176: regular file fd exp_errno=22:
> > errno=EBADF(9): Bad file descriptor
> > setns01     0  TINFO  :  setns(11, 0x40000000)
> > setns01     8  TFAIL  :  setns01.c:176: regular file fd exp_errno=22:
> > errno=EBADF(9): Bad file descriptor
> > setns01     0  TINFO  :  setns(11, 0x20000000)
> > setns01     9  TFAIL  :  setns01.c:176: regular file fd exp_errno=22:
> > errno=EBADF(9): Bad file descriptor
> > setns01     0  TINFO  :  setns(11, 0x4000000)
> > setns01    10  TFAIL  :  setns01.c:176: regular file fd exp_errno=22:
> > errno=EBADF(9): Bad file descriptor
> >
> > Full test log link,
> > https://lkft.validation.linaro.org/scheduler/job/1467931#L8047
> >
> > test results comparison shows this test case started failing from June-2-2020
> > https://qa-reports.linaro.org/lkft/linux-mainline-oe/build/v5.7-4092-g38696e33e2bd/testrun/2779586/suite/ltp-syscalls-tests/test/ioctl_loop01/history/
> >
> > https://qa-reports.linaro.org/lkft/linux-mainline-oe/build/v5.7-4092-g38696e33e2bd/testrun/2779586/suite/ltp-syscalls-tests/test/setns01/history/
> >
> > https://qa-reports.linaro.org/lkft/linux-mainline-oe/build/v5.7-4092-g38696e33e2bd/testrun/2779586/suite/ltp-syscalls-tests/test/mknod07/history/
> >
> >
> > --
> > Linaro LKFT
> > https://lkft.linaro.org