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    SubjectRe: LTP: syscalls: regression on mainline - ioctl_loop01 mknod07 setns01
    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

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