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

[Martijn Coenen <maco@android.com>]

Hi Naresh,

I just sent a patch and cc'd you. I verified all the loop tests pass
again with that patch.

Thanks,
Martijn


On Thu, Jun 4, 2020 at 9:10 PM Martijn Coenen <maco@android.com> wrote:
>
> 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