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