[selftests/landlock] d9d464ccf6: kernel-selftests.landlock.test_base.fail

Mickaël Salaün mic at digikod.net
Fri Apr 10 08:15:36 UTC 2020


Why isn't this bot enabling the required kernel configuration (i.e.
CONFIG_SECURITY_LANDLOCK, specified in
tools/testing/selftests/landlock/config)?

On 10/04/2020 04:27, kernel test robot wrote:
> FYI, we noticed the following commit (built with gcc-7):
> 
> commit: d9d464ccf68e19bf7d303022d873141b5e1f7219 ("[PATCH v15 08/10] selftests/landlock: Add initial tests")
> url: https://github.com/0day-ci/linux/commits/Micka-l-Sala-n/Landlock-LSM/20200327-073729
> base: https://git.kernel.org/cgit/linux/kernel/git/shuah/linux-kselftest.git next
> 
> in testcase: kernel-selftests
> with following parameters:
> 
> 	group: kselftests-01
> 	ucode: 0xd6
> 
> test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
> test-url: https://www.kernel.org/doc/Documentation/kselftest.txt
> 
> 
> on test machine: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz with 16G memory
> 
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
> 
> 
> If you fix the issue, kindly add following tag
> Reported-by: kernel test robot <rong.a.chen at intel.com>
> 
> 
> 2020-04-09 08:20:02 make run_tests -C landlock
> make: Entering directory '/usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219/tools/testing/selftests/landlock'
> make --no-builtin-rules ARCH=x86 -C ../../../.. headers_install
> make[1]: Entering directory '/usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219'
>   INSTALL ./usr/include
> make[1]: Leaving directory '/usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219'
> gcc -Wall -O2 -I../../../../usr/include    test_base.c /usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219/tools/testing/selftests/kselftest_harness.h /usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219/tools/testing/selftests/kselftest.h ../../../../usr/include/linux/landlock.h ../kselftest_harness.h common.h  -o /usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219/tools/testing/selftests/landlock/test_base
> gcc -Wall -O2 -I../../../../usr/include    test_ptrace.c /usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219/tools/testing/selftests/kselftest_harness.h /usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219/tools/testing/selftests/kselftest.h ../../../../usr/include/linux/landlock.h ../kselftest_harness.h common.h  -o /usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219/tools/testing/selftests/landlock/test_ptrace
> gcc -Wall -O2 -I../../../../usr/include    test_fs.c /usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219/tools/testing/selftests/kselftest_harness.h /usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219/tools/testing/selftests/kselftest.h ../../../../usr/include/linux/landlock.h ../kselftest_harness.h common.h  -o /usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219/tools/testing/selftests/landlock/test_fs
> gcc -Os -static -o /usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219/tools/testing/selftests/landlock/true true.c
> TAP version 13
> 1..3
> # selftests: landlock: test_base
> # common.h:37:ruleset_rw.fdinfo:Expected 0 (0) <= self->ruleset_fd (18446744073709551615)
> # ruleset_rw.fdinfo: Test terminated by assertion
> # test_base.c:64:global.features:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # global.features: Test terminated by assertion
> # test_base.c:89:global.empty_attr_ruleset:Expected errno (38) == EINVAL (22)
> # global.empty_attr_ruleset: Test terminated by assertion
> # test_base.c:99:global.empty_attr_path_beneath:Expected errno (38) == EINVAL (22)
> # global.empty_attr_path_beneath: Test terminated by assertion
> # test_base.c:109:global.empty_attr_enforce:Expected errno (38) == EINVAL (22)
> # global.empty_attr_enforce: Test terminated by assertion
> # [==========] Running 5 tests from 2 test cases.
> # [ RUN      ] ruleset_rw.fdinfo
> # [     FAIL ] ruleset_rw.fdinfo
> # [ RUN      ] global.features
> # [     FAIL ] global.features
> # [ RUN      ] global.empty_attr_ruleset
> # [     FAIL ] global.empty_attr_ruleset
> # [ RUN      ] global.empty_attr_path_beneath
> # [     FAIL ] global.empty_attr_path_beneath
> # [ RUN      ] global.empty_attr_enforce
> # [     FAIL ] global.empty_attr_enforce
> # [==========] 0 / 5 tests passed.
> # [  FAILED  ]
> not ok 1 selftests: landlock: test_base # exit=1
> # selftests: landlock: test_ptrace
> # test_ptrace.c:36:global.allow_with_one_domain:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # test_ptrace.c:148:global.allow_with_one_domain:Expected 1 (1) == read(pipe_child[0], &buf_parent, 1) (0)
> # test_ptrace.c:149:global.allow_with_one_domain:Failed to read() sync #2 from child
> # global.allow_with_one_domain: Test terminated by assertion
> # test_ptrace.c:36:global.deny_with_parent_domain:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # test_ptrace.c:99:global.deny_with_parent_domain:Expected 1 (1) == read(pipe_parent[0], &buf_child, 1) (0)
> # test_ptrace.c:100:global.deny_with_parent_domain:Failed to read() sync #1 from parent
> # global.deny_with_parent_domain: Test terminated by assertion
> # test_ptrace.c:36:global.deny_with_sibling_domain:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # test_ptrace.c:36:global.deny_with_sibling_domain:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # global.deny_with_sibling_domain: Test terminated by assertion
> # test_ptrace.c:36:global.allow_sibling_domain:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # global.allow_sibling_domain: Test terminated by assertion
> # test_ptrace.c:36:global.allow_with_nested_domain:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # global.allow_with_nested_domain: Test terminated by assertion
> # test_ptrace.c:36:global.deny_with_nested_and_parent_domain:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # global.deny_with_nested_and_parent_domain: Test terminated by assertion
> # test_ptrace.c:36:global.deny_with_forked_domain:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # global.deny_with_forked_domain: Test terminated by assertion
> # [==========] Running 8 tests from 2 test cases.
> # [ RUN      ] global.allow_without_domain
> # [       OK ] global.allow_without_domain
> # [ RUN      ] global.allow_with_one_domain
> # [     FAIL ] global.allow_with_one_domain
> # [ RUN      ] global.deny_with_parent_domain
> # [     FAIL ] global.deny_with_parent_domain
> # [ RUN      ] global.deny_with_sibling_domain
> # [     FAIL ] global.deny_with_sibling_domain
> # [ RUN      ] global.allow_sibling_domain
> # [     FAIL ] global.allow_sibling_domain
> # [ RUN      ] global.allow_with_nested_domain
> # [     FAIL ] global.allow_with_nested_domain
> # [ RUN      ] global.deny_with_nested_and_parent_domain
> # [     FAIL ] global.deny_with_nested_and_parent_domain
> # [ RUN      ] global.deny_with_forked_domain
> # [     FAIL ] global.deny_with_forked_domain
> # [==========] 1 / 8 tests passed.
> # [  FAILED  ]
> not ok 2 selftests: landlock: test_ptrace # exit=1
> # selftests: landlock: test_fs
> # common.h:37:ruleset_rw.inval:Expected 0 (0) <= self->ruleset_fd (18446744073709551615)
> # ruleset_rw.inval: Test terminated by assertion
> # common.h:37:ruleset_rw.nsfs:Expected 0 (0) <= self->ruleset_fd (18446744073709551615)
> # ruleset_rw.nsfs: Test terminated by assertion
> # test_fs.c:342:layout1.whitelist:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.whitelist: Test terminated by assertion
> # test_fs.c:342:layout1.unhandled_access:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.unhandled_access: Test terminated by assertion
> # test_fs.c:342:layout1.ruleset_overlap:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.ruleset_overlap: Test terminated by assertion
> # test_fs.c:342:layout1.inherit_superset:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.inherit_superset: Test terminated by assertion
> # test_fs.c:342:layout1.rule_on_mountpoint:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.rule_on_mountpoint: Test terminated by assertion
> # test_fs.c:342:layout1.rule_over_mountpoint:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.rule_over_mountpoint: Test terminated by assertion
> # test_fs.c:342:layout1.rule_over_root:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.rule_over_root: Test terminated by assertion
> # test_fs.c:720:layout1.rule_inside_mount_ns:Expected -1 (18446744073709551615) != syscall(SYS_pivot_root, dir_s3d2, dir_s3d3) (18446744073709551615)
> # test_fs.c:722:layout1.rule_inside_mount_ns:Failed to pivot_root into "tmp/s3d1/s3d2": Invalid argument
> # 
> # layout1.rule_inside_mount_ns: Test terminated by assertion
> # test_fs.c:342:layout1.mount_and_pivot:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.mount_and_pivot: Test terminated by assertion
> # test_fs.c:342:layout1.relative_open:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.relative_open: Test terminated by assertion
> # test_fs.c:342:layout1.relative_chdir:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.relative_chdir: Test terminated by assertion
> # test_fs.c:342:layout1.relative_chroot_only:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.relative_chroot_only: Test terminated by assertion
> # test_fs.c:342:layout1.relative_chroot_chdir:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.relative_chroot_chdir: Test terminated by assertion
> # test_fs.c:342:layout1.chroot:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.chroot: Test terminated by assertion
> # test_fs.c:342:layout1.execute:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.execute: Test terminated by assertion
> # test_fs.c:342:layout1.link_to:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.link_to: Test terminated by assertion
> # test_fs.c:342:layout1.rename_from:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.rename_from: Test terminated by assertion
> # test_fs.c:342:layout1.rename_to:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.rename_to: Test terminated by assertion
> # test_fs.c:342:layout1.rmdir:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.rmdir: Test terminated by assertion
> # test_fs.c:342:layout1.unlink:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.unlink: Test terminated by assertion
> # test_fs.c:342:layout1.make_char:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.make_char: Test terminated by assertion
> # test_fs.c:342:layout1.make_block:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.make_block: Test terminated by assertion
> # test_fs.c:342:layout1.make_reg:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.make_reg: Test terminated by assertion
> # test_fs.c:342:layout1.make_sock:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.make_sock: Test terminated by assertion
> # test_fs.c:342:layout1.make_fifo:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.make_fifo: Test terminated by assertion
> # test_fs.c:342:layout1.make_sym:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.make_sym: Test terminated by assertion
> # test_fs.c:342:layout1.make_dir:Expected 0 (0) == landlock(LANDLOCK_CMD_GET_FEATURES, LANDLOCK_OPT_GET_FEATURES, sizeof(attr_features), &attr_features) (18446744073709551615)
> # layout1.make_dir: Test terminated by assertion
> # [==========] Running 31 tests from 3 test cases.
> # [ RUN      ] layout1.no_restriction
> # [       OK ] layout1.no_restriction
> # [ RUN      ] ruleset_rw.inval
> # [     FAIL ] ruleset_rw.inval
> # [ RUN      ] ruleset_rw.nsfs
> # [     FAIL ] ruleset_rw.nsfs
> # [ RUN      ] layout1.whitelist
> # [     FAIL ] layout1.whitelist
> # [ RUN      ] layout1.unhandled_access
> # [     FAIL ] layout1.unhandled_access
> # [ RUN      ] layout1.ruleset_overlap
> # [     FAIL ] layout1.ruleset_overlap
> # [ RUN      ] layout1.inherit_superset
> # [     FAIL ] layout1.inherit_superset
> # [ RUN      ] layout1.rule_on_mountpoint
> # [     FAIL ] layout1.rule_on_mountpoint
> # [ RUN      ] layout1.rule_over_mountpoint
> # [     FAIL ] layout1.rule_over_mountpoint
> # [ RUN      ] layout1.rule_over_root
> # [     FAIL ] layout1.rule_over_root
> # [ RUN      ] layout1.rule_inside_mount_ns
> # [     FAIL ] layout1.rule_inside_mount_ns
> # [ RUN      ] layout1.mount_and_pivot
> # [     FAIL ] layout1.mount_and_pivot
> # [ RUN      ] layout1.relative_open
> # [     FAIL ] layout1.relative_open
> # [ RUN      ] layout1.relative_chdir
> # [     FAIL ] layout1.relative_chdir
> # [ RUN      ] layout1.relative_chroot_only
> # [     FAIL ] layout1.relative_chroot_only
> # [ RUN      ] layout1.relative_chroot_chdir
> # [     FAIL ] layout1.relative_chroot_chdir
> # [ RUN      ] layout1.chroot
> # [     FAIL ] layout1.chroot
> # [ RUN      ] layout1.execute
> # [     FAIL ] layout1.execute
> # [ RUN      ] layout1.link_to
> # [     FAIL ] layout1.link_to
> # [ RUN      ] layout1.rename_from
> # [     FAIL ] layout1.rename_from
> # [ RUN      ] layout1.rename_to
> # [     FAIL ] layout1.rename_to
> # [ RUN      ] layout1.rmdir
> # [     FAIL ] layout1.rmdir
> # [ RUN      ] layout1.unlink
> # [     FAIL ] layout1.unlink
> # [ RUN      ] layout1.make_char
> # [     FAIL ] layout1.make_char
> # [ RUN      ] layout1.make_block
> # [     FAIL ] layout1.make_block
> # [ RUN      ] layout1.make_reg
> # [     FAIL ] layout1.make_reg
> # [ RUN      ] layout1.make_sock
> # [     FAIL ] layout1.make_sock
> # [ RUN      ] layout1.make_fifo
> # [     FAIL ] layout1.make_fifo
> # [ RUN      ] layout1.make_sym
> # [     FAIL ] layout1.make_sym
> # [ RUN      ] layout1.make_dir
> # [     FAIL ] layout1.make_dir
> # [ RUN      ] global.cleanup
> # [       OK ] global.cleanup
> # [==========] 2 / 31 tests passed.
> # [  FAILED  ]
> not ok 3 selftests: landlock: test_fs # exit=1
> make: Leaving directory '/usr/src/perf_selftests-x86_64-rhel-7.6-d9d464ccf68e19bf7d303022d873141b5e1f7219/tools/testing/selftests/landlock'
> 
> 
> 
> To reproduce:
> 
>         git clone https://github.com/intel/lkp-tests.git
>         cd lkp-tests
>         bin/lkp install job.yaml  # job file is attached in this email
>         bin/lkp run     job.yaml
> 
> 
> 
> Thanks,
> Rong Chen
> 



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