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

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Sorry for this inconvenience, we only enabled the configs for kernel-selftests in mainline, we'll consider to add new required configurations dynamically to avoid false positive. 

Best Regards,
Rong Chen

On 4/10/20 4:15 PM, Mickaël Salaün wrote:

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@xxxxxxxxx>


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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