[linux-next:master] [list] 17640748eb: kunit.list-kunit-test.fail

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Hello,

kernel test robot noticed "kunit.list-kunit-test.fail" on:

commit: 17640748eb3875e486805e2d98ca1044a3a69b93 ("list: test: fix tests for list_cut_position()")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master

[test failed on linux-next/master 5acd9952f95fb4b7da6d09a3be39195a80845eb6]

in testcase: kunit
version: 
with following parameters:

	group: group-00



compiler: gcc-12
test machine: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz (Skylake) with 16G memory

(please refer to attached dmesg/kmsg for entire log/backtrace)



If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202409161554.6c3e8d5d-oliver.sang@xxxxxxxxx


below 2 cases can pass on parent but fail on this commit.

13a6473783aaced3 17640748eb3875e486805e2d98c
---------------- ---------------------------
       fail:runs  %reproduction    fail:runs
           |             |             |
           :9           67%           6:6     kunit.list-kunit-test.list_test_list_cut_before.fail
           :9           67%           6:6     kunit.list-kunit-test.list_test_list_cut_position.fail



[  143.881460] KTAP version 1
[  143.884865] 1..3
[  143.887802]     KTAP version 1
[  143.891541]     # Subtest: list-kunit-test
[  143.896316]     # module: list_test
[  143.896336]     1..39
[  143.904046]     ok 1 list_test_list_init
[  143.904607]     ok 2 list_test_list_add
[  143.909698]     ok 3 list_test_list_add_tail
[  143.915034]     ok 4 list_test_list_del
[  143.920415]     ok 5 list_test_list_replace
[  143.925428]     ok 6 list_test_list_replace_init
[  143.930900]     ok 7 list_test_list_swap
[  143.936712]     ok 8 list_test_list_del_init
[  143.941952]     ok 9 list_test_list_del_init_careful
[  143.947363]     ok 10 list_test_list_move
[  143.953422]     ok 11 list_test_list_move_tail
[  143.958536]     ok 12 list_test_list_bulk_move_tail
[  143.964192]     ok 13 list_test_list_is_head
[  143.970279]     ok 14 list_test_list_is_first
[  143.975777]     ok 15 list_test_list_is_last
[  143.981871]     ok 16 list_test_list_empty
[  143.987375]     ok 17 list_test_list_empty_careful
[  143.992611]     ok 18 list_test_list_rotate_left
[  143.998511]     ok 19 list_test_list_rotate_to_front
[  144.004367]     ok 20 list_test_list_is_singular
[  144.010375]     # list_test_list_cut_position: EXPECTATION FAILED at lib/list-test.c:409
                   Expected cur == &entries[i], but
                       cur == ffffc9000126fd70
                       &entries[i] == ffffc9000126fd50
[  144.016196]     not ok 21 list_test_list_cut_position
[  144.040950]     # list_test_list_cut_before: EXPECTATION FAILED at lib/list-test.c:440
                   Expected cur == &entries[i], but
                       cur == ffffc9000129fd60
                       &entries[i] == ffffc9000129fd50
[  144.047033]     # list_test_list_cut_before: EXPECTATION FAILED at lib/list-test.c:440
                   Expected cur == &entries[i], but
                       cur == ffffc9000129fd70
                       &entries[i] == ffffc9000129fd60
[  144.071616]     not ok 22 list_test_list_cut_before
[  144.096387]     ok 23 list_test_list_splice
[  144.102425]     ok 24 list_test_list_splice_tail
[  144.107897]     ok 25 list_test_list_splice_init
[  144.113704]     ok 26 list_test_list_splice_tail_init
[  144.119664]     ok 27 list_test_list_entry
[  144.126022]     ok 28 list_test_list_entry_is_head
[  144.131275]     ok 29 list_test_list_first_entry
[  144.137246]     ok 30 list_test_list_last_entry
[  144.143084]     ok 31 list_test_list_first_entry_or_null
[  144.148823]     ok 32 list_test_list_next_entry
[  144.155283]     ok 33 list_test_list_prev_entry
[  144.161048]     ok 34 list_test_list_for_each
[  144.166792]     ok 35 list_test_list_for_each_prev
[  144.172318]     ok 36 list_test_list_for_each_safe
[  144.178278]     ok 37 list_test_list_for_each_prev_safe
[  144.184235]     ok 38 list_test_list_for_each_entry
[  144.190607]     ok 39 list_test_list_for_each_entry_reverse
[  144.196199] # list-kunit-test: pass:37 fail:2 skip:0 total:39
[  144.202470] # Totals: pass:37 fail:2 skip:0 total:39
[  144.208908] not ok 1 list-kunit-test



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240916/202409161554.6c3e8d5d-oliver.sang@xxxxxxxxx



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki





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