Linux-mm Archive on lore.kernel.org
 help / color / mirror / Atom feed
* Re: [PATCH] lib/tests: kunit for associative array
       [not found] <20261014160144.1835860-1-jarkko@kernel.org>
@ 2026-10-16  5:36 ` kernel test robot
  2026-10-16 13:21 ` kernel test robot
  1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-10-16  5:36 UTC (permalink / raw)
  To: Jarkko Sakkinen, keyrings, Brendan Higgins, David Gow
  Cc: oe-kbuild-all, Jarkko Sakkinen, Andrew Morton,
	Linux Memory Management List, Rae Moar, Ryota Sakamoto,
	Kuan-Wei Chiu, Andy Shevchenko, Pasha Tatashin, Kir Chou,
	Petr Mladek, Dmitry Antipov, Guan-Chun Wu, linux-kernel,
	(open list:KERNEL UNIT TESTING FRAMEWORK \(KUnit\))

Hi Jarkko,

kernel test robot noticed the following build warnings:

[auto build test WARNING on akpm-mm/mm-nonmm-unstable]
[also build test WARNING on linus/master v7.3-rc7]
[cannot apply to next-20261012]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jarkko-Sakkinen/lib-tests-kunit-for-associative-array/20261014-190138
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
patch link:    https://lore.kernel.org/r/20261014160144.1835860-1-jarkko%40kernel.org
patch subject: [PATCH] lib/tests: kunit for associative array
config: arm-randconfig-1001-20261016 (https://download.01.org/0day-ci/archive/20261016/202610161338.iIHVeJyP-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261016/202610161338.iIHVeJyP-lkp@intel.com/reproduce)

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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610161338.iIHVeJyP-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> lib/tests/assoc_array_kunit.c:62:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x0000000000000010UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:63:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x0000000000000020UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:64:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x0000000000000030UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:65:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x0000000000000040UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:66:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x0000000000000050UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:67:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x0000000000000060UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:68:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x0000000000000070UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:69:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x0000000000000080UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:70:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x0000000000000090UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:71:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x00000000000000a0UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:72:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x00000000000000b0UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:73:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x00000000000000c0UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:74:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x00000000000000d0UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:75:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x00000000000000e0UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:76:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x00000000000000f0UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:77:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x0000000000000100UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:78:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x0000000000000110UL,
     ^~~~~~~~~~~~~~~~~~~~
   lib/tests/assoc_array_kunit.c:79:2: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '16045690984503098046' to '3405691582' [-Woverflow]
     0xdeadbeefcafebabeUL, 0x0000000000000001UL,
     ^~~~~~~~~~~~~~~~~~~~


vim +62 lib/tests/assoc_array_kunit.c

    19	
    20	/*
    21	 * As a quick remainder, these are the basic building blocks of an associative
    22	 * array:
    23	 *
    24	 * - struct assoc_array_node: a tree node representing a nibble of the search
    25	 *   key.
    26	 * - struct assoc_array_shortcut: a tree node representing a sequence of nibbles
    27	 *   shared by multiple search keys with no divergence among them.
    28	 *
    29	 * The keys in array will be created in order in tests, and is a constructed in
    30	 * a way that splits reach the level 8:
    31	 *
    32	 * - 0..16:  Share prefix 0x21 at levels 0 and 4.
    33	 * - 17:     Splits root shortcut at level 4.
    34	 * - 18..34: Share chunk 0.
    35	 * - 35:     Splits shortcut at chunk boundary.
    36	 * - 36..46: Share prefix 0xbeef at levels 0..12.
    37	 * - 47:     Splits shortcut at level 8.
    38	 * - 48..63: Distinct leaves at level 0.
    39	 *
    40	 * The numbers were picked partly based on trial and error, and partly trying to
    41	 * find smallest possible numbers reaching the level 8.
    42	 */
    43	static const unsigned long assoc_array_test_keys[ASSOC_ARRAY_TEST_NR_KEYS * 2] = {
    44		0x0000000000000121UL, 0x0000000000000000UL,
    45		0x0000000000000221UL, 0x0000000000000000UL,
    46		0x0000000000000321UL, 0x0000000000000000UL,
    47		0x0000000000000421UL, 0x0000000000000000UL,
    48		0x0000000000000521UL, 0x0000000000000000UL,
    49		0x0000000000000621UL, 0x0000000000000000UL,
    50		0x0000000000000721UL, 0x0000000000000000UL,
    51		0x0000000000000821UL, 0x0000000000000000UL,
    52		0x0000000000000921UL, 0x0000000000000000UL,
    53		0x0000000000000a21UL, 0x0000000000000000UL,
    54		0x0000000000000b21UL, 0x0000000000000000UL,
    55		0x0000000000000c21UL, 0x0000000000000000UL,
    56		0x0000000000000d21UL, 0x0000000000000000UL,
    57		0x0000000000000e21UL, 0x0000000000000000UL,
    58		0x0000000000000f21UL, 0x0000000000000000UL,
    59		0x0000000000001021UL, 0x0000000000000000UL,
    60		0x0000000000001121UL, 0x0000000000000000UL,
    61		0x0000000000000001UL, 0x0000000000000000UL,
  > 62		0xdeadbeefcafebabeUL, 0x0000000000000010UL,
    63		0xdeadbeefcafebabeUL, 0x0000000000000020UL,
    64		0xdeadbeefcafebabeUL, 0x0000000000000030UL,
    65		0xdeadbeefcafebabeUL, 0x0000000000000040UL,
    66		0xdeadbeefcafebabeUL, 0x0000000000000050UL,
    67		0xdeadbeefcafebabeUL, 0x0000000000000060UL,
    68		0xdeadbeefcafebabeUL, 0x0000000000000070UL,
    69		0xdeadbeefcafebabeUL, 0x0000000000000080UL,
    70		0xdeadbeefcafebabeUL, 0x0000000000000090UL,
    71		0xdeadbeefcafebabeUL, 0x00000000000000a0UL,
    72		0xdeadbeefcafebabeUL, 0x00000000000000b0UL,
    73		0xdeadbeefcafebabeUL, 0x00000000000000c0UL,
    74		0xdeadbeefcafebabeUL, 0x00000000000000d0UL,
    75		0xdeadbeefcafebabeUL, 0x00000000000000e0UL,
    76		0xdeadbeefcafebabeUL, 0x00000000000000f0UL,
    77		0xdeadbeefcafebabeUL, 0x0000000000000100UL,
    78		0xdeadbeefcafebabeUL, 0x0000000000000110UL,
    79		0xdeadbeefcafebabeUL, 0x0000000000000001UL,
    80		0x000000000001beefUL, 0x0000000000000000UL,
    81		0x000000000002beefUL, 0x0000000000000000UL,
    82		0x000000000003beefUL, 0x0000000000000000UL,
    83		0x000000000004beefUL, 0x0000000000000000UL,
    84		0x000000000005beefUL, 0x0000000000000000UL,
    85		0x000000000006beefUL, 0x0000000000000000UL,
    86		0x000000000007beefUL, 0x0000000000000000UL,
    87		0x000000000008beefUL, 0x0000000000000000UL,
    88		0x000000000009beefUL, 0x0000000000000000UL,
    89		0x00000000000abeefUL, 0x0000000000000000UL,
    90		0x00000000000bbeefUL, 0x0000000000000000UL,
    91		0x00000000000000efUL, 0x0000000000000000UL,
    92		0x0000000000001000UL, 0x0000000000000000UL,
    93		0x0000000000001001UL, 0x0000000000000000UL,
    94		0x0000000000001002UL, 0x0000000000000000UL,
    95		0x0000000000001003UL, 0x0000000000000000UL,
    96		0x0000000000001004UL, 0x0000000000000000UL,
    97		0x0000000000001005UL, 0x0000000000000000UL,
    98		0x0000000000001006UL, 0x0000000000000000UL,
    99		0x0000000000001007UL, 0x0000000000000000UL,
   100		0x0000000000001008UL, 0x0000000000000000UL,
   101		0x0000000000001009UL, 0x0000000000000000UL,
   102		0x000000000000100aUL, 0x0000000000000000UL,
   103		0x000000000000100bUL, 0x0000000000000000UL,
   104		0x000000000000100cUL, 0x0000000000000000UL,
   105		0x000000000000100dUL, 0x0000000000000000UL,
   106		0x000000000000100eUL, 0x0000000000000000UL,
   107		0x000000000000100fUL, 0x0000000000000000UL,
   108	};
   109	

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


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] lib/tests: kunit for associative array
       [not found] <20261014160144.1835860-1-jarkko@kernel.org>
  2026-10-16  5:36 ` [PATCH] lib/tests: kunit for associative array kernel test robot
@ 2026-10-16 13:21 ` kernel test robot
  1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-10-16 13:21 UTC (permalink / raw)
  To: Jarkko Sakkinen, keyrings, Brendan Higgins, David Gow
  Cc: llvm, oe-kbuild-all, Jarkko Sakkinen, Andrew Morton,
	Linux Memory Management List, Rae Moar, Ryota Sakamoto,
	Kuan-Wei Chiu, Andy Shevchenko, Pasha Tatashin, Kir Chou,
	Petr Mladek, Dmitry Antipov, Guan-Chun Wu, linux-kernel,
	(open list:KERNEL UNIT TESTING FRAMEWORK \(KUnit\))

Hi Jarkko,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-nonmm-unstable]
[also build test ERROR on linus/master v7.3-rc7]
[cannot apply to next-20261012]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jarkko-Sakkinen/lib-tests-kunit-for-associative-array/20261014-190138
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
patch link:    https://lore.kernel.org/r/20261014160144.1835860-1-jarkko%40kernel.org
patch subject: [PATCH] lib/tests: kunit for associative array
config: i386-randconfig-1010-20261016 (https://download.01.org/0day-ci/archive/20261016/202610162123.hSusVMnq-lkp@intel.com/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261016/202610162123.hSusVMnq-lkp@intel.com/reproduce)

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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610162123.hSusVMnq-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: lib/tests/assoc_array_kunit.ko: symbol 'assoc_array_iterate' undefined!
>> ERROR: modpost: lib/tests/assoc_array_kunit.ko: symbol 'assoc_array_gc' undefined!
>> ERROR: modpost: lib/tests/assoc_array_kunit.ko: symbol 'assoc_array_insert' undefined!
>> ERROR: modpost: lib/tests/assoc_array_kunit.ko: symbol 'assoc_array_cancel_edit' undefined!
>> ERROR: modpost: lib/tests/assoc_array_kunit.ko: symbol 'assoc_array_delete' undefined!
>> ERROR: modpost: lib/tests/assoc_array_kunit.ko: symbol 'assoc_array_clear' undefined!
>> ERROR: modpost: lib/tests/assoc_array_kunit.ko: symbol 'assoc_array_apply_edit' undefined!
>> ERROR: modpost: lib/tests/assoc_array_kunit.ko: symbol 'assoc_array_destroy' undefined!
>> ERROR: modpost: lib/tests/assoc_array_kunit.ko: symbol 'assoc_array_find' undefined!

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


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2026-10-16 13:22 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
     [not found] <20261014160144.1835860-1-jarkko@kernel.org>
2026-10-16  5:36 ` [PATCH] lib/tests: kunit for associative array kernel test robot
2026-10-16 13:21 ` kernel test robot

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox