linux-kernel - ERROR: modpost: "__popcountdi2" [lib/kunit/kunit-example-test.ko] undefined!

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <202408041932.EzITeEV4-lkp@intel.com>
Date: Sun, 4 Aug 2024 19:13:11 +0800
From: kernel test robot <lkp@...el.com>
To: Michal Wajdeczko <michal.wajdeczko@...el.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Shuah Khan <skhan@...uxfoundation.org>,
	David Gow <davidgow@...gle.com>
Subject: ERROR: modpost: "__popcountdi2" [lib/kunit/kunit-example-test.ko]
 undefined!

Hi Michal,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   17712b7ea0756799635ba159cc773082230ed028
commit: ee5f8cc2770b2f0f7cfefb5bf7534e2859e39485 kunit: Reset test status on each param iteration
date:   11 months ago
config: riscv-randconfig-001-20240804 (https://download.01.org/0day-ci/archive/20240804/202408041932.EzITeEV4-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 423aec6573df4424f90555468128e17073ddc69e)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240804/202408041932.EzITeEV4-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408041932.EzITeEV4-lkp@intel.com/

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

WARNING: modpost: missing MODULE_DESCRIPTION() in vmlinux.o
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/locking/locktorture.o
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/locking/test-ww_mutex.o
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/rcu/rcutorture.o
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/rcu/rcuscale.o
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/rcu/refscale.o
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/time/time_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/torture.o
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/resource_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/sysctl-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in mm/dmapool_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nfs/nfsv4.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/unicode/utf8-selftest.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/kunit/kunit-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/kunit/kunit-example-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/math/rational-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_hexdump.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/find_bit_benchmark.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/cpumask_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_sysctl.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_hash.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_ida.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test-kstrtox.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_list_sort.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_sort.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_printf.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_scanf.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_uuid.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_maple_tree.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_free_pages.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_kprobes.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/bitfield_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/checksum_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/list-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/hashtable_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_bits.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/cmdline_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/slub_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/memcpy_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/is_signed_type_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/overflow_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/stackinit_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/fortify_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/strcat_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/strscpy_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/siphash_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/clk_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/clk-gate_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/input/tests/input_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/core/dev_addr_lists_test.o
>> ERROR: modpost: "__popcountdi2" [lib/kunit/kunit-example-test.ko] undefined!
ERROR: modpost: "__popcountdi2" [lib/test_hexdump.ko] undefined!

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