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Message-ID: <202606230635.y5IGABMC-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable ::::::=20 :::::: Manual check reason: "low confidence static check warning: lib/kunit= /test.c:857:34: sparse: sparse: unsigned value that used to be signed check= ed against zero?" ::::::=20 BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: "Thomas Wei=C3=9Fschuh" CC: Daniel Gomez tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git = master head: 4708cac0e22cfd217f48f7cec3c35e5922efcccd commit: 768da2eae8662ca51102794c32d37c17410acbf5 kunit: test: Drop CONFIG_M= ODULE ifdeffery date: 11 months ago :::::: branch date: 3 hours ago :::::: commit date: 11 months ago config: m68k-randconfig-r132-20260623 (https://download.01.org/0day-ci/arch= ive/20260623/202606230635.y5IGABMC-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 8.5.0 sparse: v0.6.5-rc1 reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/archive= /20260623/202606230635.y5IGABMC-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new versio= n of the same patch/commit), kindly add following tags | Fixes: 768da2eae866 ("kunit: test: Drop CONFIG_MODULE ifdeffery") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/r/202606230635.y5IGABMC-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> lib/kunit/test.c:857:34: sparse: sparse: unsigned value that used to be = signed checked against zero? lib/kunit/test.c:848:17: sparse: signed value source vim +857 lib/kunit/test.c 3d6e44623841c8 Jeremy Kerr 2022-07-09 844 =20 3d6e44623841c8 Jeremy Kerr 2022-07-09 845 static void kunit_module= _exit(struct module *mod) 3d6e44623841c8 Jeremy Kerr 2022-07-09 846 { b67abaad4d25b5 Janusz Krzysztofik 2023-08-07 847 struct kunit_suite_set = suite_set =3D { b67abaad4d25b5 Janusz Krzysztofik 2023-08-07 848 mod->kunit_suites, mod= ->kunit_suites + mod->num_kunit_suites, b67abaad4d25b5 Janusz Krzysztofik 2023-08-07 849 }; 18258c60f8a74b Janusz Krzysztofik 2023-08-07 850 const char *action =3D = kunit_action(); 18258c60f8a74b Janusz Krzysztofik 2023-08-07 851 =20 a1af6a2bfa0cb4 Marco Pagani 2024-01-10 852 /* a1af6a2bfa0cb4 Marco Pagani 2024-01-10 853 * Check if the start a= ddress is a valid virtual address to detect a1af6a2bfa0cb4 Marco Pagani 2024-01-10 854 * if the module load s= equence has failed and the suite set has not a1af6a2bfa0cb4 Marco Pagani 2024-01-10 855 * been initialized and= filtered. a1af6a2bfa0cb4 Marco Pagani 2024-01-10 856 */ a1af6a2bfa0cb4 Marco Pagani 2024-01-10 @857 if (!suite_set.start ||= !virt_addr_valid(suite_set.start)) a1af6a2bfa0cb4 Marco Pagani 2024-01-10 858 return; a1af6a2bfa0cb4 Marco Pagani 2024-01-10 859 =20 18258c60f8a74b Janusz Krzysztofik 2023-08-07 860 if (!action) 18258c60f8a74b Janusz Krzysztofik 2023-08-07 861 __kunit_test_suites_ex= it(mod->kunit_suites, 18258c60f8a74b Janusz Krzysztofik 2023-08-07 862 mod->num_kunit_sui= tes); b67abaad4d25b5 Janusz Krzysztofik 2023-08-07 863 =20 b67abaad4d25b5 Janusz Krzysztofik 2023-08-07 864 kunit_free_suite_set(su= ite_set); 3d6e44623841c8 Jeremy Kerr 2022-07-09 865 } 3d6e44623841c8 Jeremy Kerr 2022-07-09 866 =20 :::::: The code at line 857 was first introduced by commit :::::: a1af6a2bfa0cb46d70b7df5352993e750da6c79b kunit: run test suites only= after module initialization completes :::::: TO: Marco Pagani :::::: CC: Shuah Khan -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki