Hi Aaron, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on linux/master] [also build test ERROR on linus/master jeyu/modules-next v5.16-rc2 next-20211124] [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] url: https://github.com/0day-ci/linux/commits/Aaron-Tomlin/module-Introduce-mo... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 136057256686de39cc3a07c2e39ef6bc43003ff6 config: hexagon-randconfig-r041-20211124 (https://download.01.org/0day-ci/archive/20211125/202111250617.SNgvKWHi-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 67a1c45def8a75061203461ab0060c75c864df1c) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/c843ee3eaddb5f5cf7e0d1bf927679da1... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Aaron-Tomlin/module-Introduce-module-unload-taint-tracking/20211125-013753 git checkout c843ee3eaddb5f5cf7e0d1bf927679da1f6eb608 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): pr_error("%s: adding tainted module to the unloaded tainted modules list failed.\n", ^ 1 error generated. vim +/pr_error +2266 kernel/module.c 2225 2226 /* Free a module, remove from lists, etc. */ 2227 static void free_module(struct module *mod) 2228 { 2229 trace_module_free(mod); 2230 2231 mod_sysfs_teardown(mod); 2232 2233 /* 2234 * We leave it in list to prevent duplicate loads, but make sure 2235 * that noone uses it while it's being deconstructed. 2236 */ 2237 mutex_lock(&module_mutex); 2238 mod->state = MODULE_STATE_UNFORMED; 2239 mutex_unlock(&module_mutex); 2240 2241 /* Remove dynamic debug info */ 2242 ddebug_remove_module(mod->name); 2243 2244 /* Arch-specific cleanup. */ 2245 module_arch_cleanup(mod); 2246 2247 /* Module unload stuff */ 2248 module_unload_free(mod); 2249 2250 /* Free any allocated parameters. */ 2251 destroy_params(mod->kp, mod->num_kp); 2252 2253 if (is_livepatch_module(mod)) 2254 free_module_elf(mod); 2255 2256 /* Now we can delete it from the lists */ 2257 mutex_lock(&module_mutex); 2258 /* Unlink carefully: kallsyms could be walking list. */ 2259 list_del_rcu(&mod->list); 2260 mod_tree_remove(mod); 2261 /* Remove this module from bug list, this uses list_del_rcu */ 2262 module_bug_cleanup(mod); 2263 /* Wait for RCU-sched synchronizing before releasing mod->list and buglist. */ 2264 synchronize_rcu(); 2265 if (try_add_tainted_module(mod)) 2267 mod->name); 2268 mutex_unlock(&module_mutex); 2269 2270 /* Clean up CFI for the module. */ 2271 cfi_cleanup(mod); 2272 2273 /* This may be empty, but that's OK */ 2274 module_arch_freeing_init(mod); 2275 module_memfree(mod->init_layout.base); 2276 kfree(mod->args); 2277 percpu_modfree(mod); 2278 2279 /* Free lock-classes; relies on the preceding sync_rcu(). */ 2280 lockdep_free_key_range(mod->core_layout.base, mod->core_layout.size); 2281 2282 /* Finally, free the core (containing the module structure) */ 2283 module_memfree(mod->core_layout.base); 2284 } 2285 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org