Hi Bernd, kernel test robot noticed the following build warnings: [auto build test WARNING on kees/for-next/execve] [also build test WARNING on kees/for-next/seccomp shuah-kselftest/next shuah-kselftest/fixes linus/master v6.6] [cannot apply to next-20231030] [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/Bernd-Edlinger/exec-Fix-dead-lock-in-de_thread-with-ptrace_attach/20231030-133021 base: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/execve patch link: https://lore.kernel.org/r/AS8P193MB1285DF698D7524EDE22ABFA1E4A1A%40AS8P193MB1285.EURP193.PROD.OUTLOOK.COM patch subject: [PATCH v12] exec: Fix dead-lock in de_thread with ptrace_attach config: loongarch-randconfig-002-20231030 (https://download.01.org/0day-ci/archive/20231030/202310301604.K866zRJ8-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231030/202310301604.K866zRJ8-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202310301604.K866zRJ8-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> kernel/cred.c:443: warning: duplicate section name 'Return' vim +/Return +443 kernel/cred.c 435 436 /** 437 * is_dumpability_changed - Will changing creds from old to new 438 * affect the dumpability in commit_creds? 439 * 440 * Return: false - dumpability will not be changed in commit_creds. 441 * Return: true - dumpability will be changed to non-dumpable. 442 * > 443 * @old: The old credentials 444 * @new: The new credentials 445 */ 446 bool is_dumpability_changed(const struct cred *old, const struct cred *new) 447 { 448 if (!uid_eq(old->euid, new->euid) || 449 !gid_eq(old->egid, new->egid) || 450 !uid_eq(old->fsuid, new->fsuid) || 451 !gid_eq(old->fsgid, new->fsgid) || 452 !cred_cap_issubset(old, new)) 453 return true; 454 455 return false; 456 } 457 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki