tree: https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-stable.git linux-4.19.y head: 551162c9bf51fda41d2d5ff5e2c5f70a5800cd5f commit: c677e5771ba0554ddee71627316cfa5597d9ec16 [285/596] fscrypt: rename keyinfo.c to keysetup.c config: x86_64-rhel (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): git checkout c677e5771ba0554ddee71627316cfa5597d9ec16 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): fs/crypto/keysetup.c:327: warning: Function parameter or member 'inode' not described in 'fscrypt_put_encryption_info' fs/crypto/keysetup.c:340: warning: Function parameter or member 'inode' not described in 'fscrypt_free_inode' fs/crypto/keysetup.o: warning: objtool: fscrypt_set_derived_key()+0x194: sibling call from callable instruction with modified stack frame --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org