[kbuild-all] [linux-stable-rc:linux-5.4.y 2956/3216] fs/cifs/inode.c:2613:1: warning: stack frame size of 1032 bytes in function 'cifs_setattr'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y head: 28fe0e171c2042692c2cf71df3e8cb4ad78d40da commit: e2dca8845c37923200751b9b3f87d6d7320dc07f [2956/3216] cifs: handle -EINTR in cifs_setattr config: mips-randconfig-r012-20201113 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 9e0c35655b6e8186baef8840b26ba4090503b554) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gi... git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-5.4.y git checkout e2dca8845c37923200751b9b3f87d6d7320dc07f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips 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 >>): cifs_setattr(struct dentry *direntry, struct iattr *attrs) ^ 1 warning generated. vim +/cifs_setattr +2613 fs/cifs/inode.c ^1da177e4c3f415 Linus Torvalds 2005-04-16 2611 0510eeb7367aca0 Jeff Layton 2008-08-02 2612 int 0510eeb7367aca0 Jeff Layton 2008-08-02 @2613 cifs_setattr(struct dentry *direntry, struct iattr *attrs) 0510eeb7367aca0 Jeff Layton 2008-08-02 2614 { fc64005c93090c0 Al Viro 2016-04-10 2615 struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb); 96daf2b09178d8e Steve French 2011-05-27 2616 struct cifs_tcon *pTcon = cifs_sb_master_tcon(cifs_sb); e2dca8845c37923 Ronnie Sahlberg 2020-10-09 2617 int rc, retries = 0; 0510eeb7367aca0 Jeff Layton 2008-08-02 2618 e2dca8845c37923 Ronnie Sahlberg 2020-10-09 2619 do { 0510eeb7367aca0 Jeff Layton 2008-08-02 2620 if (pTcon->unix_ext) e2dca8845c37923 Ronnie Sahlberg 2020-10-09 2621 rc = cifs_setattr_unix(direntry, attrs); e2dca8845c37923 Ronnie Sahlberg 2020-10-09 2622 else e2dca8845c37923 Ronnie Sahlberg 2020-10-09 2623 rc = cifs_setattr_nounix(direntry, attrs); e2dca8845c37923 Ronnie Sahlberg 2020-10-09 2624 retries++; e2dca8845c37923 Ronnie Sahlberg 2020-10-09 2625 } while (is_retryable_error(rc) && retries < 2); 0510eeb7367aca0 Jeff Layton 2008-08-02 2626 0510eeb7367aca0 Jeff Layton 2008-08-02 2627 /* BB: add cifs_setattr_legacy for really old servers */ e2dca8845c37923 Ronnie Sahlberg 2020-10-09 2628 return rc; 0510eeb7367aca0 Jeff Layton 2008-08-02 2629 } 0510eeb7367aca0 Jeff Layton 2008-08-02 2630 :::::: The code at line 2613 was first introduced by commit :::::: 0510eeb7367aca017c6320d04cfd9cbc3b5dd992 turn cifs_setattr into a multiplexor that calls the correct function :::::: TO: Jeff Layton <jlayton(a)redhat.com&gt; :::::: CC: Steve French <sfrench(a)us.ibm.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org