arch/um/drivers/harddog_user.c:6:10: fatal error: stdio.h: No such file or directory

arch/um/drivers/harddog_user.c:6:10: fatal error: stdio.h: No such file or directory

[kernel test robot]

Hi Johannes,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   16a8829130ca22666ac6236178a6233208d425c3
commit: fc54a4f15988e228cf88f888483e985c5f35031e um: prevent user code in modules
date:   3 weeks ago
config: um-allmodconfig (https://download.01.org/0day-ci/archive/20230510/202305100640.HGwVAUIt-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fc54a4f15988e228cf88f888483e985c5f35031e
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout fc54a4f15988e228cf88f888483e985c5f35031e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=um olddefconfig
        make W=1 O=build_dir ARCH=um SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305100640.HGwVAUIt-lkp@intel.com/

All errors (new ones prefixed by >>):

>> arch/um/drivers/harddog_user.c:6:10: fatal error: stdio.h: No such file or directory
       6 | #include <stdio.h>
         |          ^~~~~~~~~
   compilation terminated.


vim +6 arch/um/drivers/harddog_user.c

^1da177e4c3f41 Linus Torvalds 2005-04-16  @6  #include <stdio.h>
^1da177e4c3f41 Linus Torvalds 2005-04-16   7  #include <unistd.h>
^1da177e4c3f41 Linus Torvalds 2005-04-16   8  #include <errno.h>
37185b33240870 Al Viro        2012-10-08   9  #include <os.h>
^1da177e4c3f41 Linus Torvalds 2005-04-16  10  

:::::: The code at line 6 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

Re: arch/um/drivers/harddog_user.c:6:10: fatal error: stdio.h: No such file or directory

[Richard Weinberger]

----- Ursprüngliche Mail -----
> Von: "kernel test robot" <lkp@intel.com>
> FYI, the error/warning still remains.
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> master
> head:   16a8829130ca22666ac6236178a6233208d425c3
> commit: fc54a4f15988e228cf88f888483e985c5f35031e um: prevent user code in
> modules
> date:   3 weeks ago
> config: um-allmodconfig
> (https://download.01.org/0day-ci/archive/20230510/202305100640.HGwVAUIt-lkp@intel.com/config)
> compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
> reproduce (this is a W=1 build):

The fix is already in linux-next. PR will follow shortly.

Thanks,
//richard