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* Re: [PATCH v5 7/7] fs: introduce file_getattr and file_setattr syscalls
       [not found] <20250513-xattrat-syscall-v5-7-22bb9c6c767f@kernel.org>
@ 2025-05-13 22:39 ` kernel test robot
  2025-05-18 11:26 ` kernel test robot
  1 sibling, 0 replies; 3+ messages in thread
From: kernel test robot @ 2025-05-13 22:39 UTC (permalink / raw)
  To: Andrey Albershteyn, Richard Henderson, Matt Turner, Russell King,
	Catalin Marinas, Will Deacon, Geert Uytterhoeven, Michal Simek,
	Thomas Bogendoerfer, James E.J. Bottomley, Helge Deller,
	Madhavan Srinivasan, Michael Ellerman, Nicholas Piggin,
	Christophe Leroy, Naveen N Rao, Heiko Carstens, Vasily Gorbik,
	Alexander Gordeev, Christian Borntraeger, Sven Schnelle,
	Yoshinori Sato, Rich Felker, John Paul Adrian Glaubitz,
	David S. Miller, Andreas Larsson, Andy Lutomirski,
	Thomas Gleixner, Ingo Molnar, Borislav Petkov
  Cc: oe-kbuild-all, netdev

Hi Andrey,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 0d8d44db295ccad20052d6301ef49ff01fb8ae2d]

url:    https://github.com/intel-lab-lkp/linux/commits/Andrey-Albershteyn/fs-split-fileattr-related-helpers-into-separate-file/20250513-172128
base:   0d8d44db295ccad20052d6301ef49ff01fb8ae2d
patch link:    https://lore.kernel.org/r/20250513-xattrat-syscall-v5-7-22bb9c6c767f%40kernel.org
patch subject: [PATCH v5 7/7] fs: introduce file_getattr and file_setattr syscalls
config: openrisc-allnoconfig (https://download.01.org/0day-ci/archive/20250514/202505140614.Hqk46aA8-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250514/202505140614.Hqk46aA8-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202505140614.Hqk46aA8-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> <stdin>:1618:2: warning: #warning syscall file_getattr not implemented [-Wcpp]
>> <stdin>:1621:2: warning: #warning syscall file_setattr not implemented [-Wcpp]
--
>> <stdin>:1618:2: warning: #warning syscall file_getattr not implemented [-Wcpp]
>> <stdin>:1621:2: warning: #warning syscall file_setattr not implemented [-Wcpp]

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

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH v5 7/7] fs: introduce file_getattr and file_setattr syscalls
       [not found] <20250513-xattrat-syscall-v5-7-22bb9c6c767f@kernel.org>
  2025-05-13 22:39 ` [PATCH v5 7/7] fs: introduce file_getattr and file_setattr syscalls kernel test robot
@ 2025-05-18 11:26 ` kernel test robot
  2025-05-19  8:06   ` Heiko Carstens
  1 sibling, 1 reply; 3+ messages in thread
From: kernel test robot @ 2025-05-18 11:26 UTC (permalink / raw)
  To: Andrey Albershteyn, Richard Henderson, Matt Turner, Russell King,
	Catalin Marinas, Will Deacon, Geert Uytterhoeven, Michal Simek,
	Thomas Bogendoerfer, James E.J. Bottomley, Helge Deller,
	Madhavan Srinivasan, Michael Ellerman, Nicholas Piggin,
	Christophe Leroy, Naveen N Rao, Heiko Carstens, Vasily Gorbik,
	Alexander Gordeev, Christian Borntraeger, Sven Schnelle,
	Yoshinori Sato, Rich Felker, John Paul Adrian Glaubitz,
	David S. Miller, Andreas Larsson, Andy Lutomirski,
	Thomas Gleixner, Ingo Molnar, Borislav Petkov
  Cc: oe-kbuild-all, netdev

Hi Andrey,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 0d8d44db295ccad20052d6301ef49ff01fb8ae2d]

url:    https://github.com/intel-lab-lkp/linux/commits/Andrey-Albershteyn/fs-split-fileattr-related-helpers-into-separate-file/20250513-172128
base:   0d8d44db295ccad20052d6301ef49ff01fb8ae2d
patch link:    https://lore.kernel.org/r/20250513-xattrat-syscall-v5-7-22bb9c6c767f%40kernel.org
patch subject: [PATCH v5 7/7] fs: introduce file_getattr and file_setattr syscalls
config: s390-randconfig-r112-20250518 (https://download.01.org/0day-ci/archive/20250518/202505181900.UGh2tVRs-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 8.5.0
reproduce: (https://download.01.org/0day-ci/archive/20250518/202505181900.UGh2tVRs-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202505181900.UGh2tVRs-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> fs/file_attr.c:362:1: sparse: sparse: Using plain integer as NULL pointer
>> fs/file_attr.c:362:1: sparse: sparse: Using plain integer as NULL pointer
>> fs/file_attr.c:362:1: sparse: sparse: Using plain integer as NULL pointer
>> fs/file_attr.c:362:1: sparse: sparse: Using plain integer as NULL pointer
   fs/file_attr.c:416:1: sparse: sparse: Using plain integer as NULL pointer
   fs/file_attr.c:416:1: sparse: sparse: Using plain integer as NULL pointer
   fs/file_attr.c:416:1: sparse: sparse: Using plain integer as NULL pointer
   fs/file_attr.c:416:1: sparse: sparse: Using plain integer as NULL pointer

vim +362 fs/file_attr.c

   361	
 > 362	SYSCALL_DEFINE5(file_getattr, int, dfd, const char __user *, filename,
   363			struct fsxattr __user *, ufsx, size_t, usize,
   364			unsigned int, at_flags)
   365	{
   366		struct fileattr fa = {};
   367		struct path filepath __free(path_put) = {};
   368		int error;
   369		unsigned int lookup_flags = 0;
   370		struct filename *name;
   371		struct fsxattr fsx = {};
   372	
   373		BUILD_BUG_ON(sizeof(struct fsxattr) < FSXATTR_SIZE_VER0);
   374		BUILD_BUG_ON(sizeof(struct fsxattr) != FSXATTR_SIZE_LATEST);
   375	
   376		if ((at_flags & ~(AT_SYMLINK_NOFOLLOW | AT_EMPTY_PATH)) != 0)
   377			return -EINVAL;
   378	
   379		if (!(at_flags & AT_SYMLINK_NOFOLLOW))
   380			lookup_flags |= LOOKUP_FOLLOW;
   381	
   382		if (usize > PAGE_SIZE)
   383			return -E2BIG;
   384	
   385		if (usize < FSXATTR_SIZE_VER0)
   386			return -EINVAL;
   387	
   388		name = getname_maybe_null(filename, at_flags);
   389		if (IS_ERR(name))
   390			return PTR_ERR(name);
   391	
   392		if (!name && dfd >= 0) {
   393			CLASS(fd, f)(dfd);
   394	
   395			filepath = fd_file(f)->f_path;
   396			path_get(&filepath);
   397		} else {
   398			error = filename_lookup(dfd, name, lookup_flags, &filepath,
   399						NULL);
   400			putname(name);
   401			if (error)
   402				return error;
   403		}
   404	
   405		error = vfs_fileattr_get(filepath.dentry, &fa);
   406		if (error)
   407			return error;
   408	
   409		fileattr_to_fsxattr(&fa, &fsx);
   410		error = copy_struct_to_user(ufsx, usize, &fsx, sizeof(struct fsxattr),
   411					    NULL);
   412	
   413		return error;
   414	}
   415	

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

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH v5 7/7] fs: introduce file_getattr and file_setattr syscalls
  2025-05-18 11:26 ` kernel test robot
@ 2025-05-19  8:06   ` Heiko Carstens
  0 siblings, 0 replies; 3+ messages in thread
From: Heiko Carstens @ 2025-05-19  8:06 UTC (permalink / raw)
  To: kernel test robot
  Cc: Andrey Albershteyn, Richard Henderson, Matt Turner, Russell King,
	Catalin Marinas, Will Deacon, Geert Uytterhoeven, Michal Simek,
	Thomas Bogendoerfer, James E.J. Bottomley, Helge Deller,
	Madhavan Srinivasan, Michael Ellerman, Nicholas Piggin,
	Christophe Leroy, Naveen N Rao, Vasily Gorbik, Alexander Gordeev,
	Christian Borntraeger, Sven Schnelle, Yoshinori Sato, Rich Felker,
	John Paul Adrian Glaubitz, David S. Miller, Andreas Larsson,
	Andy Lutomirski, Thomas Gleixner, Ingo Molnar, Borislav Petkov,
	oe-kbuild-all, netdev

On Sun, May 18, 2025 at 07:26:00PM +0800, kernel test robot wrote:
> Hi Andrey,
> 
> kernel test robot noticed the following build warnings:
> 
> [auto build test WARNING on 0d8d44db295ccad20052d6301ef49ff01fb8ae2d]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Andrey-Albershteyn/fs-split-fileattr-related-helpers-into-separate-file/20250513-172128
> base:   0d8d44db295ccad20052d6301ef49ff01fb8ae2d
> patch link:    https://lore.kernel.org/r/20250513-xattrat-syscall-v5-7-22bb9c6c767f%40kernel.org
> patch subject: [PATCH v5 7/7] fs: introduce file_getattr and file_setattr syscalls
> config: s390-randconfig-r112-20250518 (https://download.01.org/0day-ci/archive/20250518/202505181900.UGh2tVRs-lkp@intel.com/config)
> compiler: s390-linux-gcc (GCC) 8.5.0
> reproduce: (https://download.01.org/0day-ci/archive/20250518/202505181900.UGh2tVRs-lkp@intel.com/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@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202505181900.UGh2tVRs-lkp@intel.com/
> 
> sparse warnings: (new ones prefixed by >>)
> >> fs/file_attr.c:362:1: sparse: sparse: Using plain integer as NULL pointer
> >> fs/file_attr.c:362:1: sparse: sparse: Using plain integer as NULL pointer
> >> fs/file_attr.c:362:1: sparse: sparse: Using plain integer as NULL pointer
> >> fs/file_attr.c:362:1: sparse: sparse: Using plain integer as NULL pointer
>    fs/file_attr.c:416:1: sparse: sparse: Using plain integer as NULL pointer
>    fs/file_attr.c:416:1: sparse: sparse: Using plain integer as NULL pointer
>    fs/file_attr.c:416:1: sparse: sparse: Using plain integer as NULL pointer
>    fs/file_attr.c:416:1: sparse: sparse: Using plain integer as NULL pointer
> 
> vim +362 fs/file_attr.c
> 
>    361	
>  > 362	SYSCALL_DEFINE5(file_getattr, int, dfd, const char __user *, filename,
>    363			struct fsxattr __user *, ufsx, size_t, usize,
>    364			unsigned int, at_flags)
>    365	{

Please ignore the warning. There is nothing to fix; this is a warning which
happens only with CONFIG_COMPAT and Al's "SC_DELOUSE" macro, which is used for
compat syscalls. Sparse cannot handle that.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2025-05-19  8:08 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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     [not found] <20250513-xattrat-syscall-v5-7-22bb9c6c767f@kernel.org>
2025-05-13 22:39 ` [PATCH v5 7/7] fs: introduce file_getattr and file_setattr syscalls kernel test robot
2025-05-18 11:26 ` kernel test robot
2025-05-19  8:06   ` Heiko Carstens

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