security/landlock/ruleset.c:644: warning: Function parameter or struct member '' not described in 'landlock_init_layer_masks'

[kernel test robot <lkp@intel.com>]

Hi Konstantin,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9244696b34f2a626d7468864420ab6a47289bf10
commit: 0e7410112964168a65578002269ae3b80b207936 landlock: Move and rename layer helpers
date:   1 year, 2 months ago
config: csky-randconfig-r026-20230729 (https://download.01.org/0day-ci/archive/20250106/202501060543.XG0RGoPB-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 12.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250106/202501060543.XG0RGoPB-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/202501060543.XG0RGoPB-lkp@intel.com/

All warnings (new ones prefixed by >>):

   Use of uninitialized value $param in regexp compilation at scripts/kernel-doc line 1532, <IN_FILE> line 182.
   Use of uninitialized value $actual in substitution (s///) at scripts/kernel-doc line 1484, <IN_FILE> line 182.
   Use of uninitialized value $actual in substitution (s///) at scripts/kernel-doc line 1484, <IN_FILE> line 182.
   Use of uninitialized value $param in substitution (s///) at scripts/kernel-doc line 1588, <IN_FILE> line 182.
   Use of uninitialized value $param in pattern match (m//) at scripts/kernel-doc line 1616, <IN_FILE> line 182.
   Use of uninitialized value $param in hash element at scripts/kernel-doc line 1626, <IN_FILE> line 182.
   Use of uninitialized value $param in pattern match (m//) at scripts/kernel-doc line 1626, <IN_FILE> line 182.
   Use of uninitialized value $param in hash element at scripts/kernel-doc line 1627, <IN_FILE> line 182.
   Use of uninitialized value $param in pattern match (m//) at scripts/kernel-doc line 1629, <IN_FILE> line 182.
   Use of uninitialized value $param in concatenation (.) or string at scripts/kernel-doc line 1630, <IN_FILE> line 182.
   security/landlock/ruleset.c:182: warning: Function parameter or struct member '' not described in 'insert_rule'
   Use of uninitialized value $param in hash element at scripts/kernel-doc line 1645, <IN_FILE> line 182.
   Use of uninitialized value $parameterlist[2] in join or string at scripts/kernel-doc line 1806, <IN_FILE> line 182.
   security/landlock/ruleset.c:182: warning: Excess function parameter 'layers' description in 'insert_rule'
   Use of uninitialized value $param in regexp compilation at scripts/kernel-doc line 1532, <IN_FILE> line 644.
   Use of uninitialized value $actual in substitution (s///) at scripts/kernel-doc line 1484, <IN_FILE> line 644.
   Use of uninitialized value $actual in substitution (s///) at scripts/kernel-doc line 1484, <IN_FILE> line 644.
   Use of uninitialized value $param in substitution (s///) at scripts/kernel-doc line 1588, <IN_FILE> line 644.
   Use of uninitialized value $param in pattern match (m//) at scripts/kernel-doc line 1616, <IN_FILE> line 644.
   Use of uninitialized value $param in hash element at scripts/kernel-doc line 1626, <IN_FILE> line 644.
   Use of uninitialized value $param in pattern match (m//) at scripts/kernel-doc line 1626, <IN_FILE> line 644.
   Use of uninitialized value $param in hash element at scripts/kernel-doc line 1627, <IN_FILE> line 644.
   Use of uninitialized value $param in pattern match (m//) at scripts/kernel-doc line 1629, <IN_FILE> line 644.
   Use of uninitialized value $param in concatenation (.) or string at scripts/kernel-doc line 1630, <IN_FILE> line 644.
>> security/landlock/ruleset.c:644: warning: Function parameter or struct member '' not described in 'landlock_init_layer_masks'
   Use of uninitialized value $param in hash element at scripts/kernel-doc line 1645, <IN_FILE> line 644.
   Use of uninitialized value $parameterlist[2] in join or string at scripts/kernel-doc line 1806, <IN_FILE> line 644.
>> security/landlock/ruleset.c:644: warning: Excess function parameter 'layer_masks' description in 'landlock_init_layer_masks'


vim +644 security/landlock/ruleset.c

   626	
   627	/**
   628	 * landlock_init_layer_masks - Initialize layer masks from an access request
   629	 *
   630	 * Populates @layer_masks such that for each access right in @access_request,
   631	 * the bits for all the layers are set where this access right is handled.
   632	 *
   633	 * @domain: The domain that defines the current restrictions.
   634	 * @access_request: The requested access rights to check.
   635	 * @layer_masks: The layer masks to populate.
   636	 *
   637	 * Returns: An access mask where each access right bit is set which is handled
   638	 * in any of the active layers in @domain.
   639	 */
   640	access_mask_t landlock_init_layer_masks(
   641		const struct landlock_ruleset *const domain,
   642		const access_mask_t access_request,
   643		layer_mask_t (*const layer_masks)[LANDLOCK_NUM_ACCESS_FS])
 > 644	{

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