Re: [PATCH v3 5/6] KEYS: Replace assoc_array with rhashtable

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

Hi Jarkko,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[cannot apply to akpm-mm/mm-nonmm-unstable manguebit/cifs-next manguebit/cifs-fixes device-mapper-dm/for-next fsverity/for-next fsverity/for-current shuah-kselftest/next shuah-kselftest/fixes dhowells-fs/fscache-next dhowells-fs/keys-next v7.3 next-20261027]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jarkko-Sakkinen/KEYS-Expand-key-datalen-quotalen-to-unsigned-int/20261025-031009
base:   linus/master
patch link:    https://lore.kernel.org/r/20261025001105.1824178-6-jarkko%40kernel.org
patch subject: [PATCH v3 5/6] KEYS: Replace assoc_array with rhashtable
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20261028/202610281546.OMDCubFW-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 186e70f4e6a1521991d2340d3d49b23b1beff11f)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261028/202610281546.OMDCubFW-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/202610281546.OMDCubFW-lkp@intel.com/

All errors (new ones prefixed by >>):

>> kernel/bpf/keys.c:32:30: error: no member named 'keys' in 'struct key'
      32 |         if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
         |                        ~~~~~~~~~~~  ^
>> kernel/bpf/keys.c:32:30: error: no member named 'keys' in 'struct key'
      32 |         if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
         |                        ~~~~~~~~~~~  ^
>> kernel/bpf/keys.c:32:30: error: no member named 'keys' in 'struct key'
      32 |         if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
         |                        ~~~~~~~~~~~  ^
>> kernel/bpf/keys.c:32:30: error: no member named 'keys' in 'struct key'
      32 |         if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
         |                        ~~~~~~~~~~~  ^
>> kernel/bpf/keys.c:32:30: error: no member named 'keys' in 'struct key'
      32 |         if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
         |                        ~~~~~~~~~~~  ^
>> kernel/bpf/keys.c:32:30: error: no member named 'keys' in 'struct key'
      32 |         if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
         |                        ~~~~~~~~~~~  ^
>> kernel/bpf/keys.c:32:30: error: no member named 'keys' in 'struct key'
      32 |         if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
         |                        ~~~~~~~~~~~  ^
   7 errors generated.


vim +32 kernel/bpf/keys.c

abaa0835b4f3810 Daniel Borkmann 2026-08-28  25  
264d8fd2794fabe Daniel Borkmann 2026-08-28  26  struct bpf_key *bpf_lookup_keyring(void)
264d8fd2794fabe Daniel Borkmann 2026-08-28  27  {
264d8fd2794fabe Daniel Borkmann 2026-08-28  28  	struct bpf_key *bkey;
264d8fd2794fabe Daniel Borkmann 2026-08-28  29  
264d8fd2794fabe Daniel Borkmann 2026-08-28  30  	if (!bpf_keyring)
264d8fd2794fabe Daniel Borkmann 2026-08-28  31  		return NULL;
264d8fd2794fabe Daniel Borkmann 2026-08-28 @32  	if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
264d8fd2794fabe Daniel Borkmann 2026-08-28  33  	    !READ_ONCE(bpf_keyring->restrict_link))
264d8fd2794fabe Daniel Borkmann 2026-08-28  34  		return NULL;
264d8fd2794fabe Daniel Borkmann 2026-08-28  35  
264d8fd2794fabe Daniel Borkmann 2026-08-28  36  	bkey = kmalloc_obj(*bkey);
264d8fd2794fabe Daniel Borkmann 2026-08-28  37  	if (!bkey)
264d8fd2794fabe Daniel Borkmann 2026-08-28  38  		return NULL;
264d8fd2794fabe Daniel Borkmann 2026-08-28  39  
264d8fd2794fabe Daniel Borkmann 2026-08-28  40  	bkey->key = bpf_keyring;
264d8fd2794fabe Daniel Borkmann 2026-08-28  41  	bkey->has_ref = false;
264d8fd2794fabe Daniel Borkmann 2026-08-28  42  	return bkey;
264d8fd2794fabe Daniel Borkmann 2026-08-28  43  }
264d8fd2794fabe Daniel Borkmann 2026-08-28  44  

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