Re: [PATCH v3 5/6] KEYS: Replace assoc_array with rhashtable
From: kernel test robot
Date: Thu Oct 29 2026 - 04:47:56 EST
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-20261028]
[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: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20261029/202610291634.MckYHsJq-lkp@xxxxxxxxx/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261029/202610291634.MckYHsJq-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610291634.MckYHsJq-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
In file included from <command-line>:
kernel/bpf/keys.c: In function 'bpf_lookup_keyring':
>> kernel/bpf/keys.c:32:35: error: 'struct key' has no member named 'keys'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~
include/linux/compiler_types.h:682:23: note: in definition of macro '__compiletime_assert'
682 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:702:9: note: in expansion of macro '_compiletime_assert'
702 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/keys.c:32:14: note: in expansion of macro 'READ_ONCE'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~~~~~~~~
>> kernel/bpf/keys.c:32:35: error: 'struct key' has no member named 'keys'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~
include/linux/compiler_types.h:682:23: note: in definition of macro '__compiletime_assert'
682 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:702:9: note: in expansion of macro '_compiletime_assert'
702 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/keys.c:32:14: note: in expansion of macro 'READ_ONCE'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~~~~~~~~
>> kernel/bpf/keys.c:32:35: error: 'struct key' has no member named 'keys'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~
include/linux/compiler_types.h:682:23: note: in definition of macro '__compiletime_assert'
682 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:702:9: note: in expansion of macro '_compiletime_assert'
702 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/keys.c:32:14: note: in expansion of macro 'READ_ONCE'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~~~~~~~~
>> kernel/bpf/keys.c:32:35: error: 'struct key' has no member named 'keys'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~
include/linux/compiler_types.h:682:23: note: in definition of macro '__compiletime_assert'
682 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:702:9: note: in expansion of macro '_compiletime_assert'
702 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/keys.c:32:14: note: in expansion of macro 'READ_ONCE'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~~~~~~~~
>> kernel/bpf/keys.c:32:35: error: 'struct key' has no member named 'keys'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~
include/linux/compiler_types.h:682:23: note: in definition of macro '__compiletime_assert'
682 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:702:9: note: in expansion of macro '_compiletime_assert'
702 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/keys.c:32:14: note: in expansion of macro 'READ_ONCE'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~~~~~~~~
>> kernel/bpf/keys.c:32:35: error: 'struct key' has no member named 'keys'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~
include/linux/compiler_types.h:635:53: note: in definition of macro '__unqual_scalar_typeof'
635 | #define __unqual_scalar_typeof(x) __typeof_unqual__(x)
| ^
include/asm-generic/rwonce.h:50:9: note: in expansion of macro '__READ_ONCE'
50 | __READ_ONCE(x); \
| ^~~~~~~~~~~
kernel/bpf/keys.c:32:14: note: in expansion of macro 'READ_ONCE'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~~~~~~~~
In file included from ./arch/x86/include/generated/asm/rwonce.h:1,
from include/linux/compiler.h:391,
from include/uapi/linux/filter.h:9,
from include/linux/bpf.h:8,
from kernel/bpf/keys.c:4:
>> kernel/bpf/keys.c:32:35: error: 'struct key' has no member named 'keys'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~
include/asm-generic/rwonce.h:44:73: note: in definition of macro '__READ_ONCE'
44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
| ^
kernel/bpf/keys.c:32:14: note: in expansion of macro 'READ_ONCE'
32 | if (!READ_ONCE(bpf_keyring->keys.nr_leaves_on_tree) ||
| ^~~~~~~~~
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
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki