Hi Salvatore, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: ea8b5fbcdf7f5ce2d966ae6aa4e95e2ebde6cb03 commit: 68ee705da160d123656dcbf9ebd449fb77b54bc0 [3399/3399] scripts: kernel-doc: Fix syntax error due to undeclared args variable config: x86_64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20251210/202512100037.0LOqY3GV-lkp@i...) 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/20251210/202512100037.0LOqY3GV-lkp@i...) 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/202512100037.0LOqY3GV-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

certs/system_keyring.c:42: warning: Function parameter or member 'dest_keyring' not described in 'restrict_link_by_builtin_trusted' certs/system_keyring.c:42: warning: Function parameter or member 'type' not described in 'restrict_link_by_builtin_trusted' certs/system_keyring.c:42: warning: Function parameter or member 'payload' not described in 'restrict_link_by_builtin_trusted' certs/system_keyring.c:42: warning: Function parameter or member 'restriction_key' not described in 'restrict_link_by_builtin_trusted' certs/system_keyring.c:61: warning: Function parameter or member 'dest_keyring' not described in 'restrict_link_by_builtin_and_secondary_trusted' certs/system_keyring.c:61: warning: Function parameter or member 'type' not described in 'restrict_link_by_builtin_and_secondary_trusted' certs/system_keyring.c:61: warning: Function parameter or member 'payload' not described in 'restrict_link_by_builtin_and_secondary_trusted' certs/system_keyring.c:61: warning: Function parameter or member 'restrict_key' not described in 'restrict_link_by_builtin_and_secondary_trusted' -- mm/filemap.c:823:14: warning: no previous prototype for '__add_to_page_cache_locked' [-Wmissing-prototypes] 823 | noinline int __add_to_page_cache_locked(struct page *page, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ -- mm/truncate.c:543: warning: Function parameter or member 'mapping' not described in 'invalidate_mapping_pagevec' mm/truncate.c:543: warning: Function parameter or member 'start' not described in 'invalidate_mapping_pagevec' mm/truncate.c:543: warning: Function parameter or member 'end' not described in 'invalidate_mapping_pagevec' mm/truncate.c:543: warning: Function parameter or member 'nr_pagevec' not described in 'invalidate_mapping_pagevec' -- mm/oom_kill.c:316: warning: Function parameter or member 'task' not described in 'oom_next_task' mm/oom_kill.c:316: warning: Function parameter or member 'oc' not described in 'oom_next_task' mm/oom_kill.c:316: warning: Function parameter or member 'points' not described in 'oom_next_task' -- mm/page_vma_mapped.c:86: warning: Function parameter or member 'pvmw' not described in 'check_pte' -- mm/vmalloc.c:3666: warning: Function parameter or member 'pgoff' not described in 'remap_vmalloc_hugepage_range_partial' mm/vmalloc.c:3795: warning: Function parameter or member 'align' not described in 'pvm_determine_end_from_reverse' -- mm/page_alloc.c:3040:6: warning: no previous prototype for '__drain_all_pages' [-Wmissing-prototypes] 3040 | void __drain_all_pages(struct zone *zone, bool force_all_cpus) | ^~~~~~~~~~~~~~~~~ mm/page_alloc.c:3603:15: warning: no previous prototype for 'should_fail_alloc_page' [-Wmissing-prototypes] 3603 | noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) | ^~~~~~~~~~~~~~~~~~~~~~ mm/page_alloc.c:6754:20: warning: no previous prototype for 'memmap_init' [-Wmissing-prototypes] 6754 | void __init __weak memmap_init(void) | ^~~~~~~~~~~ mm/page_alloc.c:6792:23: warning: no previous prototype for 'arch_memmap_init' [-Wmissing-prototypes] 6792 | void __meminit __weak arch_memmap_init(unsigned long size, int nid, | ^~~~~~~~~~~~~~~~ mm/page_alloc.c:6910:6: warning: no previous prototype for '__zone_set_pageset_high_and_batch' [-Wmissing-prototypes] 6910 | void __zone_set_pageset_high_and_batch(struct zone *zone, unsigned long high, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- mm/khugepaged.c:102: warning: Function parameter or member 'nr_pte_mapped_thp' not described in 'mm_slot' mm/khugepaged.c:102: warning: Function parameter or member 'pte_mapped_thp' not described in 'mm_slot' mm/khugepaged.c:1453: warning: Function parameter or member 'mm' not described in 'collapse_pte_mapped_thp' mm/khugepaged.c:1453: warning: Function parameter or member 'addr' not described in 'collapse_pte_mapped_thp' mm/khugepaged.c:1691: warning: Function parameter or member 'mm' not described in 'collapse_file' mm/khugepaged.c:1691: warning: Function parameter or member 'file' not described in 'collapse_file' mm/khugepaged.c:1691: warning: Function parameter or member 'start' not described in 'collapse_file' mm/khugepaged.c:1691: warning: Function parameter or member 'hpage' not described in 'collapse_file' mm/khugepaged.c:1691: warning: Function parameter or member 'node' not described in 'collapse_file' mm/khugepaged.c:1691: warning: Function parameter or member 'reliable' not described in 'collapse_file' -- mm/early_ioremap.c:34:24: warning: no previous prototype for 'early_memremap_pgprot_adjust' [-Wmissing-prototypes] 34 | pgprot_t __init __weak early_memremap_pgprot_adjust(resource_size_t phys_addr, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- mm/kasan/init.c:232: warning: Function parameter or member 'shadow_start' not described in 'kasan_populate_early_shadow' mm/kasan/init.c:232: warning: Function parameter or member 'shadow_end' not described in 'kasan_populate_early_shadow' -- fs/open.c:887: warning: Excess function parameter 'opened' description in 'finish_open' fs/open.c:929: warning: Excess function parameter 'cred' description in 'vfs_open' ..

vim +42 certs/system_keyring.c b56e5a17b6b9acd kernel/system_keyring.c David Howells 2013-08-30 31 a511e1af8b12f44 certs/system_keyring.c David Howells 2016-04-06 32 /** d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 33 * restrict_link_to_builtin_trusted - Restrict keyring addition by built in CA a511e1af8b12f44 certs/system_keyring.c David Howells 2016-04-06 34 * a511e1af8b12f44 certs/system_keyring.c David Howells 2016-04-06 35 * Restrict the addition of keys into a keyring based on the key-to-be-added d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 36 * being vouched for by a key in the built in system keyring. a511e1af8b12f44 certs/system_keyring.c David Howells 2016-04-06 37 */ aaf66c883813f00 certs/system_keyring.c Mat Martineau 2016-08-30 38 int restrict_link_by_builtin_trusted(struct key *dest_keyring, a511e1af8b12f44 certs/system_keyring.c David Howells 2016-04-06 39 const struct key_type *type, aaf66c883813f00 certs/system_keyring.c Mat Martineau 2016-08-30 40 const union key_payload *payload, aaf66c883813f00 certs/system_keyring.c Mat Martineau 2016-08-30 41 struct key *restriction_key) a511e1af8b12f44 certs/system_keyring.c David Howells 2016-04-06 @42 { aaf66c883813f00 certs/system_keyring.c Mat Martineau 2016-08-30 43 return restrict_link_by_signature(dest_keyring, type, payload, aaf66c883813f00 certs/system_keyring.c Mat Martineau 2016-08-30 44 builtin_trusted_keys); a511e1af8b12f44 certs/system_keyring.c David Howells 2016-04-06 45 } a511e1af8b12f44 certs/system_keyring.c David Howells 2016-04-06 46 d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 47 #ifdef CONFIG_SECONDARY_TRUSTED_KEYRING d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 48 /** d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 49 * restrict_link_by_builtin_and_secondary_trusted - Restrict keyring d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 50 * addition by both builtin and secondary keyrings d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 51 * d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 52 * Restrict the addition of keys into a keyring based on the key-to-be-added d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 53 * being vouched for by a key in either the built-in or the secondary system d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 54 * keyrings. d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 55 */ d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 56 int restrict_link_by_builtin_and_secondary_trusted( aaf66c883813f00 certs/system_keyring.c Mat Martineau 2016-08-30 57 struct key *dest_keyring, d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 58 const struct key_type *type, aaf66c883813f00 certs/system_keyring.c Mat Martineau 2016-08-30 59 const union key_payload *payload, aaf66c883813f00 certs/system_keyring.c Mat Martineau 2016-08-30 60 struct key *restrict_key) d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 @61 { d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 62 /* If we have a secondary trusted keyring, then that contains a link d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 63 * through to the builtin keyring and the search will follow that link. d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 64 */ d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 65 if (type == &key_type_keyring && aaf66c883813f00 certs/system_keyring.c Mat Martineau 2016-08-30 66 dest_keyring == secondary_trusted_keys && d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 67 payload == &builtin_trusted_keys->payload) d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 68 /* Allow the builtin keyring to be added to the secondary */ d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 69 return 0; d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 70 aaf66c883813f00 certs/system_keyring.c Mat Martineau 2016-08-30 71 return restrict_link_by_signature(dest_keyring, type, payload, aaf66c883813f00 certs/system_keyring.c Mat Martineau 2016-08-30 72 secondary_trusted_keys); d3bfe84129f65e0 certs/system_keyring.c David Howells 2016-04-06 73 } 2b6aa412ff23a02 certs/system_keyring.c Mat Martineau 2016-08-31 74 :::::: The code at line 42 was first introduced by commit :::::: a511e1af8b12f44c6e55786c463c9f093c214fb6 KEYS: Move the point of trust determination to __key_link() :::::: TO: David Howells <dhowells@redhat.com> :::::: CC: David Howells <dhowells@redhat.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki