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[openeuler:OLK-6.6 3541/3541] kernel/sched/topology.c:2310:32: sparse: sparse: incorrect type in initializer (different base types)
by kernel test robot 14 Dec '25

14 Dec '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: cd9eb9b4365b71652b2c2ac58293bea47c9f9302 commit: 0ccb3f810722de634beed0dc6fe5c59d963b4c50 [3541/3541] sched/topology: Provide cfs_overload_cpus bitmap config: arm64-randconfig-r113-20251213 (https://download.01.org/0day-ci/archive/20251214/202512141633.L3GKJfV1-lkp@…) compiler: aarch64-linux-gcc (GCC) 12.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512141633.L3GKJfV1-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512141633.L3GKJfV1-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/build_utility.c: note: in included file: kernel/sched/stop_task.c:73:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/stop_task.c:73:38: sparse: expected struct task_struct *curr kernel/sched/stop_task.c:73:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/build_utility.c: note: in included file: >> kernel/sched/topology.c:2310:32: sparse: sparse: incorrect type in initializer (different base types) @@ expected int flags @@ got restricted gfp_t @@ kernel/sched/topology.c:2310:32: sparse: expected int flags kernel/sched/topology.c:2310:32: sparse: got restricted gfp_t >> kernel/sched/topology.c:2318:61: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected restricted gfp_t [usertype] flags @@ got int flags @@ kernel/sched/topology.c:2318:61: sparse: expected restricted gfp_t [usertype] flags kernel/sched/topology.c:2318:61: sparse: got int flags kernel/sched/topology.c:2346:58: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2346:58: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2346:58: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:491:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct perf_domain *pd @@ got struct perf_domain [noderef] __rcu *pd @@ kernel/sched/topology.c:491:19: sparse: expected struct perf_domain *pd kernel/sched/topology.c:491:19: sparse: got struct perf_domain [noderef] __rcu *pd kernel/sched/topology.c:655:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:655:49: sparse: expected struct sched_domain *parent kernel/sched/topology.c:655:49: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:702:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:702:9: sparse: struct sparsemask [noderef] __rcu * kernel/sched/topology.c:702:9: sparse: struct sparsemask * kernel/sched/topology.c:730:50: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:730:50: sparse: expected struct sched_domain *parent kernel/sched/topology.c:730:50: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:738:55: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *[noderef] __rcu child @@ got struct sched_domain *[assigned] tmp @@ kernel/sched/topology.c:738:55: sparse: expected struct sched_domain [noderef] __rcu *[noderef] __rcu child kernel/sched/topology.c:738:55: sparse: got struct sched_domain *[assigned] tmp kernel/sched/topology.c:751:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:751:29: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/topology.c:751:29: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:756:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:756:20: sparse: expected struct sched_domain *sd kernel/sched/topology.c:756:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:777:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *sd @@ kernel/sched/topology.c:777:13: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/topology.c:777:13: sparse: got struct sched_domain [noderef] __rcu *sd kernel/sched/topology.c:939:70: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:939:70: sparse: expected struct sched_domain *sd kernel/sched/topology.c:939:70: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:968:59: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:968:59: sparse: expected struct sched_domain *sd kernel/sched/topology.c:968:59: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1014:57: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1014:57: sparse: expected struct sched_domain *sd kernel/sched/topology.c:1014:57: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1016:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1016:25: sparse: expected struct sched_domain *sibling kernel/sched/topology.c:1016:25: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1024:55: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1024:55: sparse: expected struct sched_domain *sd kernel/sched/topology.c:1024:55: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1026:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1026:25: sparse: expected struct sched_domain *sibling kernel/sched/topology.c:1026:25: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1096:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1096:62: sparse: expected struct sched_domain *sd kernel/sched/topology.c:1096:62: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1200:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1200:40: sparse: expected struct sched_domain *child kernel/sched/topology.c:1200:40: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1620:43: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain [noderef] __rcu *child @@ got struct sched_domain *child @@ kernel/sched/topology.c:1620:43: sparse: expected struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1620:43: sparse: got struct sched_domain *child kernel/sched/topology.c:1758:21: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:1758:21: sparse: int [noderef] __rcu * kernel/sched/topology.c:1758:21: sparse: int * kernel/sched/topology.c:1884:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:1884:9: sparse: int [noderef] __rcu * kernel/sched/topology.c:1884:9: sparse: int * kernel/sched/topology.c:1939:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:1939:9: sparse: struct cpumask **[noderef] __rcu * kernel/sched/topology.c:1939:9: sparse: struct cpumask *** kernel/sched/topology.c:1997:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:1997:9: sparse: int [noderef] __rcu * kernel/sched/topology.c:1997:9: sparse: int * kernel/sched/topology.c:1999:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:1999:9: sparse: struct cpumask **[noderef] __rcu * kernel/sched/topology.c:1999:9: sparse: struct cpumask *** kernel/sched/topology.c:2083:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:2083:17: sparse: struct cpumask **[noderef] __rcu * kernel/sched/topology.c:2083:17: sparse: struct cpumask *** kernel/sched/topology.c:2150:19: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:2150:19: sparse: struct cpumask **[noderef] __rcu * kernel/sched/topology.c:2150:19: sparse: struct cpumask *** kernel/sched/topology.c:2190:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/topology.c:2190:17: sparse: struct cpumask **[noderef] __rcu * kernel/sched/topology.c:2190:17: sparse: struct cpumask *** kernel/sched/topology.c:2386:31: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *parent @@ got struct sched_domain *sd @@ kernel/sched/topology.c:2386:31: sparse: expected struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2386:31: sparse: got struct sched_domain *sd kernel/sched/topology.c:2489:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2489:57: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2489:57: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2510:56: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:2510:56: sparse: expected struct sched_domain *child kernel/sched/topology.c:2510:56: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:2509:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2509:57: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2509:57: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2564:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2564:57: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2564:57: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/build_utility.c: note: in included file: kernel/sched/build_utility.c: note: in included file: kernel/sched/sched.h:1853:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/sched.h:1853:9: sparse: expected struct sched_domain *[assigned] sd vim +2310 kernel/sched/topology.c 2304 2305 static int sd_llc_alloc(struct sched_domain *sd) 2306 { 2307 struct sched_domain_shared *sds = sd->shared; 2308 struct cpumask *span = sched_domain_span(sd); 2309 int nid = cpu_to_node(cpumask_first(span)); > 2310 int flags = __GFP_ZERO | GFP_KERNEL; 2311 struct sparsemask *mask; 2312 2313 /* 2314 * Allocate the bitmap if not already allocated. This is called for 2315 * every CPU in the LLC but only allocates once per sd_llc_shared. 2316 */ 2317 if (!sds->cfs_overload_cpus) { > 2318 mask = sparsemask_alloc_node(nr_cpu_ids, 3, flags, nid); 2319 if (!mask) 2320 return 1; 2321 sds->cfs_overload_cpus = mask; 2322 } 2323 2324 return 0; 2325 } 2326 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:openEuler-1.0-LTS] BUILD SUCCESS 5a399b91821faeec2466751db2d714b24f8eb17c
by kernel test robot 14 Dec '25

14 Dec '25

tree/branch: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS branch HEAD: 5a399b91821faeec2466751db2d714b24f8eb17c !19535 fs/proc: fix uaf in proc_readdir_de() elapsed time: 1451m configs tested: 36 configs skipped: 10 The following configs have been built successfully. More configs may be tested in the coming days. tested configs: arm64 allmodconfig gcc-15.1.0 arm64 allnoconfig gcc-15.1.0 arm64 defconfig gcc-15.1.0 arm64 randconfig-001-20251213 gcc-14.3.0 arm64 randconfig-002-20251213 gcc-11.5.0 arm64 randconfig-003-20251213 gcc-11.5.0 arm64 randconfig-004-20251213 gcc-6.5.0 x86_64 allmodconfig clang-22 x86_64 allnoconfig clang-22 x86_64 allyesconfig clang-22 x86_64 buildonly-randconfig-001-20251213 clang-22 x86_64 buildonly-randconfig-002-20251213 clang-22 x86_64 buildonly-randconfig-003-20251213 clang-22 x86_64 buildonly-randconfig-004-20251213 clang-22 x86_64 buildonly-randconfig-005-20251213 gcc-14 x86_64 buildonly-randconfig-006-20251213 clang-22 x86_64 defconfig gcc-14 x86_64 randconfig-001-20251213 gcc-14 x86_64 randconfig-002-20251213 gcc-14 x86_64 randconfig-003-20251213 gcc-14 x86_64 randconfig-004-20251213 clang-22 x86_64 randconfig-005-20251213 gcc-14 x86_64 randconfig-006-20251213 clang-22 x86_64 randconfig-011-20251213 gcc-14 x86_64 randconfig-012-20251213 gcc-14 x86_64 randconfig-013-20251213 clang-22 x86_64 randconfig-014-20251213 clang-22 x86_64 randconfig-015-20251213 gcc-14 x86_64 randconfig-016-20251213 clang-22 x86_64 randconfig-071-20251213 clang-22 x86_64 randconfig-072-20251213 clang-22 x86_64 randconfig-073-20251213 clang-22 x86_64 randconfig-074-20251213 gcc-13 x86_64 randconfig-075-20251213 clang-22 x86_64 randconfig-076-20251213 gcc-14 x86_64 rhel-9.4-rust clang-22 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-5.10 3408/3408] kernel/sys_ni.c:268:1: sparse: sparse: symbol '__x64_sys_landlock_create_ruleset' was not declared. Should it be static?
by kernel test robot 14 Dec '25

14 Dec '25

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: da8948fdddb84e5496272bab85973165594dd469 commit: 21dd31f58b64b122a2d9fb62669d6191d1cf2c0f [3408/3408] landlock: Add syscall implementations config: x86_64-randconfig-121-20251213 (https://download.01.org/0day-ci/archive/20251214/202512141511.RqzYxh3e-lkp@…) 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/20251214/202512141511.RqzYxh3e-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512141511.RqzYxh3e-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sys_ni.c:195:1: sparse: sparse: symbol '__x64_sys_mq_timedsend_time32' was not declared. Should it be static? kernel/sys_ni.c:197:1: sparse: sparse: symbol '__x64_sys_mq_timedreceive_time32' was not declared. Should it be static? kernel/sys_ni.c:198:1: sparse: sparse: symbol '__ia32_sys_mq_notify' was not declared. Should it be static? kernel/sys_ni.c:199:1: sparse: sparse: symbol '__ia32_compat_sys_mq_notify' was not declared. Should it be static? kernel/sys_ni.c:200:1: sparse: sparse: symbol '__ia32_sys_mq_getsetattr' was not declared. Should it be static? kernel/sys_ni.c:201:1: sparse: sparse: symbol '__ia32_compat_sys_mq_getsetattr' was not declared. Should it be static? kernel/sys_ni.c:205:1: sparse: sparse: symbol '__x64_sys_old_msgctl' was not declared. Should it be static? kernel/sys_ni.c:205:1: sparse: sparse: symbol '__ia32_sys_old_msgctl' was not declared. Should it be static? kernel/sys_ni.c:206:1: sparse: sparse: symbol '__ia32_sys_msgctl' was not declared. Should it be static? kernel/sys_ni.c:207:1: sparse: sparse: symbol '__ia32_compat_sys_msgctl' was not declared. Should it be static? kernel/sys_ni.c:208:1: sparse: sparse: symbol '__ia32_compat_sys_old_msgctl' was not declared. Should it be static? kernel/sys_ni.c:209:1: sparse: sparse: symbol '__ia32_sys_msgrcv' was not declared. Should it be static? kernel/sys_ni.c:210:1: sparse: sparse: symbol '__ia32_compat_sys_msgrcv' was not declared. Should it be static? kernel/sys_ni.c:211:1: sparse: sparse: symbol '__ia32_sys_msgsnd' was not declared. Should it be static? kernel/sys_ni.c:212:1: sparse: sparse: symbol '__ia32_compat_sys_msgsnd' was not declared. Should it be static? kernel/sys_ni.c:216:1: sparse: sparse: symbol '__x64_sys_old_semctl' was not declared. Should it be static? kernel/sys_ni.c:216:1: sparse: sparse: symbol '__ia32_sys_old_semctl' was not declared. Should it be static? kernel/sys_ni.c:217:1: sparse: sparse: symbol '__ia32_sys_semctl' was not declared. Should it be static? kernel/sys_ni.c:218:1: sparse: sparse: symbol '__ia32_compat_sys_semctl' was not declared. Should it be static? kernel/sys_ni.c:219:1: sparse: sparse: symbol '__ia32_compat_sys_old_semctl' was not declared. Should it be static? kernel/sys_ni.c:221:1: sparse: sparse: symbol '__x64_sys_semtimedop_time32' was not declared. Should it be static? kernel/sys_ni.c:221:1: sparse: sparse: symbol '__ia32_sys_semtimedop_time32' was not declared. Should it be static? kernel/sys_ni.c:222:1: sparse: sparse: symbol '__ia32_sys_semop' was not declared. Should it be static? kernel/sys_ni.c:226:1: sparse: sparse: symbol '__x64_sys_old_shmctl' was not declared. Should it be static? kernel/sys_ni.c:226:1: sparse: sparse: symbol '__ia32_sys_old_shmctl' was not declared. Should it be static? kernel/sys_ni.c:227:1: sparse: sparse: symbol '__ia32_sys_shmctl' was not declared. Should it be static? kernel/sys_ni.c:228:1: sparse: sparse: symbol '__ia32_compat_sys_shmctl' was not declared. Should it be static? kernel/sys_ni.c:229:1: sparse: sparse: symbol '__ia32_compat_sys_old_shmctl' was not declared. Should it be static? kernel/sys_ni.c:230:1: sparse: sparse: symbol '__ia32_sys_shmat' was not declared. Should it be static? kernel/sys_ni.c:231:1: sparse: sparse: symbol '__ia32_compat_sys_shmat' was not declared. Should it be static? kernel/sys_ni.c:243:1: sparse: sparse: symbol '__ia32_sys_setsockopt' was not declared. Should it be static? kernel/sys_ni.c:244:1: sparse: sparse: symbol '__ia32_compat_sys_setsockopt' was not declared. Should it be static? kernel/sys_ni.c:245:1: sparse: sparse: symbol '__ia32_sys_getsockopt' was not declared. Should it be static? kernel/sys_ni.c:246:1: sparse: sparse: symbol '__ia32_compat_sys_getsockopt' was not declared. Should it be static? kernel/sys_ni.c:249:1: sparse: sparse: symbol '__ia32_sys_recvfrom' was not declared. Should it be static? kernel/sys_ni.c:250:1: sparse: sparse: symbol '__ia32_compat_sys_recvfrom' was not declared. Should it be static? kernel/sys_ni.c:251:1: sparse: sparse: symbol '__ia32_sys_sendmsg' was not declared. Should it be static? kernel/sys_ni.c:252:1: sparse: sparse: symbol '__ia32_compat_sys_sendmsg' was not declared. Should it be static? kernel/sys_ni.c:253:1: sparse: sparse: symbol '__ia32_sys_recvmsg' was not declared. Should it be static? kernel/sys_ni.c:254:1: sparse: sparse: symbol '__ia32_compat_sys_recvmsg' was not declared. Should it be static? kernel/sys_ni.c:264:1: sparse: sparse: symbol '__ia32_sys_keyctl' was not declared. Should it be static? kernel/sys_ni.c:265:1: sparse: sparse: symbol '__ia32_compat_sys_keyctl' was not declared. Should it be static? >> kernel/sys_ni.c:268:1: sparse: sparse: symbol '__x64_sys_landlock_create_ruleset' was not declared. Should it be static? >> kernel/sys_ni.c:268:1: sparse: sparse: symbol '__ia32_sys_landlock_create_ruleset' was not declared. Should it be static? >> kernel/sys_ni.c:269:1: sparse: sparse: symbol '__x64_sys_landlock_add_rule' was not declared. Should it be static? >> kernel/sys_ni.c:269:1: sparse: sparse: symbol '__ia32_sys_landlock_add_rule' was not declared. Should it be static? >> kernel/sys_ni.c:270:1: sparse: sparse: symbol '__x64_sys_landlock_restrict_self' was not declared. Should it be static? >> kernel/sys_ni.c:270:1: sparse: sparse: symbol '__ia32_sys_landlock_restrict_self' was not declared. Should it be static? kernel/sys_ni.c:275:1: sparse: sparse: symbol '__x64_sys_fadvise64_64' was not declared. Should it be static? kernel/sys_ni.c:275:1: sparse: sparse: symbol '__ia32_sys_fadvise64_64' was not declared. Should it be static? kernel/sys_ni.c:276:1: sparse: sparse: symbol '__ia32_compat_sys_fadvise64_64' was not declared. Should it be static? kernel/sys_ni.c:292:1: sparse: sparse: symbol '__ia32_compat_sys_mbind' was not declared. Should it be static? kernel/sys_ni.c:293:1: sparse: sparse: symbol '__ia32_sys_get_mempolicy' was not declared. Should it be static? kernel/sys_ni.c:294:1: sparse: sparse: symbol '__ia32_compat_sys_get_mempolicy' was not declared. Should it be static? kernel/sys_ni.c:296:1: sparse: sparse: symbol '__ia32_compat_sys_set_mempolicy' was not declared. Should it be static? kernel/sys_ni.c:298:1: sparse: sparse: symbol '__ia32_compat_sys_migrate_pages' was not declared. Should it be static? kernel/sys_ni.c:299:1: sparse: sparse: symbol '__ia32_sys_move_pages' was not declared. Should it be static? kernel/sys_ni.c:300:1: sparse: sparse: symbol '__ia32_compat_sys_move_pages' was not declared. Should it be static? kernel/sys_ni.c:304:1: sparse: sparse: symbol '__ia32_sys_recvmmsg' was not declared. Should it be static? kernel/sys_ni.c:305:1: sparse: sparse: symbol '__x64_sys_recvmmsg_time32' was not declared. Should it be static? kernel/sys_ni.c:305:1: sparse: sparse: symbol '__ia32_sys_recvmmsg_time32' was not declared. Should it be static? kernel/sys_ni.c:306:1: sparse: sparse: symbol '__ia32_compat_sys_recvmmsg_time32' was not declared. Should it be static? kernel/sys_ni.c:307:1: sparse: sparse: symbol '__ia32_compat_sys_recvmmsg_time64' was not declared. Should it be static? kernel/sys_ni.c:315:1: sparse: sparse: symbol '__ia32_sys_fanotify_mark' was not declared. Should it be static? kernel/sys_ni.c:319:1: sparse: sparse: symbol '__ia32_sys_open_by_handle_at' was not declared. Should it be static? kernel/sys_ni.c:320:1: sparse: sparse: symbol '__ia32_compat_sys_open_by_handle_at' was not declared. Should it be static? kernel/sys_ni.c:322:1: sparse: sparse: symbol '__ia32_sys_sendmmsg' was not declared. Should it be static? kernel/sys_ni.c:323:1: sparse: sparse: symbol '__ia32_compat_sys_sendmmsg' was not declared. Should it be static? kernel/sys_ni.c:324:1: sparse: sparse: symbol '__ia32_sys_process_vm_readv' was not declared. Should it be static? kernel/sys_ni.c:325:1: sparse: sparse: symbol '__ia32_compat_sys_process_vm_readv' was not declared. Should it be static? kernel/sys_ni.c:326:1: sparse: sparse: symbol '__ia32_sys_process_vm_writev' was not declared. Should it be static? kernel/sys_ni.c:327:1: sparse: sparse: symbol '__ia32_compat_sys_process_vm_writev' was not declared. Should it be static? kernel/sys_ni.c:343:1: sparse: sparse: symbol '__ia32_sys_execveat' was not declared. Should it be static? kernel/sys_ni.c:365:1: sparse: sparse: symbol '__x64_sys_pciconfig_read' was not declared. Should it be static? kernel/sys_ni.c:365:1: sparse: sparse: symbol '__ia32_sys_pciconfig_read' was not declared. Should it be static? kernel/sys_ni.c:366:1: sparse: sparse: symbol '__x64_sys_pciconfig_write' was not declared. Should it be static? kernel/sys_ni.c:366:1: sparse: sparse: symbol '__ia32_sys_pciconfig_write' was not declared. Should it be static? vim +/__x64_sys_landlock_create_ruleset +268 kernel/sys_ni.c 257 258 /* mm/nommu.c, also with MMU */ > 259 COND_SYSCALL(mremap); 260 261 /* security/keys/keyctl.c */ > 262 COND_SYSCALL(add_key); > 263 COND_SYSCALL(request_key); 264 COND_SYSCALL(keyctl); 265 COND_SYSCALL_COMPAT(keyctl); 266 267 /* security/landlock/syscalls.c */ > 268 COND_SYSCALL(landlock_create_ruleset); > 269 COND_SYSCALL(landlock_add_rule); > 270 COND_SYSCALL(landlock_restrict_self); 271 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3534/3534] security/integrity/ima/ima_main.c:645: warning: Function parameter or member 'bprm' not described in 'ima_bprm_creds_for_exec'
by kernel test robot 14 Dec '25

14 Dec '25

Hi Gu, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: cd9eb9b4365b71652b2c2ac58293bea47c9f9302 commit: b89997c5e3ffa58c43c4cb3547eb0c11b75d0634 [3534/3534] IMA support script execution check config: x86_64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20251214/202512140803.11mHUPzh-lkp@…) 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/20251214/202512140803.11mHUPzh-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512140803.11mHUPzh-lkp@intel.com/ All warnings (new ones prefixed by >>): >> security/integrity/ima/ima_main.c:645: warning: Function parameter or member 'bprm' not described in 'ima_bprm_creds_for_exec' vim +645 security/integrity/ima/ima_main.c 640 641 /** 642 * ima_bprm_creds_for_exec - ima support exec check. 643 */ 644 int ima_bprm_creds_for_exec(struct linux_binprm *bprm) > 645 { 646 if (!bprm->is_check) 647 return 0; 648 649 return ima_bprm_check(bprm); 650 } 651 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1942/1942] arch/arm64/kernel/cpu_errata.c:1323:13: warning: no previous prototype for 'spectre_bhb_patch_loop_iter'
by kernel test robot 14 Dec '25

14 Dec '25

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: cb917077efa4fecd975ab17d6aececdd90abe82e [1942/1942] arm64: Mitigate spectre style branch history side channels config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20251214/202512141546.w5VlxAA3-lkp@…) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512141546.w5VlxAA3-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512141546.w5VlxAA3-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/arm64/kernel/cpu_errata.c:335:13: warning: no previous prototype for 'arm64_update_smccc_conduit' [-Wmissing-prototypes] 335 | void __init arm64_update_smccc_conduit(struct alt_instr *alt, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kernel/cpu_errata.c:357:13: warning: no previous prototype for 'arm64_enable_wa2_handling' [-Wmissing-prototypes] 357 | void __init arm64_enable_wa2_handling(struct alt_instr *alt, | ^~~~~~~~~~~~~~~~~~~~~~~~~ >> arch/arm64/kernel/cpu_errata.c:1323:13: warning: no previous prototype for 'spectre_bhb_patch_loop_iter' [-Wmissing-prototypes] 1323 | void __init spectre_bhb_patch_loop_iter(struct alt_instr *alt, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/arm64/include/asm/atomic.h:36, from include/linux/atomic.h:7, from include/asm-generic/bitops/atomic.h:5, from arch/arm64/include/asm/bitops.h:37, from include/linux/bitops.h:19, from include/linux/kernel.h:11, from include/linux/list.h:9, from include/linux/kobject.h:20, from include/linux/device.h:17, from include/linux/node.h:18, from include/linux/cpu.h:17, from arch/arm64/kernel/cpu_errata.c:22: In function '__cmpxchg_case_4', inlined from '__cmpxchg' at arch/arm64/include/asm/cmpxchg.h:140:1, inlined from 'update_mitigation_state' at arch/arm64/kernel/cpu_errata.c:1044:11, inlined from 'spectre_bhb_enable_mitigation' at arch/arm64/kernel/cpu_errata.c:1319:2, inlined from 'spectre_bhb_enable_mitigation' at arch/arm64/kernel/cpu_errata.c:1271:6: >> arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'enum mitigation_state[1]' [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:279:1: note: in expansion of macro '__CMPXCHG_CASE' 279 | __CMPXCHG_CASE(w, , 4, , , , ) | ^~~~~~~~~~~~~~ arch/arm64/kernel/cpu_errata.c: In function 'spectre_bhb_enable_mitigation': arch/arm64/kernel/cpu_errata.c:1058:30: note: object 'spectre_bhb_state' of size 4 1058 | static enum mitigation_state spectre_bhb_state; | ^~~~~~~~~~~~~~~~~ In function '__cmpxchg_case_4', inlined from '__cmpxchg' at arch/arm64/include/asm/cmpxchg.h:140:1, inlined from 'update_mitigation_state' at arch/arm64/kernel/cpu_errata.c:1044:11, inlined from 'spectre_bhb_enable_mitigation' at arch/arm64/kernel/cpu_errata.c:1319:2, inlined from 'spectre_bhb_enable_mitigation' at arch/arm64/kernel/cpu_errata.c:1271:6: >> arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'enum mitigation_state[1]' [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:279:1: note: in expansion of macro '__CMPXCHG_CASE' 279 | __CMPXCHG_CASE(w, , 4, , , , ) | ^~~~~~~~~~~~~~ arch/arm64/kernel/cpu_errata.c: In function 'spectre_bhb_enable_mitigation': arch/arm64/kernel/cpu_errata.c:1058:30: note: object 'spectre_bhb_state' of size 4 1058 | static enum mitigation_state spectre_bhb_state; | ^~~~~~~~~~~~~~~~~ vim +/spectre_bhb_patch_loop_iter +1323 arch/arm64/kernel/cpu_errata.c 1321 1322 /* Patched to correct the immediate */ > 1323 void __init spectre_bhb_patch_loop_iter(struct alt_instr *alt, -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1941/1941] fs/ext4/inode.c:2995:30: warning: unused variable 'sbi'
by kernel test robot 14 Dec '25

14 Dec '25

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: 7b208222f6845875c568d238aeb9db17a1c63d96 [1941/1941] ext4: avoid deadlock in fs reclaim with page writeback config: arm64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20251214/202512140847.r9ez9W5V-lkp@…) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512140847.r9ez9W5V-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512140847.r9ez9W5V-lkp@intel.com/ All warnings (new ones prefixed by >>): fs/ext4/inode.c: In function 'ext4_dax_writepages': >> fs/ext4/inode.c:2995:30: warning: unused variable 'sbi' [-Wunused-variable] 2995 | struct ext4_sb_info *sbi = EXT4_SB(mapping->host->i_sb); | ^~~ vim +/sbi +2995 fs/ext4/inode.c 64769240bd07f4 Alex Tomas 2008-07-11 2988 5f0663bb4a64f5 Dan Williams 2017-12-21 2989 static int ext4_dax_writepages(struct address_space *mapping, 5f0663bb4a64f5 Dan Williams 2017-12-21 2990 struct writeback_control *wbc) 5f0663bb4a64f5 Dan Williams 2017-12-21 2991 { 5f0663bb4a64f5 Dan Williams 2017-12-21 2992 int ret; 5f0663bb4a64f5 Dan Williams 2017-12-21 2993 long nr_to_write = wbc->nr_to_write; 5f0663bb4a64f5 Dan Williams 2017-12-21 2994 struct inode *inode = mapping->host; 5f0663bb4a64f5 Dan Williams 2017-12-21 @2995 struct ext4_sb_info *sbi = EXT4_SB(mapping->host->i_sb); 7b208222f68458 Jan Kara 2024-06-11 2996 int alloc_ctx; 5f0663bb4a64f5 Dan Williams 2017-12-21 2997 5f0663bb4a64f5 Dan Williams 2017-12-21 2998 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) 5f0663bb4a64f5 Dan Williams 2017-12-21 2999 return -EIO; 5f0663bb4a64f5 Dan Williams 2017-12-21 3000 7b208222f68458 Jan Kara 2024-06-11 3001 alloc_ctx = ext4_writepages_down_read(inode->i_sb); 5f0663bb4a64f5 Dan Williams 2017-12-21 3002 trace_ext4_writepages(inode, wbc); 5f0663bb4a64f5 Dan Williams 2017-12-21 3003 5f0663bb4a64f5 Dan Williams 2017-12-21 3004 ret = dax_writeback_mapping_range(mapping, inode->i_sb->s_bdev, wbc); 5f0663bb4a64f5 Dan Williams 2017-12-21 3005 trace_ext4_writepages_result(inode, wbc, ret, 5f0663bb4a64f5 Dan Williams 2017-12-21 3006 nr_to_write - wbc->nr_to_write); 7b208222f68458 Jan Kara 2024-06-11 3007 ext4_writepages_up_read(inode->i_sb, alloc_ctx); 5f0663bb4a64f5 Dan Williams 2017-12-21 3008 return ret; 5f0663bb4a64f5 Dan Williams 2017-12-21 3009 } 5f0663bb4a64f5 Dan Williams 2017-12-21 3010 :::::: The code at line 2995 was first introduced by commit :::::: 5f0663bb4a64f588f0a2dd6d1be68d40f9af0086 ext4, dax: introduce ext4_dax_aops :::::: TO: Dan Williams <dan.j.williams(a)intel.com> :::::: CC: Dan Williams <dan.j.williams(a)intel.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3540/3540] kernel/dma/phytium/pswiotlb-mapping.c:400:30: warning: no previous prototype for function 'pswiotlb_clone_orig_dma_ops'
by kernel test robot 14 Dec '25

14 Dec '25

Hi Jiakun, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: cd9eb9b4365b71652b2c2ac58293bea47c9f9302 commit: b0023ec2484f4561c552979b944b208422ba75ea [3540/3540] dma: pswiotlb: Move pswiotlb dma functions behind dma_map_ops config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20251214/202512141445.om5m8ocb-lkp@…) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512141445.om5m8ocb-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512141445.om5m8ocb-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/dma/phytium/pswiotlb-mapping.c:400:30: warning: no previous prototype for function 'pswiotlb_clone_orig_dma_ops' [-Wmissing-prototypes] 400 | struct pswiotlb_dma_map_ops *pswiotlb_clone_orig_dma_ops(struct device *dev, | ^ kernel/dma/phytium/pswiotlb-mapping.c:400:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 400 | struct pswiotlb_dma_map_ops *pswiotlb_clone_orig_dma_ops(struct device *dev, | ^ | static 1 warning generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for DEBUG_FEATURE_BYPASS Depends on [n]: (FAST_SYSCALL [=y] || FAST_IRQ [=y]) && !LOCKDEP [=y] Selected by [y]: - FAST_SYSCALL [=y] - FAST_IRQ [=y] && ARM_GIC_V3 [=y] WARNING: unmet direct dependencies detected for SECURITY_FEATURE_BYPASS Depends on [n]: !ARM64_MTE [=y] && !KASAN_HW_TAGS [=n] && (FAST_SYSCALL [=y] || FAST_IRQ [=y]) Selected by [y]: - FAST_SYSCALL [=y] - FAST_IRQ [=y] && ARM_GIC_V3 [=y] vim +/pswiotlb_clone_orig_dma_ops +400 kernel/dma/phytium/pswiotlb-mapping.c 373 374 static const struct dma_map_ops pswiotlb_noiommu_dma_ops = { 375 .flags = DMA_F_PCI_P2PDMA_SUPPORTED, 376 .alloc = pswiotlb_dma_alloc_distribute, 377 .free = pswiotlb_dma_free_distribute, 378 .alloc_pages = pswiotlb_dma_common_alloc_pages_distribute, 379 .free_pages = pswiotlb_dma_common_free_pages_distribute, 380 .alloc_noncontiguous = pswiotlb_dma_alloc_noncontiguous_distribute, 381 .free_noncontiguous = pswiotlb_dma_free_noncontiguous_distribute, 382 .mmap = pswiotlb_dma_mmap_distribute, 383 .get_sgtable = pswiotlb_dma_get_sgtable_distribute, 384 .map_page = pswiotlb_dma_map_page_attrs_distribute, 385 .unmap_page = pswiotlb_dma_unmap_page_attrs_distribute, 386 .map_sg = pswiotlb_dma_map_sg_attrs_distribute, 387 .unmap_sg = pswiotlb_dma_unmap_sg_attrs_distribute, 388 .sync_single_for_cpu = pswiotlb_dma_sync_single_for_cpu_distribute, 389 .sync_single_for_device = pswiotlb_dma_sync_single_for_device_distribute, 390 .sync_sg_for_cpu = pswiotlb_dma_sync_sg_for_cpu_distribute, 391 .sync_sg_for_device = pswiotlb_dma_sync_sg_for_device_distribute, 392 .map_resource = pswiotlb_dma_map_resource_distribute, 393 .unmap_resource = NULL, 394 .get_merge_boundary = pswiotlb_dma_get_merge_boundary_distribute, 395 .get_required_mask = pswiotlb_dma_get_required_mask_distribute, 396 .dma_supported = pswiotlb_dma_supported_distribute, 397 .max_mapping_size = pswiotlb_dma_max_mapping_size_distribute, 398 .opt_mapping_size = pswiotlb_dma_opt_mapping_size_distribute, 399 }; > 400 struct pswiotlb_dma_map_ops *pswiotlb_clone_orig_dma_ops(struct device *dev, 401 const struct dma_map_ops *ops) 402 { 403 struct pswiotlb_dma_map_ops *new_dma_ops = kmalloc(sizeof(struct pswiotlb_dma_map_ops), 404 GFP_KERNEL); 405 if (!new_dma_ops) 406 return NULL; 407 408 memcpy(new_dma_ops, ops, sizeof(struct pswiotlb_dma_map_ops)); 409 410 return new_dma_ops; 411 } 412 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1942/1942] drivers/bluetooth/.tmp_btmtkuart.o: warning: objtool: missing symbol for section .init.text
by kernel test robot 14 Dec '25

14 Dec '25

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: 7237c4c9ec92e1a4f6ef1f712bf9105d7b392c6a [1942/1942] Bluetooth: mediatek: Add protocol support for MediaTek serial devices config: x86_64-buildonly-randconfig-004-20251213 (https://download.01.org/0day-ci/archive/20251214/202512141453.S1UQNjLI-lkp@…) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 1335a05ab8bc8339ce24be3a9da89d8c3f4e0571) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512141453.S1UQNjLI-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512141453.S1UQNjLI-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/bluetooth/.tmp_btmtkuart.o: warning: objtool: missing symbol for section .init.text -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:openEuler-1.0-LTS 1942/1942] drivers/iommu/arm-smmu-v3.c:4373:5: warning: no previous prototype for 'arm_smmu_get_dev_user_mpam_en'
by kernel test robot 14 Dec '25

14 Dec '25

Hi Xingang, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: 129938f5dfc8b2d8aaaeda0c565d57076bf5c1cc [1942/1942] iommu/arm-smmu-v3: Add support to enable/disable SMMU user_mpam_en config: arm64-randconfig-002-20251213 (https://download.01.org/0day-ci/archive/20251214/202512141348.7mzFhAqc-lkp@…) compiler: aarch64-linux-gcc (GCC) 11.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512141348.7mzFhAqc-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512141348.7mzFhAqc-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/iommu/arm-smmu-v3.c:4299:5: warning: no previous prototype for 'arm_smmu_set_dev_mpam' [-Wmissing-prototypes] 4299 | int arm_smmu_set_dev_mpam(struct device *dev, int ssid, int partid, int pmg, | ^~~~~~~~~~~~~~~~~~~~~ drivers/iommu/arm-smmu-v3.c:4341:5: warning: no previous prototype for 'arm_smmu_get_dev_mpam' [-Wmissing-prototypes] 4341 | int arm_smmu_get_dev_mpam(struct device *dev, int ssid, int *partid, int *pmg, | ^~~~~~~~~~~~~~~~~~~~~ drivers/iommu/arm-smmu-v3.c:4355:5: warning: no previous prototype for 'arm_smmu_set_dev_user_mpam_en' [-Wmissing-prototypes] 4355 | int arm_smmu_set_dev_user_mpam_en(struct device *dev, int user_mpam_en) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/iommu/arm-smmu-v3.c:4373:5: warning: no previous prototype for 'arm_smmu_get_dev_user_mpam_en' [-Wmissing-prototypes] 4373 | int arm_smmu_get_dev_user_mpam_en(struct device *dev, int *user_mpam_en) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/iommu/arm-smmu-v3.c:4301: warning: Function parameter or member 'dev' not described in 'arm_smmu_set_dev_mpam' drivers/iommu/arm-smmu-v3.c:4301: warning: Function parameter or member 'ssid' not described in 'arm_smmu_set_dev_mpam' drivers/iommu/arm-smmu-v3.c:4301: warning: Function parameter or member 'partid' not described in 'arm_smmu_set_dev_mpam' drivers/iommu/arm-smmu-v3.c:4301: warning: Function parameter or member 'pmg' not described in 'arm_smmu_set_dev_mpam' drivers/iommu/arm-smmu-v3.c:4301: warning: Function parameter or member 's1mpam' not described in 'arm_smmu_set_dev_mpam' drivers/iommu/arm-smmu-v3.c:4343: warning: Function parameter or member 'ssid' not described in 'arm_smmu_get_dev_mpam' drivers/iommu/arm-smmu-v3.c:4343: warning: Function parameter or member 'partid' not described in 'arm_smmu_get_dev_mpam' drivers/iommu/arm-smmu-v3.c:4343: warning: Function parameter or member 'pmg' not described in 'arm_smmu_get_dev_mpam' drivers/iommu/arm-smmu-v3.c:4343: warning: Function parameter or member 's1mpam' not described in 'arm_smmu_get_dev_mpam' drivers/iommu/arm-smmu-v3.c:4356: warning: Function parameter or member 'dev' not described in 'arm_smmu_set_dev_user_mpam_en' drivers/iommu/arm-smmu-v3.c:4356: warning: Function parameter or member 'user_mpam_en' not described in 'arm_smmu_set_dev_user_mpam_en' drivers/iommu/arm-smmu-v3.c:4374: warning: Function parameter or member 'dev' not described in 'arm_smmu_get_dev_user_mpam_en' drivers/iommu/arm-smmu-v3.c:4374: warning: Function parameter or member 'user_mpam_en' not described in 'arm_smmu_get_dev_user_mpam_en' vim +/arm_smmu_get_dev_user_mpam_en +4373 drivers/iommu/arm-smmu-v3.c 4369 4370 /** 4371 * arm_smmu_get_dev_user_mpam_en() - get user_mpam_en from smmu user cfg0 4372 */ > 4373 int arm_smmu_get_dev_user_mpam_en(struct device *dev, int *user_mpam_en) 4374 { 4375 struct arm_smmu_master_data *master = dev->iommu_fwspec->iommu_priv; 4376 struct arm_smmu_device *smmu = master->domain->smmu; 4377 u32 reg, __iomem *cfg = smmu->base + ARM_SMMU_USER_CFG0; 4378 4379 reg = readl_relaxed(cfg); 4380 *user_mpam_en = FIELD_GET(ARM_SMMU_USER_MPAM_EN, reg); 4381 4382 return 0; 4383 } 4384 EXPORT_SYMBOL(arm_smmu_get_dev_user_mpam_en); 4385 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1941/1941] net/netfilter/nf_conntrack_core.c:1017: warning: Function parameter or member 'reply_hash' not described in 'nf_ct_resolve_clash'
by kernel test robot 14 Dec '25

14 Dec '25

Hi Florian, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: cc12c927ac504e99fc176ea49e85226b6aeadcd5 [1941/1941] netfilter: conntrack: allow insertion of clashing entries config: arm64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20251214/202512140639.YUx3bpbN-lkp@…) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512140639.YUx3bpbN-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512140639.YUx3bpbN-lkp@intel.com/ All warnings (new ones prefixed by >>): net/netfilter/nf_conntrack_core.c: In function '__nf_conntrack_alloc': net/netfilter/nf_conntrack_core.c:1497:16: warning: array subscript 0 is outside the bounds of an interior zero-length array 'u8[0]' {aka 'unsigned char[]'} [-Wzero-length-bounds] 1497 | memset(&ct->__nfct_init_offset[0], 0, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from net/netfilter/nf_conntrack_core.c:40: ./include/net/netfilter/nf_conntrack.h:88:12: note: while referencing '__nfct_init_offset' 88 | u8 __nfct_init_offset[0]; | ^~~~~~~~~~~~~~~~~~ >> net/netfilter/nf_conntrack_core.c:1017: warning: Function parameter or member 'reply_hash' not described in 'nf_ct_resolve_clash' >> net/netfilter/nf_conntrack_core.c:1017: warning: Excess function parameter 'hash_reply' description in 'nf_ct_resolve_clash' vim +1017 net/netfilter/nf_conntrack_core.c cc12c927ac504e Florian Westphal 2023-11-02 980 6199b71796bcaa Florian Westphal 2023-11-02 981 /** 6199b71796bcaa Florian Westphal 2023-11-02 982 * nf_ct_resolve_clash - attempt to handle clash without packet drop 6199b71796bcaa Florian Westphal 2023-11-02 983 * 6199b71796bcaa Florian Westphal 2023-11-02 984 * @skb: skb that causes the clash 6199b71796bcaa Florian Westphal 2023-11-02 985 * @h: tuplehash of the clashing entry already in table cc12c927ac504e Florian Westphal 2023-11-02 986 * @hash_reply: hash slot for reply direction 6199b71796bcaa Florian Westphal 2023-11-02 987 * 6199b71796bcaa Florian Westphal 2023-11-02 988 * A conntrack entry can be inserted to the connection tracking table 6199b71796bcaa Florian Westphal 2023-11-02 989 * if there is no existing entry with an identical tuple. 6199b71796bcaa Florian Westphal 2023-11-02 990 * 6199b71796bcaa Florian Westphal 2023-11-02 991 * If there is one, @skb (and the assocated, unconfirmed conntrack) has 6199b71796bcaa Florian Westphal 2023-11-02 992 * to be dropped. In case @skb is retransmitted, next conntrack lookup 6199b71796bcaa Florian Westphal 2023-11-02 993 * will find the already-existing entry. 6199b71796bcaa Florian Westphal 2023-11-02 994 * 6199b71796bcaa Florian Westphal 2023-11-02 995 * The major problem with such packet drop is the extra delay added by 6199b71796bcaa Florian Westphal 2023-11-02 996 * the packet loss -- it will take some time for a retransmit to occur 6199b71796bcaa Florian Westphal 2023-11-02 997 * (or the sender to time out when waiting for a reply). 6199b71796bcaa Florian Westphal 2023-11-02 998 * 6199b71796bcaa Florian Westphal 2023-11-02 999 * This function attempts to handle the situation without packet drop. 6199b71796bcaa Florian Westphal 2023-11-02 1000 * 6199b71796bcaa Florian Westphal 2023-11-02 1001 * If @skb has no NAT transformation or if the colliding entries are 6199b71796bcaa Florian Westphal 2023-11-02 1002 * exactly the same, only the to-be-confirmed conntrack entry is discarded 6199b71796bcaa Florian Westphal 2023-11-02 1003 * and @skb is associated with the conntrack entry already in the table. 6199b71796bcaa Florian Westphal 2023-11-02 1004 * cc12c927ac504e Florian Westphal 2023-11-02 1005 * Failing that, the new, unconfirmed conntrack is still added to the table cc12c927ac504e Florian Westphal 2023-11-02 1006 * provided that the collision only occurs in the ORIGINAL direction. cc12c927ac504e Florian Westphal 2023-11-02 1007 * The new entry will be added after the existing one in the hash list, cc12c927ac504e Florian Westphal 2023-11-02 1008 * so packets in the ORIGINAL direction will continue to match the existing cc12c927ac504e Florian Westphal 2023-11-02 1009 * entry. The new entry will also have a fixed timeout so it expires -- cc12c927ac504e Florian Westphal 2023-11-02 1010 * due to the collision, it will not see bidirectional traffic. cc12c927ac504e Florian Westphal 2023-11-02 1011 * 6199b71796bcaa Florian Westphal 2023-11-02 1012 * Returns NF_DROP if the clash could not be resolved. 6199b71796bcaa Florian Westphal 2023-11-02 1013 */ 115dffa33ea6f5 Florian Westphal 2023-11-02 1014 static __cold noinline int cc12c927ac504e Florian Westphal 2023-11-02 1015 nf_ct_resolve_clash(struct sk_buff *skb, struct nf_conntrack_tuple_hash *h, cc12c927ac504e Florian Westphal 2023-11-02 1016 u32 reply_hash) 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 @1017 { 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1018 /* This is the conntrack entry already in hashes that won race. */ 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1019 struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(h); b3480fe059ac91 Florian Westphal 2017-08-12 1020 const struct nf_conntrack_l4proto *l4proto; 6199b71796bcaa Florian Westphal 2023-11-02 1021 enum ip_conntrack_info ctinfo; 6199b71796bcaa Florian Westphal 2023-11-02 1022 struct nf_conn *loser_ct; 6199b71796bcaa Florian Westphal 2023-11-02 1023 struct net *net; 94ebb264459f97 Florian Westphal 2023-11-02 1024 int ret; 6199b71796bcaa Florian Westphal 2023-11-02 1025 6199b71796bcaa Florian Westphal 2023-11-02 1026 loser_ct = nf_ct_get(skb, &ctinfo); 94ebb264459f97 Florian Westphal 2023-11-02 1027 net = nf_ct_net(loser_ct); 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1028 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1029 l4proto = __nf_ct_l4proto_find(nf_ct_l3num(ct), nf_ct_protonum(ct)); 6199b71796bcaa Florian Westphal 2023-11-02 1030 if (!l4proto->allow_clash) 6199b71796bcaa Florian Westphal 2023-11-02 1031 goto drop; 6199b71796bcaa Florian Westphal 2023-11-02 1032 94ebb264459f97 Florian Westphal 2023-11-02 1033 ret = __nf_ct_resolve_clash(skb, h); 94ebb264459f97 Florian Westphal 2023-11-02 1034 if (ret == NF_ACCEPT) 94ebb264459f97 Florian Westphal 2023-11-02 1035 return ret; 6199b71796bcaa Florian Westphal 2023-11-02 1036 cc12c927ac504e Florian Westphal 2023-11-02 1037 ret = nf_ct_resolve_clash_harder(skb, reply_hash); cc12c927ac504e Florian Westphal 2023-11-02 1038 if (ret == NF_ACCEPT) cc12c927ac504e Florian Westphal 2023-11-02 1039 return ret; cc12c927ac504e Florian Westphal 2023-11-02 1040 6199b71796bcaa Florian Westphal 2023-11-02 1041 drop: 94ebb264459f97 Florian Westphal 2023-11-02 1042 nf_ct_add_to_dying_list(loser_ct); 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1043 NF_CT_STAT_INC(net, drop); 94ebb264459f97 Florian Westphal 2023-11-02 1044 NF_CT_STAT_INC(net, insert_failed); 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1045 return NF_DROP; 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1046 } 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1047 :::::: The code at line 1017 was first introduced by commit :::::: 71d8c47fc653711c41bc3282e5b0e605b3727956 netfilter: conntrack: introduce clash resolution on insertion race :::::: TO: Pablo Neira Ayuso <pablo(a)netfilter.org> :::::: CC: Pablo Neira Ayuso <pablo(a)netfilter.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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