tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files ../net/bpf/test_run.c:521:17: warning: symbol 'bpf_fentry_test1' was not declared. Should it be static? ../net/bpf/test_run.c:527:14: warning: symbol 'bpf_fentry_test2' was not declared. Should it be static? ../net/bpf/test_run.c:532:14: warning: symbol 'bpf_fentry_test3' was not declared. Should it be static? ../net/bpf/test_run.c:537:14: warning: symbol 'bpf_fentry_test4' was not declared. Should it be static? ../net/bpf/test_run.c:542:14: warning: symbol 'bpf_fentry_test5' was not declared. Should it be static? ../net/bpf/test_run.c:547:14: warning: symbol 'bpf_fentry_test6' was not declared. Should it be static? ../net/bpf/test_run.c:556:14: warning: symbol 'bpf_fentry_test7' was not declared. Should it be static? ../net/bpf/test_run.c:562:14: warning: symbol 'bpf_fentry_test8' was not declared. Should it be static? ../net/bpf/test_run.c:567:17: warning: symbol 'bpf_fentry_test9' was not declared. Should it be static? ../net/bpf/test_run.c:572:15: warning: symbol 'bpf_fentry_test_sinfo' was not declared. Should it be static? ../net/bpf/test_run.c:576:17: warning: symbol 'bpf_modify_return_test' was not declared. Should it be static? ../net/bpf/test_run.c:582:17: warning: symbol 'bpf_modify_return_test2' was not declared. Should it be static? ../net/bpf/test_run.c:589:17: warning: symbol 'bpf_modify_return_test_tp' was not declared. Should it be static? ../net/bpf/test_run.c:596:14: warning: symbol 'bpf_fentry_shadow_test' was not declared. Should it be static? ../net/bpf/test_run.c:618:18: warning: symbol 'bpf_kfunc_call_test_release' was not declared. Should it be static? ../net/bpf/test_run.c:623:18: warning: symbol 'bpf_kfunc_call_test_release_dtor' was not declared. Should it be static? ../net/bpf/test_run.c:629:18: warning: symbol 'bpf_kfunc_call_memb_release' was not declared. Should it be static? ../net/bpf/test_run.c:633:18: warning: symbol 'bpf_kfunc_call_memb_release_dtor' was not declared. Should it be static? ../net/core/sock.c:2482:9: warning: context imbalance in 'sk_clone_lock' - wrong count at exit ../net/core/sock.c:2486:6: warning: context imbalance in 'sk_free_unlock_clone' - unexpected unlock ../net/core/sock.c:4113:13: warning: context imbalance in 'proto_seq_start' - wrong count at exit ../net/core/sock.c:4125:13: warning: context imbalance in 'proto_seq_stop' - wrong count at exit ../net/core/filter.c:1423:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1423:39: expected struct sock_filter const *filter ../net/core/filter.c:1423:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:1501:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1501:39: expected struct sock_filter const *filter ../net/core/filter.c:1501:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:2340:45: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:2340:45: expected restricted __be32 [usertype] daddr ../net/core/filter.c:2340:45: got unsigned int [usertype] ipv4_nh ../net/core/filter.c:3917:29: warning: symbol 'bpf_xdp_get_buff_len_trace_proto' was not declared. Should it be static? ../net/core/filter.c:4650:29: warning: symbol 'bpf_skb_output_proto' was not declared. Should it be static? ../net/core/filter.c:5064:29: warning: symbol 'bpf_xdp_output_proto' was not declared. Should it be static? ../net/core/filter.c:7937:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static? ../net/core/filter.c:11903:17: warning: symbol 'bpf_dynptr_from_skb' was not declared. Should it be static? ../net/core/filter.c:11919:17: warning: symbol 'bpf_dynptr_from_xdp' was not declared. Should it be static? ../net/core/filter.c:11935:17: warning: symbol 'bpf_sock_addr_set_sun_path' was not declared. Should it be static? ../net/core/filter.c:11956:17: warning: symbol 'bpf_sk_assign_tcp_reqsk' was not declared. Should it be static? ../net/core/filter.c:12146:17: warning: symbol 'bpf_sock_destroy' was not declared. Should it be static? ../net/core/filter.c:1943:43: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1943:43: expected restricted __wsum [usertype] diff ../net/core/filter.c:1943:43: got unsigned long long [usertype] to ../net/core/filter.c:1946:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1946:36: expected restricted __be16 [usertype] old ../net/core/filter.c:1946:36: got unsigned long long [usertype] from ../net/core/filter.c:1946:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1946:42: expected restricted __be16 [usertype] new ../net/core/filter.c:1946:42: got unsigned long long [usertype] to ../net/core/filter.c:1949:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1949:36: expected restricted __be32 [usertype] from ../net/core/filter.c:1949:36: got unsigned long long [usertype] from ../net/core/filter.c:1949:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1949:42: expected restricted __be32 [usertype] to ../net/core/filter.c:1949:42: got unsigned long long [usertype] to ../net/core/filter.c:1994:59: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1994:59: expected restricted __wsum [usertype] diff ../net/core/filter.c:1994:59: got unsigned long long [usertype] to ../net/core/filter.c:1997:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1997:52: expected restricted __be16 [usertype] from ../net/core/filter.c:1997:52: got unsigned long long [usertype] from ../net/core/filter.c:1997:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:1997:58: expected restricted __be16 [usertype] to ../net/core/filter.c:1997:58: got unsigned long long [usertype] to ../net/core/filter.c:2000:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:2000:52: expected restricted __be32 [usertype] from ../net/core/filter.c:2000:52: got unsigned long long [usertype] from ../net/core/filter.c:2000:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:2000:58: expected restricted __be32 [usertype] to ../net/core/filter.c:2000:58: got unsigned long long [usertype] to ../net/core/filter.c:2050:16: warning: incorrect type in return expression (different base types) ../net/core/filter.c:2050:16: expected unsigned long long ../net/core/filter.c:2050:16: got restricted __wsum [assigned] [usertype] ret ../net/core/filter.c:2072:35: warning: incorrect type in return expression (different base types) ../net/core/filter.c:2072:35: expected unsigned long long ../net/core/filter.c:2072:35: got restricted __wsum [usertype] csum ../net/core/filter.c:5851:17: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5851:17: expected unsigned int [usertype] spi ../net/core/filter.c:5851:17: got restricted __be32 const [usertype] spi ../net/core/filter.c:5859:33: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5859:33: expected unsigned int [usertype] remote_ipv4 ../net/core/filter.c:5859:33: got restricted __be32 const [usertype] a4 ../kernel/trace/bpf_trace.c:190:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:227:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:242:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:277:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:765:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:776:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:791:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:839:41: warning: incorrect type in assignment (different address spaces) ../kernel/trace/bpf_trace.c:839:41: expected void [noderef] __user *[addressable] [assigned] [usertype] sival_ptr ../kernel/trace/bpf_trace.c:839:41: got void * ../kernel/trace/bpf_trace.c:1290:28: warning: symbol 'bpf_lookup_user_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1339:28: warning: symbol 'bpf_lookup_system_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1363:18: warning: symbol 'bpf_key_put' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1383:17: warning: symbol 'bpf_verify_pkcs7_signature' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3488:18: warning: symbol 'bpf_session_is_return' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3496:19: warning: symbol 'bpf_session_cookie' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3537:17: warning: symbol 'bpf_send_signal_task' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:2593:21: warning: dereference of noderef expression ../kernel/trace/bpf_trace.c:2597:66: warning: dereference of noderef expression ../kernel/trace/bpf_trace.c: note: in included file (through ../include/linux/rbtree.h, ../include/linux/mm_types.h, ../include/linux/mmzone.h, ../include/linux/gfp.h, ../include/linux/slab.h): ../include/linux/rcupdate.h:880:25: warning: context imbalance in 'uprobe_prog_run' - unexpected unlock ../kernel/bpf/core.c:243:49: error: arithmetics on pointers to functions ../kernel/bpf/core.c:2891:29: warning: symbol 'bpf_seq_printf_btf_proto' was not declared. Should it be static? ../kernel/bpf/core.c: note: in included file (through ../include/trace/trace_events.h, ../include/trace/define_trace.h, ../include/trace/events/xdp.h, ../include/linux/bpf_trace.h): ../include/trace/events/xdp.h:321:1: warning: Using plain integer as NULL pointer ../include/trace/events/xdp.h:348:1: warning: Using plain integer as NULL pointer ../include/trace/events/xdp.h:382:1: warning: Using plain integer as NULL pointer ../kernel/bpf/core.c: note: in included file (through ../include/linux/rbtree_latch.h, ../include/linux/bpf.h, ../include/linux/filter.h): ../include/linux/rbtree.h:74:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:74:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:74:9: struct rb_node * ../include/linux/rbtree.h:74:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:74:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:74:9: struct rb_node * ../net/core/bpf_sk_storage.c:335:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static? ../net/core/bpf_sk_storage.c:703:38: warning: context imbalance in 'bpf_sk_storage_map_seq_find_next' - different lock contexts for basic block ../net/core/bpf_sk_storage.c:832:9: warning: context imbalance in 'bpf_sk_storage_map_seq_stop' - different lock contexts for basic block ../kernel/bpf/helpers.c:1195:21: warning: incorrect type in assignment (different address spaces) ../kernel/bpf/helpers.c:1195:21: expected unsigned long long ( *[usertype] callback_fn )( ... ) ../kernel/bpf/helpers.c:1195:21: got void [noderef] __rcu * ../kernel/bpf/helpers.c:1883:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1884:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1885:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1886:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1887:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1888:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1889:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2116:18: warning: symbol 'bpf_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2130:18: warning: symbol 'bpf_percpu_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2161:18: warning: symbol 'bpf_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2169:18: warning: symbol 'bpf_percpu_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2175:18: warning: symbol 'bpf_refcount_acquire_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2220:17: warning: symbol 'bpf_list_push_front_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2230:17: warning: symbol 'bpf_list_push_back_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2263:34: warning: symbol 'bpf_list_pop_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2268:34: warning: symbol 'bpf_list_pop_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2273:32: warning: symbol 'bpf_rbtree_remove' was not declared. Should it be static? ../kernel/bpf/helpers.c:2329:17: warning: symbol 'bpf_rbtree_add_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2339:32: warning: symbol 'bpf_rbtree_first' was not declared. Should it be static? ../kernel/bpf/helpers.c:2352:32: warning: symbol 'bpf_task_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2363:18: warning: symbol 'bpf_task_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2368:18: warning: symbol 'bpf_task_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2381:27: warning: symbol 'bpf_cgroup_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2393:18: warning: symbol 'bpf_cgroup_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2398:18: warning: symbol 'bpf_cgroup_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2411:27: warning: symbol 'bpf_cgroup_ancestor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2431:27: warning: symbol 'bpf_cgroup_from_id' was not declared. Should it be static? ../kernel/bpf/helpers.c:2451:18: warning: symbol 'bpf_task_under_cgroup' was not declared. Should it be static? ../kernel/bpf/helpers.c:2494:27: warning: symbol 'bpf_task_get_cgroup1' was not declared. Should it be static? ../kernel/bpf/helpers.c:2511:32: warning: symbol 'bpf_task_from_pid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2530:32: warning: symbol 'bpf_task_from_vpid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2571:18: warning: symbol 'bpf_dynptr_slice' was not declared. Should it be static? ../kernel/bpf/helpers.c:2656:18: warning: symbol 'bpf_dynptr_slice_rdwr' was not declared. Should it be static? ../kernel/bpf/helpers.c:2689:17: warning: symbol 'bpf_dynptr_adjust' was not declared. Should it be static? ../kernel/bpf/helpers.c:2708:18: warning: symbol 'bpf_dynptr_is_null' was not declared. Should it be static? ../kernel/bpf/helpers.c:2715:18: warning: symbol 'bpf_dynptr_is_rdonly' was not declared. Should it be static? ../kernel/bpf/helpers.c:2725:19: warning: symbol 'bpf_dynptr_size' was not declared. Should it be static? ../kernel/bpf/helpers.c:2735:17: warning: symbol 'bpf_dynptr_clone' was not declared. Should it be static? ../kernel/bpf/helpers.c:2751:18: warning: symbol 'bpf_cast_to_kern_ctx' was not declared. Should it be static? ../kernel/bpf/helpers.c:2756:18: warning: symbol 'bpf_rdonly_cast' was not declared. Should it be static? ../kernel/bpf/helpers.c:2761:18: warning: symbol 'bpf_rcu_read_lock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2766:18: warning: symbol 'bpf_rcu_read_unlock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2795:18: warning: symbol 'bpf_throw' was not declared. Should it be static? ../kernel/bpf/helpers.c:2814:17: warning: symbol 'bpf_wq_init' was not declared. Should it be static? ../kernel/bpf/helpers.c:2828:17: warning: symbol 'bpf_wq_start' was not declared. Should it be static? ../kernel/bpf/helpers.c:2845:17: warning: symbol 'bpf_wq_set_callback_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2859:18: warning: symbol 'bpf_preempt_disable' was not declared. Should it be static? ../kernel/bpf/helpers.c:2864:18: warning: symbol 'bpf_preempt_enable' was not declared. Should it be static? ../kernel/bpf/helpers.c:2923:1: warning: symbol 'bpf_iter_bits_new' was not declared. Should it be static? ../kernel/bpf/helpers.c:2984:17: warning: symbol 'bpf_iter_bits_next' was not declared. Should it be static? ../kernel/bpf/helpers.c:3010:18: warning: symbol 'bpf_iter_bits_destroy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3034:17: warning: symbol 'bpf_copy_from_user_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:2761:18: warning: context imbalance in 'bpf_rcu_read_lock' - wrong count at exit ../kernel/bpf/helpers.c: note: in included file (through ../include/linux/workqueue.h, ../include/linux/bpf.h): ../include/linux/rcupdate.h:880:25: warning: context imbalance in 'bpf_rcu_read_unlock' - unexpected unlock ../kernel/bpf/task_iter.c:822:17: warning: symbol 'bpf_iter_task_vma_new' was not declared. Should it be static? ../kernel/bpf/task_iter.c:866:35: warning: symbol 'bpf_iter_task_vma_next' was not declared. Should it be static? ../kernel/bpf/task_iter.c:875:18: warning: symbol 'bpf_iter_task_vma_destroy' was not declared. Should it be static? ../kernel/bpf/task_iter.c:900:17: warning: symbol 'bpf_iter_css_task_new' was not declared. Should it be static? ../kernel/bpf/task_iter.c:925:32: warning: symbol 'bpf_iter_css_task_next' was not declared. Should it be static? ../kernel/bpf/task_iter.c:934:18: warning: symbol 'bpf_iter_css_task_destroy' was not declared. Should it be static? ../kernel/bpf/task_iter.c:969:17: warning: symbol 'bpf_iter_task_new' was not declared. Should it be static? ../kernel/bpf/task_iter.c:1001:32: warning: symbol 'bpf_iter_task_next' was not declared. Should it be static? ../kernel/bpf/task_iter.c:1030:18: warning: symbol 'bpf_iter_task_destroy' was not declared. Should it be static? ../kernel/bpf/verifier.c:346:12: warning: symbol 'btf_vmlinux' was not declared. Should it be static? ../kernel/bpf/verifier.c:21470:38: error: subtraction of functions? Share your drugs ../kernel/bpf/verifier.c: note: in included file (through ../include/linux/bpf.h, ../include/linux/bpf-cgroup.h): ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../kernel/bpf/local_storage.c:91:47: warning: context imbalance in 'cgroup_storage_lookup' - unexpected unlock ../kernel/bpf/hashtab.c:1458:27: warning: context imbalance in 'htab_map_delete_elem' - unexpected unlock ../kernel/bpf/hashtab.c:1495:27: warning: context imbalance in 'htab_lru_map_delete_elem' - unexpected unlock ../kernel/bpf/hashtab.c:1672:27: warning: context imbalance in '__htab_map_lookup_and_delete_elem' - unexpected unlock ../kernel/bpf/hashtab.c: note: in included file (through ../include/linux/workqueue.h, ../include/linux/bpf.h): ../include/linux/rcupdate.h:880:25: warning: context imbalance in '__htab_map_lookup_and_delete_batch' - unexpected unlock ../include/linux/rcupdate.h:880:25: warning: context imbalance in 'bpf_hash_map_seq_find_next' - unexpected unlock ../include/linux/rcupdate.h:880:25: warning: context imbalance in 'bpf_hash_map_seq_stop' - unexpected unlock ../kernel/bpf/cpumask.c:49:32: warning: symbol 'bpf_cpumask_create' was not declared. Should it be static? ../kernel/bpf/cpumask.c:75:32: warning: symbol 'bpf_cpumask_acquire' was not declared. Should it be static? ../kernel/bpf/cpumask.c:89:18: warning: symbol 'bpf_cpumask_release' was not declared. Should it be static? ../kernel/bpf/cpumask.c:99:18: warning: symbol 'bpf_cpumask_release_dtor' was not declared. Should it be static? ../kernel/bpf/cpumask.c:112:17: warning: symbol 'bpf_cpumask_first' was not declared. Should it be static? ../kernel/bpf/cpumask.c:125:17: warning: symbol 'bpf_cpumask_first_zero' was not declared. Should it be static? ../kernel/bpf/cpumask.c:139:17: warning: symbol 'bpf_cpumask_first_and' was not declared. Should it be static? ../kernel/bpf/cpumask.c:150:18: warning: symbol 'bpf_cpumask_set_cpu' was not declared. Should it be static? ../kernel/bpf/cpumask.c:163:18: warning: symbol 'bpf_cpumask_clear_cpu' was not declared. Should it be static? ../kernel/bpf/cpumask.c:180:18: warning: symbol 'bpf_cpumask_test_cpu' was not declared. Should it be static? ../kernel/bpf/cpumask.c:197:18: warning: symbol 'bpf_cpumask_test_and_set_cpu' was not declared. Should it be static? ../kernel/bpf/cpumask.c:215:18: warning: symbol 'bpf_cpumask_test_and_clear_cpu' was not declared. Should it be static? ../kernel/bpf/cpumask.c:227:18: warning: symbol 'bpf_cpumask_setall' was not declared. Should it be static? ../kernel/bpf/cpumask.c:236:18: warning: symbol 'bpf_cpumask_clear' was not declared. Should it be static? ../kernel/bpf/cpumask.c:253:18: warning: symbol 'bpf_cpumask_and' was not declared. Should it be static? ../kernel/bpf/cpumask.c:268:18: warning: symbol 'bpf_cpumask_or' was not declared. Should it be static? ../kernel/bpf/cpumask.c:283:18: warning: symbol 'bpf_cpumask_xor' was not declared. Should it be static? ../kernel/bpf/cpumask.c:301:18: warning: symbol 'bpf_cpumask_equal' was not declared. Should it be static? ../kernel/bpf/cpumask.c:317:18: warning: symbol 'bpf_cpumask_intersects' was not declared. Should it be static? ../kernel/bpf/cpumask.c:333:18: warning: symbol 'bpf_cpumask_subset' was not declared. Should it be static? ../kernel/bpf/cpumask.c:348:18: warning: symbol 'bpf_cpumask_empty' was not declared. Should it be static? ../kernel/bpf/cpumask.c:363:18: warning: symbol 'bpf_cpumask_full' was not declared. Should it be static? ../kernel/bpf/cpumask.c:375:18: warning: symbol 'bpf_cpumask_copy' was not declared. Should it be static? ../kernel/bpf/cpumask.c:390:17: warning: symbol 'bpf_cpumask_any_distribute' was not declared. Should it be static? ../kernel/bpf/cpumask.c:408:17: warning: symbol 'bpf_cpumask_any_and_distribute' was not declared. Should it be static? ../kernel/bpf/cpumask.c:420:17: warning: symbol 'bpf_cpumask_weight' was not declared. Should it be static? ../kernel/bpf/crypto.c:145:35: warning: symbol 'bpf_crypto_ctx_create' was not declared. Should it be static? ../kernel/bpf/crypto.c:242:35: warning: symbol 'bpf_crypto_ctx_acquire' was not declared. Should it be static? ../kernel/bpf/crypto.c:258:18: warning: symbol 'bpf_crypto_ctx_release' was not declared. Should it be static? ../kernel/bpf/crypto.c:313:17: warning: symbol 'bpf_crypto_decrypt' was not declared. Should it be static? ../kernel/bpf/crypto.c:334:17: warning: symbol 'bpf_crypto_encrypt' was not declared. Should it be static? WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files ../net/bpf/test_run.c:521:17: warning: symbol 'bpf_fentry_test1' was not declared. Should it be static? ../net/bpf/test_run.c:527:14: warning: symbol 'bpf_fentry_test2' was not declared. Should it be static? ../net/bpf/test_run.c:532:14: warning: symbol 'bpf_fentry_test3' was not declared. Should it be static? ../net/bpf/test_run.c:537:14: warning: symbol 'bpf_fentry_test4' was not declared. Should it be static? ../net/bpf/test_run.c:542:14: warning: symbol 'bpf_fentry_test5' was not declared. Should it be static? ../net/bpf/test_run.c:547:14: warning: symbol 'bpf_fentry_test6' was not declared. Should it be static? ../net/bpf/test_run.c:556:14: warning: symbol 'bpf_fentry_test7' was not declared. Should it be static? ../net/bpf/test_run.c:562:14: warning: symbol 'bpf_fentry_test8' was not declared. Should it be static? ../net/bpf/test_run.c:567:17: warning: symbol 'bpf_fentry_test9' was not declared. Should it be static? ../net/bpf/test_run.c:572:15: warning: symbol 'bpf_fentry_test_sinfo' was not declared. Should it be static? ../net/bpf/test_run.c:576:17: warning: symbol 'bpf_modify_return_test' was not declared. Should it be static? ../net/bpf/test_run.c:582:17: warning: symbol 'bpf_modify_return_test2' was not declared. Should it be static? ../net/bpf/test_run.c:589:17: warning: symbol 'bpf_modify_return_test_tp' was not declared. Should it be static? ../net/bpf/test_run.c:596:14: warning: symbol 'bpf_fentry_shadow_test' was not declared. Should it be static? ../net/bpf/test_run.c:618:18: warning: symbol 'bpf_kfunc_call_test_release' was not declared. Should it be static? ../net/bpf/test_run.c:623:18: warning: symbol 'bpf_kfunc_call_test_release_dtor' was not declared. Should it be static? ../net/bpf/test_run.c:629:18: warning: symbol 'bpf_kfunc_call_memb_release' was not declared. Should it be static? ../net/bpf/test_run.c:633:18: warning: symbol 'bpf_kfunc_call_memb_release_dtor' was not declared. Should it be static? ../kernel/bpf/cpumask.c:49:32: warning: symbol 'bpf_cpumask_create' was not declared. Should it be static? ../kernel/bpf/cpumask.c:75:32: warning: symbol 'bpf_cpumask_acquire' was not declared. Should it be static? ../kernel/bpf/cpumask.c:89:18: warning: symbol 'bpf_cpumask_release' was not declared. Should it be static? ../kernel/bpf/cpumask.c:99:18: warning: symbol 'bpf_cpumask_release_dtor' was not declared. Should it be static? ../kernel/bpf/cpumask.c:112:17: warning: symbol 'bpf_cpumask_first' was not declared. Should it be static? ../kernel/bpf/cpumask.c:125:17: warning: symbol 'bpf_cpumask_first_zero' was not declared. Should it be static? ../kernel/bpf/cpumask.c:139:17: warning: symbol 'bpf_cpumask_first_and' was not declared. Should it be static? ../kernel/bpf/cpumask.c:150:18: warning: symbol 'bpf_cpumask_set_cpu' was not declared. Should it be static? ../kernel/bpf/cpumask.c:163:18: warning: symbol 'bpf_cpumask_clear_cpu' was not declared. Should it be static? ../kernel/bpf/cpumask.c:180:18: warning: symbol 'bpf_cpumask_test_cpu' was not declared. Should it be static? ../kernel/bpf/cpumask.c:197:18: warning: symbol 'bpf_cpumask_test_and_set_cpu' was not declared. Should it be static? ../kernel/bpf/cpumask.c:215:18: warning: symbol 'bpf_cpumask_test_and_clear_cpu' was not declared. Should it be static? ../kernel/bpf/cpumask.c:227:18: warning: symbol 'bpf_cpumask_setall' was not declared. Should it be static? ../kernel/bpf/cpumask.c:236:18: warning: symbol 'bpf_cpumask_clear' was not declared. Should it be static? ../kernel/bpf/cpumask.c:253:18: warning: symbol 'bpf_cpumask_and' was not declared. Should it be static? ../kernel/bpf/cpumask.c:268:18: warning: symbol 'bpf_cpumask_or' was not declared. Should it be static? ../kernel/bpf/cpumask.c:283:18: warning: symbol 'bpf_cpumask_xor' was not declared. Should it be static? ../kernel/bpf/cpumask.c:301:18: warning: symbol 'bpf_cpumask_equal' was not declared. Should it be static? ../kernel/bpf/cpumask.c:317:18: warning: symbol 'bpf_cpumask_intersects' was not declared. Should it be static? ../kernel/bpf/cpumask.c:333:18: warning: symbol 'bpf_cpumask_subset' was not declared. Should it be static? ../kernel/bpf/cpumask.c:348:18: warning: symbol 'bpf_cpumask_empty' was not declared. Should it be static? ../kernel/bpf/cpumask.c:363:18: warning: symbol 'bpf_cpumask_full' was not declared. Should it be static? ../kernel/bpf/cpumask.c:375:18: warning: symbol 'bpf_cpumask_copy' was not declared. Should it be static? ../kernel/bpf/cpumask.c:390:17: warning: symbol 'bpf_cpumask_any_distribute' was not declared. Should it be static? ../kernel/bpf/cpumask.c:408:17: warning: symbol 'bpf_cpumask_any_and_distribute' was not declared. Should it be static? ../kernel/bpf/cpumask.c:420:17: warning: symbol 'bpf_cpumask_weight' was not declared. Should it be static? ../kernel/bpf/task_iter.c:822:17: warning: symbol 'bpf_iter_task_vma_new' was not declared. Should it be static? ../kernel/bpf/task_iter.c:866:35: warning: symbol 'bpf_iter_task_vma_next' was not declared. Should it be static? ../kernel/bpf/task_iter.c:875:18: warning: symbol 'bpf_iter_task_vma_destroy' was not declared. Should it be static? ../kernel/bpf/task_iter.c:900:17: warning: symbol 'bpf_iter_css_task_new' was not declared. Should it be static? ../kernel/bpf/task_iter.c:925:32: warning: symbol 'bpf_iter_css_task_next' was not declared. Should it be static? ../kernel/bpf/task_iter.c:934:18: warning: symbol 'bpf_iter_css_task_destroy' was not declared. Should it be static? ../kernel/bpf/task_iter.c:969:17: warning: symbol 'bpf_iter_task_new' was not declared. Should it be static? ../kernel/bpf/task_iter.c:1001:32: warning: symbol 'bpf_iter_task_next' was not declared. Should it be static? ../kernel/bpf/task_iter.c:1030:18: warning: symbol 'bpf_iter_task_destroy' was not declared. Should it be static? ../kernel/bpf/crypto.c:145:35: warning: symbol 'bpf_crypto_ctx_create' was not declared. Should it be static? ../kernel/bpf/crypto.c:242:35: warning: symbol 'bpf_crypto_ctx_acquire' was not declared. Should it be static? ../kernel/bpf/crypto.c:258:18: warning: symbol 'bpf_crypto_ctx_release' was not declared. Should it be static? ../kernel/bpf/crypto.c:313:17: warning: symbol 'bpf_crypto_decrypt' was not declared. Should it be static? ../kernel/bpf/crypto.c:334:17: warning: symbol 'bpf_crypto_encrypt' was not declared. Should it be static? ../kernel/bpf/local_storage.c:91:47: warning: context imbalance in 'cgroup_storage_lookup' - unexpected unlock ../net/core/bpf_sk_storage.c:335:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static? ../net/core/bpf_sk_storage.c:703:38: warning: context imbalance in 'bpf_sk_storage_map_seq_find_next' - different lock contexts for basic block ../net/core/bpf_sk_storage.c:832:9: warning: context imbalance in 'bpf_sk_storage_map_seq_stop' - different lock contexts for basic block ../kernel/bpf/helpers.c:1195:21: warning: incorrect type in assignment (different address spaces) ../kernel/bpf/helpers.c:1195:21: expected unsigned long long ( *[usertype] callback_fn )( ... ) ../kernel/bpf/helpers.c:1195:21: got void [noderef] __rcu * ../kernel/bpf/helpers.c:1883:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1884:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1885:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1886:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1887:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1888:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1889:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2116:18: warning: symbol 'bpf_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2130:18: warning: symbol 'bpf_percpu_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2161:18: warning: symbol 'bpf_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2169:18: warning: symbol 'bpf_percpu_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2175:18: warning: symbol 'bpf_refcount_acquire_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2220:17: warning: symbol 'bpf_list_push_front_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2230:17: warning: symbol 'bpf_list_push_back_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2263:34: warning: symbol 'bpf_list_pop_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2268:34: warning: symbol 'bpf_list_pop_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2273:32: warning: symbol 'bpf_rbtree_remove' was not declared. Should it be static? ../kernel/bpf/helpers.c:2329:17: warning: symbol 'bpf_rbtree_add_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2339:32: warning: symbol 'bpf_rbtree_first' was not declared. Should it be static? ../kernel/bpf/helpers.c:2352:32: warning: symbol 'bpf_task_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2363:18: warning: symbol 'bpf_task_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2368:18: warning: symbol 'bpf_task_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2381:27: warning: symbol 'bpf_cgroup_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2393:18: warning: symbol 'bpf_cgroup_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2398:18: warning: symbol 'bpf_cgroup_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2411:27: warning: symbol 'bpf_cgroup_ancestor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2431:27: warning: symbol 'bpf_cgroup_from_id' was not declared. Should it be static? ../kernel/bpf/helpers.c:2451:18: warning: symbol 'bpf_task_under_cgroup' was not declared. Should it be static? ../kernel/bpf/helpers.c:2494:27: warning: symbol 'bpf_task_get_cgroup1' was not declared. Should it be static? ../kernel/bpf/helpers.c:2511:32: warning: symbol 'bpf_task_from_pid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2530:32: warning: symbol 'bpf_task_from_vpid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2571:18: warning: symbol 'bpf_dynptr_slice' was not declared. Should it be static? ../kernel/bpf/helpers.c:2656:18: warning: symbol 'bpf_dynptr_slice_rdwr' was not declared. Should it be static? ../kernel/bpf/helpers.c:2689:17: warning: symbol 'bpf_dynptr_adjust' was not declared. Should it be static? ../kernel/bpf/helpers.c:2708:18: warning: symbol 'bpf_dynptr_is_null' was not declared. Should it be static? ../kernel/bpf/helpers.c:2715:18: warning: symbol 'bpf_dynptr_is_rdonly' was not declared. Should it be static? ../kernel/bpf/helpers.c:2725:19: warning: symbol 'bpf_dynptr_size' was not declared. Should it be static? ../kernel/bpf/helpers.c:2735:17: warning: symbol 'bpf_dynptr_clone' was not declared. Should it be static? ../kernel/bpf/helpers.c:2751:18: warning: symbol 'bpf_cast_to_kern_ctx' was not declared. Should it be static? ../kernel/bpf/helpers.c:2756:18: warning: symbol 'bpf_rdonly_cast' was not declared. Should it be static? ../kernel/bpf/helpers.c:2761:18: warning: symbol 'bpf_rcu_read_lock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2766:18: warning: symbol 'bpf_rcu_read_unlock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2795:18: warning: symbol 'bpf_throw' was not declared. Should it be static? ../kernel/bpf/helpers.c:2814:17: warning: symbol 'bpf_wq_init' was not declared. Should it be static? ../kernel/bpf/helpers.c:2828:17: warning: symbol 'bpf_wq_start' was not declared. Should it be static? ../kernel/bpf/helpers.c:2845:17: warning: symbol 'bpf_wq_set_callback_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2859:18: warning: symbol 'bpf_preempt_disable' was not declared. Should it be static? ../kernel/bpf/helpers.c:2864:18: warning: symbol 'bpf_preempt_enable' was not declared. Should it be static? ../kernel/bpf/helpers.c:2923:1: warning: symbol 'bpf_iter_bits_new' was not declared. Should it be static? ../kernel/bpf/helpers.c:2984:17: warning: symbol 'bpf_iter_bits_next' was not declared. Should it be static? ../kernel/bpf/helpers.c:3010:18: warning: symbol 'bpf_iter_bits_destroy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3034:17: warning: symbol 'bpf_copy_from_user_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:2761:18: warning: context imbalance in 'bpf_rcu_read_lock' - wrong count at exit ../kernel/bpf/helpers.c: note: in included file (through ../include/linux/workqueue.h, ../include/linux/bpf.h): ../include/linux/rcupdate.h:880:25: warning: context imbalance in 'bpf_rcu_read_unlock' - unexpected unlock ../kernel/bpf/core.c:243:49: error: arithmetics on pointers to functions ../kernel/bpf/core.c:2891:29: warning: symbol 'bpf_seq_printf_btf_proto' was not declared. Should it be static? ../kernel/bpf/core.c: note: in included file (through ../include/trace/trace_events.h, ../include/trace/define_trace.h, ../include/trace/events/xdp.h, ../include/linux/bpf_trace.h): ../include/trace/events/xdp.h:321:1: warning: Using plain integer as NULL pointer ../include/trace/events/xdp.h:348:1: warning: Using plain integer as NULL pointer ../include/trace/events/xdp.h:382:1: warning: Using plain integer as NULL pointer ../kernel/bpf/core.c: note: in included file (through ../include/linux/rbtree_latch.h, ../include/linux/bpf.h, ../include/linux/filter.h): ../include/linux/rbtree.h:74:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:74:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:74:9: struct rb_node * ../include/linux/rbtree.h:74:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:74:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:74:9: struct rb_node * ../kernel/bpf/hashtab.c:1458:27: warning: context imbalance in 'htab_map_delete_elem' - unexpected unlock ../kernel/bpf/hashtab.c:1495:27: warning: context imbalance in 'htab_lru_map_delete_elem' - unexpected unlock ../kernel/bpf/hashtab.c:1672:27: warning: context imbalance in '__htab_map_lookup_and_delete_elem' - unexpected unlock ../kernel/bpf/hashtab.c: note: in included file (through ../include/linux/workqueue.h, ../include/linux/bpf.h): ../include/linux/rcupdate.h:880:25: warning: context imbalance in '__htab_map_lookup_and_delete_batch' - unexpected unlock ../include/linux/rcupdate.h:880:25: warning: context imbalance in 'bpf_hash_map_seq_find_next' - unexpected unlock ../include/linux/rcupdate.h:880:25: warning: context imbalance in 'bpf_hash_map_seq_stop' - unexpected unlock ../net/core/sock.c:2482:9: warning: context imbalance in 'sk_clone_lock' - wrong count at exit ../net/core/sock.c:2486:6: warning: context imbalance in 'sk_free_unlock_clone' - unexpected unlock ../net/core/sock.c:4113:13: warning: context imbalance in 'proto_seq_start' - wrong count at exit ../net/core/sock.c:4125:13: warning: context imbalance in 'proto_seq_stop' - wrong count at exit ../kernel/trace/bpf_trace.c:190:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:227:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:242:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:277:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:765:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:776:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:791:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:839:41: warning: incorrect type in assignment (different address spaces) ../kernel/trace/bpf_trace.c:839:41: expected void [noderef] __user *[addressable] [assigned] [usertype] sival_ptr ../kernel/trace/bpf_trace.c:839:41: got void * ../kernel/trace/bpf_trace.c:1290:28: warning: symbol 'bpf_lookup_user_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1339:28: warning: symbol 'bpf_lookup_system_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1363:18: warning: symbol 'bpf_key_put' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1383:17: warning: symbol 'bpf_verify_pkcs7_signature' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3488:18: warning: symbol 'bpf_session_is_return' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3496:19: warning: symbol 'bpf_session_cookie' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3537:17: warning: symbol 'bpf_send_signal_task' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:2593:21: warning: dereference of noderef expression ../kernel/trace/bpf_trace.c:2597:66: warning: dereference of noderef expression ../kernel/trace/bpf_trace.c: note: in included file (through ../include/linux/rbtree.h, ../include/linux/mm_types.h, ../include/linux/mmzone.h, ../include/linux/gfp.h, ../include/linux/slab.h): ../include/linux/rcupdate.h:880:25: warning: context imbalance in 'uprobe_prog_run' - unexpected unlock ../net/core/filter.c:1423:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1423:39: expected struct sock_filter const *filter ../net/core/filter.c:1423:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:1501:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1501:39: expected struct sock_filter const *filter ../net/core/filter.c:1501:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:2340:45: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:2340:45: expected restricted __be32 [usertype] daddr ../net/core/filter.c:2340:45: got unsigned int [usertype] ipv4_nh ../net/core/filter.c:3917:29: warning: symbol 'bpf_xdp_get_buff_len_trace_proto' was not declared. Should it be static? ../net/core/filter.c:4650:29: warning: symbol 'bpf_skb_output_proto' was not declared. Should it be static? ../net/core/filter.c:5064:29: warning: symbol 'bpf_xdp_output_proto' was not declared. Should it be static? ../net/core/filter.c:7937:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static? ../net/core/filter.c:11903:17: warning: symbol 'bpf_dynptr_from_skb' was not declared. Should it be static? ../net/core/filter.c:11919:17: warning: symbol 'bpf_dynptr_from_xdp' was not declared. Should it be static? ../net/core/filter.c:11935:17: warning: symbol 'bpf_sock_addr_set_sun_path' was not declared. Should it be static? ../net/core/filter.c:11956:17: warning: symbol 'bpf_sk_assign_tcp_reqsk' was not declared. Should it be static? ../net/core/filter.c:12146:17: warning: symbol 'bpf_sock_destroy' was not declared. Should it be static? ../net/core/filter.c:1943:43: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1943:43: expected restricted __wsum [usertype] diff ../net/core/filter.c:1943:43: got unsigned long long [usertype] to ../net/core/filter.c:1946:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1946:36: expected restricted __be16 [usertype] old ../net/core/filter.c:1946:36: got unsigned long long [usertype] from ../net/core/filter.c:1946:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1946:42: expected restricted __be16 [usertype] new ../net/core/filter.c:1946:42: got unsigned long long [usertype] to ../net/core/filter.c:1949:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1949:36: expected restricted __be32 [usertype] from ../net/core/filter.c:1949:36: got unsigned long long [usertype] from ../net/core/filter.c:1949:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1949:42: expected restricted __be32 [usertype] to ../net/core/filter.c:1949:42: got unsigned long long [usertype] to ../net/core/filter.c:1994:59: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1994:59: expected restricted __wsum [usertype] diff ../net/core/filter.c:1994:59: got unsigned long long [usertype] to ../net/core/filter.c:1997:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1997:52: expected restricted __be16 [usertype] from ../net/core/filter.c:1997:52: got unsigned long long [usertype] from ../net/core/filter.c:1997:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:1997:58: expected restricted __be16 [usertype] to ../net/core/filter.c:1997:58: got unsigned long long [usertype] to ../net/core/filter.c:2000:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:2000:52: expected restricted __be32 [usertype] from ../net/core/filter.c:2000:52: got unsigned long long [usertype] from ../net/core/filter.c:2000:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:2000:58: expected restricted __be32 [usertype] to ../net/core/filter.c:2000:58: got unsigned long long [usertype] to ../net/core/filter.c:2050:16: warning: incorrect type in return expression (different base types) ../net/core/filter.c:2050:16: expected unsigned long long ../net/core/filter.c:2050:16: got restricted __wsum [assigned] [usertype] ret ../net/core/filter.c:2072:35: warning: incorrect type in return expression (different base types) ../net/core/filter.c:2072:35: expected unsigned long long ../net/core/filter.c:2072:35: got restricted __wsum [usertype] csum ../net/core/filter.c:5851:17: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5851:17: expected unsigned int [usertype] spi ../net/core/filter.c:5851:17: got restricted __be32 const [usertype] spi ../net/core/filter.c:5859:33: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5859:33: expected unsigned int [usertype] remote_ipv4 ../net/core/filter.c:5859:33: got restricted __be32 const [usertype] a4 ../kernel/bpf/verifier.c:346:12: warning: symbol 'btf_vmlinux' was not declared. Should it be static? ../kernel/bpf/verifier.c:21470:38: error: subtraction of functions? Share your drugs ../kernel/bpf/verifier.c: note: in included file (through ../include/linux/bpf.h, ../include/linux/bpf-cgroup.h): ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?