.pylintrc: warning: ignored by one of the .gitignore files ../net/core/filter.c:1431:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1431:39: expected struct sock_filter const *filter ../net/core/filter.c:1431:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:1509:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1509:39: expected struct sock_filter const *filter ../net/core/filter.c:1509:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:2331:45: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:2331:45: expected restricted __be32 [usertype] daddr ../net/core/filter.c:2331:45: got unsigned int [usertype] ipv4_nh ../net/core/filter.c:3932:29: warning: symbol 'bpf_xdp_get_buff_len_trace_proto' was not declared. Should it be static? ../net/core/filter.c:4664:29: warning: symbol 'bpf_skb_output_proto' was not declared. Should it be static? ../net/core/filter.c:5078:29: warning: symbol 'bpf_xdp_output_proto' was not declared. Should it be static? ../net/core/filter.c:8015:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static? ../net/core/filter.c:11974:17: warning: symbol 'bpf_dynptr_from_skb' was not declared. Should it be static? ../net/core/filter.c:11990:17: warning: symbol 'bpf_dynptr_from_xdp' was not declared. Should it be static? ../net/core/filter.c:12006:17: warning: symbol 'bpf_sock_addr_set_sun_path' was not declared. Should it be static? ../net/core/filter.c:12027:17: warning: symbol 'bpf_sk_assign_tcp_reqsk' was not declared. Should it be static? ../net/core/filter.c:12124:17: warning: symbol 'bpf_sock_ops_enable_tx_tstamp' was not declared. Should it be static? ../net/core/filter.c:12246:17: warning: symbol 'bpf_sock_destroy' was not declared. Should it be static? ../net/core/filter.c:1939:43: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1939:43: expected restricted __wsum [usertype] diff ../net/core/filter.c:1939:43: got unsigned long long [usertype] to ../net/core/filter.c:1942:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1942:36: expected restricted __be16 [usertype] old ../net/core/filter.c:1942:36: got unsigned long long [usertype] from ../net/core/filter.c:1942:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1942:42: expected restricted __be16 [usertype] new ../net/core/filter.c:1942:42: got unsigned long long [usertype] to ../net/core/filter.c:1945:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1945:36: expected restricted __be32 [usertype] from ../net/core/filter.c:1945:36: got unsigned long long [usertype] from ../net/core/filter.c:1945:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1945:42: expected restricted __be32 [usertype] to ../net/core/filter.c:1945:42: got unsigned long long [usertype] to ../net/core/filter.c:1990:59: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1990:59: expected restricted __wsum [usertype] diff ../net/core/filter.c:1990:59: got unsigned long long [usertype] to ../net/core/filter.c:1993:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1993:52: expected restricted __be16 [usertype] from ../net/core/filter.c:1993:52: got unsigned long long [usertype] from ../net/core/filter.c:1993:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:1993:58: expected restricted __be16 [usertype] to ../net/core/filter.c:1993:58: got unsigned long long [usertype] to ../net/core/filter.c:1996:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1996:52: expected restricted __be32 [usertype] from ../net/core/filter.c:1996:52: got unsigned long long [usertype] from ../net/core/filter.c:1996:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:1996:58: expected restricted __be32 [usertype] to ../net/core/filter.c:1996:58: got unsigned long long [usertype] to ../net/core/filter.c:2063:35: warning: incorrect type in return expression (different base types) ../net/core/filter.c:2063:35: expected unsigned long long ../net/core/filter.c:2063:35: got restricted __wsum [usertype] csum ../net/core/filter.c:5935:17: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5935:17: expected unsigned int [usertype] spi ../net/core/filter.c:5935:17: got restricted __be32 const [usertype] spi ../net/core/filter.c:5943:33: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5943:33: expected unsigned int [usertype] remote_ipv4 ../net/core/filter.c:5943:33: got restricted __be32 const [usertype] a4 ../fs/bpf_fs_kfuncs.c:41:25: warning: symbol 'bpf_get_task_exe_file' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:57:18: warning: symbol 'bpf_put_file' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:81:17: warning: symbol 'bpf_path_d_path' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:129:17: warning: symbol 'bpf_get_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:162:17: warning: symbol 'bpf_get_file_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:288:17: warning: symbol 'bpf_set_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:314:17: warning: symbol 'bpf_remove_dentry_xattr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c: In function ‘____bpf_trace_printk’: ../kernel/trace/bpf_trace.c:378:9: warning: function ‘____bpf_trace_printk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 378 | ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt, data.bin_args); | ^~~ ../kernel/trace/bpf_trace.c: In function ‘____bpf_trace_vprintk’: ../kernel/trace/bpf_trace.c:434:9: warning: function ‘____bpf_trace_vprintk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 434 | ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt, data.bin_args); | ^~~ ../kernel/trace/bpf_trace.c: In function ‘____bpf_seq_printf’: ../kernel/trace/bpf_trace.c:476:9: warning: function ‘____bpf_seq_printf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 476 | seq_bprintf(m, fmt, data.bin_args); | ^~~~~~~~~~~ ../kernel/bpf/verifier.c:1946:13: warning: ‘update_loop_entry’ defined but not used [-Wunused-function] 1946 | static void update_loop_entry(struct bpf_verifier_env *env, | ^~~~~~~~~~~~~~~~~ ../kernel/bpf/verifier.c:1932:35: warning: ‘get_loop_entry’ defined but not used [-Wunused-function] 1932 | static struct bpf_verifier_state *get_loop_entry(struct bpf_verifier_env *env, | ^~~~~~~~~~~~~~ ../kernel/bpf/helpers.c: In function ‘____bpf_snprintf’: ../kernel/bpf/helpers.c:1067:9: warning: function ‘____bpf_snprintf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 1067 | err = bstr_printf(str, str_size, fmt, data.bin_args); | ^~~ ../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:575:29: warning: symbol 'bpf_perf_event_read_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:761:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:772:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:787:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:835:41: warning: incorrect type in assignment (different address spaces) ../kernel/trace/bpf_trace.c:835:41: expected void [noderef] __user *[addressable] [assigned] [usertype] sival_ptr ../kernel/trace/bpf_trace.c:835:41: got void * ../kernel/trace/bpf_trace.c:885:29: warning: symbol 'bpf_send_signal_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:897:29: warning: symbol 'bpf_send_signal_thread_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1191:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1276:28: warning: symbol 'bpf_lookup_user_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1325:28: warning: symbol 'bpf_lookup_system_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1349:18: warning: symbol 'bpf_key_put' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1369:17: warning: symbol 'bpf_verify_pkcs7_signature' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3427:18: warning: symbol 'bpf_session_is_return' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3435:19: warning: symbol 'bpf_session_cookie' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3616:17: warning: symbol 'bpf_send_signal_task' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3628:52: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3625:17: warning: symbol 'bpf_probe_read_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3632:17: warning: symbol 'bpf_probe_read_kernel_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3642:56: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3639:17: warning: symbol 'bpf_probe_read_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3646:17: warning: symbol 'bpf_probe_read_kernel_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3656:52: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3653:17: warning: symbol 'bpf_copy_from_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3663:56: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3660:17: warning: symbol 'bpf_copy_from_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3671:52: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3667:17: warning: symbol 'bpf_copy_from_user_task_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3679:56: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3675:17: warning: symbol 'bpf_copy_from_user_task_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:2517:21: warning: dereference of noderef expression ../kernel/trace/bpf_trace.c:2521:66: 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:871:25: 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:2967:29: 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 ../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/helpers.c:1197:21: warning: incorrect type in assignment (different address spaces) ../kernel/bpf/helpers.c:1197:21: expected unsigned long long ( *[usertype] callback_fn )( ... ) ../kernel/bpf/helpers.c:1197:21: got void [noderef] __rcu * ../kernel/bpf/helpers.c:1900:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1901:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1902:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1903:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1904:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1905:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1906:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1907:29: warning: symbol 'bpf_perf_event_read_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1908:29: warning: symbol 'bpf_send_signal_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1909:29: warning: symbol 'bpf_send_signal_thread_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1912:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2172:18: warning: symbol 'bpf_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2186:18: warning: symbol 'bpf_percpu_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2217:18: warning: symbol 'bpf_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2225:18: warning: symbol 'bpf_percpu_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2231:18: warning: symbol 'bpf_refcount_acquire_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2276:17: warning: symbol 'bpf_list_push_front_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2286:17: warning: symbol 'bpf_list_push_back_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2319:34: warning: symbol 'bpf_list_pop_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2324:34: warning: symbol 'bpf_list_pop_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2329:34: warning: symbol 'bpf_list_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2339:34: warning: symbol 'bpf_list_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2349:32: warning: symbol 'bpf_rbtree_remove' was not declared. Should it be static? ../kernel/bpf/helpers.c:2405:17: warning: symbol 'bpf_rbtree_add_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2415:32: warning: symbol 'bpf_rbtree_first' was not declared. Should it be static? ../kernel/bpf/helpers.c:2422:32: warning: symbol 'bpf_rbtree_root' was not declared. Should it be static? ../kernel/bpf/helpers.c:2429:32: warning: symbol 'bpf_rbtree_left' was not declared. Should it be static? ../kernel/bpf/helpers.c:2439:32: warning: symbol 'bpf_rbtree_right' was not declared. Should it be static? ../kernel/bpf/helpers.c:2455:32: warning: symbol 'bpf_task_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2466:18: warning: symbol 'bpf_task_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2471:18: warning: symbol 'bpf_task_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2484:27: warning: symbol 'bpf_cgroup_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2496:18: warning: symbol 'bpf_cgroup_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2501:18: warning: symbol 'bpf_cgroup_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2514:27: warning: symbol 'bpf_cgroup_ancestor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2534:27: warning: symbol 'bpf_cgroup_from_id' was not declared. Should it be static? ../kernel/bpf/helpers.c:2554:18: warning: symbol 'bpf_task_under_cgroup' was not declared. Should it be static? ../kernel/bpf/helpers.c:2597:27: warning: symbol 'bpf_task_get_cgroup1' was not declared. Should it be static? ../kernel/bpf/helpers.c:2614:32: warning: symbol 'bpf_task_from_pid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2633:32: warning: symbol 'bpf_task_from_vpid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2674:18: warning: symbol 'bpf_dynptr_slice' was not declared. Should it be static? ../kernel/bpf/helpers.c:2792:17: warning: symbol 'bpf_dynptr_adjust' was not declared. Should it be static? ../kernel/bpf/helpers.c:2811:18: warning: symbol 'bpf_dynptr_is_null' was not declared. Should it be static? ../kernel/bpf/helpers.c:2818:18: warning: symbol 'bpf_dynptr_is_rdonly' was not declared. Should it be static? ../kernel/bpf/helpers.c:2828:19: warning: symbol 'bpf_dynptr_size' was not declared. Should it be static? ../kernel/bpf/helpers.c:2838:17: warning: symbol 'bpf_dynptr_clone' was not declared. Should it be static? ../kernel/bpf/helpers.c:2865:17: warning: symbol 'bpf_dynptr_copy' was not declared. Should it be static? ../kernel/bpf/helpers.c:2909:18: warning: symbol 'bpf_cast_to_kern_ctx' was not declared. Should it be static? ../kernel/bpf/helpers.c:2914:18: warning: symbol 'bpf_rdonly_cast' was not declared. Should it be static? ../kernel/bpf/helpers.c:2919:18: warning: symbol 'bpf_rcu_read_lock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2924:18: warning: symbol 'bpf_rcu_read_unlock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2953:18: warning: symbol 'bpf_throw' was not declared. Should it be static? ../kernel/bpf/helpers.c:2972:17: warning: symbol 'bpf_wq_init' was not declared. Should it be static? ../kernel/bpf/helpers.c:2986:17: warning: symbol 'bpf_wq_start' was not declared. Should it be static? ../kernel/bpf/helpers.c:3003:17: warning: symbol 'bpf_wq_set_callback_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:3017:18: warning: symbol 'bpf_preempt_disable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3022:18: warning: symbol 'bpf_preempt_enable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3081:1: warning: symbol 'bpf_iter_bits_new' was not declared. Should it be static? ../kernel/bpf/helpers.c:3142:17: warning: symbol 'bpf_iter_bits_next' was not declared. Should it be static? ../kernel/bpf/helpers.c:3168:18: warning: symbol 'bpf_iter_bits_destroy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3192:17: warning: symbol 'bpf_copy_from_user_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3237:17: warning: symbol 'bpf_copy_from_user_task_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3267:18: warning: symbol 'bpf_local_irq_save' was not declared. Should it be static? ../kernel/bpf/helpers.c:3272:18: warning: symbol 'bpf_local_irq_restore' was not declared. Should it be static? ../kernel/bpf/helpers.c:3277:18: warning: symbol '__bpf_trap' was not declared. Should it be static? ../kernel/bpf/helpers.c:2919:18: 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:871:25: warning: context imbalance in 'bpf_rcu_read_unlock' - unexpected unlock ../kernel/bpf/verifier.c:349:12: warning: symbol 'btf_vmlinux' was not declared. Should it be static? ../kernel/bpf/verifier.c:22833:38: 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/btf.c: note: in included file (through ../include/linux/bpf.h, ../include/linux/bpf_verifier.h): ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../kernel/bpf/bpf_struct_ops.c:582:27: warning: symbol 'bpf_struct_ops_link_lops' was not declared. Should it be static? ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? .pylintrc: warning: ignored by one of the .gitignore files ../fs/bpf_fs_kfuncs.c:41:25: warning: symbol 'bpf_get_task_exe_file' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:57:18: warning: symbol 'bpf_put_file' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:81:17: warning: symbol 'bpf_path_d_path' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:129:17: warning: symbol 'bpf_get_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:162:17: warning: symbol 'bpf_get_file_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:288:17: warning: symbol 'bpf_set_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:314:17: warning: symbol 'bpf_remove_dentry_xattr' was not declared. Should it be static? ../kernel/bpf/bpf_struct_ops.c:582:27: warning: symbol 'bpf_struct_ops_link_lops' was not declared. Should it be static? ../kernel/bpf/helpers.c: In function ‘____bpf_snprintf’: ../kernel/bpf/helpers.c:1067:9: warning: function ‘____bpf_snprintf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 1067 | err = bstr_printf(str, str_size, fmt, data.bin_args); | ^~~ ../kernel/bpf/helpers.c:1197:21: warning: incorrect type in assignment (different address spaces) ../kernel/bpf/helpers.c:1197:21: expected unsigned long long ( *[usertype] callback_fn )( ... ) ../kernel/bpf/helpers.c:1197:21: got void [noderef] __rcu * ../kernel/bpf/helpers.c:1900:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1901:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1902:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1903:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1904:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1905:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1906:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1907:29: warning: symbol 'bpf_perf_event_read_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1908:29: warning: symbol 'bpf_send_signal_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1909:29: warning: symbol 'bpf_send_signal_thread_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1912:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2172:18: warning: symbol 'bpf_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2186:18: warning: symbol 'bpf_percpu_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2217:18: warning: symbol 'bpf_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2225:18: warning: symbol 'bpf_percpu_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2231:18: warning: symbol 'bpf_refcount_acquire_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2276:17: warning: symbol 'bpf_list_push_front_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2286:17: warning: symbol 'bpf_list_push_back_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2319:34: warning: symbol 'bpf_list_pop_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2324:34: warning: symbol 'bpf_list_pop_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2329:34: warning: symbol 'bpf_list_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2339:34: warning: symbol 'bpf_list_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2349:32: warning: symbol 'bpf_rbtree_remove' was not declared. Should it be static? ../kernel/bpf/helpers.c:2405:17: warning: symbol 'bpf_rbtree_add_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2415:32: warning: symbol 'bpf_rbtree_first' was not declared. Should it be static? ../kernel/bpf/helpers.c:2422:32: warning: symbol 'bpf_rbtree_root' was not declared. Should it be static? ../kernel/bpf/helpers.c:2429:32: warning: symbol 'bpf_rbtree_left' was not declared. Should it be static? ../kernel/bpf/helpers.c:2439:32: warning: symbol 'bpf_rbtree_right' was not declared. Should it be static? ../kernel/bpf/helpers.c:2455:32: warning: symbol 'bpf_task_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2466:18: warning: symbol 'bpf_task_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2471:18: warning: symbol 'bpf_task_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2484:27: warning: symbol 'bpf_cgroup_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2496:18: warning: symbol 'bpf_cgroup_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2501:18: warning: symbol 'bpf_cgroup_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2514:27: warning: symbol 'bpf_cgroup_ancestor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2534:27: warning: symbol 'bpf_cgroup_from_id' was not declared. Should it be static? ../kernel/bpf/helpers.c:2554:18: warning: symbol 'bpf_task_under_cgroup' was not declared. Should it be static? ../kernel/bpf/helpers.c:2597:27: warning: symbol 'bpf_task_get_cgroup1' was not declared. Should it be static? ../kernel/bpf/helpers.c:2614:32: warning: symbol 'bpf_task_from_pid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2633:32: warning: symbol 'bpf_task_from_vpid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2674:18: warning: symbol 'bpf_dynptr_slice' was not declared. Should it be static? ../kernel/bpf/helpers.c:2792:17: warning: symbol 'bpf_dynptr_adjust' was not declared. Should it be static? ../kernel/bpf/helpers.c:2811:18: warning: symbol 'bpf_dynptr_is_null' was not declared. Should it be static? ../kernel/bpf/helpers.c:2818:18: warning: symbol 'bpf_dynptr_is_rdonly' was not declared. Should it be static? ../kernel/bpf/helpers.c:2828:19: warning: symbol 'bpf_dynptr_size' was not declared. Should it be static? ../kernel/bpf/helpers.c:2838:17: warning: symbol 'bpf_dynptr_clone' was not declared. Should it be static? ../kernel/bpf/helpers.c:2865:17: warning: symbol 'bpf_dynptr_copy' was not declared. Should it be static? ../kernel/bpf/helpers.c:2909:18: warning: symbol 'bpf_cast_to_kern_ctx' was not declared. Should it be static? ../kernel/bpf/helpers.c:2914:18: warning: symbol 'bpf_rdonly_cast' was not declared. Should it be static? ../kernel/bpf/helpers.c:2919:18: warning: symbol 'bpf_rcu_read_lock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2924:18: warning: symbol 'bpf_rcu_read_unlock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2953:18: warning: symbol 'bpf_throw' was not declared. Should it be static? ../kernel/bpf/helpers.c:2972:17: warning: symbol 'bpf_wq_init' was not declared. Should it be static? ../kernel/bpf/helpers.c:2986:17: warning: symbol 'bpf_wq_start' was not declared. Should it be static? ../kernel/bpf/helpers.c:3003:17: warning: symbol 'bpf_wq_set_callback_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:3017:18: warning: symbol 'bpf_preempt_disable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3022:18: warning: symbol 'bpf_preempt_enable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3081:1: warning: symbol 'bpf_iter_bits_new' was not declared. Should it be static? ../kernel/bpf/helpers.c:3142:17: warning: symbol 'bpf_iter_bits_next' was not declared. Should it be static? ../kernel/bpf/helpers.c:3168:18: warning: symbol 'bpf_iter_bits_destroy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3192:17: warning: symbol 'bpf_copy_from_user_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3237:17: warning: symbol 'bpf_copy_from_user_task_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3267:18: warning: symbol 'bpf_local_irq_save' was not declared. Should it be static? ../kernel/bpf/helpers.c:3272:18: warning: symbol 'bpf_local_irq_restore' was not declared. Should it be static? ../kernel/bpf/helpers.c:3277:18: warning: symbol '__bpf_trap' was not declared. Should it be static? ../kernel/bpf/helpers.c:2919:18: 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:871:25: 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:2967:29: 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 ../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/trace/bpf_trace.c: In function ‘____bpf_trace_printk’: ../kernel/trace/bpf_trace.c:378:9: warning: function ‘____bpf_trace_printk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 378 | ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt, data.bin_args); | ^~~ ../kernel/trace/bpf_trace.c: In function ‘____bpf_trace_vprintk’: ../kernel/trace/bpf_trace.c:434:9: warning: function ‘____bpf_trace_vprintk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 434 | ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt, data.bin_args); | ^~~ ../kernel/trace/bpf_trace.c: In function ‘____bpf_seq_printf’: ../kernel/trace/bpf_trace.c:476:9: warning: function ‘____bpf_seq_printf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 476 | seq_bprintf(m, fmt, data.bin_args); | ^~~~~~~~~~~ ../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:575:29: warning: symbol 'bpf_perf_event_read_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:761:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:772:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:787:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:835:41: warning: incorrect type in assignment (different address spaces) ../kernel/trace/bpf_trace.c:835:41: expected void [noderef] __user *[addressable] [assigned] [usertype] sival_ptr ../kernel/trace/bpf_trace.c:835:41: got void * ../kernel/trace/bpf_trace.c:885:29: warning: symbol 'bpf_send_signal_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:897:29: warning: symbol 'bpf_send_signal_thread_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1191:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1276:28: warning: symbol 'bpf_lookup_user_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1325:28: warning: symbol 'bpf_lookup_system_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1349:18: warning: symbol 'bpf_key_put' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1369:17: warning: symbol 'bpf_verify_pkcs7_signature' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3427:18: warning: symbol 'bpf_session_is_return' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3435:19: warning: symbol 'bpf_session_cookie' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3616:17: warning: symbol 'bpf_send_signal_task' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3628:52: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3625:17: warning: symbol 'bpf_probe_read_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3632:17: warning: symbol 'bpf_probe_read_kernel_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3642:56: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3639:17: warning: symbol 'bpf_probe_read_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3646:17: warning: symbol 'bpf_probe_read_kernel_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3656:52: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3653:17: warning: symbol 'bpf_copy_from_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3663:56: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3660:17: warning: symbol 'bpf_copy_from_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3671:52: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3667:17: warning: symbol 'bpf_copy_from_user_task_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3679:56: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3675:17: warning: symbol 'bpf_copy_from_user_task_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:2517:21: warning: dereference of noderef expression ../kernel/trace/bpf_trace.c:2521:66: 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:871:25: warning: context imbalance in 'uprobe_prog_run' - unexpected unlock ../kernel/bpf/btf.c: note: in included file (through ../include/linux/bpf.h, ../include/linux/bpf_verifier.h): ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../net/core/filter.c:1431:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1431:39: expected struct sock_filter const *filter ../net/core/filter.c:1431:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:1509:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1509:39: expected struct sock_filter const *filter ../net/core/filter.c:1509:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:2331:45: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:2331:45: expected restricted __be32 [usertype] daddr ../net/core/filter.c:2331:45: got unsigned int [usertype] ipv4_nh ../net/core/filter.c:3932:29: warning: symbol 'bpf_xdp_get_buff_len_trace_proto' was not declared. Should it be static? ../net/core/filter.c:4664:29: warning: symbol 'bpf_skb_output_proto' was not declared. Should it be static? ../net/core/filter.c:5078:29: warning: symbol 'bpf_xdp_output_proto' was not declared. Should it be static? ../net/core/filter.c:8015:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static? ../net/core/filter.c:11974:17: warning: symbol 'bpf_dynptr_from_skb' was not declared. Should it be static? ../net/core/filter.c:11990:17: warning: symbol 'bpf_dynptr_from_xdp' was not declared. Should it be static? ../net/core/filter.c:12006:17: warning: symbol 'bpf_sock_addr_set_sun_path' was not declared. Should it be static? ../net/core/filter.c:12027:17: warning: symbol 'bpf_sk_assign_tcp_reqsk' was not declared. Should it be static? ../net/core/filter.c:12124:17: warning: symbol 'bpf_sock_ops_enable_tx_tstamp' was not declared. Should it be static? ../net/core/filter.c:12246:17: warning: symbol 'bpf_sock_destroy' was not declared. Should it be static? ../net/core/filter.c:1939:43: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1939:43: expected restricted __wsum [usertype] diff ../net/core/filter.c:1939:43: got unsigned long long [usertype] to ../net/core/filter.c:1942:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1942:36: expected restricted __be16 [usertype] old ../net/core/filter.c:1942:36: got unsigned long long [usertype] from ../net/core/filter.c:1942:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1942:42: expected restricted __be16 [usertype] new ../net/core/filter.c:1942:42: got unsigned long long [usertype] to ../net/core/filter.c:1945:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1945:36: expected restricted __be32 [usertype] from ../net/core/filter.c:1945:36: got unsigned long long [usertype] from ../net/core/filter.c:1945:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1945:42: expected restricted __be32 [usertype] to ../net/core/filter.c:1945:42: got unsigned long long [usertype] to ../net/core/filter.c:1990:59: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1990:59: expected restricted __wsum [usertype] diff ../net/core/filter.c:1990:59: got unsigned long long [usertype] to ../net/core/filter.c:1993:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1993:52: expected restricted __be16 [usertype] from ../net/core/filter.c:1993:52: got unsigned long long [usertype] from ../net/core/filter.c:1993:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:1993:58: expected restricted __be16 [usertype] to ../net/core/filter.c:1993:58: got unsigned long long [usertype] to ../net/core/filter.c:1996:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1996:52: expected restricted __be32 [usertype] from ../net/core/filter.c:1996:52: got unsigned long long [usertype] from ../net/core/filter.c:1996:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:1996:58: expected restricted __be32 [usertype] to ../net/core/filter.c:1996:58: got unsigned long long [usertype] to ../net/core/filter.c:2063:35: warning: incorrect type in return expression (different base types) ../net/core/filter.c:2063:35: expected unsigned long long ../net/core/filter.c:2063:35: got restricted __wsum [usertype] csum ../net/core/filter.c:5935:17: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5935:17: expected unsigned int [usertype] spi ../net/core/filter.c:5935:17: got restricted __be32 const [usertype] spi ../net/core/filter.c:5943:33: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5943:33: expected unsigned int [usertype] remote_ipv4 ../net/core/filter.c:5943:33: got restricted __be32 const [usertype] a4 ../kernel/bpf/verifier.c:349:12: warning: symbol 'btf_vmlinux' was not declared. Should it be static? ../kernel/bpf/verifier.c:22670:38: 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 ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?