.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:2332:45: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:2332:45: expected restricted __be32 [usertype] daddr ../net/core/filter.c:2332:45: got unsigned int [usertype] ipv4_nh ../net/core/filter.c:3940:29: warning: symbol 'bpf_xdp_get_buff_len_trace_proto' was not declared. Should it be static? ../net/core/filter.c:4672:29: warning: symbol 'bpf_skb_output_proto' was not declared. Should it be static? ../net/core/filter.c:5086:29: warning: symbol 'bpf_xdp_output_proto' was not declared. Should it be static? ../net/core/filter.c:8023:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static? ../net/core/filter.c:11982:17: warning: symbol 'bpf_dynptr_from_skb' was not declared. Should it be static? ../net/core/filter.c:11998:17: warning: symbol 'bpf_dynptr_from_xdp' was not declared. Should it be static? ../net/core/filter.c:12014:17: warning: symbol 'bpf_sock_addr_set_sun_path' was not declared. Should it be static? ../net/core/filter.c:12035:17: warning: symbol 'bpf_sk_assign_tcp_reqsk' was not declared. Should it be static? ../net/core/filter.c:12132:17: warning: symbol 'bpf_sock_ops_enable_tx_tstamp' was not declared. Should it be static? ../net/core/filter.c:12254:17: 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:1991:59: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1991:59: expected restricted __wsum [usertype] diff ../net/core/filter.c:1991:59: got unsigned long long [usertype] to ../net/core/filter.c:1994:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1994:52: expected restricted __be16 [usertype] from ../net/core/filter.c:1994:52: got unsigned long long [usertype] from ../net/core/filter.c:1994:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:1994:58: expected restricted __be16 [usertype] to ../net/core/filter.c:1994:58: 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 __be32 [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 __be32 [usertype] to ../net/core/filter.c:1997:58: got unsigned long long [usertype] to ../net/core/filter.c:2064:35: warning: incorrect type in return expression (different base types) ../net/core/filter.c:2064:35: expected unsigned long long ../net/core/filter.c:2064:35: got restricted __wsum [usertype] csum ../net/core/filter.c:5943:17: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5943:17: expected unsigned int [usertype] spi ../net/core/filter.c:5943:17: got restricted __be32 const [usertype] spi ../net/core/filter.c:5951:33: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5951:33: expected unsigned int [usertype] remote_ipv4 ../net/core/filter.c:5951:33: got restricted __be32 const [usertype] a4 ../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/helpers.c: In function ‘____bpf_snprintf’: ../kernel/bpf/helpers.c:1068:9: warning: function ‘____bpf_snprintf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 1068 | err = bstr_printf(str, str_size, fmt, data.bin_args); | ^~~ ../fs/bpf_fs_kfuncs.c:42:25: warning: symbol 'bpf_get_task_exe_file' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:58:18: warning: symbol 'bpf_put_file' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:82:17: warning: symbol 'bpf_path_d_path' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:130:17: warning: symbol 'bpf_get_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:163:17: warning: symbol 'bpf_get_file_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:289:17: warning: symbol 'bpf_set_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:315:17: warning: symbol 'bpf_remove_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:339:17: warning: symbol 'bpf_cgroup_read_xattr' was not declared. Should it be static? ../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: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:1188:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1273:28: warning: symbol 'bpf_lookup_user_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1322:28: warning: symbol 'bpf_lookup_system_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1346:18: warning: symbol 'bpf_key_put' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1366:17: warning: symbol 'bpf_verify_pkcs7_signature' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3424:18: warning: symbol 'bpf_session_is_return' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3432:19: warning: symbol 'bpf_session_cookie' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3613:17: warning: symbol 'bpf_send_signal_task' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3625:52: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3622:17: warning: symbol 'bpf_probe_read_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3629:17: warning: symbol 'bpf_probe_read_kernel_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3639:56: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3636:17: warning: symbol 'bpf_probe_read_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3643:17: warning: symbol 'bpf_probe_read_kernel_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3653:52: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3650:17: warning: symbol 'bpf_copy_from_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3660:56: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3657:17: warning: symbol 'bpf_copy_from_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3668:52: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3664:17: warning: symbol 'bpf_copy_from_user_task_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3676:56: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3672:17: warning: symbol 'bpf_copy_from_user_task_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:2514:21: warning: dereference of noderef expression ../kernel/trace/bpf_trace.c:2518:66: 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/helpers.c:1198:21: warning: incorrect type in assignment (different address spaces) ../kernel/bpf/helpers.c:1198:21: expected unsigned long long ( *[usertype] callback_fn )( ... ) ../kernel/bpf/helpers.c:1198:21: got void [noderef] __rcu * ../kernel/bpf/helpers.c:1901:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1902:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1903:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1904:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1905:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1906:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1907:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1908:29: warning: symbol 'bpf_perf_event_read_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1909:29: warning: symbol 'bpf_send_signal_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1910:29: warning: symbol 'bpf_send_signal_thread_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1913:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2173:18: warning: symbol 'bpf_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2187:18: warning: symbol 'bpf_percpu_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2218:18: warning: symbol 'bpf_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2226:18: warning: symbol 'bpf_percpu_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2232:18: warning: symbol 'bpf_refcount_acquire_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2277:17: warning: symbol 'bpf_list_push_front_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2287:17: warning: symbol 'bpf_list_push_back_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2320:34: warning: symbol 'bpf_list_pop_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2325:34: warning: symbol 'bpf_list_pop_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2330:34: warning: symbol 'bpf_list_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2340:34: warning: symbol 'bpf_list_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2350:32: warning: symbol 'bpf_rbtree_remove' was not declared. Should it be static? ../kernel/bpf/helpers.c:2406:17: warning: symbol 'bpf_rbtree_add_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2416:32: warning: symbol 'bpf_rbtree_first' was not declared. Should it be static? ../kernel/bpf/helpers.c:2423:32: warning: symbol 'bpf_rbtree_root' was not declared. Should it be static? ../kernel/bpf/helpers.c:2430:32: warning: symbol 'bpf_rbtree_left' was not declared. Should it be static? ../kernel/bpf/helpers.c:2440:32: warning: symbol 'bpf_rbtree_right' was not declared. Should it be static? ../kernel/bpf/helpers.c:2456:32: warning: symbol 'bpf_task_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2467:18: warning: symbol 'bpf_task_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2472:18: warning: symbol 'bpf_task_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2485:27: warning: symbol 'bpf_cgroup_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2497:18: warning: symbol 'bpf_cgroup_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2502:18: warning: symbol 'bpf_cgroup_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2515:27: warning: symbol 'bpf_cgroup_ancestor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2535:27: warning: symbol 'bpf_cgroup_from_id' was not declared. Should it be static? ../kernel/bpf/helpers.c:2555:18: warning: symbol 'bpf_task_under_cgroup' was not declared. Should it be static? ../kernel/bpf/helpers.c:2598:27: warning: symbol 'bpf_task_get_cgroup1' was not declared. Should it be static? ../kernel/bpf/helpers.c:2615:32: warning: symbol 'bpf_task_from_pid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2634:32: warning: symbol 'bpf_task_from_vpid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2675:18: warning: symbol 'bpf_dynptr_slice' was not declared. Should it be static? ../kernel/bpf/helpers.c:2793:17: warning: symbol 'bpf_dynptr_adjust' was not declared. Should it be static? ../kernel/bpf/helpers.c:2812:18: warning: symbol 'bpf_dynptr_is_null' was not declared. Should it be static? ../kernel/bpf/helpers.c:2819:18: warning: symbol 'bpf_dynptr_is_rdonly' was not declared. Should it be static? ../kernel/bpf/helpers.c:2829:19: warning: symbol 'bpf_dynptr_size' was not declared. Should it be static? ../kernel/bpf/helpers.c:2839:17: warning: symbol 'bpf_dynptr_clone' was not declared. Should it be static? ../kernel/bpf/helpers.c:2866:17: warning: symbol 'bpf_dynptr_copy' was not declared. Should it be static? ../kernel/bpf/helpers.c:2910:18: warning: symbol 'bpf_cast_to_kern_ctx' was not declared. Should it be static? ../kernel/bpf/helpers.c:2915:18: warning: symbol 'bpf_rdonly_cast' was not declared. Should it be static? ../kernel/bpf/helpers.c:2920:18: warning: symbol 'bpf_rcu_read_lock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2925:18: warning: symbol 'bpf_rcu_read_unlock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2954:18: warning: symbol 'bpf_throw' was not declared. Should it be static? ../kernel/bpf/helpers.c:2973:17: warning: symbol 'bpf_wq_init' was not declared. Should it be static? ../kernel/bpf/helpers.c:2987:17: warning: symbol 'bpf_wq_start' was not declared. Should it be static? ../kernel/bpf/helpers.c:3004:17: warning: symbol 'bpf_wq_set_callback_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:3018:18: warning: symbol 'bpf_preempt_disable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3023:18: warning: symbol 'bpf_preempt_enable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3082:1: warning: symbol 'bpf_iter_bits_new' was not declared. Should it be static? ../kernel/bpf/helpers.c:3143:17: warning: symbol 'bpf_iter_bits_next' was not declared. Should it be static? ../kernel/bpf/helpers.c:3169:18: warning: symbol 'bpf_iter_bits_destroy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3193:17: warning: symbol 'bpf_copy_from_user_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3238:17: warning: symbol 'bpf_copy_from_user_task_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3268:18: warning: symbol 'bpf_local_irq_save' was not declared. Should it be static? ../kernel/bpf/helpers.c:3273:18: warning: symbol 'bpf_local_irq_restore' was not declared. Should it be static? ../kernel/bpf/helpers.c:3278:18: warning: symbol '__bpf_trap' was not declared. Should it be static? ../kernel/bpf/helpers.c:3303:17: warning: symbol 'bpf_strcmp' was not declared. Should it be static? ../kernel/bpf/helpers.c:3345:17: warning: symbol 'bpf_strnchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3382:17: warning: symbol 'bpf_strchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3399:17: warning: symbol 'bpf_strchrnul' was not declared. Should it be static? ../kernel/bpf/helpers.c:3431:17: warning: symbol 'bpf_strrchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3464:17: warning: symbol 'bpf_strnlen' was not declared. Should it be static? ../kernel/bpf/helpers.c:3494:17: warning: symbol 'bpf_strlen' was not declared. Should it be static? ../kernel/bpf/helpers.c:3512:17: warning: symbol 'bpf_strspn' was not declared. Should it be static? ../kernel/bpf/helpers.c:3556:17: warning: symbol 'bpf_strcspn' was not declared. Should it be static? ../kernel/bpf/helpers.c:3601:17: warning: symbol 'bpf_strnstr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3647:17: warning: symbol 'bpf_strstr' was not declared. Should it be static? ../kernel/bpf/helpers.c:2920:18: 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:354:12: warning: symbol 'btf_vmlinux' was not declared. Should it be static? ../kernel/bpf/verifier.c:22754:38: 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:42:25: warning: symbol 'bpf_get_task_exe_file' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:58:18: warning: symbol 'bpf_put_file' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:82:17: warning: symbol 'bpf_path_d_path' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:130:17: warning: symbol 'bpf_get_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:163:17: warning: symbol 'bpf_get_file_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:289:17: warning: symbol 'bpf_set_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:315:17: warning: symbol 'bpf_remove_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:339:17: warning: symbol 'bpf_cgroup_read_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:1068:9: warning: function ‘____bpf_snprintf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 1068 | err = bstr_printf(str, str_size, fmt, data.bin_args); | ^~~ ../kernel/bpf/helpers.c:1198:21: warning: incorrect type in assignment (different address spaces) ../kernel/bpf/helpers.c:1198:21: expected unsigned long long ( *[usertype] callback_fn )( ... ) ../kernel/bpf/helpers.c:1198:21: got void [noderef] __rcu * ../kernel/bpf/helpers.c:1901:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1902:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1903:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1904:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1905:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1906:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1907:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1908:29: warning: symbol 'bpf_perf_event_read_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1909:29: warning: symbol 'bpf_send_signal_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1910:29: warning: symbol 'bpf_send_signal_thread_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1913:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2173:18: warning: symbol 'bpf_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2187:18: warning: symbol 'bpf_percpu_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2218:18: warning: symbol 'bpf_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2226:18: warning: symbol 'bpf_percpu_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2232:18: warning: symbol 'bpf_refcount_acquire_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2277:17: warning: symbol 'bpf_list_push_front_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2287:17: warning: symbol 'bpf_list_push_back_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2320:34: warning: symbol 'bpf_list_pop_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2325:34: warning: symbol 'bpf_list_pop_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2330:34: warning: symbol 'bpf_list_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2340:34: warning: symbol 'bpf_list_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2350:32: warning: symbol 'bpf_rbtree_remove' was not declared. Should it be static? ../kernel/bpf/helpers.c:2406:17: warning: symbol 'bpf_rbtree_add_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2416:32: warning: symbol 'bpf_rbtree_first' was not declared. Should it be static? ../kernel/bpf/helpers.c:2423:32: warning: symbol 'bpf_rbtree_root' was not declared. Should it be static? ../kernel/bpf/helpers.c:2430:32: warning: symbol 'bpf_rbtree_left' was not declared. Should it be static? ../kernel/bpf/helpers.c:2440:32: warning: symbol 'bpf_rbtree_right' was not declared. Should it be static? ../kernel/bpf/helpers.c:2456:32: warning: symbol 'bpf_task_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2467:18: warning: symbol 'bpf_task_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2472:18: warning: symbol 'bpf_task_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2485:27: warning: symbol 'bpf_cgroup_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2497:18: warning: symbol 'bpf_cgroup_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2502:18: warning: symbol 'bpf_cgroup_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2515:27: warning: symbol 'bpf_cgroup_ancestor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2535:27: warning: symbol 'bpf_cgroup_from_id' was not declared. Should it be static? ../kernel/bpf/helpers.c:2555:18: warning: symbol 'bpf_task_under_cgroup' was not declared. Should it be static? ../kernel/bpf/helpers.c:2598:27: warning: symbol 'bpf_task_get_cgroup1' was not declared. Should it be static? ../kernel/bpf/helpers.c:2615:32: warning: symbol 'bpf_task_from_pid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2634:32: warning: symbol 'bpf_task_from_vpid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2675:18: warning: symbol 'bpf_dynptr_slice' was not declared. Should it be static? ../kernel/bpf/helpers.c:2793:17: warning: symbol 'bpf_dynptr_adjust' was not declared. Should it be static? ../kernel/bpf/helpers.c:2812:18: warning: symbol 'bpf_dynptr_is_null' was not declared. Should it be static? ../kernel/bpf/helpers.c:2819:18: warning: symbol 'bpf_dynptr_is_rdonly' was not declared. Should it be static? ../kernel/bpf/helpers.c:2829:19: warning: symbol 'bpf_dynptr_size' was not declared. Should it be static? ../kernel/bpf/helpers.c:2839:17: warning: symbol 'bpf_dynptr_clone' was not declared. Should it be static? ../kernel/bpf/helpers.c:2866:17: warning: symbol 'bpf_dynptr_copy' was not declared. Should it be static? ../kernel/bpf/helpers.c:2910:18: warning: symbol 'bpf_cast_to_kern_ctx' was not declared. Should it be static? ../kernel/bpf/helpers.c:2915:18: warning: symbol 'bpf_rdonly_cast' was not declared. Should it be static? ../kernel/bpf/helpers.c:2920:18: warning: symbol 'bpf_rcu_read_lock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2925:18: warning: symbol 'bpf_rcu_read_unlock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2954:18: warning: symbol 'bpf_throw' was not declared. Should it be static? ../kernel/bpf/helpers.c:2973:17: warning: symbol 'bpf_wq_init' was not declared. Should it be static? ../kernel/bpf/helpers.c:2987:17: warning: symbol 'bpf_wq_start' was not declared. Should it be static? ../kernel/bpf/helpers.c:3004:17: warning: symbol 'bpf_wq_set_callback_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:3018:18: warning: symbol 'bpf_preempt_disable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3023:18: warning: symbol 'bpf_preempt_enable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3082:1: warning: symbol 'bpf_iter_bits_new' was not declared. Should it be static? ../kernel/bpf/helpers.c:3143:17: warning: symbol 'bpf_iter_bits_next' was not declared. Should it be static? ../kernel/bpf/helpers.c:3169:18: warning: symbol 'bpf_iter_bits_destroy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3193:17: warning: symbol 'bpf_copy_from_user_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3238:17: warning: symbol 'bpf_copy_from_user_task_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3268:18: warning: symbol 'bpf_local_irq_save' was not declared. Should it be static? ../kernel/bpf/helpers.c:3273:18: warning: symbol 'bpf_local_irq_restore' was not declared. Should it be static? ../kernel/bpf/helpers.c:3278:18: warning: symbol '__bpf_trap' was not declared. Should it be static? ../kernel/bpf/helpers.c:3303:17: warning: symbol 'bpf_strcmp' was not declared. Should it be static? ../kernel/bpf/helpers.c:3345:17: warning: symbol 'bpf_strnchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3382:17: warning: symbol 'bpf_strchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3399:17: warning: symbol 'bpf_strchrnul' was not declared. Should it be static? ../kernel/bpf/helpers.c:3431:17: warning: symbol 'bpf_strrchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3464:17: warning: symbol 'bpf_strnlen' was not declared. Should it be static? ../kernel/bpf/helpers.c:3494:17: warning: symbol 'bpf_strlen' was not declared. Should it be static? ../kernel/bpf/helpers.c:3512:17: warning: symbol 'bpf_strspn' was not declared. Should it be static? ../kernel/bpf/helpers.c:3556:17: warning: symbol 'bpf_strcspn' was not declared. Should it be static? ../kernel/bpf/helpers.c:3601:17: warning: symbol 'bpf_strnstr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3647:17: warning: symbol 'bpf_strstr' was not declared. Should it be static? ../kernel/bpf/helpers.c:2920:18: 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:1188:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1273:28: warning: symbol 'bpf_lookup_user_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1322:28: warning: symbol 'bpf_lookup_system_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1346:18: warning: symbol 'bpf_key_put' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1366:17: warning: symbol 'bpf_verify_pkcs7_signature' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3424:18: warning: symbol 'bpf_session_is_return' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3432:19: warning: symbol 'bpf_session_cookie' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3613:17: warning: symbol 'bpf_send_signal_task' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3625:52: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3622:17: warning: symbol 'bpf_probe_read_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3629:17: warning: symbol 'bpf_probe_read_kernel_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3639:56: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3636:17: warning: symbol 'bpf_probe_read_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3643:17: warning: symbol 'bpf_probe_read_kernel_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3653:52: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3650:17: warning: symbol 'bpf_copy_from_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3660:56: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3657:17: warning: symbol 'bpf_copy_from_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3668:52: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3664:17: warning: symbol 'bpf_copy_from_user_task_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3676:56: warning: cast removes address space '__user' of expression ../kernel/trace/bpf_trace.c:3672:17: warning: symbol 'bpf_copy_from_user_task_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:2514:21: warning: dereference of noderef expression ../kernel/trace/bpf_trace.c:2518:66: 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:2332:45: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:2332:45: expected restricted __be32 [usertype] daddr ../net/core/filter.c:2332:45: got unsigned int [usertype] ipv4_nh ../net/core/filter.c:3940:29: warning: symbol 'bpf_xdp_get_buff_len_trace_proto' was not declared. Should it be static? ../net/core/filter.c:4672:29: warning: symbol 'bpf_skb_output_proto' was not declared. Should it be static? ../net/core/filter.c:5086:29: warning: symbol 'bpf_xdp_output_proto' was not declared. Should it be static? ../net/core/filter.c:8023:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static? ../net/core/filter.c:11982:17: warning: symbol 'bpf_dynptr_from_skb' was not declared. Should it be static? ../net/core/filter.c:11998:17: warning: symbol 'bpf_dynptr_from_xdp' was not declared. Should it be static? ../net/core/filter.c:12014:17: warning: symbol 'bpf_sock_addr_set_sun_path' was not declared. Should it be static? ../net/core/filter.c:12035:17: warning: symbol 'bpf_sk_assign_tcp_reqsk' was not declared. Should it be static? ../net/core/filter.c:12132:17: warning: symbol 'bpf_sock_ops_enable_tx_tstamp' was not declared. Should it be static? ../net/core/filter.c:12254:17: 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:1991:59: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1991:59: expected restricted __wsum [usertype] diff ../net/core/filter.c:1991:59: got unsigned long long [usertype] to ../net/core/filter.c:1994:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1994:52: expected restricted __be16 [usertype] from ../net/core/filter.c:1994:52: got unsigned long long [usertype] from ../net/core/filter.c:1994:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:1994:58: expected restricted __be16 [usertype] to ../net/core/filter.c:1994:58: 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 __be32 [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 __be32 [usertype] to ../net/core/filter.c:1997:58: got unsigned long long [usertype] to ../net/core/filter.c:2064:35: warning: incorrect type in return expression (different base types) ../net/core/filter.c:2064:35: expected unsigned long long ../net/core/filter.c:2064:35: got restricted __wsum [usertype] csum ../net/core/filter.c:5943:17: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5943:17: expected unsigned int [usertype] spi ../net/core/filter.c:5943:17: got restricted __be32 const [usertype] spi ../net/core/filter.c:5951:33: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5951:33: expected unsigned int [usertype] remote_ipv4 ../net/core/filter.c:5951:33: got restricted __be32 const [usertype] a4 ../kernel/bpf/verifier.c:354:12: warning: symbol 'btf_vmlinux' was not declared. Should it be static? ../kernel/bpf/verifier.c:22754:38: 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?