Documentation/.renames.txt: warning: ignored by one of the .gitignore files ../net/core/filter.c:1440:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1440:39: expected struct sock_filter const *filter ../net/core/filter.c:1440:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:1518:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1518:39: expected struct sock_filter const *filter ../net/core/filter.c:1518:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:2342:45: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:2342:45: expected restricted __be32 [usertype] daddr ../net/core/filter.c:2342:45: got unsigned int [usertype] ipv4_nh ../net/core/filter.c:3963:29: warning: symbol 'bpf_xdp_get_buff_len_trace_proto' was not declared. Should it be static? ../net/core/filter.c:4703:29: warning: symbol 'bpf_skb_output_proto' was not declared. Should it be static? ../net/core/filter.c:5117:29: warning: symbol 'bpf_xdp_output_proto' was not declared. Should it be static? ../net/core/filter.c:8130:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static? ../net/core/filter.c:12132:17: warning: symbol 'bpf_dynptr_from_skb' was not declared. Should it be static? ../net/core/filter.c:12162:17: warning: symbol 'bpf_dynptr_from_skb_meta' was not declared. Should it be static? ../net/core/filter.c:12178:17: warning: symbol 'bpf_dynptr_from_xdp' was not declared. Should it be static? ../net/core/filter.c:12194:17: warning: symbol 'bpf_sock_addr_set_sun_path' was not declared. Should it be static? ../net/core/filter.c:12215:17: warning: symbol 'bpf_sk_assign_tcp_reqsk' was not declared. Should it be static? ../net/core/filter.c:12312:17: warning: symbol 'bpf_sock_ops_enable_tx_tstamp' was not declared. Should it be static? ../net/core/filter.c:12362:17: warning: symbol 'bpf_xdp_pull_data' was not declared. Should it be static? ../net/core/filter.c:12538:17: warning: symbol 'bpf_sock_destroy' was not declared. Should it be static? ../net/core/filter.c:1948:43: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1948:43: expected restricted __wsum [usertype] diff ../net/core/filter.c:1948:43: got unsigned long long [usertype] to ../net/core/filter.c:1951:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1951:36: expected restricted __be16 [usertype] old ../net/core/filter.c:1951:36: got unsigned long long [usertype] from ../net/core/filter.c:1951:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1951:42: expected restricted __be16 [usertype] new ../net/core/filter.c:1951:42: got unsigned long long [usertype] to ../net/core/filter.c:1954:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1954:36: expected restricted __be32 [usertype] from ../net/core/filter.c:1954:36: got unsigned long long [usertype] from ../net/core/filter.c:1954:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1954:42: expected restricted __be32 [usertype] to ../net/core/filter.c:1954:42: got unsigned long long [usertype] to ../net/core/filter.c:2000:59: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:2000:59: expected restricted __wsum [usertype] diff ../net/core/filter.c:2000:59: got unsigned long long [usertype] to ../net/core/filter.c:2003:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:2003:52: expected restricted __be16 [usertype] from ../net/core/filter.c:2003:52: got unsigned long long [usertype] from ../net/core/filter.c:2003:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:2003:58: expected restricted __be16 [usertype] to ../net/core/filter.c:2003:58: got unsigned long long [usertype] to ../net/core/filter.c:2006:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:2006:52: expected restricted __be32 [usertype] from ../net/core/filter.c:2006:52: got unsigned long long [usertype] from ../net/core/filter.c:2006:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:2006:58: expected restricted __be32 [usertype] to ../net/core/filter.c:2006:58: got unsigned long long [usertype] to ../net/core/filter.c:2073:35: warning: incorrect type in return expression (different base types) ../net/core/filter.c:2073:35: expected unsigned long long ../net/core/filter.c:2073:35: got restricted __wsum [usertype] csum ../net/core/filter.c:6046:17: warning: incorrect type in assignment (different base types) ../net/core/filter.c:6046:17: expected unsigned int [usertype] spi ../net/core/filter.c:6046:17: got restricted __be32 const [usertype] spi ../net/core/filter.c:6054:33: warning: incorrect type in assignment (different base types) ../net/core/filter.c:6054:33: expected unsigned int [usertype] remote_ipv4 ../net/core/filter.c:6054:33: got restricted __be32 const [usertype] a4 ../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:79:17: warning: symbol 'bpf_path_d_path' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:127:17: warning: symbol 'bpf_get_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:160:17: warning: symbol 'bpf_get_file_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:286:17: warning: symbol 'bpf_set_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:312:17: warning: symbol 'bpf_remove_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:336:17: warning: symbol 'bpf_cgroup_read_xattr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c: In function ‘____bpf_trace_printk’: ../kernel/trace/bpf_trace.c:377:9: warning: function ‘____bpf_trace_printk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 377 | 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:433:9: warning: function ‘____bpf_trace_vprintk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 433 | 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:475:9: warning: function ‘____bpf_seq_printf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 475 | seq_bprintf(m, fmt, data.bin_args); | ^~~~~~~~~~~ ../kernel/bpf/core.c:252:49: error: arithmetics on pointers to functions ../kernel/bpf/core.c:3016:29: 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:304:1: warning: Using plain integer as NULL pointer ../include/trace/events/xdp.h:331:1: 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:102:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:102:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:102:9: struct rb_node * ../include/linux/rbtree.h:102:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:102:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:102:9: struct rb_node * ../kernel/trace/bpf_trace.c:189:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:226:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:241:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:276:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:574:29: warning: symbol 'bpf_perf_event_read_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:760:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:771:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:785:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:883:29: warning: symbol 'bpf_send_signal_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:895:29: warning: symbol 'bpf_send_signal_thread_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1186:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3334:18: warning: symbol 'bpf_session_is_return' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3342:19: warning: symbol 'bpf_session_cookie' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3528:17: warning: symbol 'bpf_send_signal_task' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3537:17: warning: symbol 'bpf_probe_read_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3544:17: warning: symbol 'bpf_probe_read_kernel_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3551:17: warning: symbol 'bpf_probe_read_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3558:17: warning: symbol 'bpf_probe_read_kernel_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3565:17: warning: symbol 'bpf_copy_from_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3572:17: warning: symbol 'bpf_copy_from_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3579:17: warning: symbol 'bpf_copy_from_user_task_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3587:17: warning: symbol 'bpf_copy_from_user_task_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:2344:21: warning: dereference of noderef expression ../kernel/trace/bpf_trace.c:2348:66: 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:897:25: warning: context imbalance in 'uprobe_prog_run' - unexpected unlock ../kernel/bpf/trampoline.c:183:19: warning: symbol 'direct_ops' was not declared. Should it be static? ../kernel/bpf/bpf_struct_ops.c:593:27: warning: symbol 'bpf_struct_ops_link_lops' was not declared. Should it be static? ../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/helpers.c: In function ‘____bpf_snprintf’: ../kernel/bpf/helpers.c:1069:9: warning: function ‘____bpf_snprintf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 1069 | err = bstr_printf(str, str_size, fmt, data.bin_args); | ^~~ ../kernel/bpf/helpers.c:1212:21: warning: incorrect type in assignment (different address spaces) ../kernel/bpf/helpers.c:1212:21: expected unsigned long long ( *[usertype] callback_fn )( ... ) ../kernel/bpf/helpers.c:1212:21: got void [noderef] __rcu * ../kernel/bpf/helpers.c:2005:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2006:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2007:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2008:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2009:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2010:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2011:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2012:29: warning: symbol 'bpf_perf_event_read_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2013:29: warning: symbol 'bpf_send_signal_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2014:29: warning: symbol 'bpf_send_signal_thread_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2017:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2277:18: warning: symbol 'bpf_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2291:18: warning: symbol 'bpf_percpu_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2322:18: warning: symbol 'bpf_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2330:18: warning: symbol 'bpf_percpu_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2336:18: warning: symbol 'bpf_refcount_acquire_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2381:17: warning: symbol 'bpf_list_push_front_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2391:17: warning: symbol 'bpf_list_push_back_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2424:34: warning: symbol 'bpf_list_pop_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2429:34: warning: symbol 'bpf_list_pop_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2434:34: warning: symbol 'bpf_list_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2444:34: warning: symbol 'bpf_list_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2454:32: warning: symbol 'bpf_rbtree_remove' was not declared. Should it be static? ../kernel/bpf/helpers.c:2510:17: warning: symbol 'bpf_rbtree_add_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2520:32: warning: symbol 'bpf_rbtree_first' was not declared. Should it be static? ../kernel/bpf/helpers.c:2527:32: warning: symbol 'bpf_rbtree_root' was not declared. Should it be static? ../kernel/bpf/helpers.c:2534:32: warning: symbol 'bpf_rbtree_left' was not declared. Should it be static? ../kernel/bpf/helpers.c:2544:32: warning: symbol 'bpf_rbtree_right' was not declared. Should it be static? ../kernel/bpf/helpers.c:2560:32: warning: symbol 'bpf_task_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2571:18: warning: symbol 'bpf_task_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2576:18: warning: symbol 'bpf_task_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2589:27: warning: symbol 'bpf_cgroup_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2601:18: warning: symbol 'bpf_cgroup_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2606:18: warning: symbol 'bpf_cgroup_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2619:27: warning: symbol 'bpf_cgroup_ancestor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2639:27: warning: symbol 'bpf_cgroup_from_id' was not declared. Should it be static? ../kernel/bpf/helpers.c:2659:18: warning: symbol 'bpf_task_under_cgroup' was not declared. Should it be static? ../kernel/bpf/helpers.c:2702:27: warning: symbol 'bpf_task_get_cgroup1' was not declared. Should it be static? ../kernel/bpf/helpers.c:2719:32: warning: symbol 'bpf_task_from_pid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2738:32: warning: symbol 'bpf_task_from_vpid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2779:18: warning: symbol 'bpf_dynptr_slice' was not declared. Should it be static? ../kernel/bpf/helpers.c:2902:17: warning: symbol 'bpf_dynptr_adjust' was not declared. Should it be static? ../kernel/bpf/helpers.c:2921:18: warning: symbol 'bpf_dynptr_is_null' was not declared. Should it be static? ../kernel/bpf/helpers.c:2928:18: warning: symbol 'bpf_dynptr_is_rdonly' was not declared. Should it be static? ../kernel/bpf/helpers.c:2938:17: warning: symbol 'bpf_dynptr_size' was not declared. Should it be static? ../kernel/bpf/helpers.c:2948:17: warning: symbol 'bpf_dynptr_clone' was not declared. Should it be static? ../kernel/bpf/helpers.c:2975:17: warning: symbol 'bpf_dynptr_copy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3030:17: warning: symbol 'bpf_dynptr_memset' was not declared. Should it be static? ../kernel/bpf/helpers.c:3065:18: warning: symbol 'bpf_cast_to_kern_ctx' was not declared. Should it be static? ../kernel/bpf/helpers.c:3070:18: warning: symbol 'bpf_rdonly_cast' was not declared. Should it be static? ../kernel/bpf/helpers.c:3075:18: warning: symbol 'bpf_rcu_read_lock' was not declared. Should it be static? ../kernel/bpf/helpers.c:3080:18: warning: symbol 'bpf_rcu_read_unlock' was not declared. Should it be static? ../kernel/bpf/helpers.c:3116:18: warning: symbol 'bpf_throw' was not declared. Should it be static? ../kernel/bpf/helpers.c:3135:17: warning: symbol 'bpf_wq_init' was not declared. Should it be static? ../kernel/bpf/helpers.c:3149:17: warning: symbol 'bpf_wq_start' was not declared. Should it be static? ../kernel/bpf/helpers.c:3173:17: warning: symbol 'bpf_wq_set_callback' was not declared. Should it be static? ../kernel/bpf/helpers.c:3186:18: warning: symbol 'bpf_preempt_disable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3191:18: warning: symbol 'bpf_preempt_enable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3250:1: warning: symbol 'bpf_iter_bits_new' was not declared. Should it be static? ../kernel/bpf/helpers.c:3311:17: warning: symbol 'bpf_iter_bits_next' was not declared. Should it be static? ../kernel/bpf/helpers.c:3337:18: warning: symbol 'bpf_iter_bits_destroy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3361:17: warning: symbol 'bpf_copy_from_user_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3406:17: warning: symbol 'bpf_copy_from_user_task_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3436:18: warning: symbol 'bpf_local_irq_save' was not declared. Should it be static? ../kernel/bpf/helpers.c:3441:18: warning: symbol 'bpf_local_irq_restore' was not declared. Should it be static? ../kernel/bpf/helpers.c:3446:18: warning: symbol '__bpf_trap' was not declared. Should it be static? ../kernel/bpf/helpers.c:3501:17: warning: symbol 'bpf_strcmp' was not declared. Should it be static? ../kernel/bpf/helpers.c:3519:17: warning: symbol 'bpf_strcasecmp' was not declared. Should it be static? ../kernel/bpf/helpers.c:3538:17: warning: symbol 'bpf_strncasecmp' was not declared. Should it be static? ../kernel/bpf/helpers.c:3559:17: warning: symbol 'bpf_strnchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3596:17: warning: symbol 'bpf_strchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3613:17: warning: symbol 'bpf_strchrnul' was not declared. Should it be static? ../kernel/bpf/helpers.c:3645:17: warning: symbol 'bpf_strrchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3678:17: warning: symbol 'bpf_strnlen' was not declared. Should it be static? ../kernel/bpf/helpers.c:3708:17: warning: symbol 'bpf_strlen' was not declared. Should it be static? ../kernel/bpf/helpers.c:3726:17: warning: symbol 'bpf_strspn' was not declared. Should it be static? ../kernel/bpf/helpers.c:3770:17: warning: symbol 'bpf_strcspn' was not declared. Should it be static? ../kernel/bpf/helpers.c:3861:17: warning: symbol 'bpf_strstr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3880:17: warning: symbol 'bpf_strcasestr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3899:17: warning: symbol 'bpf_strnstr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3920:17: warning: symbol 'bpf_strncasestr' was not declared. Should it be static? ../kernel/bpf/helpers.c:4356:17: warning: symbol 'bpf_task_work_schedule_signal' was not declared. Should it be static? ../kernel/bpf/helpers.c:4374:17: warning: symbol 'bpf_task_work_schedule_resume' was not declared. Should it be static? ../kernel/bpf/helpers.c:4405:17: warning: symbol 'bpf_dynptr_from_file' was not declared. Should it be static? ../kernel/bpf/helpers.c:4415:17: warning: symbol 'bpf_dynptr_file_discard' was not declared. Should it be static? ../kernel/bpf/helpers.c:4444:17: warning: symbol 'bpf_timer_cancel_async' was not declared. Should it be static? ../kernel/bpf/helpers.c:3075:18: 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:897:25: warning: context imbalance in 'bpf_rcu_read_unlock' - unexpected unlock ../kernel/kheaders.c:51:1: error: bad constant expression ../kernel/kheaders.c:52:1: error: bad constant expression ../kernel/kheaders.c:53:1: error: bad constant expression ../kernel/bpf/verifier.c:362:12: warning: symbol 'btf_vmlinux' was not declared. Should it be static? ../kernel/bpf/verifier.c:24106:38: 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? Documentation/.renames.txt: warning: ignored by one of the .gitignore files ../net/core/filter.c:1440:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1440:39: expected struct sock_filter const *filter ../net/core/filter.c:1440:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:1518:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1518:39: expected struct sock_filter const *filter ../net/core/filter.c:1518:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:2342:45: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:2342:45: expected restricted __be32 [usertype] daddr ../net/core/filter.c:2342:45: got unsigned int [usertype] ipv4_nh ../net/core/filter.c:3963:29: warning: symbol 'bpf_xdp_get_buff_len_trace_proto' was not declared. Should it be static? ../net/core/filter.c:4703:29: warning: symbol 'bpf_skb_output_proto' was not declared. Should it be static? ../net/core/filter.c:5117:29: warning: symbol 'bpf_xdp_output_proto' was not declared. Should it be static? ../net/core/filter.c:8130:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static? ../net/core/filter.c:12132:17: warning: symbol 'bpf_dynptr_from_skb' was not declared. Should it be static? ../net/core/filter.c:12162:17: warning: symbol 'bpf_dynptr_from_skb_meta' was not declared. Should it be static? ../net/core/filter.c:12178:17: warning: symbol 'bpf_dynptr_from_xdp' was not declared. Should it be static? ../net/core/filter.c:12194:17: warning: symbol 'bpf_sock_addr_set_sun_path' was not declared. Should it be static? ../net/core/filter.c:12215:17: warning: symbol 'bpf_sk_assign_tcp_reqsk' was not declared. Should it be static? ../net/core/filter.c:12312:17: warning: symbol 'bpf_sock_ops_enable_tx_tstamp' was not declared. Should it be static? ../net/core/filter.c:12362:17: warning: symbol 'bpf_xdp_pull_data' was not declared. Should it be static? ../net/core/filter.c:12538:17: warning: symbol 'bpf_sock_destroy' was not declared. Should it be static? ../net/core/filter.c:1948:43: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1948:43: expected restricted __wsum [usertype] diff ../net/core/filter.c:1948:43: got unsigned long long [usertype] to ../net/core/filter.c:1951:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1951:36: expected restricted __be16 [usertype] old ../net/core/filter.c:1951:36: got unsigned long long [usertype] from ../net/core/filter.c:1951:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1951:42: expected restricted __be16 [usertype] new ../net/core/filter.c:1951:42: got unsigned long long [usertype] to ../net/core/filter.c:1954:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1954:36: expected restricted __be32 [usertype] from ../net/core/filter.c:1954:36: got unsigned long long [usertype] from ../net/core/filter.c:1954:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1954:42: expected restricted __be32 [usertype] to ../net/core/filter.c:1954:42: got unsigned long long [usertype] to ../net/core/filter.c:2000:59: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:2000:59: expected restricted __wsum [usertype] diff ../net/core/filter.c:2000:59: got unsigned long long [usertype] to ../net/core/filter.c:2003:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:2003:52: expected restricted __be16 [usertype] from ../net/core/filter.c:2003:52: got unsigned long long [usertype] from ../net/core/filter.c:2003:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:2003:58: expected restricted __be16 [usertype] to ../net/core/filter.c:2003:58: got unsigned long long [usertype] to ../net/core/filter.c:2006:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:2006:52: expected restricted __be32 [usertype] from ../net/core/filter.c:2006:52: got unsigned long long [usertype] from ../net/core/filter.c:2006:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:2006:58: expected restricted __be32 [usertype] to ../net/core/filter.c:2006:58: got unsigned long long [usertype] to ../net/core/filter.c:2073:35: warning: incorrect type in return expression (different base types) ../net/core/filter.c:2073:35: expected unsigned long long ../net/core/filter.c:2073:35: got restricted __wsum [usertype] csum ../net/core/filter.c:6046:17: warning: incorrect type in assignment (different base types) ../net/core/filter.c:6046:17: expected unsigned int [usertype] spi ../net/core/filter.c:6046:17: got restricted __be32 const [usertype] spi ../net/core/filter.c:6054:33: warning: incorrect type in assignment (different base types) ../net/core/filter.c:6054:33: expected unsigned int [usertype] remote_ipv4 ../net/core/filter.c:6054:33: got restricted __be32 const [usertype] a4 ../kernel/trace/bpf_trace.c: In function ‘____bpf_trace_printk’: ../kernel/trace/bpf_trace.c:377:9: warning: function ‘____bpf_trace_printk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 377 | 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:433:9: warning: function ‘____bpf_trace_vprintk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 433 | 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:475:9: warning: function ‘____bpf_seq_printf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 475 | seq_bprintf(m, 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:79:17: warning: symbol 'bpf_path_d_path' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:127:17: warning: symbol 'bpf_get_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:160:17: warning: symbol 'bpf_get_file_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:286:17: warning: symbol 'bpf_set_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:312:17: warning: symbol 'bpf_remove_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:336:17: warning: symbol 'bpf_cgroup_read_xattr' was not declared. Should it be static? ../kernel/bpf/helpers.c: In function ‘____bpf_snprintf’: ../kernel/bpf/helpers.c:1069:9: warning: function ‘____bpf_snprintf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 1069 | err = bstr_printf(str, str_size, fmt, data.bin_args); | ^~~ ../kernel/bpf/core.c:252:49: error: arithmetics on pointers to functions ../kernel/bpf/core.c:3016:29: 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:304:1: warning: Using plain integer as NULL pointer ../include/trace/events/xdp.h:331:1: 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:102:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:102:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:102:9: struct rb_node * ../include/linux/rbtree.h:102:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:102:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:102:9: struct rb_node * ../kernel/trace/bpf_trace.c:189:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:226:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:241:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:276:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:574:29: warning: symbol 'bpf_perf_event_read_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:760:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:771:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:785:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:883:29: warning: symbol 'bpf_send_signal_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:895:29: warning: symbol 'bpf_send_signal_thread_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1186:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3334:18: warning: symbol 'bpf_session_is_return' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3342:19: warning: symbol 'bpf_session_cookie' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3528:17: warning: symbol 'bpf_send_signal_task' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3537:17: warning: symbol 'bpf_probe_read_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3544:17: warning: symbol 'bpf_probe_read_kernel_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3551:17: warning: symbol 'bpf_probe_read_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3558:17: warning: symbol 'bpf_probe_read_kernel_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3565:17: warning: symbol 'bpf_copy_from_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3572:17: warning: symbol 'bpf_copy_from_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3579:17: warning: symbol 'bpf_copy_from_user_task_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3587:17: warning: symbol 'bpf_copy_from_user_task_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:2344:21: warning: dereference of noderef expression ../kernel/trace/bpf_trace.c:2348:66: 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:897:25: warning: context imbalance in 'uprobe_prog_run' - unexpected unlock ../kernel/bpf/helpers.c:1212:21: warning: incorrect type in assignment (different address spaces) ../kernel/bpf/helpers.c:1212:21: expected unsigned long long ( *[usertype] callback_fn )( ... ) ../kernel/bpf/helpers.c:1212:21: got void [noderef] __rcu * ../kernel/bpf/helpers.c:2005:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2006:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2007:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2008:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2009:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2010:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2011:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2012:29: warning: symbol 'bpf_perf_event_read_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2013:29: warning: symbol 'bpf_send_signal_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2014:29: warning: symbol 'bpf_send_signal_thread_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2017:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2277:18: warning: symbol 'bpf_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2291:18: warning: symbol 'bpf_percpu_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2322:18: warning: symbol 'bpf_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2330:18: warning: symbol 'bpf_percpu_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2336:18: warning: symbol 'bpf_refcount_acquire_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2381:17: warning: symbol 'bpf_list_push_front_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2391:17: warning: symbol 'bpf_list_push_back_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2424:34: warning: symbol 'bpf_list_pop_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2429:34: warning: symbol 'bpf_list_pop_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2434:34: warning: symbol 'bpf_list_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2444:34: warning: symbol 'bpf_list_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2454:32: warning: symbol 'bpf_rbtree_remove' was not declared. Should it be static? ../kernel/bpf/helpers.c:2510:17: warning: symbol 'bpf_rbtree_add_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2520:32: warning: symbol 'bpf_rbtree_first' was not declared. Should it be static? ../kernel/bpf/helpers.c:2527:32: warning: symbol 'bpf_rbtree_root' was not declared. Should it be static? ../kernel/bpf/helpers.c:2534:32: warning: symbol 'bpf_rbtree_left' was not declared. Should it be static? ../kernel/bpf/helpers.c:2544:32: warning: symbol 'bpf_rbtree_right' was not declared. Should it be static? ../kernel/bpf/helpers.c:2560:32: warning: symbol 'bpf_task_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2571:18: warning: symbol 'bpf_task_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2576:18: warning: symbol 'bpf_task_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2589:27: warning: symbol 'bpf_cgroup_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2601:18: warning: symbol 'bpf_cgroup_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2606:18: warning: symbol 'bpf_cgroup_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2619:27: warning: symbol 'bpf_cgroup_ancestor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2639:27: warning: symbol 'bpf_cgroup_from_id' was not declared. Should it be static? ../kernel/bpf/helpers.c:2659:18: warning: symbol 'bpf_task_under_cgroup' was not declared. Should it be static? ../kernel/bpf/helpers.c:2702:27: warning: symbol 'bpf_task_get_cgroup1' was not declared. Should it be static? ../kernel/bpf/helpers.c:2719:32: warning: symbol 'bpf_task_from_pid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2738:32: warning: symbol 'bpf_task_from_vpid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2779:18: warning: symbol 'bpf_dynptr_slice' was not declared. Should it be static? ../kernel/bpf/helpers.c:2902:17: warning: symbol 'bpf_dynptr_adjust' was not declared. Should it be static? ../kernel/bpf/helpers.c:2921:18: warning: symbol 'bpf_dynptr_is_null' was not declared. Should it be static? ../kernel/bpf/helpers.c:2928:18: warning: symbol 'bpf_dynptr_is_rdonly' was not declared. Should it be static? ../kernel/bpf/helpers.c:2938:17: warning: symbol 'bpf_dynptr_size' was not declared. Should it be static? ../kernel/bpf/helpers.c:2948:17: warning: symbol 'bpf_dynptr_clone' was not declared. Should it be static? ../kernel/bpf/helpers.c:2975:17: warning: symbol 'bpf_dynptr_copy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3030:17: warning: symbol 'bpf_dynptr_memset' was not declared. Should it be static? ../kernel/bpf/helpers.c:3065:18: warning: symbol 'bpf_cast_to_kern_ctx' was not declared. Should it be static? ../kernel/bpf/helpers.c:3070:18: warning: symbol 'bpf_rdonly_cast' was not declared. Should it be static? ../kernel/bpf/helpers.c:3075:18: warning: symbol 'bpf_rcu_read_lock' was not declared. Should it be static? ../kernel/bpf/helpers.c:3080:18: warning: symbol 'bpf_rcu_read_unlock' was not declared. Should it be static? ../kernel/bpf/helpers.c:3116:18: warning: symbol 'bpf_throw' was not declared. Should it be static? ../kernel/bpf/helpers.c:3135:17: warning: symbol 'bpf_wq_init' was not declared. Should it be static? ../kernel/bpf/helpers.c:3149:17: warning: symbol 'bpf_wq_start' was not declared. Should it be static? ../kernel/bpf/helpers.c:3173:17: warning: symbol 'bpf_wq_set_callback' was not declared. Should it be static? ../kernel/bpf/helpers.c:3186:18: warning: symbol 'bpf_preempt_disable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3191:18: warning: symbol 'bpf_preempt_enable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3250:1: warning: symbol 'bpf_iter_bits_new' was not declared. Should it be static? ../kernel/bpf/helpers.c:3311:17: warning: symbol 'bpf_iter_bits_next' was not declared. Should it be static? ../kernel/bpf/helpers.c:3337:18: warning: symbol 'bpf_iter_bits_destroy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3361:17: warning: symbol 'bpf_copy_from_user_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3406:17: warning: symbol 'bpf_copy_from_user_task_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3436:18: warning: symbol 'bpf_local_irq_save' was not declared. Should it be static? ../kernel/bpf/helpers.c:3441:18: warning: symbol 'bpf_local_irq_restore' was not declared. Should it be static? ../kernel/bpf/helpers.c:3446:18: warning: symbol '__bpf_trap' was not declared. Should it be static? ../kernel/bpf/helpers.c:3501:17: warning: symbol 'bpf_strcmp' was not declared. Should it be static? ../kernel/bpf/helpers.c:3519:17: warning: symbol 'bpf_strcasecmp' was not declared. Should it be static? ../kernel/bpf/helpers.c:3538:17: warning: symbol 'bpf_strncasecmp' was not declared. Should it be static? ../kernel/bpf/helpers.c:3559:17: warning: symbol 'bpf_strnchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3596:17: warning: symbol 'bpf_strchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3613:17: warning: symbol 'bpf_strchrnul' was not declared. Should it be static? ../kernel/bpf/helpers.c:3645:17: warning: symbol 'bpf_strrchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3678:17: warning: symbol 'bpf_strnlen' was not declared. Should it be static? ../kernel/bpf/helpers.c:3708:17: warning: symbol 'bpf_strlen' was not declared. Should it be static? ../kernel/bpf/helpers.c:3726:17: warning: symbol 'bpf_strspn' was not declared. Should it be static? ../kernel/bpf/helpers.c:3770:17: warning: symbol 'bpf_strcspn' was not declared. Should it be static? ../kernel/bpf/helpers.c:3861:17: warning: symbol 'bpf_strstr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3880:17: warning: symbol 'bpf_strcasestr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3899:17: warning: symbol 'bpf_strnstr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3920:17: warning: symbol 'bpf_strncasestr' was not declared. Should it be static? ../kernel/bpf/helpers.c:4356:17: warning: symbol 'bpf_task_work_schedule_signal' was not declared. Should it be static? ../kernel/bpf/helpers.c:4374:17: warning: symbol 'bpf_task_work_schedule_resume' was not declared. Should it be static? ../kernel/bpf/helpers.c:4405:17: warning: symbol 'bpf_dynptr_from_file' was not declared. Should it be static? ../kernel/bpf/helpers.c:4415:17: warning: symbol 'bpf_dynptr_file_discard' was not declared. Should it be static? ../kernel/bpf/helpers.c:4444:17: warning: symbol 'bpf_timer_cancel_async' was not declared. Should it be static? ../kernel/bpf/helpers.c:3075:18: 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:897:25: warning: context imbalance in 'bpf_rcu_read_unlock' - unexpected unlock ../kernel/bpf/trampoline.c:183:19: warning: symbol 'direct_ops' was not declared. Should it be static? ../kernel/bpf/bpf_struct_ops.c:593:27: warning: symbol 'bpf_struct_ops_link_lops' was not declared. Should it be static? ../kernel/bpf/verifier.c:362:12: warning: symbol 'btf_vmlinux' was not declared. Should it be static? ../kernel/bpf/verifier.c:24078:38: 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/kheaders.c:51:1: error: bad constant expression ../kernel/kheaders.c:52:1: error: bad constant expression ../kernel/kheaders.c:53:1: error: bad constant expression ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? Documentation/.renames.txt: warning: ignored by one of the .gitignore files ../net/core/filter.c:1440:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1440:39: expected struct sock_filter const *filter ../net/core/filter.c:1440:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:1518:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1518:39: expected struct sock_filter const *filter ../net/core/filter.c:1518:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:2342:45: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:2342:45: expected restricted __be32 [usertype] daddr ../net/core/filter.c:2342:45: got unsigned int [usertype] ipv4_nh ../net/core/filter.c:3963:29: warning: symbol 'bpf_xdp_get_buff_len_trace_proto' was not declared. Should it be static? ../net/core/filter.c:4703:29: warning: symbol 'bpf_skb_output_proto' was not declared. Should it be static? ../net/core/filter.c:5117:29: warning: symbol 'bpf_xdp_output_proto' was not declared. Should it be static? ../net/core/filter.c:8130:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static? ../net/core/filter.c:12132:17: warning: symbol 'bpf_dynptr_from_skb' was not declared. Should it be static? ../net/core/filter.c:12162:17: warning: symbol 'bpf_dynptr_from_skb_meta' was not declared. Should it be static? ../net/core/filter.c:12178:17: warning: symbol 'bpf_dynptr_from_xdp' was not declared. Should it be static? ../net/core/filter.c:12194:17: warning: symbol 'bpf_sock_addr_set_sun_path' was not declared. Should it be static? ../net/core/filter.c:12215:17: warning: symbol 'bpf_sk_assign_tcp_reqsk' was not declared. Should it be static? ../net/core/filter.c:12312:17: warning: symbol 'bpf_sock_ops_enable_tx_tstamp' was not declared. Should it be static? ../net/core/filter.c:12362:17: warning: symbol 'bpf_xdp_pull_data' was not declared. Should it be static? ../net/core/filter.c:12538:17: warning: symbol 'bpf_sock_destroy' was not declared. Should it be static? ../net/core/filter.c:1948:43: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1948:43: expected restricted __wsum [usertype] diff ../net/core/filter.c:1948:43: got unsigned long long [usertype] to ../net/core/filter.c:1951:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1951:36: expected restricted __be16 [usertype] old ../net/core/filter.c:1951:36: got unsigned long long [usertype] from ../net/core/filter.c:1951:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1951:42: expected restricted __be16 [usertype] new ../net/core/filter.c:1951:42: got unsigned long long [usertype] to ../net/core/filter.c:1954:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1954:36: expected restricted __be32 [usertype] from ../net/core/filter.c:1954:36: got unsigned long long [usertype] from ../net/core/filter.c:1954:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1954:42: expected restricted __be32 [usertype] to ../net/core/filter.c:1954:42: got unsigned long long [usertype] to ../net/core/filter.c:2000:59: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:2000:59: expected restricted __wsum [usertype] diff ../net/core/filter.c:2000:59: got unsigned long long [usertype] to ../net/core/filter.c:2003:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:2003:52: expected restricted __be16 [usertype] from ../net/core/filter.c:2003:52: got unsigned long long [usertype] from ../net/core/filter.c:2003:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:2003:58: expected restricted __be16 [usertype] to ../net/core/filter.c:2003:58: got unsigned long long [usertype] to ../net/core/filter.c:2006:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:2006:52: expected restricted __be32 [usertype] from ../net/core/filter.c:2006:52: got unsigned long long [usertype] from ../net/core/filter.c:2006:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:2006:58: expected restricted __be32 [usertype] to ../net/core/filter.c:2006:58: got unsigned long long [usertype] to ../net/core/filter.c:2073:35: warning: incorrect type in return expression (different base types) ../net/core/filter.c:2073:35: expected unsigned long long ../net/core/filter.c:2073:35: got restricted __wsum [usertype] csum ../net/core/filter.c:6046:17: warning: incorrect type in assignment (different base types) ../net/core/filter.c:6046:17: expected unsigned int [usertype] spi ../net/core/filter.c:6046:17: got restricted __be32 const [usertype] spi ../net/core/filter.c:6054:33: warning: incorrect type in assignment (different base types) ../net/core/filter.c:6054:33: expected unsigned int [usertype] remote_ipv4 ../net/core/filter.c:6054:33: got restricted __be32 const [usertype] a4 ../kernel/trace/bpf_trace.c: In function ‘____bpf_trace_printk’: ../kernel/trace/bpf_trace.c:377:9: warning: function ‘____bpf_trace_printk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 377 | 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:433:9: warning: function ‘____bpf_trace_vprintk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 433 | 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:475:9: warning: function ‘____bpf_seq_printf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 475 | seq_bprintf(m, fmt, data.bin_args); | ^~~~~~~~~~~ ../kernel/bpf/helpers.c: In function ‘____bpf_snprintf’: ../kernel/bpf/helpers.c:1069:9: warning: function ‘____bpf_snprintf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] 1069 | 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:79:17: warning: symbol 'bpf_path_d_path' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:127:17: warning: symbol 'bpf_get_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:160:17: warning: symbol 'bpf_get_file_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:286:17: warning: symbol 'bpf_set_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:312:17: warning: symbol 'bpf_remove_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:336:17: warning: symbol 'bpf_cgroup_read_xattr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:189:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:226:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:241:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:276:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:574:29: warning: symbol 'bpf_perf_event_read_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:760:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:771:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:785:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:883:29: warning: symbol 'bpf_send_signal_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:895:29: warning: symbol 'bpf_send_signal_thread_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1186:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3334:18: warning: symbol 'bpf_session_is_return' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3342:19: warning: symbol 'bpf_session_cookie' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3528:17: warning: symbol 'bpf_send_signal_task' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3537:17: warning: symbol 'bpf_probe_read_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3544:17: warning: symbol 'bpf_probe_read_kernel_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3551:17: warning: symbol 'bpf_probe_read_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3558:17: warning: symbol 'bpf_probe_read_kernel_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3565:17: warning: symbol 'bpf_copy_from_user_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3572:17: warning: symbol 'bpf_copy_from_user_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3579:17: warning: symbol 'bpf_copy_from_user_task_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3587:17: warning: symbol 'bpf_copy_from_user_task_str_dynptr' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:2344:21: warning: dereference of noderef expression ../kernel/trace/bpf_trace.c:2348:66: 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:897:25: warning: context imbalance in 'uprobe_prog_run' - unexpected unlock ../kernel/bpf/helpers.c:1212:21: warning: incorrect type in assignment (different address spaces) ../kernel/bpf/helpers.c:1212:21: expected unsigned long long ( *[usertype] callback_fn )( ... ) ../kernel/bpf/helpers.c:1212:21: got void [noderef] __rcu * ../kernel/bpf/helpers.c:2005:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2006:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2007:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2008:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2009:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2010:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2011:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2012:29: warning: symbol 'bpf_perf_event_read_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2013:29: warning: symbol 'bpf_send_signal_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2014:29: warning: symbol 'bpf_send_signal_thread_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2017:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2277:18: warning: symbol 'bpf_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2291:18: warning: symbol 'bpf_percpu_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2322:18: warning: symbol 'bpf_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2330:18: warning: symbol 'bpf_percpu_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2336:18: warning: symbol 'bpf_refcount_acquire_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2381:17: warning: symbol 'bpf_list_push_front_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2391:17: warning: symbol 'bpf_list_push_back_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2424:34: warning: symbol 'bpf_list_pop_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2429:34: warning: symbol 'bpf_list_pop_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2434:34: warning: symbol 'bpf_list_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2444:34: warning: symbol 'bpf_list_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2454:32: warning: symbol 'bpf_rbtree_remove' was not declared. Should it be static? ../kernel/bpf/helpers.c:2510:17: warning: symbol 'bpf_rbtree_add_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2520:32: warning: symbol 'bpf_rbtree_first' was not declared. Should it be static? ../kernel/bpf/helpers.c:2527:32: warning: symbol 'bpf_rbtree_root' was not declared. Should it be static? ../kernel/bpf/helpers.c:2534:32: warning: symbol 'bpf_rbtree_left' was not declared. Should it be static? ../kernel/bpf/helpers.c:2544:32: warning: symbol 'bpf_rbtree_right' was not declared. Should it be static? ../kernel/bpf/helpers.c:2560:32: warning: symbol 'bpf_task_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2571:18: warning: symbol 'bpf_task_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2576:18: warning: symbol 'bpf_task_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2589:27: warning: symbol 'bpf_cgroup_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2601:18: warning: symbol 'bpf_cgroup_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2606:18: warning: symbol 'bpf_cgroup_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2619:27: warning: symbol 'bpf_cgroup_ancestor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2639:27: warning: symbol 'bpf_cgroup_from_id' was not declared. Should it be static? ../kernel/bpf/helpers.c:2659:18: warning: symbol 'bpf_task_under_cgroup' was not declared. Should it be static? ../kernel/bpf/helpers.c:2702:27: warning: symbol 'bpf_task_get_cgroup1' was not declared. Should it be static? ../kernel/bpf/helpers.c:2719:32: warning: symbol 'bpf_task_from_pid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2738:32: warning: symbol 'bpf_task_from_vpid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2779:18: warning: symbol 'bpf_dynptr_slice' was not declared. Should it be static? ../kernel/bpf/helpers.c:2902:17: warning: symbol 'bpf_dynptr_adjust' was not declared. Should it be static? ../kernel/bpf/helpers.c:2921:18: warning: symbol 'bpf_dynptr_is_null' was not declared. Should it be static? ../kernel/bpf/helpers.c:2928:18: warning: symbol 'bpf_dynptr_is_rdonly' was not declared. Should it be static? ../kernel/bpf/helpers.c:2938:17: warning: symbol 'bpf_dynptr_size' was not declared. Should it be static? ../kernel/bpf/helpers.c:2948:17: warning: symbol 'bpf_dynptr_clone' was not declared. Should it be static? ../kernel/bpf/helpers.c:2975:17: warning: symbol 'bpf_dynptr_copy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3030:17: warning: symbol 'bpf_dynptr_memset' was not declared. Should it be static? ../kernel/bpf/helpers.c:3065:18: warning: symbol 'bpf_cast_to_kern_ctx' was not declared. Should it be static? ../kernel/bpf/helpers.c:3070:18: warning: symbol 'bpf_rdonly_cast' was not declared. Should it be static? ../kernel/bpf/helpers.c:3075:18: warning: symbol 'bpf_rcu_read_lock' was not declared. Should it be static? ../kernel/bpf/helpers.c:3080:18: warning: symbol 'bpf_rcu_read_unlock' was not declared. Should it be static? ../kernel/bpf/helpers.c:3116:18: warning: symbol 'bpf_throw' was not declared. Should it be static? ../kernel/bpf/helpers.c:3135:17: warning: symbol 'bpf_wq_init' was not declared. Should it be static? ../kernel/bpf/helpers.c:3149:17: warning: symbol 'bpf_wq_start' was not declared. Should it be static? ../kernel/bpf/helpers.c:3173:17: warning: symbol 'bpf_wq_set_callback' was not declared. Should it be static? ../kernel/bpf/helpers.c:3186:18: warning: symbol 'bpf_preempt_disable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3191:18: warning: symbol 'bpf_preempt_enable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3250:1: warning: symbol 'bpf_iter_bits_new' was not declared. Should it be static? ../kernel/bpf/helpers.c:3311:17: warning: symbol 'bpf_iter_bits_next' was not declared. Should it be static? ../kernel/bpf/helpers.c:3337:18: warning: symbol 'bpf_iter_bits_destroy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3361:17: warning: symbol 'bpf_copy_from_user_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3406:17: warning: symbol 'bpf_copy_from_user_task_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3436:18: warning: symbol 'bpf_local_irq_save' was not declared. Should it be static? ../kernel/bpf/helpers.c:3441:18: warning: symbol 'bpf_local_irq_restore' was not declared. Should it be static? ../kernel/bpf/helpers.c:3446:18: warning: symbol '__bpf_trap' was not declared. Should it be static? ../kernel/bpf/helpers.c:3501:17: warning: symbol 'bpf_strcmp' was not declared. Should it be static? ../kernel/bpf/helpers.c:3519:17: warning: symbol 'bpf_strcasecmp' was not declared. Should it be static? ../kernel/bpf/helpers.c:3538:17: warning: symbol 'bpf_strncasecmp' was not declared. Should it be static? ../kernel/bpf/helpers.c:3559:17: warning: symbol 'bpf_strnchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3596:17: warning: symbol 'bpf_strchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3613:17: warning: symbol 'bpf_strchrnul' was not declared. Should it be static? ../kernel/bpf/helpers.c:3645:17: warning: symbol 'bpf_strrchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3678:17: warning: symbol 'bpf_strnlen' was not declared. Should it be static? ../kernel/bpf/helpers.c:3708:17: warning: symbol 'bpf_strlen' was not declared. Should it be static? ../kernel/bpf/helpers.c:3726:17: warning: symbol 'bpf_strspn' was not declared. Should it be static? ../kernel/bpf/helpers.c:3770:17: warning: symbol 'bpf_strcspn' was not declared. Should it be static? ../kernel/bpf/helpers.c:3861:17: warning: symbol 'bpf_strstr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3880:17: warning: symbol 'bpf_strcasestr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3899:17: warning: symbol 'bpf_strnstr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3920:17: warning: symbol 'bpf_strncasestr' was not declared. Should it be static? ../kernel/bpf/helpers.c:4356:17: warning: symbol 'bpf_task_work_schedule_signal' was not declared. Should it be static? ../kernel/bpf/helpers.c:4374:17: warning: symbol 'bpf_task_work_schedule_resume' was not declared. Should it be static? ../kernel/bpf/helpers.c:4405:17: warning: symbol 'bpf_dynptr_from_file' was not declared. Should it be static? ../kernel/bpf/helpers.c:4415:17: warning: symbol 'bpf_dynptr_file_discard' was not declared. Should it be static? ../kernel/bpf/helpers.c:4444:17: warning: symbol 'bpf_timer_cancel_async' was not declared. Should it be static? ../kernel/bpf/helpers.c:3075:18: 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:897:25: warning: context imbalance in 'bpf_rcu_read_unlock' - unexpected unlock ../kernel/bpf/core.c:252:49: error: arithmetics on pointers to functions ../kernel/bpf/core.c:3016:29: 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:304:1: warning: Using plain integer as NULL pointer ../include/trace/events/xdp.h:331:1: 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:102:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:102:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:102:9: struct rb_node * ../include/linux/rbtree.h:102:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:102:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:102:9: struct rb_node * ../kernel/bpf/trampoline.c:183:19: warning: symbol 'direct_ops' was not declared. Should it be static? ../kernel/bpf/verifier.c:362:12: warning: symbol 'btf_vmlinux' was not declared. Should it be static? ../kernel/bpf/verifier.c:24106:38: 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:593:27: warning: symbol 'bpf_struct_ops_link_lops' was not declared. Should it be static? ../kernel/kheaders.c:51:1: error: bad constant expression ../kernel/kheaders.c:52:1: error: bad constant expression ../kernel/kheaders.c:53:1: error: bad constant expression ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?