../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:247:49: error: arithmetics on pointers to functions ../kernel/bpf/core.c:3000:29: 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:74:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:74:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:74:9: struct rb_node * ../include/linux/rbtree.h:74:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:74:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:74:9: struct rb_node * ../kernel/bpf/helpers.c:1199:21: warning: incorrect type in assignment (different address spaces) ../kernel/bpf/helpers.c:1199:21: expected unsigned long long ( *[usertype] callback_fn )( ... ) ../kernel/bpf/helpers.c:1199:21: got void [noderef] __rcu * ../kernel/bpf/helpers.c:1905:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1906:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1907:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1908:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1909:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1910:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1911:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1912:29: warning: symbol 'bpf_perf_event_read_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1913:29: warning: symbol 'bpf_send_signal_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1914:29: warning: symbol 'bpf_send_signal_thread_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1917:29: warning: symbol 'bpf_get_branch_snapshot_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2177:18: warning: symbol 'bpf_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2191:18: warning: symbol 'bpf_percpu_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2222:18: warning: symbol 'bpf_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2230:18: warning: symbol 'bpf_percpu_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2236:18: warning: symbol 'bpf_refcount_acquire_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2281:17: warning: symbol 'bpf_list_push_front_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2291:17: warning: symbol 'bpf_list_push_back_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2324:34: warning: symbol 'bpf_list_pop_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2329:34: warning: symbol 'bpf_list_pop_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2334:34: warning: symbol 'bpf_list_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2344:34: warning: symbol 'bpf_list_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2354:32: warning: symbol 'bpf_rbtree_remove' was not declared. Should it be static? ../kernel/bpf/helpers.c:2410:17: warning: symbol 'bpf_rbtree_add_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2420:32: warning: symbol 'bpf_rbtree_first' was not declared. Should it be static? ../kernel/bpf/helpers.c:2427:32: warning: symbol 'bpf_rbtree_root' was not declared. Should it be static? ../kernel/bpf/helpers.c:2434:32: warning: symbol 'bpf_rbtree_left' was not declared. Should it be static? ../kernel/bpf/helpers.c:2444:32: warning: symbol 'bpf_rbtree_right' was not declared. Should it be static? ../kernel/bpf/helpers.c:2460:32: warning: symbol 'bpf_task_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2471:18: warning: symbol 'bpf_task_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2476:18: warning: symbol 'bpf_task_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2489:27: warning: symbol 'bpf_cgroup_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2501:18: warning: symbol 'bpf_cgroup_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2506:18: warning: symbol 'bpf_cgroup_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2519:27: warning: symbol 'bpf_cgroup_ancestor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2539:27: warning: symbol 'bpf_cgroup_from_id' was not declared. Should it be static? ../kernel/bpf/helpers.c:2559:18: warning: symbol 'bpf_task_under_cgroup' was not declared. Should it be static? ../kernel/bpf/helpers.c:2602:27: warning: symbol 'bpf_task_get_cgroup1' was not declared. Should it be static? ../kernel/bpf/helpers.c:2619:32: warning: symbol 'bpf_task_from_pid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2638:32: warning: symbol 'bpf_task_from_vpid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2679:18: warning: symbol 'bpf_dynptr_slice' was not declared. Should it be static? ../kernel/bpf/helpers.c:2797:17: warning: symbol 'bpf_dynptr_adjust' was not declared. Should it be static? ../kernel/bpf/helpers.c:2816:18: warning: symbol 'bpf_dynptr_is_null' was not declared. Should it be static? ../kernel/bpf/helpers.c:2823:18: warning: symbol 'bpf_dynptr_is_rdonly' was not declared. Should it be static? ../kernel/bpf/helpers.c:2833:19: warning: symbol 'bpf_dynptr_size' was not declared. Should it be static? ../kernel/bpf/helpers.c:2843:17: warning: symbol 'bpf_dynptr_clone' was not declared. Should it be static? ../kernel/bpf/helpers.c:2870:17: warning: symbol 'bpf_dynptr_copy' was not declared. Should it be static? ../kernel/bpf/helpers.c:2925:18: warning: symbol 'bpf_dynptr_memset' was not declared. Should it be static? ../kernel/bpf/helpers.c:2960:18: warning: symbol 'bpf_cast_to_kern_ctx' was not declared. Should it be static? ../kernel/bpf/helpers.c:2965:18: warning: symbol 'bpf_rdonly_cast' was not declared. Should it be static? ../kernel/bpf/helpers.c:2970:18: warning: symbol 'bpf_rcu_read_lock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2975:18: warning: symbol 'bpf_rcu_read_unlock' was not declared. Should it be static? ../kernel/bpf/helpers.c:3011:18: warning: symbol 'bpf_throw' was not declared. Should it be static? ../kernel/bpf/helpers.c:3030:17: warning: symbol 'bpf_wq_init' was not declared. Should it be static? ../kernel/bpf/helpers.c:3044:17: warning: symbol 'bpf_wq_start' was not declared. Should it be static? ../kernel/bpf/helpers.c:3061:17: warning: symbol 'bpf_wq_set_callback_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:3075:18: warning: symbol 'bpf_preempt_disable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3080:18: warning: symbol 'bpf_preempt_enable' was not declared. Should it be static? ../kernel/bpf/helpers.c:3139:1: warning: symbol 'bpf_iter_bits_new' was not declared. Should it be static? ../kernel/bpf/helpers.c:3200:17: warning: symbol 'bpf_iter_bits_next' was not declared. Should it be static? ../kernel/bpf/helpers.c:3226:18: warning: symbol 'bpf_iter_bits_destroy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3250:17: warning: symbol 'bpf_copy_from_user_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3295:17: warning: symbol 'bpf_copy_from_user_task_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3325:18: warning: symbol 'bpf_local_irq_save' was not declared. Should it be static? ../kernel/bpf/helpers.c:3330:18: warning: symbol 'bpf_local_irq_restore' was not declared. Should it be static? ../kernel/bpf/helpers.c:3335:18: warning: symbol '__bpf_trap' was not declared. Should it be static? ../kernel/bpf/helpers.c:3360:17: warning: symbol 'bpf_strcmp' was not declared. Should it be static? ../kernel/bpf/helpers.c:3402:17: warning: symbol 'bpf_strnchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3439:17: warning: symbol 'bpf_strchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3456:17: warning: symbol 'bpf_strchrnul' was not declared. Should it be static? ../kernel/bpf/helpers.c:3488:17: warning: symbol 'bpf_strrchr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3521:17: warning: symbol 'bpf_strnlen' was not declared. Should it be static? ../kernel/bpf/helpers.c:3551:17: warning: symbol 'bpf_strlen' was not declared. Should it be static? ../kernel/bpf/helpers.c:3569:17: warning: symbol 'bpf_strspn' was not declared. Should it be static? ../kernel/bpf/helpers.c:3613:17: warning: symbol 'bpf_strcspn' was not declared. Should it be static? ../kernel/bpf/helpers.c:3658:17: warning: symbol 'bpf_strnstr' was not declared. Should it be static? ../kernel/bpf/helpers.c:3711:17: warning: symbol 'bpf_strstr' was not declared. Should it be static? ../kernel/bpf/helpers.c:2970:18: 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/rqspinlock.c:102:39: warning: incorrect type in initializer (different address spaces) ../kernel/bpf/rqspinlock.c:102:39: expected void const [noderef] __percpu *__vpp_verify ../kernel/bpf/rqspinlock.c:102:39: got struct rqspinlock_held * ../kernel/bpf/rqspinlock.c:124:39: warning: incorrect type in initializer (different address spaces) ../kernel/bpf/rqspinlock.c:124:39: expected void const [noderef] __percpu *__vpp_verify ../kernel/bpf/rqspinlock.c:124:39: got struct rqspinlock_held * ../kernel/bpf/rqspinlock.c:137:51: warning: incorrect type in initializer (different address spaces) ../kernel/bpf/rqspinlock.c:137:51: expected void const [noderef] __percpu *__vpp_verify ../kernel/bpf/rqspinlock.c:137:51: got struct rqspinlock_held * ../kernel/bpf/rqspinlock.c:671:39: warning: incorrect type in initializer (different address spaces) ../kernel/bpf/rqspinlock.c:671:39: expected void const [noderef] __percpu *__vpp_verify ../kernel/bpf/rqspinlock.c:671:39: got struct rqspinlock_held * ../kernel/bpf/rqspinlock.c:690:17: warning: symbol 'bpf_res_spin_lock' was not declared. Should it be static? ../kernel/bpf/rqspinlock.c:707:18: warning: symbol 'bpf_res_spin_unlock' was not declared. Should it be static? ../kernel/bpf/rqspinlock.c:713:17: warning: symbol 'bpf_res_spin_lock_irqsave' was not declared. Should it be static? ../kernel/bpf/rqspinlock.c:732:18: warning: symbol 'bpf_res_spin_unlock_irqrestore' 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? ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' 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?