../kernel/bpf/helpers.c:1195:21: warning: incorrect type in assignment (different address spaces) ../kernel/bpf/helpers.c:1195:21: expected unsigned long long ( *[usertype] callback_fn )( ... ) ../kernel/bpf/helpers.c:1195:21: got void [noderef] __rcu * ../kernel/bpf/helpers.c:1897:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1898:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1899:29: warning: symbol 'bpf_probe_read_user_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1900:29: warning: symbol 'bpf_probe_read_user_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1901:29: warning: symbol 'bpf_probe_read_kernel_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1902:29: warning: symbol 'bpf_probe_read_kernel_str_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:1903:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/bpf/helpers.c:2126:18: warning: symbol 'bpf_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2140:18: warning: symbol 'bpf_percpu_obj_new_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2171:18: warning: symbol 'bpf_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2179:18: warning: symbol 'bpf_percpu_obj_drop_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2185:18: warning: symbol 'bpf_refcount_acquire_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2230:17: warning: symbol 'bpf_list_push_front_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2240:17: warning: symbol 'bpf_list_push_back_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2273:34: warning: symbol 'bpf_list_pop_front' was not declared. Should it be static? ../kernel/bpf/helpers.c:2278:34: warning: symbol 'bpf_list_pop_back' was not declared. Should it be static? ../kernel/bpf/helpers.c:2283:32: warning: symbol 'bpf_rbtree_remove' was not declared. Should it be static? ../kernel/bpf/helpers.c:2339:17: warning: symbol 'bpf_rbtree_add_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2349:32: warning: symbol 'bpf_rbtree_first' was not declared. Should it be static? ../kernel/bpf/helpers.c:2362:32: warning: symbol 'bpf_task_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2373:18: warning: symbol 'bpf_task_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2378:18: warning: symbol 'bpf_task_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2391:27: warning: symbol 'bpf_cgroup_acquire' was not declared. Should it be static? ../kernel/bpf/helpers.c:2403:18: warning: symbol 'bpf_cgroup_release' was not declared. Should it be static? ../kernel/bpf/helpers.c:2408:18: warning: symbol 'bpf_cgroup_release_dtor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2421:27: warning: symbol 'bpf_cgroup_ancestor' was not declared. Should it be static? ../kernel/bpf/helpers.c:2441:27: warning: symbol 'bpf_cgroup_from_id' was not declared. Should it be static? ../kernel/bpf/helpers.c:2461:18: warning: symbol 'bpf_task_under_cgroup' was not declared. Should it be static? ../kernel/bpf/helpers.c:2504:27: warning: symbol 'bpf_task_get_cgroup1' was not declared. Should it be static? ../kernel/bpf/helpers.c:2521:32: warning: symbol 'bpf_task_from_pid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2540:32: warning: symbol 'bpf_task_from_vpid' was not declared. Should it be static? ../kernel/bpf/helpers.c:2581:18: warning: symbol 'bpf_dynptr_slice' was not declared. Should it be static? ../kernel/bpf/helpers.c:2666:18: warning: symbol 'bpf_dynptr_slice_rdwr' was not declared. Should it be static? ../kernel/bpf/helpers.c:2699:17: warning: symbol 'bpf_dynptr_adjust' was not declared. Should it be static? ../kernel/bpf/helpers.c:2718:18: warning: symbol 'bpf_dynptr_is_null' was not declared. Should it be static? ../kernel/bpf/helpers.c:2725:18: warning: symbol 'bpf_dynptr_is_rdonly' was not declared. Should it be static? ../kernel/bpf/helpers.c:2735:19: warning: symbol 'bpf_dynptr_size' was not declared. Should it be static? ../kernel/bpf/helpers.c:2745:17: warning: symbol 'bpf_dynptr_clone' was not declared. Should it be static? ../kernel/bpf/helpers.c:2761:18: warning: symbol 'bpf_cast_to_kern_ctx' was not declared. Should it be static? ../kernel/bpf/helpers.c:2766:18: warning: symbol 'bpf_rdonly_cast' was not declared. Should it be static? ../kernel/bpf/helpers.c:2771:18: warning: symbol 'bpf_rcu_read_lock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2776:18: warning: symbol 'bpf_rcu_read_unlock' was not declared. Should it be static? ../kernel/bpf/helpers.c:2805:18: warning: symbol 'bpf_throw' was not declared. Should it be static? ../kernel/bpf/helpers.c:2824:17: warning: symbol 'bpf_wq_init' was not declared. Should it be static? ../kernel/bpf/helpers.c:2838:17: warning: symbol 'bpf_wq_start' was not declared. Should it be static? ../kernel/bpf/helpers.c:2855:17: warning: symbol 'bpf_wq_set_callback_impl' was not declared. Should it be static? ../kernel/bpf/helpers.c:2869:18: warning: symbol 'bpf_preempt_disable' was not declared. Should it be static? ../kernel/bpf/helpers.c:2874:18: warning: symbol 'bpf_preempt_enable' was not declared. Should it be static? ../kernel/bpf/helpers.c:2933:1: warning: symbol 'bpf_iter_bits_new' was not declared. Should it be static? ../kernel/bpf/helpers.c:2994:17: warning: symbol 'bpf_iter_bits_next' was not declared. Should it be static? ../kernel/bpf/helpers.c:3020:18: warning: symbol 'bpf_iter_bits_destroy' was not declared. Should it be static? ../kernel/bpf/helpers.c:3044:17: warning: symbol 'bpf_copy_from_user_str' was not declared. Should it be static? ../kernel/bpf/helpers.c:3075:18: warning: symbol 'bpf_local_irq_save' was not declared. Should it be static? ../kernel/bpf/helpers.c:3080:18: warning: symbol 'bpf_local_irq_restore' was not declared. Should it be static? ../kernel/bpf/helpers.c:2771:18: warning: context imbalance in 'bpf_rcu_read_lock' - wrong count at exit ../kernel/bpf/helpers.c: note: in included file (through ../include/linux/workqueue.h, ../include/linux/bpf.h): ../include/linux/rcupdate.h:880:25: warning: context imbalance in 'bpf_rcu_read_unlock' - unexpected unlock ../fs/bpf_fs_kfuncs.c:41:25: warning: symbol 'bpf_get_task_exe_file' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:57:18: warning: symbol 'bpf_put_file' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:81:17: warning: symbol 'bpf_path_d_path' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:129:17: warning: symbol 'bpf_get_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:162:17: warning: symbol 'bpf_get_file_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:288:17: warning: symbol 'bpf_set_dentry_xattr' was not declared. Should it be static? ../fs/bpf_fs_kfuncs.c:314:17: warning: symbol 'bpf_remove_dentry_xattr' was not declared. Should it be static? ../kernel/bpf/bpf_struct_ops.c:582:27: warning: symbol 'bpf_struct_ops_link_lops' was not declared. Should it be static? ../kernel/bpf/core.c:243:49: error: arithmetics on pointers to functions ../kernel/bpf/core.c:2906:29: warning: symbol 'bpf_seq_printf_btf_proto' was not declared. Should it be static? ../kernel/bpf/core.c: note: in included file (through ../include/trace/trace_events.h, ../include/trace/define_trace.h, ../include/trace/events/xdp.h, ../include/linux/bpf_trace.h): ../include/trace/events/xdp.h:321:1: warning: Using plain integer as NULL pointer ../include/trace/events/xdp.h:348:1: warning: Using plain integer as NULL pointer ../include/trace/events/xdp.h:382:1: warning: Using plain integer as NULL pointer ../kernel/bpf/core.c: note: in included file (through ../include/linux/rbtree_latch.h, ../include/linux/bpf.h, ../include/linux/filter.h): ../include/linux/rbtree.h:74:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:74:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:74:9: struct rb_node * ../include/linux/rbtree.h:74:9: error: incompatible types in comparison expression (different address spaces): ../include/linux/rbtree.h:74:9: struct rb_node [noderef] __rcu * ../include/linux/rbtree.h:74:9: struct rb_node * ../kernel/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:755:29: warning: symbol 'bpf_get_current_task_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:766:29: warning: symbol 'bpf_get_current_task_btf_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:781:29: warning: symbol 'bpf_task_pt_regs_proto' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:829:41: warning: incorrect type in assignment (different address spaces) ../kernel/trace/bpf_trace.c:829:41: expected void [noderef] __user *[addressable] [assigned] [usertype] sival_ptr ../kernel/trace/bpf_trace.c:829:41: got void * ../kernel/trace/bpf_trace.c:1280:28: warning: symbol 'bpf_lookup_user_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1329:28: warning: symbol 'bpf_lookup_system_key' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1353:18: warning: symbol 'bpf_key_put' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:1373:17: warning: symbol 'bpf_verify_pkcs7_signature' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3526:18: warning: symbol 'bpf_session_is_return' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3534:19: warning: symbol 'bpf_session_cookie' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:3575:17: warning: symbol 'bpf_send_signal_task' was not declared. Should it be static? ../kernel/trace/bpf_trace.c:2627:21: warning: dereference of noderef expression ../kernel/trace/bpf_trace.c:2631:66: warning: dereference of noderef expression ../kernel/trace/bpf_trace.c: note: in included file (through ../include/linux/rbtree.h, ../include/linux/mm_types.h, ../include/linux/mmzone.h, ../include/linux/gfp.h, ../include/linux/slab.h): ../include/linux/rcupdate.h:880:25: warning: context imbalance in 'uprobe_prog_run' - unexpected unlock ../kernel/bpf/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:1423:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1423:39: expected struct sock_filter const *filter ../net/core/filter.c:1423:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:1501:39: warning: incorrect type in argument 1 (different address spaces) ../net/core/filter.c:1501:39: expected struct sock_filter const *filter ../net/core/filter.c:1501:39: got struct sock_filter [noderef] __user *filter ../net/core/filter.c:2323:45: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:2323:45: expected restricted __be32 [usertype] daddr ../net/core/filter.c:2323:45: got unsigned int [usertype] ipv4_nh ../net/core/filter.c:3923:29: warning: symbol 'bpf_xdp_get_buff_len_trace_proto' was not declared. Should it be static? ../net/core/filter.c:4655:29: warning: symbol 'bpf_skb_output_proto' was not declared. Should it be static? ../net/core/filter.c:5069:29: warning: symbol 'bpf_xdp_output_proto' was not declared. Should it be static? ../net/core/filter.c:7944:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static? ../net/core/filter.c:11915:17: warning: symbol 'bpf_dynptr_from_skb' was not declared. Should it be static? ../net/core/filter.c:11931:17: warning: symbol 'bpf_dynptr_from_xdp' was not declared. Should it be static? ../net/core/filter.c:11947:17: warning: symbol 'bpf_sock_addr_set_sun_path' was not declared. Should it be static? ../net/core/filter.c:11968:17: warning: symbol 'bpf_sk_assign_tcp_reqsk' was not declared. Should it be static? ../net/core/filter.c:12158:17: warning: symbol 'bpf_sock_destroy' was not declared. Should it be static? ../net/core/filter.c:1931:43: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1931:43: expected restricted __wsum [usertype] diff ../net/core/filter.c:1931:43: got unsigned long long [usertype] to ../net/core/filter.c:1934:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1934:36: expected restricted __be16 [usertype] old ../net/core/filter.c:1934:36: got unsigned long long [usertype] from ../net/core/filter.c:1934:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1934:42: expected restricted __be16 [usertype] new ../net/core/filter.c:1934:42: got unsigned long long [usertype] to ../net/core/filter.c:1937:36: warning: incorrect type in argument 2 (different base types) ../net/core/filter.c:1937:36: expected restricted __be32 [usertype] from ../net/core/filter.c:1937:36: got unsigned long long [usertype] from ../net/core/filter.c:1937:42: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1937:42: expected restricted __be32 [usertype] to ../net/core/filter.c:1937:42: got unsigned long long [usertype] to ../net/core/filter.c:1982:59: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1982:59: expected restricted __wsum [usertype] diff ../net/core/filter.c:1982:59: got unsigned long long [usertype] to ../net/core/filter.c:1985:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1985:52: expected restricted __be16 [usertype] from ../net/core/filter.c:1985:52: got unsigned long long [usertype] from ../net/core/filter.c:1985:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:1985:58: expected restricted __be16 [usertype] to ../net/core/filter.c:1985:58: got unsigned long long [usertype] to ../net/core/filter.c:1988:52: warning: incorrect type in argument 3 (different base types) ../net/core/filter.c:1988:52: expected restricted __be32 [usertype] from ../net/core/filter.c:1988:52: got unsigned long long [usertype] from ../net/core/filter.c:1988:58: warning: incorrect type in argument 4 (different base types) ../net/core/filter.c:1988:58: expected restricted __be32 [usertype] to ../net/core/filter.c:1988:58: got unsigned long long [usertype] to ../net/core/filter.c:2055:35: warning: incorrect type in return expression (different base types) ../net/core/filter.c:2055:35: expected unsigned long long ../net/core/filter.c:2055:35: got restricted __wsum [usertype] csum ../net/core/filter.c:5867:17: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5867:17: expected unsigned int [usertype] spi ../net/core/filter.c:5867:17: got restricted __be32 const [usertype] spi ../net/core/filter.c:5875:33: warning: incorrect type in assignment (different base types) ../net/core/filter.c:5875:33: expected unsigned int [usertype] remote_ipv4 ../net/core/filter.c:5875:33: got restricted __be32 const [usertype] a4 ../kernel/bpf/verifier.c:348:12: warning: symbol 'btf_vmlinux' was not declared. Should it be static? ../kernel/bpf/verifier.c:22001:38: 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?