diff options
Diffstat (limited to 'tools/testing/selftests')
74 files changed, 1972 insertions, 365 deletions
diff --git a/tools/testing/selftests/bpf/DENYLIST.aarch64 b/tools/testing/selftests/bpf/DENYLIST.aarch64 index 0445ac38bc07..901349da680f 100644 --- a/tools/testing/selftests/bpf/DENYLIST.aarch64 +++ b/tools/testing/selftests/bpf/DENYLIST.aarch64 @@ -1,11 +1,11 @@ bpf_cookie/multi_kprobe_attach_api # kprobe_multi_link_api_subtest:FAIL:fentry_raw_skel_load unexpected error: -3 bpf_cookie/multi_kprobe_link_api # kprobe_multi_link_api_subtest:FAIL:fentry_raw_skel_load unexpected error: -3 -fexit_sleep # The test never returns. The remaining tests cannot start. kprobe_multi_bench_attach # needs CONFIG_FPROBE kprobe_multi_test # needs CONFIG_FPROBE module_attach # prog 'kprobe_multi': failed to auto-attach: -95 fentry_test/fentry_many_args # fentry_many_args:FAIL:fentry_many_args_attach unexpected error: -524 fexit_test/fexit_many_args # fexit_many_args:FAIL:fexit_many_args_attach unexpected error: -524 +tracing_struct/struct_many_args # struct_many_args:FAIL:tracing_struct_many_args__attach unexpected error: -524 fill_link_info/kprobe_multi_link_info # bpf_program__attach_kprobe_multi_opts unexpected error: -95 fill_link_info/kretprobe_multi_link_info # bpf_program__attach_kprobe_multi_opts unexpected error: -95 fill_link_info/kprobe_multi_invalid_ubuff # bpf_program__attach_kprobe_multi_opts unexpected error: -95 diff --git a/tools/testing/selftests/bpf/DENYLIST.s390x b/tools/testing/selftests/bpf/DENYLIST.s390x index c34adf39eeb2..3ebd77206f98 100644 --- a/tools/testing/selftests/bpf/DENYLIST.s390x +++ b/tools/testing/selftests/bpf/DENYLIST.s390x @@ -1,9 +1,5 @@ # TEMPORARY # Alphabetical order -exceptions # JIT does not support calling kfunc bpf_throw (exceptions) get_stack_raw_tp # user_stack corrupted user stack (no backchain userspace) stacktrace_build_id # compare_map_keys stackid_hmap vs. stackmap err -2 errno 2 (?) verifier_iterating_callbacks -verifier_arena # JIT does not support arena -arena_htab # JIT does not support arena -arena_atomics diff --git a/tools/testing/selftests/bpf/bpf_arena_common.h b/tools/testing/selftests/bpf/bpf_arena_common.h index 567491f3e1b5..68a51dcc0669 100644 --- a/tools/testing/selftests/bpf/bpf_arena_common.h +++ b/tools/testing/selftests/bpf/bpf_arena_common.h @@ -34,10 +34,12 @@ #if defined(__BPF_FEATURE_ADDR_SPACE_CAST) && !defined(BPF_ARENA_FORCE_ASM) #define __arena __attribute__((address_space(1))) +#define __arena_global __attribute__((address_space(1))) #define cast_kern(ptr) /* nop for bpf prog. emitted by LLVM */ #define cast_user(ptr) /* nop for bpf prog. emitted by LLVM */ #else #define __arena +#define __arena_global SEC(".addr_space.1") #define cast_kern(ptr) bpf_addr_space_cast(ptr, 0, 1) #define cast_user(ptr) bpf_addr_space_cast(ptr, 1, 0) #endif diff --git a/tools/testing/selftests/bpf/bpf_experimental.h b/tools/testing/selftests/bpf/bpf_experimental.h index 3d9e4b8c6b81..828556cdc2f0 100644 --- a/tools/testing/selftests/bpf/bpf_experimental.h +++ b/tools/testing/selftests/bpf/bpf_experimental.h @@ -163,7 +163,7 @@ struct bpf_iter_task_vma; extern int bpf_iter_task_vma_new(struct bpf_iter_task_vma *it, struct task_struct *task, - unsigned long addr) __ksym; + __u64 addr) __ksym; extern struct vm_area_struct *bpf_iter_task_vma_next(struct bpf_iter_task_vma *it) __ksym; extern void bpf_iter_task_vma_destroy(struct bpf_iter_task_vma *it) __ksym; @@ -351,6 +351,7 @@ l_true: \ l_continue:; \ }) #else +#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ #define can_loop \ ({ __label__ l_break, l_continue; \ bool ret = true; \ @@ -376,6 +377,33 @@ l_true: \ l_break: break; \ l_continue:; \ }) +#else +#define can_loop \ + ({ __label__ l_break, l_continue; \ + bool ret = true; \ + asm volatile goto("1:.byte 0xe5; \ + .byte 0; \ + .long (((%l[l_break] - 1b - 8) / 8) & 0xffff) << 16; \ + .short 0" \ + :::: l_break); \ + goto l_continue; \ + l_break: ret = false; \ + l_continue:; \ + ret; \ + }) + +#define cond_break \ + ({ __label__ l_break, l_continue; \ + asm volatile goto("1:.byte 0xe5; \ + .byte 0; \ + .long (((%l[l_break] - 1b - 8) / 8) & 0xffff) << 16; \ + .short 0" \ + :::: l_break); \ + goto l_continue; \ + l_break: break; \ + l_continue:; \ + }) +#endif #endif #ifndef bpf_nop_mov @@ -524,7 +552,7 @@ extern void bpf_iter_css_destroy(struct bpf_iter_css *it) __weak __ksym; extern int bpf_wq_init(struct bpf_wq *wq, void *p__map, unsigned int flags) __weak __ksym; extern int bpf_wq_start(struct bpf_wq *wq, unsigned int flags) __weak __ksym; extern int bpf_wq_set_callback_impl(struct bpf_wq *wq, - int (callback_fn)(void *map, int *key, struct bpf_wq *wq), + int (callback_fn)(void *map, int *key, void *value), unsigned int flags__k, void *aux__ign) __ksym; #define bpf_wq_set_callback(timer, cb, flags) \ bpf_wq_set_callback_impl(timer, cb, flags, NULL) diff --git a/tools/testing/selftests/bpf/bpf_kfuncs.h b/tools/testing/selftests/bpf/bpf_kfuncs.h index be91a6919315..3b6675ab4086 100644 --- a/tools/testing/selftests/bpf/bpf_kfuncs.h +++ b/tools/testing/selftests/bpf/bpf_kfuncs.h @@ -77,5 +77,5 @@ extern int bpf_verify_pkcs7_signature(struct bpf_dynptr *data_ptr, struct bpf_key *trusted_keyring) __ksym; extern bool bpf_session_is_return(void) __ksym __weak; -extern long *bpf_session_cookie(void) __ksym __weak; +extern __u64 *bpf_session_cookie(void) __ksym __weak; #endif diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c index 0a09732cde4b..f8962a1dd397 100644 --- a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c +++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c @@ -53,6 +53,13 @@ struct bpf_testmod_struct_arg_4 { int b; }; +struct bpf_testmod_struct_arg_5 { + char a; + short b; + int c; + long d; +}; + __bpf_hook_start(); noinline int @@ -111,6 +118,15 @@ bpf_testmod_test_struct_arg_8(u64 a, void *b, short c, int d, void *e, } noinline int +bpf_testmod_test_struct_arg_9(u64 a, void *b, short c, int d, void *e, char f, + short g, struct bpf_testmod_struct_arg_5 h, long i) +{ + bpf_testmod_test_struct_arg_result = a + (long)b + c + d + (long)e + + f + g + h.a + h.b + h.c + h.d + i; + return bpf_testmod_test_struct_arg_result; +} + +noinline int bpf_testmod_test_arg_ptr_to_struct(struct bpf_testmod_struct_arg_1 *a) { bpf_testmod_test_struct_arg_result = a->a; return bpf_testmod_test_struct_arg_result; @@ -154,6 +170,42 @@ __bpf_kfunc void bpf_kfunc_common_test(void) { } +__bpf_kfunc void bpf_kfunc_dynptr_test(struct bpf_dynptr *ptr, + struct bpf_dynptr *ptr__nullable) +{ +} + +__bpf_kfunc struct bpf_testmod_ctx * +bpf_testmod_ctx_create(int *err) +{ + struct bpf_testmod_ctx *ctx; + + ctx = kzalloc(sizeof(*ctx), GFP_ATOMIC); + if (!ctx) { + *err = -ENOMEM; + return NULL; + } + refcount_set(&ctx->usage, 1); + + return ctx; +} + +static void testmod_free_cb(struct rcu_head *head) +{ + struct bpf_testmod_ctx *ctx; + + ctx = container_of(head, struct bpf_testmod_ctx, rcu); + kfree(ctx); +} + +__bpf_kfunc void bpf_testmod_ctx_release(struct bpf_testmod_ctx *ctx) +{ + if (!ctx) + return; + if (refcount_dec_and_test(&ctx->usage)) + call_rcu(&ctx->rcu, testmod_free_cb); +} + struct bpf_testmod_btf_type_tag_1 { int a; }; @@ -269,6 +321,7 @@ bpf_testmod_test_read(struct file *file, struct kobject *kobj, struct bpf_testmod_struct_arg_2 struct_arg2 = {2, 3}; struct bpf_testmod_struct_arg_3 *struct_arg3; struct bpf_testmod_struct_arg_4 struct_arg4 = {21, 22}; + struct bpf_testmod_struct_arg_5 struct_arg5 = {23, 24, 25, 26}; int i = 1; while (bpf_testmod_return_ptr(i)) @@ -283,6 +336,8 @@ bpf_testmod_test_read(struct file *file, struct kobject *kobj, (void *)20, struct_arg4); (void)bpf_testmod_test_struct_arg_8(16, (void *)17, 18, 19, (void *)20, struct_arg4, 23); + (void)bpf_testmod_test_struct_arg_9(16, (void *)17, 18, 19, (void *)20, + 21, 22, struct_arg5, 27); (void)bpf_testmod_test_arg_ptr_to_struct(&struct_arg1_2); @@ -363,8 +418,15 @@ BTF_ID_FLAGS(func, bpf_iter_testmod_seq_new, KF_ITER_NEW) BTF_ID_FLAGS(func, bpf_iter_testmod_seq_next, KF_ITER_NEXT | KF_RET_NULL) BTF_ID_FLAGS(func, bpf_iter_testmod_seq_destroy, KF_ITER_DESTROY) BTF_ID_FLAGS(func, bpf_kfunc_common_test) +BTF_ID_FLAGS(func, bpf_kfunc_dynptr_test) +BTF_ID_FLAGS(func, bpf_testmod_ctx_create, KF_ACQUIRE | KF_RET_NULL) +BTF_ID_FLAGS(func, bpf_testmod_ctx_release, KF_RELEASE) BTF_KFUNCS_END(bpf_testmod_common_kfunc_ids) +BTF_ID_LIST(bpf_testmod_dtor_ids) +BTF_ID(struct, bpf_testmod_ctx) +BTF_ID(func, bpf_testmod_ctx_release) + static const struct btf_kfunc_id_set bpf_testmod_common_kfunc_set = { .owner = THIS_MODULE, .set = &bpf_testmod_common_kfunc_ids, @@ -898,6 +960,12 @@ extern int bpf_fentry_test1(int a); static int bpf_testmod_init(void) { + const struct btf_id_dtor_kfunc bpf_testmod_dtors[] = { + { + .btf_id = bpf_testmod_dtor_ids[0], + .kfunc_btf_id = bpf_testmod_dtor_ids[1] + }, + }; int ret; ret = register_btf_kfunc_id_set(BPF_PROG_TYPE_UNSPEC, &bpf_testmod_common_kfunc_set); @@ -906,6 +974,9 @@ static int bpf_testmod_init(void) ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_SYSCALL, &bpf_testmod_kfunc_set); ret = ret ?: register_bpf_struct_ops(&bpf_bpf_testmod_ops, bpf_testmod_ops); ret = ret ?: register_bpf_struct_ops(&bpf_testmod_ops2, bpf_testmod_ops2); + ret = ret ?: register_btf_id_dtor_kfuncs(bpf_testmod_dtors, + ARRAY_SIZE(bpf_testmod_dtors), + THIS_MODULE); if (ret < 0) return ret; if (bpf_fentry_test1(0) < 0) diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod_kfunc.h b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod_kfunc.h index b0d586a6751f..e587a79f2239 100644 --- a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod_kfunc.h +++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod_kfunc.h @@ -80,6 +80,11 @@ struct sendmsg_args { int msglen; }; +struct bpf_testmod_ctx { + struct callback_head rcu; + refcount_t usage; +}; + struct prog_test_ref_kfunc * bpf_kfunc_call_test_acquire(unsigned long *scalar_ptr) __ksym; void bpf_kfunc_call_test_release(struct prog_test_ref_kfunc *p) __ksym; @@ -134,4 +139,9 @@ int bpf_kfunc_call_sock_sendmsg(struct sendmsg_args *args) __ksym; int bpf_kfunc_call_kernel_getsockname(struct addr_args *args) __ksym; int bpf_kfunc_call_kernel_getpeername(struct addr_args *args) __ksym; +void bpf_kfunc_dynptr_test(struct bpf_dynptr *ptr, struct bpf_dynptr *ptr__nullable) __ksym; + +struct bpf_testmod_ctx *bpf_testmod_ctx_create(int *err) __ksym; +void bpf_testmod_ctx_release(struct bpf_testmod_ctx *ctx) __ksym; + #endif /* _BPF_TESTMOD_KFUNC_H */ diff --git a/tools/testing/selftests/bpf/config b/tools/testing/selftests/bpf/config index 2fb16da78dce..5291e97df749 100644 --- a/tools/testing/selftests/bpf/config +++ b/tools/testing/selftests/bpf/config @@ -83,6 +83,19 @@ CONFIG_NF_CONNTRACK_MARK=y CONFIG_NF_CONNTRACK_ZONES=y CONFIG_NF_DEFRAG_IPV4=y CONFIG_NF_DEFRAG_IPV6=y +CONFIG_NF_TABLES=y +CONFIG_NF_TABLES_INET=y +CONFIG_NF_TABLES_NETDEV=y +CONFIG_NF_TABLES_IPV4=y +CONFIG_NF_TABLES_IPV6=y +CONFIG_NETFILTER_INGRESS=y +CONFIG_NF_FLOW_TABLE=y +CONFIG_NF_FLOW_TABLE_INET=y +CONFIG_NETFILTER_NETLINK=y +CONFIG_NFT_FLOW_OFFLOAD=y +CONFIG_IP_NF_IPTABLES=y +CONFIG_IP6_NF_IPTABLES=y +CONFIG_IP6_NF_FILTER=y CONFIG_NF_NAT=y CONFIG_RC_CORE=y CONFIG_SECURITY=y diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c index e20caef06aae..44c2c8fa542a 100644 --- a/tools/testing/selftests/bpf/network_helpers.c +++ b/tools/testing/selftests/bpf/network_helpers.c @@ -249,6 +249,34 @@ error_close: return -1; } +int client_socket(int family, int type, + const struct network_helper_opts *opts) +{ + int fd; + + if (!opts) + opts = &default_opts; + + fd = socket(family, type, opts->proto); + if (fd < 0) { + log_err("Failed to create client socket"); + return -1; + } + + if (settimeo(fd, opts->timeout_ms)) + goto error_close; + + if (opts->post_socket_cb && + opts->post_socket_cb(fd, opts->cb_opts)) + goto error_close; + + return fd; + +error_close: + save_errno_close(fd); + return -1; +} + static int connect_fd_to_addr(int fd, const struct sockaddr_storage *addr, socklen_t addrlen, const bool must_fail) @@ -284,15 +312,12 @@ int connect_to_addr(int type, const struct sockaddr_storage *addr, socklen_t add if (!opts) opts = &default_opts; - fd = socket(addr->ss_family, type, opts->proto); + fd = client_socket(addr->ss_family, type, opts); if (fd < 0) { log_err("Failed to create client socket"); return -1; } - if (settimeo(fd, opts->timeout_ms)) - goto error_close; - if (connect_fd_to_addr(fd, addr, addrlen, opts->must_fail)) goto error_close; @@ -303,65 +328,21 @@ error_close: return -1; } -int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts) +int connect_to_fd_opts(int server_fd, int type, const struct network_helper_opts *opts) { struct sockaddr_storage addr; - struct sockaddr_in *addr_in; - socklen_t addrlen, optlen; - int fd, type, protocol; + socklen_t addrlen; if (!opts) opts = &default_opts; - optlen = sizeof(type); - - if (opts->type) { - type = opts->type; - } else { - if (getsockopt(server_fd, SOL_SOCKET, SO_TYPE, &type, &optlen)) { - log_err("getsockopt(SOL_TYPE)"); - return -1; - } - } - - if (opts->proto) { - protocol = opts->proto; - } else { - if (getsockopt(server_fd, SOL_SOCKET, SO_PROTOCOL, &protocol, &optlen)) { - log_err("getsockopt(SOL_PROTOCOL)"); - return -1; - } - } - addrlen = sizeof(addr); if (getsockname(server_fd, (struct sockaddr *)&addr, &addrlen)) { log_err("Failed to get server addr"); return -1; } - addr_in = (struct sockaddr_in *)&addr; - fd = socket(addr_in->sin_family, type, protocol); - if (fd < 0) { - log_err("Failed to create client socket"); - return -1; - } - - if (settimeo(fd, opts->timeo |