| /linux/tools/testing/selftests/bpf/progs/ |
| H A D | user_ringbuf_fail.c | 30 bad_access1(struct bpf_dynptr *dynptr, void *context) in bad_access1() argument
34 sample = bpf_dynptr_data(dynptr - 1, 0, sizeof(*sample)); in bad_access1()
35 bpf_printk("Was able to pass bad pointer %lx\n", (__u64)dynptr - 1); in bad_access1()
53 bad_access2(struct bpf_dynptr *dynptr, void *context) in bad_access2() argument
57 sample = bpf_dynptr_data(dynptr + 1, 0, sizeof(*sample)); in bad_access2()
58 bpf_printk("Was able to pass bad pointer %lx\n", (__u64)dynptr + 1); in bad_access2()
76 write_forbidden(struct bpf_dynptr *dynptr, void *context) in write_forbidden() argument
78 *((long *)dynptr) = 0; in write_forbidden()
96 null_context_write(struct bpf_dynptr *dynptr, void *context) in null_context_write() argument
116 null_context_read(struct bpf_dynptr *dynptr, void *context) in null_context_read() argument
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| H A D | file_reader.c | 37 struct bpf_dynptr dynptr; in on_open_expect_fault() local
49 if (bpf_dynptr_from_file(file, 0, &dynptr)) in on_open_expect_fault()
52 local_err = bpf_dynptr_read(tmp_buf, user_buf_sz, &dynptr, user_buf_sz, 0); in on_open_expect_fault()
58 bpf_dynptr_file_discard(&dynptr); in on_open_expect_fault()
118 struct bpf_dynptr dynptr; in validate_file_read() local
122 if (bpf_dynptr_from_file(file, 0, &dynptr)) in validate_file_read()
125 loc_err = verify_dynptr_read(&dynptr, 0, user_buf, user_buf_sz); in validate_file_read()
127 loc_err = loc_err ?: verify_dynptr_read(&dynptr, off, user_buf + off, user_buf_sz - off); in validate_file_read()
129 loc_err = loc_err ?: verify_dynptr_read(&dynptr, off, user_buf + off, user_buf_sz - off); in validate_file_read()
132 loc_err = loc_err ?: verify_dynptr_read(&dynptr, of in validate_file_read()
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| H A D | test_cls_redirect_dynptr.c | 125 static int pkt_parse_ipv4(struct bpf_dynptr *dynptr, __u64 *offset, struct iphdr *iphdr) in pkt_parse_ipv4() argument
127 if (bpf_dynptr_read(iphdr, sizeof(*iphdr), dynptr, *offset, 0)) in pkt_parse_ipv4()
142 static bool pkt_parse_icmp_l4_ports(struct bpf_dynptr *dynptr, __u64 *offset, flow_ports_t *ports) in pkt_parse_icmp_l4_ports() argument
144 if (bpf_dynptr_read(ports, sizeof(*ports), dynptr, *offset, 0)) in pkt_parse_icmp_l4_ports()
187 static bool pkt_skip_ipv6_extension_headers(struct bpf_dynptr *dynptr, __u64 *offset, in pkt_skip_ipv6_extension_headers() argument
215 if (bpf_dynptr_read(&exthdr, sizeof(exthdr), dynptr, *offset, 0)) in pkt_skip_ipv6_extension_headers()
244 static int pkt_parse_ipv6(struct bpf_dynptr *dynptr, __u64 *offset, struct ipv6hdr *ipv6, in pkt_parse_ipv6() argument
247 if (bpf_dynptr_read(ipv6, sizeof(*ipv6), dynptr, *offset, 0)) in pkt_parse_ipv6()
252 if (!pkt_skip_ipv6_extension_headers(dynptr, offset, ipv6, proto, is_fragment)) in pkt_parse_ipv6()
293 static ret_t forward_with_gre(struct __sk_buff *skb, struct bpf_dynptr *dynptr, in forward_with_gre() argument
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| H A D | file_reader_fail.c | 22 struct bpf_dynptr dynptr; in on_nanosleep_unreleased_ref() local
27 err = bpf_dynptr_from_file(file, 0, &dynptr); in on_nanosleep_unreleased_ref()
36 struct bpf_dynptr dynptr; in xdp_wrong_dynptr_type() local
38 bpf_dynptr_from_xdp(xdp, 0, &dynptr); in xdp_wrong_dynptr_type()
39 bpf_dynptr_file_discard(&dynptr); in xdp_wrong_dynptr_type()
48 struct bpf_dynptr dynptr; in xdp_no_dynptr_type() local
50 bpf_dynptr_file_discard(&dynptr); in xdp_no_dynptr_type()
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| H A D | user_ringbuf_success.c | 38 record_sample(struct bpf_dynptr *dynptr, void *context) in record_sample() argument
46 status = bpf_dynptr_read(&stack_sample, sizeof(stack_sample), dynptr, 0, 0); in record_sample()
53 sample = bpf_dynptr_data(dynptr, 0, sizeof(*sample)); in record_sample()
89 read_protocol_msg(struct bpf_dynptr *dynptr, void *context) in read_protocol_msg() argument
93 msg = bpf_dynptr_data(dynptr, 0, sizeof(*msg)); in read_protocol_msg()
193 do_nothing_cb(struct bpf_dynptr *dynptr, void *context) in do_nothing_cb() argument
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| H A D | verifier_iterating_callbacks.c | 134 static __u64 ringbuf_drain_cb(struct bpf_dynptr *dynptr, void *data) in ringbuf_drain_cb() argument
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| H A D | dynptr_fail.c | 128 /* Any dynptr initialized within a callback must have bpf_dynptr_put called */
137 /* Can't call bpf_ringbuf_submit/discard_dynptr on a non-initialized dynptr */
150 /* A dynptr can't be used after it has been invalidated */
152 __failure __msg("Expected an initialized dynptr as arg #2")
170 /* Can't call non-dynptr ringbuf APIs on a dynptr ringbuf sample */
185 /* invalid API use. need to use dynptr API to submit/discard */ in ringbuf_invalid_api()
193 /* Can't add a dynptr to a map */
211 /* Can't add a struct with an embedded dynptr to a map */
341 * This tests the case where the data slice tracks a dynptr (ptr
1973 global_call_bpf_dynptr(const struct bpf_dynptr * dynptr) global_call_bpf_dynptr() argument
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| /linux/kernel/bpf/ |
| H A D | ringbuf.c | 839 struct bpf_dynptr_kern dynptr; in BPF_CALL_4()
854 bpf_dynptr_init(&dynptr, sample, BPF_DYNPTR_TYPE_LOCAL, 0, size); in BPF_CALL_4()
855 ret = callback((uintptr_t)&dynptr, (uintptr_t)callback_ctx, 0, 0, 0); in BPF_CALL_4()
838 struct bpf_dynptr_kern dynptr; BPF_CALL_4() local
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| H A D | log.c | 730 verbose_a("type=%s", dynptr_type_str(reg->dynptr.type)); in print_reg_state()
806 verbose(env, "=dynptr_%s(", dynptr_type_str(reg->dynptr.type)); in print_verifier_state()
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| H A D | verifier.c | 862 if (!dynptr_type_refcounted(state->stack[spi].spilled_ptr.dynptr.type)) { in unmark_stack_slots_dynptr()
892 if (state->stack[i].spilled_ptr.dynptr.first_slot) in unmark_stack_slots_dynptr()
926 if (!state->stack[spi].spilled_ptr.dynptr.first_slot) in destroy_if_dynptr_stack_slot()
929 if (dynptr_type_refcounted(state->stack[spi].spilled_ptr.dynptr.type)) { in destroy_if_dynptr_stack_slot()
1009 if (!state->stack[spi].spilled_ptr.dynptr.first_slot) in is_dynptr_reg_valid_init()
1034 return reg->dynptr.type == dynptr_type; in is_dynptr_type_expected()
1039 return state->stack[spi].spilled_ptr.dynptr.type == dynptr_type; in is_dynptr_type_expected()
2255 reg->dynptr.type = type; in __mark_dynptr_reg()
2256 reg->dynptr.first_slot = first_slot; in __mark_dynptr_reg()
9734 return reg->dynptr.type; in dynptr_get_type()
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| H A D | helpers.c | 4443 __bpf_kfunc int bpf_dynptr_file_discard(struct bpf_dynptr *dynptr) in bpf_dynptr_file_discard() argument
4445 struct bpf_dynptr_kern *ptr = (struct bpf_dynptr_kern *)dynptr; in bpf_dynptr_file_discard()
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