16 int pid, err, val;  variable
51 	err = bpf_dynptr_write(&ptr, 0, write_data, sizeof(write_data), 0);  in test_read_write()
54 	err = err ?: bpf_dynptr_read(read_data, sizeof(read_data), &ptr, 0, 0);  in test_read_write()
59 			err = 1;  in test_read_write()
85 		err = 1;  in test_dynptr_data()
94 		err = 2;  in test_dynptr_data()
101 		err = 3;  in test_dynptr_data()
107 		err = 4;  in test_dynptr_data()
113 	err = bpf_probe_read_kernel(&val, sizeof(val), data);  in test_dynptr_data()
114 	if (err)  in test_dynptr_data()
118 		err = 5;  in test_dynptr_data()
131 		err = 2;  in ringbuf_callback()
150 	err = bpf_ringbuf_reserve_dynptr(&ringbuf, val, 0, &ptr);  in test_ringbuf()
152 	sample = err ? NULL : bpf_dynptr_data(&ptr, 0, sizeof(*sample));  in test_ringbuf()
154 		err = 1;  in test_ringbuf()
164 		err = 2;  in test_ringbuf()
179 		err = 1;  in test_skb_readonly()
186 		err = 2;  in test_skb_readonly()
200 		err = 1;  in test_dynptr_skb_data()
207 		err = 2;  in test_dynptr_skb_data()
225 	err = bpf_ringbuf_reserve_dynptr(&ringbuf, bytes, 0, &ptr);  in test_adjust()
226 	if (err) {  in test_adjust()
227 		err = 1;  in test_adjust()
232 		err = 2;  in test_adjust()
237 	err = bpf_dynptr_adjust(&ptr, off, bpf_dynptr_size(&ptr));  in test_adjust()
238 	if (err) {  in test_adjust()
239 		err = 3;  in test_adjust()
244 		err = 4;  in test_adjust()
249 	err = bpf_dynptr_adjust(&ptr, off, 15);  in test_adjust()
250 	if (err) {  in test_adjust()
251 		err = 5;  in test_adjust()
257 		err = 6;  in test_adjust()
278 		err = 1;  in test_adjust_err()
284 		err = 2;  in test_adjust_err()
290 		err = 3;  in test_adjust_err()
296 		err = 4;  in test_adjust_err()
301 		err = 5;  in test_adjust_err()
309 		err = 6;  in test_adjust_err()
335 		err = 1;  in test_zero_size_dynptr()
341 		err = 2;  in test_zero_size_dynptr()
347 		err = 3;  in test_zero_size_dynptr()
352 		err = 4;  in test_zero_size_dynptr()
358 		err = 5;  in test_zero_size_dynptr()
363 		err = 6;  in test_zero_size_dynptr()
367 	err = 0;  in test_zero_size_dynptr()
386 		err = 1;  in test_dynptr_is_null()
392 		err = 2;  in test_dynptr_is_null()
398 		err = 3;  in test_dynptr_is_null()
404 		err = 4;  in test_dynptr_is_null()
424 		err = 1;  in test_dynptr_is_rdonly()
430 		err = 2;  in test_dynptr_is_rdonly()
436 		err = 3;  in test_dynptr_is_rdonly()
442 		err = 4;  in test_dynptr_is_rdonly()
448 		err = 5;  in test_dynptr_is_rdonly()
454 		err = 6;  in test_dynptr_is_rdonly()
472 		err = 1;  in test_dynptr_clone()
477 		err = 2;  in test_dynptr_clone()
483 		err = 3;  in test_dynptr_clone()
491 		err = 4;  in test_dynptr_clone()
496 		err = 5;  in test_dynptr_clone()
505 		err = 6;  in test_dynptr_clone()
519 		err = 1;  in test_dynptr_skb_no_buff()
536 		err = 1;  in test_dynptr_skb_strcmp()
558 		err = 1;  in BPF_PROG()
565 		err = 2;  in BPF_PROG()
595 	err = bpf_dynptr_write(&src, 0, data, sz, 0);  in test_dynptr_copy()
596 	err = err ?: bpf_dynptr_copy(&dst, 0, &src, 0, sz);  in test_dynptr_copy()
597 	err = err ?: bpf_dynptr_read(buf, sz, &dst, 0, 0);  in test_dynptr_copy()
598 	err = err ?: bpf_memcmp(data, buf, sz);  in test_dynptr_copy()
601 	err = err ?: bpf_dynptr_copy(&dst, 3, &src, 5, sz - 5);  in test_dynptr_copy()
602 	err = err ?: bpf_dynptr_read(buf, sz - 5, &dst, 3, 0);  in test_dynptr_copy()
603 	err = err ?: bpf_memcmp(data + 5, buf, sz - 5);  in test_dynptr_copy()
626 		err = bpf_dynptr_write(&ptr_buf, i * len, data, len, 0);  in test_dynptr_copy_xdp()
627 		if (err)  in test_dynptr_copy_xdp()
631 	err = bpf_dynptr_copy(&ptr_xdp, 0, &ptr_buf, 0, len * chunks);  in test_dynptr_copy_xdp()
632 	if (err)  in test_dynptr_copy_xdp()
637 		err = bpf_dynptr_read(&buf, len, &ptr_xdp, i * len, 0);  in test_dynptr_copy_xdp()
638 		if (err)  in test_dynptr_copy_xdp()
647 		err = bpf_dynptr_write(&ptr_buf, i * len, buf, len, 0);  in test_dynptr_copy_xdp()
648 		if (err)  in test_dynptr_copy_xdp()
652 	err = bpf_dynptr_copy(&ptr_buf, 0, &ptr_xdp, 0, len * chunks);  in test_dynptr_copy_xdp()
653 	if (err)  in test_dynptr_copy_xdp()
658 		err = bpf_dynptr_read(&buf, len, &ptr_buf, i * len, 0);  in test_dynptr_copy_xdp()
659 		if (err)  in test_dynptr_copy_xdp()
666 	err = bpf_dynptr_copy(&ptr_xdp, 2, &ptr_xdp, len, len * (chunks - 1));  in test_dynptr_copy_xdp()
667 	if (err)  in test_dynptr_copy_xdp()
672 		err = bpf_dynptr_read(&buf, len, &ptr_xdp, 2 + i * len, 0);  in test_dynptr_copy_xdp()
673 		if (err)  in test_dynptr_copy_xdp()
680 		err = 1;  in test_dynptr_copy_xdp()
696 	err = bpf_dynptr_from_mem(memset_zero_data, data_sz, 0, &ptr);  in test_dynptr_memset_zero()
697 	err = err ?: bpf_dynptr_memset(&ptr, 0, data_sz, 0);  in test_dynptr_memset_zero()
698 	err = err ?: bpf_memcmp(zeroes, memset_zero_data, data_sz);  in test_dynptr_memset_zero()
716 	err = bpf_dynptr_from_mem(memset_notzero_data, data_sz, 0, &ptr);  in test_dynptr_memset_notzero()
717 	err = err ?: bpf_dynptr_memset(&ptr, 0, data_sz, DYNPTR_MEMSET_VAL);  in test_dynptr_memset_notzero()
718 	err = err ?: bpf_memcmp(expected, memset_notzero_data, data_sz);  in test_dynptr_memset_notzero()
732 	err = bpf_dynptr_from_mem(memset_zero_offset_data, data_sz, 0, &ptr);  in test_dynptr_memset_zero_offset()
733 	err = err ?: bpf_dynptr_memset(&ptr, 8, 4, 0);  in test_dynptr_memset_zero_offset()
734 	err = err ?: bpf_memcmp(expected, memset_zero_offset_data, data_sz);  in test_dynptr_memset_zero_offset()
748 	err = bpf_dynptr_from_mem(memset_zero_adjusted_data, data_sz, 0, &ptr);  in test_dynptr_memset_zero_adjusted()
749 	err = err ?: bpf_dynptr_adjust(&ptr, 4, 8);  in test_dynptr_memset_zero_adjusted()
750 	err = err ?: bpf_dynptr_memset(&ptr, 0, bpf_dynptr_size(&ptr), 0);  in test_dynptr_memset_zero_adjusted()
751 	err = err ?: bpf_memcmp(expected, memset_zero_adjusted_data, data_sz);  in test_dynptr_memset_zero_adjusted()
765 	err = bpf_dynptr_from_mem(memset_overflow_data, data_sz, 0, &ptr);  in test_dynptr_memset_overflow()
768 		err = 1;  in test_dynptr_memset_overflow()
780 	err = bpf_dynptr_from_mem(memset_overflow_data, data_sz, 0, &ptr);  in test_dynptr_memset_overflow_offset()
783 		err = 1;  in test_dynptr_memset_overflow_offset()
794 	err = bpf_dynptr_from_skb(skb, 0, &ptr);  in test_dynptr_memset_readonly()
799 		err = 1;  in test_dynptr_memset_readonly()
825 	err = bpf_dynptr_memset(&ptr_xdp, 0, data_sz, DYNPTR_MEMSET_VAL);  in test_dynptr_memset_xdp_chunks()
826 	if (err) {  in test_dynptr_memset_xdp_chunks()
834 			err = 0;  in test_dynptr_memset_xdp_chunks()
843 		err = bpf_dynptr_read(&buf, chunk_sz, &ptr_xdp, offset, 0);  in test_dynptr_memset_xdp_chunks()
844 		if (err)  in test_dynptr_memset_xdp_chunks()
846 		err = bpf_memcmp(buf, expected_buf, sizeof(buf));  in test_dynptr_memset_xdp_chunks()
847 		if (err)  in test_dynptr_memset_xdp_chunks()
890 	err = bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(buf), 0, &ptr_buf);  in test_dynptr_probe()
895 		err = err ?: bpf_read_dynptr_fn(&ptr_buf, 0, test_len[i], ptr);  in test_dynptr_probe()
898 		err = err ?: bpf_dynptr_read(&buf, len, &ptr_buf, 0, 0);  in test_dynptr_probe()
900 		if (err || bpf_memcmp(expected_str, buf, len))  in test_dynptr_probe()
901 			err = 1;  in test_dynptr_probe()
905 		err = err ?: bpf_dynptr_write(&ptr_buf, 0, buf, len, 0);  in test_dynptr_probe()
927 			err = 1;  in test_dynptr_probe_str()
931 		err = err ?: bpf_dynptr_read(&buf, len, &ptr_buf, 0, 0);  in test_dynptr_probe_str()
934 		if (err || bpf_memcmp(expected_str, buf, len - 1) || buf[len - 1] != '\0')  in test_dynptr_probe_str()
935 			err = 1;  in test_dynptr_probe_str()
951 	err = bpf_dynptr_from_xdp(xdp, 0, &ptr_xdp);  in test_dynptr_probe_xdp()
956 		err = err ?: bpf_read_dynptr_fn(&ptr_xdp, off, len, ptr);  in test_dynptr_probe_xdp()
959 		err = err ?: bpf_dynptr_read(&buf, len, &ptr_xdp, off, 0);  in test_dynptr_probe_xdp()
960 		if (err || bpf_memcmp(expected_str, buf, len))  in test_dynptr_probe_xdp()
961 			err = 1;  in test_dynptr_probe_xdp()
964 		err = err ?: bpf_dynptr_write(&ptr_xdp, off, buf, len, 0);  in test_dynptr_probe_xdp()
979 	err = bpf_dynptr_from_xdp(xdp, 0, &ptr_xdp);  in test_dynptr_probe_str_xdp()
980 	if (err)  in test_dynptr_probe_str_xdp()
988 			err = 1;  in test_dynptr_probe_str_xdp()
992 		err = err ?: bpf_dynptr_read(&buf, len, &ptr_xdp, off, 0);  in test_dynptr_probe_str_xdp()
996 		if (err || bpf_memcmp(expected_str, buf, len - 1) || buf[len - 1] != '\0')  in test_dynptr_probe_str_xdp()
997 			err = 1;  in test_dynptr_probe_str_xdp()
1000 		err = err ?: bpf_dynptr_write(&ptr_xdp, off, buf, len, 0);  in test_dynptr_probe_str_xdp()
1008 	if (!err)  in test_probe_read_user_dynptr()
1017 	if (!err)  in test_probe_read_kernel_dynptr()
1026 	if (!err)  in test_probe_read_user_str_dynptr()
1035 	if (!err)  in test_probe_read_kernel_str_dynptr()