test_get_stack_rawtp_err.c revision d2db08c7
1// SPDX-License-Identifier: GPL-2.0
2
3#include <linux/bpf.h>
4#include <bpf/bpf_helpers.h>
5
6#define MAX_STACK_RAWTP 10
7
8SEC("raw_tracepoint/sys_enter")
9int bpf_prog2(void *ctx)
10{
11	__u64 stack[MAX_STACK_RAWTP];
12	int error;
13
14	/* set all the flags which should return -EINVAL */
15	error = bpf_get_stack(ctx, stack, 0, -1);
16	if (error < 0)
17		goto loop;
18
19	return error;
20loop:
21	while (1) {
22		error++;
23	}
24}
25
26char _license[] SEC("license") = "GPL";
27