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| // SPDX-License-Identifier: GPL-2.0
|
| #include <linux/bpf.h>
| #include <bpf/bpf_helpers.h>
|
| #define MAX_STACK_RAWTP 10
|
| SEC("raw_tracepoint/sys_enter")
| int bpf_prog2(void *ctx)
| {
| __u64 stack[MAX_STACK_RAWTP];
| int error;
|
| /* set all the flags which should return -EINVAL */
| error = bpf_get_stack(ctx, stack, 0, -1);
| if (error < 0)
| goto loop;
|
| return error;
| loop:
| while (1) {
| error++;
| }
| }
|
| char _license[] SEC("license") = "GPL";
|
|
