// 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";