tools/testing/selftests/bpf/progs/test_global_func17.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/bpf/progs/test_global_func17.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/progs/test_global_func17.c
Extension
.c
Size
350 bytes
Lines
20
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
#include <vmlinux.h>
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"

__noinline int foo(int *p)
{
	barrier_var(p);
	return p ? (*p = 42) : 0;
}

const volatile int i;

SEC("tc")
__failure __msg("Caller passes invalid args into func#1")
int global_func17(struct __sk_buff *skb)
{
	return foo((int *)&i);
}

Annotation

Implementation Notes