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

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

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/progs/sock_destroy_prog_fail.c
Extension
.c
Size
480 bytes
Lines
23
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

#include "vmlinux.h"
#include <bpf/bpf_tracing.h>
#include <bpf/bpf_helpers.h>

#include "bpf_misc.h"

char _license[] SEC("license") = "GPL";

int bpf_sock_destroy(struct sock_common *sk) __ksym;

SEC("tp_btf/tcp_destroy_sock")
__failure __msg("calling kernel function bpf_sock_destroy is not allowed")
int BPF_PROG(trace_tcp_destroy_sock, struct sock *sk)
{
	/* should not load */
	bpf_sock_destroy((struct sock_common *)sk);

	return 0;
}

Annotation

Implementation Notes