File: test_snprintf_single.c

package info (click to toggle)
linux 6.17.9-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,734,892 kB
  • sloc: ansic: 26,684,085; asm: 271,195; sh: 147,401; python: 75,980; makefile: 57,306; perl: 36,943; xml: 19,562; cpp: 5,899; yacc: 4,909; lex: 2,943; awk: 1,556; sed: 29; ruby: 25
file content (20 lines) | stat: -rw-r--r-- 414 bytes parent folder | download | duplicates (26) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2021 Google LLC. */

#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>

/* The format string is filled from the userspace such that loading fails */
const char fmt[10];

SEC("raw_tp/sys_enter")
int handler(const void *ctx)
{
	unsigned long long arg = 42;

	bpf_snprintf(NULL, 0, fmt, &arg, sizeof(arg));

	return 0;
}

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