#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
#include <linux/highmem.h>
#define TEMP_FILE_NAME "temp_file.txt"
static int pid = 0; // 进程ID
static char *temp_data = NULL; // 用于存储进程内存页面内容的临时缓冲区
static int open_temp_file(struct file *filp) {
filp = filp_open(TEMP_FILE_NAME, O_WRONLY | O_CREAT, 0644);
if (IS_ERR(filp)) {
printk(KERN_ERR "Failed to open temp file\n");
return PTR_ERR(filp);
}
return 0;
}
static void close_temp_file(struct file *filp) {
filp_close(filp, NULL);
}
static int dump_process_memory(void) {
struct task_struct *task;
struct mm_struct *mm;
struct vm_area_struct *vma;
int ret = -1;
struct file *filp = NULL;
unsigned long addr;
task = pid_task(find_vpid(pid), PIDTYPE_PID);
if (task == NULL) {
printk(KERN_ERR "Invalid process ID\n");
return -ESRCH;
}
mm = task->mm;
if (mm == NULL) {
printk(KERN_ERR "No memory map found for the process\n");
return -EINVAL;
}
filp = open_temp_file(filp);
if (IS_ERR(filp)) {
return PTR_ERR(filp);
}
for (vma = mm->mmap; vma; vma = vma->vm_next) {
for (addr = vma->vm_start; addr < vma->vm_end; addr += PAGE_SIZE) {
struct page *page;
char *data;
int i;
page = get_user_pages(task, mm, addr, 0, 1, 0,&vma, NULL);
if (IS_ERR(page)) {
printk(KERN_ERR "Failed to get user pages\n");
ret = PTR_ERR(page);
goto out;
}
for (i = 0; i < PAGE_SIZE; i++) {
if (data[i] != 0) {
// 写入数据到文件
kernel_write(filp, &data[i], 1, &filp->f_pos);
}
}
kunmap(page);
}
}
ret = 0;
out:
if (filp) {
close_temp_file(filp);
}
return ret;
}
static int __init csi_dump_pdata_init(void) {
// 设置进程ID
pid = 1234; // 请将1234替换为您要操作的进程ID
// 执行转储进程内存操作
if (dump_process_memory() != 0) {
printk(KERN_ERR "Failed to dump process memory\n");
}
return 0;
}
static void __exit csi_dump_pdata_exit(void) {
// 清理操作
}
module_init(csi_dump_pdata_init);
module_exit(csi_dump_pdata_exit);
错误:
/root/AAAAA/csi_dump_pdata.c:58:20: error: too many arguments to function ‘get_user_pages’
page = get_user_pages(task, mm, addr, 0, 1, 0,&vma, NULL);
这个错误要怎么修改,上下还有警告,都是这一句的警告,求帮忙修改