* in /proc for a task before it execs a suid executable.
*/
-
-/* Worst case buffer size needed for holding an integer. */
-#define PROC_NUMBUF 13
-
struct pid_entry {
char *name;
int len;
(task == current || \
(task->parent == current && \
(task->ptrace & PT_PTRACED) && \
- (task->state == TASK_STOPPED || task->state == TASK_TRACED) && \
+ (task_is_stopped_or_traced(task)) && \
security_ptrace(current,task) == 0))
struct mm_struct *mm_for_maps(struct task_struct *task)
}
#endif
-static loff_t mem_lseek(struct file * file, loff_t offset, int orig)
+loff_t mem_lseek(struct file *file, loff_t offset, int orig)
{
switch (orig) {
case 0:
.write = oom_adjust_write,
};
-#ifdef CONFIG_MMU
-static ssize_t clear_refs_write(struct file *file, const char __user *buf,
- size_t count, loff_t *ppos)
-{
- struct task_struct *task;
- char buffer[PROC_NUMBUF], *end;
- struct mm_struct *mm;
-
- memset(buffer, 0, sizeof(buffer));
- if (count > sizeof(buffer) - 1)
- count = sizeof(buffer) - 1;
- if (copy_from_user(buffer, buf, count))
- return -EFAULT;
- if (!simple_strtol(buffer, &end, 0))
- return -EINVAL;
- if (*end == '\n')
- end++;
- task = get_proc_task(file->f_path.dentry->d_inode);
- if (!task)
- return -ESRCH;
- mm = get_task_mm(task);
- if (mm) {
- clear_refs_smap(mm);
- mmput(mm);
- }
- put_task_struct(task);
- if (end - buffer == 0)
- return -EIO;
- return end - buffer;
-}
-
-static struct file_operations proc_clear_refs_operations = {
- .write = clear_refs_write,
-};
-#endif
-
#ifdef CONFIG_AUDITSYSCALL
#define TMPBUFLEN 21
static ssize_t proc_loginuid_read(struct file * file, char __user * buf,
if (!task)
return -ESRCH;
length = scnprintf(tmpbuf, TMPBUFLEN, "%u",
- audit_get_loginuid(task->audit_context));
+ audit_get_loginuid(task));
put_task_struct(task);
return simple_read_from_buffer(buf, count, ppos, tmpbuf, length);
}
LNK("exe", exe),
REG("mounts", S_IRUGO, mounts),
REG("mountstats", S_IRUSR, mountstats),
-#ifdef CONFIG_MMU
+#ifdef CONFIG_PROC_PAGE_MONITOR
REG("clear_refs", S_IWUSR, clear_refs),
REG("smaps", S_IRUGO, smaps),
+ REG("pagemap", S_IRUSR, pagemap),
#endif
#ifdef CONFIG_SECURITY
DIR("attr", S_IRUGO|S_IXUGO, attr_dir),
LNK("root", root),
LNK("exe", exe),
REG("mounts", S_IRUGO, mounts),
-#ifdef CONFIG_MMU
+#ifdef CONFIG_PROC_PAGE_MONITOR
REG("clear_refs", S_IWUSR, clear_refs),
REG("smaps", S_IRUGO, smaps),
+ REG("pagemap", S_IRUSR, pagemap),
#endif
#ifdef CONFIG_SECURITY
DIR("attr", S_IRUGO|S_IXUGO, attr_dir),