X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=fs%2Fproc%2Fbase.c;h=dfa532730e55788a7459095ca9c788dbb58d6af9;hp=5a670c11aeacc85fd767a8383f45d39d6ac6ea7e;hb=d8bdc59f215e62098bc5b4256fd9928bf27053a1;hpb=d454f39f3ff3ee5a818c271026081a48a537bd41

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 5a670c11aeac..dfa532730e55 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -220,7 +220,7 @@ static struct mm_struct *__check_mem_permission(struct task_struct *task)
 	}
 
 	/*
-	 * Noone else is allowed.
+	 * No one else is allowed.
 	 */
 	mmput(mm);
 	return ERR_PTR(-EPERM);
@@ -3124,11 +3124,16 @@ static int proc_pid_fill_cache(struct file *filp, void *dirent, filldir_t filldi
 /* for the /proc/ directory itself, after non-process stuff has been done */
 int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir)
 {
-	unsigned int nr = filp->f_pos - FIRST_PROCESS_ENTRY;
-	struct task_struct *reaper = get_proc_task(filp->f_path.dentry->d_inode);
+	unsigned int nr;
+	struct task_struct *reaper;
 	struct tgid_iter iter;
 	struct pid_namespace *ns;
 
+	if (filp->f_pos >= PID_MAX_LIMIT + TGID_OFFSET)
+		goto out_no_task;
+	nr = filp->f_pos - FIRST_PROCESS_ENTRY;
+
+	reaper = get_proc_task(filp->f_path.dentry->d_inode);
 	if (!reaper)
 		goto out_no_task;