patch-pre2.0.13 linux/drivers/char/selection.c

• Lines: 11
• Date: Thu Jun 6 13:42:16 1996
• Orig file: pre2.0.12/linux/drivers/char/selection.c
• Orig date: Sun Mar 31 00:13:17 1996

diff -u --recursive --new-file pre2.0.12/linux/drivers/char/selection.c linux/drivers/char/selection.c
@@ -123,6 +123,10 @@
 
 	  args = (unsigned short *)(arg + 1);
 	  if (user) {
+	  	  int err;
+		  err = verify_area(VERIFY_READ, args, sizeof(short) * 5);
+		  if (err)
+		  	return err;
 		  xs = get_user(args++) - 1;
 		  ys = get_user(args++) - 1;
 		  xe = get_user(args++) - 1;