Index: linux/arch/m68knommu/kernel/ptrace.c
===================================================================
RCS file: /home/cvs/new-wave/linux/arch/m68knommu/kernel/ptrace.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- linux/arch/m68knommu/kernel/ptrace.c	1999/11/22 03:47:36	1.1
+++ linux/arch/m68knommu/kernel/ptrace.c	2000/07/28 05:21:08	1.2
@@ -195,6 +195,9 @@
 			unsigned long tmp;
 			int res;
 
+			res = verify_area(VERIFY_READ, (void *) addr, sizeof(long));
+			if (res < 0)
+				return(res);
 			res = read_long(child, addr, &tmp);
 			if (res < 0)
 				return res;
@@ -237,8 +240,14 @@
 
       /* when I and D space are separate, this will have to be fixed. */
 		case PTRACE_POKETEXT: /* write the word at location addr. */
-		case PTRACE_POKEDATA:
+		case PTRACE_POKEDATA: {
+			int res;
+
+			res = verify_area(VERIFY_WRITE, (void *) addr, sizeof(long));
+			if (res < 0)
+				return(res);
 			return write_long(child,addr,data);
+		}
 
 		case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
 			if ((addr & 3) || addr < 0 || addr >= sizeof(struct user))