patch-2.3.4 linux/mm/mmap.c

• Lines: 10
• Date: Mon May 24 08:56:53 1999
• Orig file: v2.3.3/linux/mm/mmap.c
• Orig date: Tue May 4 15:44:38 1999

diff -u --recursive --new-file v2.3.3/linux/mm/mmap.c linux/mm/mmap.c
@@ -185,6 +185,9 @@
 	if (len > TASK_SIZE || addr > TASK_SIZE-len)
 		return -EINVAL;
 
+	if (off & ~PAGE_MASK)
+		return -EINVAL;
+
 	/* offset overflow? */
 	if (off + len < off)
 		return -EINVAL;