patch-2.4.0-test8 linux/fs/ncpfs/dir.c

• Lines: 10
• Date: Thu Sep 7 08:43:49 2000
• Orig file: v2.4.0-test7/linux/fs/ncpfs/dir.c
• Orig date: Wed Aug 23 18:36:38 2000

diff -u --recursive --new-file v2.4.0-test7/linux/fs/ncpfs/dir.c linux/fs/ncpfs/dir.c
@@ -342,7 +342,8 @@
 		goto bad_addr;
 	if ((dent_addr & ~align_mask) != dent_addr)
 		goto bad_align;
-	if (!kern_addr_valid(dent_addr))
+	if ((!kern_addr_valid(dent_addr)) || (!kern_addr_valid(dent_addr -1 +
+						sizeof(struct dentry))))
 		goto bad_addr;
 	/*
 	 * Looks safe enough to dereference ...