[PATCH 3/9] hfs: Known exploit detection for CVE-2011-4330

[vegard . nossum]

From: Vegard Nossum <vegard.nossum@xxxxxxxxxx>

See bc5b8a9003132ae44559edd63a1623b7b99dfb68.

Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Vegard Nossum <vegard.nossum@xxxxxxxxxx>
---
 fs/hfs/trans.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/hfs/trans.c b/fs/hfs/trans.c
index b1ce4c7..2fe83f0 100644
--- a/fs/hfs/trans.c
+++ b/fs/hfs/trans.c
@@ -11,6 +11,7 @@
 
 #include <linux/types.h>
 #include <linux/nls.h>
+#include <linux/exploit.h>
 
 #include "hfs_fs.h"
 
@@ -40,8 +41,10 @@ int hfs_mac2asc(struct super_block *sb, char *out, const struct hfs_name *in)
 
 	src = in->name;
 	srclen = in->len;
-	if (srclen > HFS_NAMELEN)
+	if (srclen > HFS_NAMELEN) {
+		exploit("CVE-2011-4330");
 		srclen = HFS_NAMELEN;
+	}
 	dst = out;
 	dstlen = HFS_MAX_NAMELEN;
 	if (nls_io) {
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/