[PATCH 5/9] hfsplus: Known exploit detection for CVE-2012-2319

[vegard . nossum]

From: Vegard Nossum <vegard.nos...@oracle.com>

See 6f24f892871acc47b40dd594c63606a17c714f77.

Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Signed-off-by: Vegard Nossum <vegard.nos...@oracle.com>
---
 fs/hfsplus/catalog.c |    2 ++
 fs/hfsplus/dir.c     |    3 +++
 2 files changed, 5 insertions(+)

diff --git a/fs/hfsplus/catalog.c b/fs/hfsplus/catalog.c
index 968ce41..5f47a1a 100644
--- a/fs/hfsplus/catalog.c
+++ b/fs/hfsplus/catalog.c
@@ -8,6 +8,7 @@
  * Handling of catalog records
  */
 
+#include <linux/exploit.h>
 
 #include "hfsplus_fs.h"
 #include "hfsplus_raw.h"
@@ -374,6 +375,7 @@ int hfsplus_rename_cat(u32 cnid,
        if (err)
                goto out;
        if (src_fd.entrylength > sizeof(entry) || src_fd.entrylength < 0) {
+               exploit("CVE-2012-2319");
                err = -EIO;
                goto out;
        }
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index 4a4fea0..2d5e283 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -9,6 +9,7 @@
  */
 
 #include <linux/errno.h>
+#include <linux/exploit.h>
 #include <linux/fs.h>
 #include <linux/slab.h>
 #include <linux/random.h>
@@ -152,6 +153,7 @@ static int hfsplus_readdir(struct file *file, struct 
dir_context *ctx)
        }
        if (ctx->pos == 1) {
                if (fd.entrylength > sizeof(entry) || fd.entrylength < 0) {
+                       exploit("CVE-2012-2319");
                        err = -EIO;
                        goto out;
                }
@@ -186,6 +188,7 @@ static int hfsplus_readdir(struct file *file, struct 
dir_context *ctx)
                }
 
                if (fd.entrylength > sizeof(entry) || fd.entrylength < 0) {
+                       exploit("CVE-2012-2319");
                        err = -EIO;
                        goto out;
                }
-- 
1.7.10.4

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