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Diffstat (limited to 'fs/notify/inotify/inotify_user.c')
-rw-r--r--fs/notify/inotify/inotify_user.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 0b815178126e..107537a543fd 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -30,6 +30,7 @@
#include <linux/poll.h>
#include <linux/wait.h>
#include <linux/memcontrol.h>
+#include <linux/security.h>
#include "inotify.h"
#include "../fdinfo.h"
@@ -331,7 +332,8 @@ static const struct file_operations inotify_fops = {
/*
* find_inode - resolve a user-given path to a specific inode
*/
-static int inotify_find_inode(const char __user *dirname, struct path *path, unsigned flags)
+static int inotify_find_inode(const char __user *dirname, struct path *path,
+ unsigned int flags, __u64 mask)
{
int error;
@@ -340,8 +342,15 @@ static int inotify_find_inode(const char __user *dirname, struct path *path, uns
return error;
/* you can only watch an inode if you have read permissions on it */
error = inode_permission(path->dentry->d_inode, MAY_READ);
+ if (error) {
+ path_put(path);
+ return error;
+ }
+ error = security_path_notify(path, mask,
+ FSNOTIFY_OBJ_TYPE_INODE);
if (error)
path_put(path);
+
return error;
}
@@ -733,7 +742,8 @@ SYSCALL_DEFINE3(inotify_add_watch, int, fd, const char __user *, pathname,
if (mask & IN_ONLYDIR)
flags |= LOOKUP_DIRECTORY;
- ret = inotify_find_inode(pathname, &path, flags);
+ ret = inotify_find_inode(pathname, &path, flags,
+ (mask & IN_ALL_EVENTS));
if (ret)
goto fput_and_out;