[088/152] inotify: stop kernel memory leak on file creation failure

Greg KH
2011-01-06T00:45:31Z

From: Eric Paris <eparis@redhat.com>

commit a2ae4cc9a16e211c8a128ba10d22a85431f093ab upstream.

If inotify_init is unable to allocate a new file for the new inotify
group we leak the new group. This patch drops the reference on the
group on file allocation failure.

Reported-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
fs/notify/inotify/inotify_user.c | 1 +
1 file changed, 1 insertion(+)

--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -751,6 +751,7 @@ SYSCALL_DEFINE1(inotify_init1, int, flag
if (ret >= 0)
return ret;

+ fsnotify_put_group(group);
atomic_dec(&user->inotify_devs);
out_free_uid:
free_uid(user);