1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index 6df410c77264..7d5a43cb0d5c 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -422,6 +422,8 @@ static int ecryptfs_prepare_write(struct file *file, struct page *page,
                                 goto out;
                         }
                 }
+                if (end_of_prev_pg_pos + 1 > i_size_read(page->mapping->host))
+                        zero_user_page(page, 0, PAGE_CACHE_SIZE, KM_USER0);
         }
 out:
         return rc;