Merge branch 'master' into upstream

1 files changed, 4 insertions, 0 deletions

diff --git a/fs/compat.c b/fs/compat.c
index 7f8e26ea427c..2e32bd340474 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1217,6 +1217,10 @@ static ssize_t compat_do_readv_writev(int type, struct file *file,
         if (ret < 0)
                 goto out;
 
+        ret = security_file_permission(file, type == READ ? MAY_READ:MAY_WRITE);
+        if (ret)
+                goto out;
+
         fnv = NULL;
         if (type == READ) {
                 fn = file->f_op->read;