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-rw-r--r--fs/compat.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/compat.c b/fs/compat.c
index 7f8e26e..2e32bd3 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;
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