From 5d1212457ad2bf120db14feb223b302687fbed01 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Tue, 20 Feb 2018 13:53:52 +0000 Subject: [PATCH 034/131] Revert "UBUNTU: SAUCE: fs: prevent speculative execution" CVE-2017-5753 (revert embargoed) CVE-2017-5715 (revert embargoed) This reverts commit 506014d031bce5afffd7dbb0a4cd93395968c7e4. Signed-off-by: Andy Whitcroft --- include/linux/fdtable.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h index 9a1f8255bcd0..085197bd8812 100644 --- a/include/linux/fdtable.h +++ b/include/linux/fdtable.h @@ -79,10 +79,8 @@ static inline struct file * fcheck_files(struct files_struct *files, unsigned in struct file * file = NULL; struct fdtable *fdt = files_fdtable(files); - if (fd < fdt->max_fds) { - gmb(); + if (fd < fdt->max_fds) file = rcu_dereference_check_fdtable(files, fdt->fd[fd]); - } return file; } -- 2.15.1