aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-19 08:30:35 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-19 08:30:35 +0200
commiteb6d938ffa486dd89331cbfa2137038df6c912d2 (patch)
tree2e2b57d0495113db52c491da2d3c7717bce71143
parentfa520c47eaa15b9baa8ad66ac18da4a31679693b (diff)
parenta3671a4f973ee9d9621d60166cc3b037c397d604 (diff)
downloadlinux-stericsson-eb6d938ffa486dd89331cbfa2137038df6c912d2.tar.gz
Merge tag 'for-gkh' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Doug writes: "Really final for-rc pull request for 4.19 Ok, so last week I thought we had sent our final pull request for 4.19. Well, wouldn't ya know someone went and found a couple Spectre v1 fixes were needed :-/. So, a couple *very* small specter patches for this (hopefully) final -rc week." * tag 'for-gkh' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/ucma: Fix Spectre v1 vulnerability IB/ucm: Fix Spectre v1 vulnerability
-rw-r--r--drivers/infiniband/core/ucm.c3
-rw-r--r--drivers/infiniband/core/ucma.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index faa9e6116b2f..73332b9a25b5 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -46,6 +46,8 @@
#include <linux/mutex.h>
#include <linux/slab.h>
+#include <linux/nospec.h>
+
#include <linux/uaccess.h>
#include <rdma/ib.h>
@@ -1120,6 +1122,7 @@ static ssize_t ib_ucm_write(struct file *filp, const char __user *buf,
if (hdr.cmd >= ARRAY_SIZE(ucm_cmd_table))
return -EINVAL;
+ hdr.cmd = array_index_nospec(hdr.cmd, ARRAY_SIZE(ucm_cmd_table));
if (hdr.in + sizeof(hdr) > len)
return -EINVAL;
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 21863ddde63e..01d68ed46c1b 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -44,6 +44,8 @@
#include <linux/module.h>
#include <linux/nsproxy.h>
+#include <linux/nospec.h>
+
#include <rdma/rdma_user_cm.h>
#include <rdma/ib_marshall.h>
#include <rdma/rdma_cm.h>
@@ -1676,6 +1678,7 @@ static ssize_t ucma_write(struct file *filp, const char __user *buf,
if (hdr.cmd >= ARRAY_SIZE(ucma_cmd_table))
return -EINVAL;
+ hdr.cmd = array_index_nospec(hdr.cmd, ARRAY_SIZE(ucma_cmd_table));
if (hdr.in + sizeof(hdr) > len)
return -EINVAL;