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Merge tag 'for-gkh' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

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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
This commit is contained in:
Greg Kroah-Hartman
2018-10-19 08:30:35 +02:00
parent fa520c47ea a3671a4f97
commit eb6d938ffa
2 changed files with 6 additions and 0 deletions
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3
drivers/infiniband/core/ucm.c
View File

@@ -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;

3
drivers/infiniband/core/ucma.c
View File

@@ -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;