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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-10-19 08:30:35 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-10-19 08:30:35 +0200 |
| commit | eb6d938ffa486dd89331cbfa2137038df6c912d2 (patch) | |
| tree | 2e2b57d0495113db52c491da2d3c7717bce71143 | |
| parent | fa520c47eaa15b9baa8ad66ac18da4a31679693b (diff) | |
| parent | a3671a4f973ee9d9621d60166cc3b037c397d604 (diff) | |
| download | linux-coc-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.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/core/ucma.c | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index faa9e6116b2f97..73332b9a25b544 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 21863ddde63e30..01d68ed46c1b6c 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; |