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authorOtavio Salvador <otavio@ossystems.com.br>2019-03-28 10:47:24 -0300
committerGitHub <noreply@github.com>2019-03-28 10:47:24 -0300
commit0a8ab17689e628c84a666195bfc6ab85d11cf057 (patch)
tree01630dc4a6935df99bf7d11d34ff8d384fed86e2 /fs/aio.c
parent1e71d8c630cbc0d1f5d762fd019690b5cdb880ae (diff)
parent32aca03c2ce868d3412da0bb6ce6798c7bea357e (diff)
Merge pull request #46 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'fs/aio.c')
-rw-r--r--fs/aio.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/aio.c b/fs/aio.c
index b1170a7affe2..c3fc80294397 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -40,6 +40,7 @@
#include <linux/ramfs.h>
#include <linux/percpu-refcount.h>
#include <linux/mount.h>
+#include <linux/nospec.h>
#include <asm/kmap_types.h>
#include <asm/uaccess.h>
@@ -1071,6 +1072,7 @@ static struct kioctx *lookup_ioctx(unsigned long ctx_id)
if (!table || id >= table->nr)
goto out;
+ id = array_index_nospec(id, table->nr);
ctx = rcu_dereference(table->table[id]);
if (ctx && ctx->user_id == ctx_id) {
if (percpu_ref_tryget_live(&ctx->users))