diff options
Diffstat (limited to 'fs/aio.c')
-rw-r--r-- | fs/aio.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -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> @@ -1063,6 +1064,7 @@ 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)) |