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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-21 16:46:08 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-21 16:46:08 +0100
commitcd6a22310ec2a70092e136d0cd65bb77c1502521 (patch)
treec01fa788b27b240c7b426d7f329d92bd58c7b8f5 /fs/aio.c
parent1e12a521d6917004f8b95a3b5864b92edc2694c8 (diff)
parent177c459b08a34dcf004aa9a4c1f1d8be682ff3af (diff)
Merge USB 4.20-rc8 mergepoint into usb-next
We need the USB changes in here for additional patches to be able to apply cleanly. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 97f983592925..aac9659381d2 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -45,6 +45,7 @@
#include <asm/kmap_types.h>
#include <linux/uaccess.h>
+#include <linux/nospec.h>
#include "internal.h"
@@ -1038,6 +1039,7 @@ 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))