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Date:   Fri, 27 Apr 2018 19:02:05 +0300
From:   "Michael S. Tsirkin" <>
Cc:     Kevin Easton <>, Jason Wang <>,,,
Subject: [PATCH] vhost: make msg padding explicit

There's a 32 bit hole just after type. It's best to
give it a name, this way compiler is forced to initialize
it with rest of the structure.

Reported-by: Kevin Easton <>
Signed-off-by: Michael S. Tsirkin <>
 include/uapi/linux/vhost.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h
index c51f8e5..5a8ad06 100644
--- a/include/uapi/linux/vhost.h
+++ b/include/uapi/linux/vhost.h
@@ -68,6 +68,7 @@ struct vhost_iotlb_msg {
 struct vhost_msg {
 	int type;
+	int padding0;
 	union {
 		struct vhost_iotlb_msg iotlb;
 		__u8 padding[64];

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