Commit 6a27e396 authored by Juan Vazquez's avatar Juan Vazquez Committed by Wei Liu
Browse files

Drivers: hv: vmbus: Initialize request offers message for Isolation VM 



Initialize memory of request offers message to be sent to the host so
padding or uninitialized fields do not leak guest memory contents.

Signed-off-by: default avatarJuan Vazquez <juvazq@linux.microsoft.com>
Link: https://lore.kernel.org/r/20220105192746.23046-1-juvazq@linux.microsoft.com


Signed-off-by: default avatarWei Liu <wei.liu@kernel.org>
parent 0bd2fbee

drivers/hv/channel_mgmt.c

+1 −1
Original line number Diff line number Diff line
@@ -1554,7 +1554,7 @@ int vmbus_request_offers(void) 
	struct vmbus_channel_msginfo *msginfo;

	int ret;



	msginfo = kmalloc(sizeof(*msginfo) +

	msginfo = kzalloc(sizeof(*msginfo) +

			  sizeof(struct vmbus_channel_message_header),

			  GFP_KERNEL);

	if (!msginfo)