From 6a27e396ebb149fc47baccc1957a7a9dd70049a7 Mon Sep 17 00:00:00 2001 From: Juan Vazquez Date: Wed, 5 Jan 2022 11:27:46 -0800 Subject: [PATCH] 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: Juan Vazquez Link: https://lore.kernel.org/r/20220105192746.23046-1-juvazq@linux.microsoft.com Signed-off-by: Wei Liu --- drivers/hv/channel_mgmt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index 2829575..6037587 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -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) -- 2.7.4