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

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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 <juvazq@linux.microsoft.com>
Link: https://lore.kernel.org/r/20220105192746.23046-1-juvazq@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Juan Vazquez 2022-01-05 11:27:46 -08:00 committed by Wei Liu
parent 0bd2fbee9d
commit 6a27e396eb
1 changed files with 1 additions and 1 deletions
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2
drivers/hv/channel_mgmt.c
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@ -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)