APPLIED: [focal:azure-cvm][PATCH] UBUNTU: SAUCE: Drivers: hv: vmbus: Initialize request offers message for Isolation VM

[Marcelo Henrique Cerri]

Applied. Thanks!

On Fri, Jan 07, 2022 at 06:06:55PM -0300, Marcelo Henrique Cerri wrote:
> From: Juan Vazquez <juvazq at linux.microsoft.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/1956793
> 
> 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 at linux.microsoft.com>
> Link: https://lore.kernel.org/r/20220105192746.23046-1-juvazq@linux.microsoft.com
> Signed-off-by: Wei Liu <wei.liu at kernel.org>
> (cherry picked from commit 6a27e396ebb149fc47baccc1957a7a9dd70049a7
>  from git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git)
> Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri at canonical.com>
> ---
>  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 454244385424..3bb86d9e1dff 100644
> --- a/drivers/hv/channel_mgmt.c
> +++ b/drivers/hv/channel_mgmt.c
> @@ -1525,7 +1525,7 @@ 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)
> -- 
> 2.25.1
> 

-- 
Regards,
Marcelo

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