linux-kernel - Re: [PATCH] misc: vmw_vmci: initialize payload passed to vmci_send

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Message-ID: <YGVlzj5UAWkQVH8j@kroah.com>
Date:   Thu, 1 Apr 2021 08:18:54 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:     Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] misc: vmw_vmci: initialize payload passed to
 vmci_send_datagram()

On Thu, Apr 01, 2021 at 02:57:47PM +0900, Tetsuo Handa wrote:
> KMSAN complains that the vmci_use_ppn64() == false path in
> vmci_dbell_register_notification_bitmap() left upper 32bits of
> bitmap_set_msg.bitmap_ppn64 member uninitialized.
> 
> KMSAN also complains that vmci_check_host_caps() left the payload part
> of check_msg uninitialized.

So shouldn't this be two separate patches?

thanks,

greg k-h