linux-kernel - Re: [PATCH 1/1] misc/vmw_vmci: fix filling of the msg and msg_payload in dg

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Message-ID: <2024011040-unlaced-yo-yo-ff76@gregkh>
Date: Wed, 10 Jan 2024 11:54:42 +0100
From: Greg KH <gregkh@...uxfoundation.org>
To: kovalev@...linux.org
Cc: bryantan@...are.com, vdasa@...are.com, pv-drivers@...are.com,
	arnd@...db.de, linux-kernel@...r.kernel.org, nickel@...linux.org,
	oficerovas@...linux.org, dutyrok@...linux.org
Subject: Re: [PATCH 1/1] misc/vmw_vmci: fix filling of the msg and
 msg_payload in dg_info struct

On Wed, Jan 10, 2024 at 01:40:42PM +0300, kovalev@...linux.org wrote:
> From: Vasiliy Kovalev <kovalev@...linux.org>
> 
> Fix "detected field-spanning write" of memcpy warning that is issued by
> the tracking mechanism __fortify_memcpy_chk, added 2021-04-20
> (f68f2ff91512c199ec24883001245912afc17873 fortify: Detect struct member overflows in memcpy() at compile-time)

Please properly quote commits.

> Fixes: a110b7ebb9c674 ("VMCI: datagram implementation.")

It's not really a bug to be "fixed", right?  It's just a "shut up the
fortify checkers with this false-positive" type of thing.

Again, see the thread I pointed you at for this same discussion.

thanks,

greg k-h