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Date: Fri, 10 Jul 2020 10:25:49 +0200
From: "Piotr P. Stefaniak" <pstef@freebsd.org>
Cc: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: Re: svn commit: r363068 - head/sys/kern
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> 	 */
>-	memcpy(sbp, &mp->mnt_stat, sizeof(*sbp));
>+	if (sbp != &mp->mnt_stat)
>+		memcpy(sbp, &mp->mnt_stat, sizeof(*sbp));
>

Slightly unrelated question: wouldn't it be prudent to incorporate this
logic into memcpy?