From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 13F7F3C98AE for ; Mon, 8 Jun 2026 14:19:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780928380; cv=none; b=GfGgM6fmL6e8LsjPAZksC5TpzONOdXf8vDCKrZCB8irqtiJU44y999hAgSpGtl+pT0qADsaorvS4I1UyjGyI7zXxHFm2D4Ol2ysk4p2kSKu76orsWV27JLj3cEGfzAEe0gwRKKWFiMY8o5SiLdmdg0OBhozt9fDzN7ixpK/jHrA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780928380; c=relaxed/simple; bh=kBM6a5CZrIynDhrFKjkLJC3Au98q/nKeVE0HR49B+MQ=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=ZI5iAuqeG1EjLytSrAU2+EAuMJwvH/gK1AD17gy85Ur+KyJtQX7/7zaY5uyVckhDLJP3it8yXLohCRKHjY85uOd9TCiVWgdgUIB/+rz7LA0dkr6qtY/VHK+5na3HPBjtjeynM5d/v8dGLFbPyGYLd/bRskD5iorFeGCC/vL4aTs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=WJCj22KX; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="WJCj22KX" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1780928378; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ksEVz7zu8cddZveGMzSFRyDbw79gGlzSMPra+8QpguA=; b=WJCj22KX2xtIUNQ4TXc2cEM4hlOeMqvwhqI5Qh1VU40EiaX4ioKIdFDnP1+SCC4RObJINz jlEuM4zoiXJbBmYZkl6ZPEdW2NuRwKuprOGutC6WDczDTpA77Dqer+ynRaNba6bCtJx/TI FVPIYm1AzVkhVtVQAY+Hd735EVD0GOo= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-553-sZu16Q8vOYK7rKPF-TgC_g-1; Mon, 08 Jun 2026 10:19:32 -0400 X-MC-Unique: sZu16Q8vOYK7rKPF-TgC_g-1 X-Mimecast-MFC-AGG-ID: sZu16Q8vOYK7rKPF-TgC_g_1780928371 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 365B218011E6; Mon, 8 Jun 2026 14:19:31 +0000 (UTC) Received: from [10.44.50.170] (unknown [10.44.50.170]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id AE77E1800367; Mon, 8 Jun 2026 14:19:28 +0000 (UTC) Date: Mon, 8 Jun 2026 16:19:25 +0200 (CEST) From: Mikulas Patocka To: David Laight cc: Kees Cook , linux-hardening@vger.kernel.org, Arnd Bergmann , dm-devel@lists.linux.dev, linux-kernel@vger.kernel.org, Alasdair Kergon , Benjamin Marzinski , Mike Snitzer Subject: Re: [PATCH next] drivers/md/dm-zoned-metadata: User strscpy() to copy device name In-Reply-To: <20260606202633.5018-12-david.laight.linux@gmail.com> Message-ID: <4773c74f-5425-76fa-dc3a-5a5cf59f4e62@redhat.com> References: <20260606202633.5018-12-david.laight.linux@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Hi I accepted the patch. Mikulas On Sat, 6 Jun 2026, david.laight.linux@gmail.com wrote: > From: David Laight > > Signed-off-by: David Laight > --- > This is one of a group of patches that remove potentially unbounded > strcpy() calls. > > They are mostly replaced by strscpy() or, when strlen() has just been > called, with memcpy() (usually including the '\0'). > > Calls with copy string literals into arrays are left unchanged. > They are safe and easily detected as such. > > The changes were made by getting the compiler to detect the calls and > then fixing the code by hand. > > Note that all the changes are only compile tested. > > Some Makefiles were changed to allow files to contain strcpy(). > As well as 'difficult to fix' files, this included 'show' functions > as they really need to use sysfs_emit() or seq_printf(). > > All the patches are being sent individually to avoid very long cc lists. > Apologies for the terse commit messages and likely unexpected tags. > (There are about 100 patches in total.) > > drivers/md/dm-zoned-metadata.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c > index ec605acddd88..f4f81c79a080 100644 > --- a/drivers/md/dm-zoned-metadata.c > +++ b/drivers/md/dm-zoned-metadata.c > @@ -2871,7 +2871,7 @@ int dmz_ctr_metadata(struct dmz_dev *dev, int num_dev, > if (!zmd) > return -ENOMEM; > > - strcpy(zmd->devname, devname); > + strscpy(zmd->devname, devname); > zmd->dev = dev; > zmd->nr_devs = num_dev; > zmd->mblk_rbtree = RB_ROOT; > -- > 2.39.5 >