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Date: Mon, 24 Aug 2026 06:59:39 +0200
From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>, Zorro Lang <zlang@kernel.org>,
	fstests@vger.kernel.org,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Kanchan Joshi <joshi.k@samsung.com>,
	Anuj Gupta <anuj20.g@samsung.com>, linux-scsi@vger.kernel.org
Subject: Re: [PATCH 4/5] generic: test I/O on devices with T10 protection
 information
Message-ID: <20260824045939.GC29550@lst.de>
References: <20260821051133.1817670-1-hch@lst.de> <20260821051133.1817670-5-hch@lst.de> <20260821233749.GG839663@frogsfrogsfrogs>
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User-Agent: Mutt/1.5.17 (2007-11-01)

On Fri, Aug 21, 2026 at 04:37:49PM -0700, Darrick J. Wong wrote:
> > @@ -0,0 +1,91 @@
> > +#! /bin/bash
> > +# SPDX-License-Identifier: GPL-2.0
> > +# Copyright (c) 2026 Christoph Hellwig
> > +#
> > +# FS QA Test No. 2301
> > +#
> > +# Basix FSX sanity check when using T10 protection information
> > +#
> > +. ./common/preamble
> > +_begin_fstest auto rw pi dangerous
> 
> Why dangerous?  Can this crash the system?

Yes, the strip/insert case (which needs to be enabled through sysfs
crashes all release kernels up to and including 7.2.