From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: Samuel Moelius <sam.moelius@trailofbits.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
"open list:SCSI SUBSYSTEM" <linux-scsi@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] scsi: scsi_debug: fix one-partition tape setup bounds
Date: Thu, 04 Jun 2026 09:38:31 -0400 [thread overview]
Message-ID: <6d2e78e6a5840f5892e7eb081657b23aa62bc50d.camel@HansenPartnership.com> (raw)
In-Reply-To: <20260603235616.124535-1-sam.moelius@trailofbits.com>
On Wed, 2026-06-03 at 23:55 +0000, Samuel Moelius wrote:
> The tape setup path writes partition metadata one element past the
> allocated tape_blocks array when a one-partition configuration is
> selected.
>
> That corrupts adjacent state during device initialization before any
> command is issued.
I still don't get what the actual problem is. For a single partition
tape I can't see where scsi_debug would actually do anything with
tape_blocks[1]. What is it that you're seeing when using scsi_debug
that motivates this?
Regards,
James
next prev parent reply other threads:[~2026-06-04 13:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-03 23:55 Samuel Moelius
2026-06-04 13:38 ` James Bottomley [this message]
2026-06-04 14:52 ` "Kai Mäkisara (Kolumbus)"
2026-06-04 16:16 ` "Kai Mäkisara (Kolumbus)"
2026-06-04 18:33 ` Samuel Moelius
2026-06-04 19:14 ` "Kai Mäkisara (Kolumbus)"
2026-06-04 19:29 ` James Bottomley
2026-06-04 19:41 ` "Kai Mäkisara (Kolumbus)"
2026-06-04 23:47 ` Samuel Moelius
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