linux-kernel - Re: [PATCH] nvme-pci: fix parameter order in nvme_free

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Message-ID: <aXokOX20HMD0E_PM@kbusch-mbp>
Date: Wed, 28 Jan 2026 07:59:05 -0700
From: Keith Busch <kbusch@...nel.org>
To: Roger Pau Monne <roger.pau@...rix.com>
Cc: xen-devel@...ts.xenproject.org, Jens Axboe <axboe@...nel.dk>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@....de>, Sagi Grimberg <sagi@...mberg.me>
Subject: Re: [PATCH] nvme-pci: fix parameter order in nvme_free_sgls() call

On Tue, Jan 27, 2026 at 08:59:06PM +0100, Roger Pau Monne wrote:
> The call to nvme_free_sgls() in nvme_unmap_data() has the sg_list and sge
> parameters swapped.  This wasn't noticed by the compiler because both share
> the same type.  On a Xen PV hardware domain, and possibly any other
> architectures that takes that path, this leads to corruption of the NVMe
> contents.

Thanks, applied to nvme-6.19 with updated subject.