linux-kernel - Re: [PATCH] Drivers: hv: Fix bad pointer dereference in hv_get_partition

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Message-ID: <Z_NlrCgFmErcp-8U@liuwe-devbox-ubuntu-v2.tail21d00.ts.net>
Date: Mon, 7 Apr 2025 05:42:04 +0000
From: Wei Liu <wei.liu@...nel.org>
To: Naman Jain <namjain@...ux.microsoft.com>
Cc: Nuno Das Neves <nunodasneves@...ux.microsoft.com>,
	linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
	wei.liu@...nel.org, kys@...rosoft.com, haiyangz@...rosoft.com,
	mhklinux@...look.com, decui@...rosoft.com
Subject: Re: [PATCH] Drivers: hv: Fix bad pointer dereference in
 hv_get_partition_id

On Mon, Apr 07, 2025 at 05:24:08AM +0000, Wei Liu wrote:
> On Thu, Apr 03, 2025 at 01:54:37PM +0530, Naman Jain wrote:
> > 
> > 
> > On 4/1/2025 11:02 PM, Nuno Das Neves wrote:
> > > 'output' is already a pointer to the output argument, it should be
> > > passed directly to hv_do_hypercall() without the '&' operator.
> > > 
> > > Signed-off-by: Nuno Das Neves <nunodasneves@...ux.microsoft.com>
> > > ---
> > > This patch is a fixup for:
> > > e96204e5e96e hyperv: Move hv_current_partition_id to arch-generic code
> > 
> > You can add Fixes: tag, so that it gets ported to previous kernel, in case,
> > it does not make it to 6.14.
> 
> This does not need to be ported to older kernels because the bug was
> never released.

To be clear that was just a passing comment. I'm not against adding a
Fixes tag. I've done that while applying this patch.

Thanks,
Wei.