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Date: Thu, 17 Sep 2026 10:00:03 +0100
From: Greg KH <gregkh@linuxfoundation.org>
To: Xiang Mei <xmei5@asu.edu>
Cc: stable@vger.kernel.org, rafael@kernel.org,
	maciej.wieczor-retman@intel.com, pawel.chmielewski@intel.com,
	lenb@kernel.org, linux-acpi@vger.kernel.org,
	acpica-devel@lists.linux.dev, bestswngs@gmail.com
Subject: Re: [STABLE REQUEST] ACPICA: Fix NULL pointer dereference in
 acpi_ns_custom_package()
Message-ID: <2026091756-grass-jingling-2c16@gregkh>
References: <ztqdpwmbpfusfens334indnsykgejamscwhv6dylk6xckr5uyg@scsb6egwneel>
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In-Reply-To: <ztqdpwmbpfusfens334indnsykgejamscwhv6dylk6xckr5uyg@scsb6egwneel>

On Wed, Sep 16, 2026 at 04:47:53PM -0700, Xiang Mei wrote:
> Hi stable team,
> 
> Could you please consider backporting upstream commit
> 
> f8d14b7bb0063bbbd86c0e4d73edb8cea7b362bc
> ("ACPICA: Fix NULL pointer dereference in acpi_ns_custom_package()")
> 
> for 6.18.y, 6.12.y, 6.6.y, 6.1.y, 5.15.y, and 5.10.y.
> 
> It prevents a NULL pointer dereference when firmware supplies a _BIX
> package containing an unresolvable first element.
> 
> The fix has been in mainline since May 27 but is still absent from the
> longterm branches.
> 
> The upstream commit applies cleanly to all of these branches.

Already queued up, thanks.

greg k-h