linux-kernel - RE: [PATCH 1/2] platform/x86: dell-smbios-wmi: Correct a memory leak

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Date:   Wed, 12 Sep 2018 12:14:34 +0000
From:   <Mario.Limonciello@...l.com>
To:     <dvhart@...radead.org>
CC:     <andy.shevchenko@...il.com>, <linux-kernel@...r.kernel.org>,
        <platform-driver-x86@...r.kernel.org>, <stable@...r.kernel.org>
Subject: RE: [PATCH 1/2] platform/x86: dell-smbios-wmi: Correct a memory leak

Darren,

> -----Original Message-----
> From: Darren Hart [mailto:dvhart@...radead.org]
> Sent: Monday, September 10, 2018 3:52 PM
> To: Limonciello, Mario
> Cc: Andy Shevchenko; LKML; platform-driver-x86@...r.kernel.org;
> stable@...r.kernel.org
> Subject: Re: [PATCH 1/2] platform/x86: dell-smbios-wmi: Correct a memory leak
> 
> On Mon, Sep 10, 2018 at 01:01:52PM -0500, Mario Limonciello wrote:
> > ACPI buffers were being allocated but never freed.
> >
> > Reported-by: Pinzhen Xu <pinzhen.xu@...el.com>
> > Signed-off-by: Mario Limonciello <mario.limonciello@...l.com>
> > Cc: stable@...r.kernel.org
> 
> Thanks Mario and Pinzhen, both queued. That's an easy one to miss, the usage not
> being particularly obvious.
> 

This cropped up and is fixed by that patch:
https://github.com/dell/libsmbios/issues/63

Given the impact and how small the patch is, I think it might be good if this can come to 4.19-rcX if possible.
Thoughts?

I suspect this one might be the same issue too:
https://bugzilla.redhat.com/show_bug.cgi?id=1627609