linux-kernel - Re: [PATCH 5.3 113/148] thermal: Fix use-after-free when unregistering thermal zone device

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Message-ID: <20191114135439.GA3448@splinter>
Date:   Thu, 14 Nov 2019 13:54:41 +0000
From:   Ido Schimmel <idosch@...lanox.com>
To:     Lukasz Luba <lukasz.luba@....com>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        Jiri Pirko <jiri@...lanox.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Sasha Levin <sashal@...nel.org>,
        "wvw@...gle.com" <wvw@...gle.com>
Subject: Re: [PATCH 5.3 113/148] thermal: Fix use-after-free when
 unregistering thermal zone device

On Thu, Nov 14, 2019 at 01:17:55PM +0000, Lukasz Luba wrote:
> Hi Greg,
> 
> This patch causes a deadlock, the thermal framework stops. Please check
> this fix (I found it before posting exactly the same solution):
> https://lkml.org/lkml/2019/11/12/1075

Sorry about that.

> I have verified it on OdroidXU4 and it works. It needs some cleaning in
> the commit message, though.
> I have added to CC the author: Wei Wang
> 
> I don't know in how many stable trees it was applied, but should be fix
> there also.

I checked my mailbox and it seems it was backported to: 4.4, 4.9, 4.14,
4.19, 5.2 (EOL) and 5.3

Thanks