linux-kernel - Re: [PATCH] mwifiex: fix unbalanced locking in mwifiex_process_country

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Date:   Tue, 14 Jan 2020 16:56:54 +0200
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Brian Norris <briannorris@...omium.org>
Cc:     linux-wireless <linux-wireless@...r.kernel.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        Ganapathi Bhat <ganapathi.bhat@....com>,
        Nishant Sarmukadam <nishants@...vell.com>,
        Amitkumar Karwar <amitkarwar@...il.com>,
        Xinming Hu <huxinming820@...il.com>,
        stable <stable@...r.kernel.org>, huangwen <huangwenabc@...il.com>
Subject: Re: [PATCH] mwifiex: fix unbalanced locking in mwifiex_process_country_ie()

Brian Norris <briannorris@...omium.org> writes:

> On Mon, Jan 6, 2020 at 2:43 PM Brian Norris <briannorris@...omium.org> wrote:
>>
>> We called rcu_read_lock(), so we need to call rcu_read_unlock() before
>> we return.
>>
>> Fixes: 3d94a4a8373b ("mwifiex: fix possible heap overflow in mwifiex_process_country_ie()")
>> Cc: stable@...r.kernel.org
>> Cc: huangwen <huangwenabc@...il.com>
>> Cc: Ganapathi Bhat <ganapathi.bhat@....com>
>> Signed-off-by: Brian Norris <briannorris@...omium.org>
>
> I probably should have mentioned somewhere here: the bug is currently
> in 5.5-rc and is being ported to -stable already (I'll try to head
> that off). So this probably should have said [PATCH 5.5]. Sorry about
> that.

Ok, I'll queue this to v5.5.

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