linux-kernel - Re: [PATCH] ep93xx: clock: Fix UAF in mach-ep93xx/clock.c

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Message-ID: <YmjMoeDNd2cNMjRt@kroah.com>
Date:   Wed, 27 Apr 2022 06:54:57 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Wan Jiabing <wanjiabing@...o.com>
Cc:     Hartley Sweeten <hsweeten@...ionengravers.com>,
        Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Nikita Shubin <nikita.shubin@...uefel.me>,
        Arnd Bergmann <arnd@...db.de>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] ep93xx: clock: Fix UAF in mach-ep93xx/clock.c

On Wed, Apr 27, 2022 at 10:21:11AM +0800, Wan Jiabing wrote:
> Fix following coccicheck errors:
> ./arch/arm/mach-ep93xx/clock.c:351:9-12: ERROR: reference preceded by free on line 349
> ./arch/arm/mach-ep93xx/clock.c:458:9-12: ERROR: reference preceded by free on line 456
> 
> Fix two more potential UAF errors.
> 
> Link: https://lore.kernel.org/all/20220418121212.634259061@linuxfoundation.org/
> Fixes: 9645ccc7bd7a ("ep93xx: clock: convert in-place to COMMON_CLK")
> Signed-off-by: Wan Jiabing <wanjiabing@...o.com>
> ---
>  arch/arm/mach-ep93xx/clock.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>