From: Greg KH <greg@kroah.com>
To: Lee Jones <lee.jones@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org, stable@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] media: si470x-i2c: Move free() past last use of 'radio'
Date: Mon, 3 Feb 2020 14:58:31 +0000 [thread overview]
Message-ID: <20200203145831.GA3238182@kroah.com> (raw)
In-Reply-To: <20200203143245.GA3220000@kroah.com>
On Mon, Feb 03, 2020 at 02:32:45PM +0000, Greg KH wrote:
> On Mon, Feb 03, 2020 at 01:21:30PM +0000, Lee Jones wrote:
> > A pointer to 'struct si470x_device' is currently used after free:
> >
> > drivers/media/radio/si470x/radio-si470x-i2c.c:462:25-30: ERROR: reference
> > preceded by free on line 460
> >
> > Shift the call to free() down past its final use.
> >
> > NB: Not sending to Mainline, since the problem does not exist there.
>
> It doesn't exist there because of a bad merge? What commit caused the
> problem?
Ah, found it, it was 2df200ab234a ("media: si470x-i2c: add missed
operations in remove")
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WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <greg@kroah.com>
To: Lee Jones <lee.jones@linaro.org>
Cc: stable@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] media: si470x-i2c: Move free() past last use of 'radio'
Date: Mon, 3 Feb 2020 14:58:31 +0000 [thread overview]
Message-ID: <20200203145831.GA3238182@kroah.com> (raw)
In-Reply-To: <20200203143245.GA3220000@kroah.com>
On Mon, Feb 03, 2020 at 02:32:45PM +0000, Greg KH wrote:
> On Mon, Feb 03, 2020 at 01:21:30PM +0000, Lee Jones wrote:
> > A pointer to 'struct si470x_device' is currently used after free:
> >
> > drivers/media/radio/si470x/radio-si470x-i2c.c:462:25-30: ERROR: reference
> > preceded by free on line 460
> >
> > Shift the call to free() down past its final use.
> >
> > NB: Not sending to Mainline, since the problem does not exist there.
>
> It doesn't exist there because of a bad merge? What commit caused the
> problem?
Ah, found it, it was 2df200ab234a ("media: si470x-i2c: add missed
operations in remove")
next prev parent reply other threads:[~2020-02-03 14:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-03 13:21 [PATCH 1/1] media: si470x-i2c: Move free() past last use of 'radio' Lee Jones
2020-02-03 13:21 ` Lee Jones
2020-02-03 14:32 ` Greg KH
2020-02-03 14:32 ` Greg KH
2020-02-03 14:58 ` Greg KH [this message]
2020-02-03 14:58 ` Greg KH
2020-02-03 15:12 ` Lee Jones
2020-02-03 15:12 ` Lee Jones
2020-02-03 15:01 ` Patch "media: si470x-i2c: Move free() past last use of 'radio'" has been added to the 4.4-stable tree gregkh
2020-02-03 15:01 ` Patch "media: si470x-i2c: Move free() past last use of 'radio'" has been added to the 4.9-stable tree gregkh
2020-02-03 15:01 ` Patch "media: si470x-i2c: Move free() past last use of 'radio'" has been added to the 4.14-stable tree gregkh
2020-02-03 15:02 ` Patch "media: si470x-i2c: Move free() past last use of 'radio'" has been added to the 4.19-stable tree gregkh
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