On Thu, 29 Oct 2020 16:40:35 +0800, Qiang Zhao wrote:
> Since commit 530b5affc675 ("spi: fsl-dspi: fix use-after-free in
> remove path"), this driver causes a kernel oops:
>
> [ 64.587431] Unable to handle kernel NULL pointer dereference at
> virtual address 0020
> [..]
> [
On Mon, Nov 02, 2020 at 02:19:28AM +, Qiang Zhao wrote:
> How about it looks like below:
>
> spi: fsl-dspi: fix wrong pointer in suspend/resume
>
> Since commit 530b5affc675 ("spi: fsl-dspi: fix use-after-free in
> remove path"), this driver causes a "NULL pointer dereference"
>
On Thu, Oct 30, 2020 at 21:18PM +0800, Vladimir Oltean
wrote:
> -Original Message-
> From: Vladimir Oltean
> Sent: 2020年10月30日 21:18
> To: Qiang Zhao
> Cc: broo...@kernel.org; linux-...@vger.kernel.org;
> linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] sp
On Thu, Oct 30, 2020 at 21:02PM, Mark Brown wrote:
> -Original Message-
> From: Mark Brown
> Sent: 2020年10月30日 21:02
> To: Qiang Zhao
> Cc: olte...@gmail.com; linux-...@vger.kernel.org;
> linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] spi: fsl-dspi: fix NUL
On Thu, Oct 29, 2020 at 04:40:35PM +0800, Qiang Zhao wrote:
> From: Zhao Qiang
>
> Since commit 530b5affc675 ("spi: fsl-dspi: fix use-after-free in
> remove path"), this driver causes a kernel oops:
>
> [ 64.587431] Unable to handle kernel NULL pointer dereference at
> virtual address
On Fri, Oct 30, 2020 at 02:04:06AM +, Qiang Zhao wrote:
> I saw the patch, it just fix the issue when the kernel are booted up.
> But there still have the issue when the driver suspend and resume.
I see, sorry, I only paid attention to the commit message since it
wasn't explicit that it is
On Thu, Oct 29, 2020 at 04:40:35PM +0800, Qiang Zhao wrote:
> [ 64.587431] Unable to handle kernel NULL pointer dereference at
> virtual address 0020
> [..]
> [ 64.756080] Call trace:
> [ 64.758526] dspi_suspend+0x30/0x78
> [ 64.762012] platform_pm_suspend+0x28/0x70
> [
On Thu, Oct 29, 2020 at 19:03PM, Vladimir Oltean wrote:
> -Original Message-
> From: Vladimir Oltean
> Sent: 2020年10月29日 19:03
> To: Qiang Zhao
> Cc: broo...@kernel.org; linux-...@vger.kernel.org;
> linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] spi: fsl-d
On Thu, Oct 29, 2020 at 04:40:35PM +0800, Qiang Zhao wrote:
> From: Zhao Qiang
>
> Since commit 530b5affc675 ("spi: fsl-dspi: fix use-after-free in
> remove path"), this driver causes a kernel oops:
>
> [ 64.587431] Unable to handle kernel NULL pointer dereference at
> virtual address
From: Zhao Qiang
Since commit 530b5affc675 ("spi: fsl-dspi: fix use-after-free in
remove path"), this driver causes a kernel oops:
[ 64.587431] Unable to handle kernel NULL pointer dereference at
virtual address 0020
[..]
[ 64.756080] Call trace:
[ 64.758526]
On Mon, Sep 28, 2020 at 09:46:22AM +0200, Michael Walle wrote:
> Am 2020-09-28 09:29, schrieb Krzysztof Kozlowski:
> > On Mon, 28 Sep 2020 at 01:28, Vladimir Oltean wrote:
> > >
> > > On Mon, Sep 28, 2020 at 12:43:36AM +0200, Michael Walle wrote:
> > > > Since commit 530b5affc675 ("spi:
On Mon, Sep 28, 2020 at 02:27:47AM +0300, Vladimir Oltean wrote:
> On Mon, Sep 28, 2020 at 12:43:36AM +0200, Michael Walle wrote:
> > Since commit 530b5affc675 ("spi: fsl-dspi: fix use-after-free in remove
> > path") this driver causes a kernel oops:
> >
> > [1.891065] Unable to handle kernel
Am 2020-09-28 09:29, schrieb Krzysztof Kozlowski:
On Mon, 28 Sep 2020 at 01:28, Vladimir Oltean
wrote:
On Mon, Sep 28, 2020 at 12:43:36AM +0200, Michael Walle wrote:
> Since commit 530b5affc675 ("spi: fsl-dspi: fix use-after-free in remove
> path") this driver causes a kernel oops:
>
> [
On Mon, 28 Sep 2020 at 09:29, Krzysztof Kozlowski wrote:
> > >
> > > This is because since this commit, the allocation of the drivers private
> > > data is done explicitly and in this case spi_alloc_master() won't set the
> > > correct pointer.
> > >
> > > Fixes: 530b5affc675 ("spi: fsl-dspi: fix
On Mon, 28 Sep 2020 at 01:28, Vladimir Oltean wrote:
>
> On Mon, Sep 28, 2020 at 12:43:36AM +0200, Michael Walle wrote:
> > Since commit 530b5affc675 ("spi: fsl-dspi: fix use-after-free in remove
> > path") this driver causes a kernel oops:
> >
> > [1.891065] Unable to handle kernel NULL
On Mon, Sep 28, 2020 at 12:43:36AM +0200, Michael Walle wrote:
> Since commit 530b5affc675 ("spi: fsl-dspi: fix use-after-free in remove
> path") this driver causes a kernel oops:
>
> [1.891065] Unable to handle kernel NULL pointer dereference at virtual
> address 0080
> [
Since commit 530b5affc675 ("spi: fsl-dspi: fix use-after-free in remove
path") this driver causes a kernel oops:
[1.891065] Unable to handle kernel NULL pointer dereference at virtual
address 0080
[1.899889] Mem abort info:
[1.902692] ESR = 0x9604
[1.905754]
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