On 2018/08/29 22:53, Jiri Slaby wrote:
> On 07/24/2018, 05:22 PM, Tetsuo Handa wrote:
>> From 118c64e86641a97d44dec39e313a95b12d9bc3b2 Mon Sep 17 00:00:00 2001
>> From: Tetsuo Handa
>> Date: Wed, 25 Jul 2018 00:15:18 +0900
>> Subject: [PATCH v2] n_tty: Protect tt
On 2018/08/29 22:53, Jiri Slaby wrote:
> On 07/24/2018, 05:22 PM, Tetsuo Handa wrote:
>> From 118c64e86641a97d44dec39e313a95b12d9bc3b2 Mon Sep 17 00:00:00 2001
>> From: Tetsuo Handa
>> Date: Wed, 25 Jul 2018 00:15:18 +0900
>> Subject: [PATCH v2] n_tty: Protect tt
On 08/29/2018, 03:53 PM, Jiri Slaby wrote:
> On 07/24/2018, 05:22 PM, Tetsuo Handa wrote:
>> From 118c64e86641a97d44dec39e313a95b12d9bc3b2 Mon Sep 17 00:00:00 2001
>> From: Tetsuo Handa
>> Date: Wed, 25 Jul 2018 00:15:18 +0900
>> Subject: [PATCH v2] n_tty: Protect tt
On 08/29/2018, 03:53 PM, Jiri Slaby wrote:
> On 07/24/2018, 05:22 PM, Tetsuo Handa wrote:
>> From 118c64e86641a97d44dec39e313a95b12d9bc3b2 Mon Sep 17 00:00:00 2001
>> From: Tetsuo Handa
>> Date: Wed, 25 Jul 2018 00:15:18 +0900
>> Subject: [PATCH v2] n_tty: Protect tt
On 07/24/2018, 05:22 PM, Tetsuo Handa wrote:
> From 118c64e86641a97d44dec39e313a95b12d9bc3b2 Mon Sep 17 00:00:00 2001
> From: Tetsuo Handa
> Date: Wed, 25 Jul 2018 00:15:18 +0900
> Subject: [PATCH v2] n_tty: Protect tty->disc_data using refcount.
>
> syzbot is reporting NUL
On 07/24/2018, 05:22 PM, Tetsuo Handa wrote:
> From 118c64e86641a97d44dec39e313a95b12d9bc3b2 Mon Sep 17 00:00:00 2001
> From: Tetsuo Handa
> Date: Wed, 25 Jul 2018 00:15:18 +0900
> Subject: [PATCH v2] n_tty: Protect tty->disc_data using refcount.
>
> syzbot is reporting NUL
On 2018/07/25 17:06, Greg KH wrote:
> On Wed, Jul 25, 2018 at 12:22:16AM +0900, Tetsuo Handa wrote:
>> >From 118c64e86641a97d44dec39e313a95b12d9bc3b2 Mon Sep 17 00:00:00 2001
>> From: Tetsuo Handa
>> Date: Wed, 25 Jul 2018 00:15:18 +0900
>> Subject: [PATCH v2] n_tty
On 2018/07/25 17:06, Greg KH wrote:
> On Wed, Jul 25, 2018 at 12:22:16AM +0900, Tetsuo Handa wrote:
>> >From 118c64e86641a97d44dec39e313a95b12d9bc3b2 Mon Sep 17 00:00:00 2001
>> From: Tetsuo Handa
>> Date: Wed, 25 Jul 2018 00:15:18 +0900
>> Subject: [PATCH v2] n_tty
On Wed, Jul 25, 2018 at 12:22:16AM +0900, Tetsuo Handa wrote:
> >From 118c64e86641a97d44dec39e313a95b12d9bc3b2 Mon Sep 17 00:00:00 2001
> From: Tetsuo Handa
> Date: Wed, 25 Jul 2018 00:15:18 +0900
> Subject: [PATCH v2] n_tty: Protect tty->disc_data using refcount.
>
>
On Wed, Jul 25, 2018 at 12:22:16AM +0900, Tetsuo Handa wrote:
> >From 118c64e86641a97d44dec39e313a95b12d9bc3b2 Mon Sep 17 00:00:00 2001
> From: Tetsuo Handa
> Date: Wed, 25 Jul 2018 00:15:18 +0900
> Subject: [PATCH v2] n_tty: Protect tty->disc_data using refcount.
>
>
>From 118c64e86641a97d44dec39e313a95b12d9bc3b2 Mon Sep 17 00:00:00 2001
From: Tetsuo Handa
Date: Wed, 25 Jul 2018 00:15:18 +0900
Subject: [PATCH v2] n_tty: Protect tty->disc_data using refcount.
syzbot is reporting NULL pointer dereference at n_tty_set_termios() [1].
This is because
>From 118c64e86641a97d44dec39e313a95b12d9bc3b2 Mon Sep 17 00:00:00 2001
From: Tetsuo Handa
Date: Wed, 25 Jul 2018 00:15:18 +0900
Subject: [PATCH v2] n_tty: Protect tty->disc_data using refcount.
syzbot is reporting NULL pointer dereference at n_tty_set_termios() [1].
This is because
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