Re: [PATCH v2] n_tty: Protect tty->disc_data using refcount.

2018-08-29 Thread Tetsuo Handa
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

Re: [PATCH v2] n_tty: Protect tty->disc_data using refcount.

2018-08-29 Thread Tetsuo Handa
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

Re: [PATCH v2] n_tty: Protect tty->disc_data using refcount.

2018-08-29 Thread Jiri Slaby
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

Re: [PATCH v2] n_tty: Protect tty->disc_data using refcount.

2018-08-29 Thread Jiri Slaby
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

Re: [PATCH v2] n_tty: Protect tty->disc_data using refcount.

2018-08-29 Thread Jiri Slaby
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

Re: [PATCH v2] n_tty: Protect tty->disc_data using refcount.

2018-08-29 Thread Jiri Slaby
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

Re: [PATCH v2] n_tty: Protect tty->disc_data using refcount.

2018-07-25 Thread Tetsuo Handa
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

Re: [PATCH v2] n_tty: Protect tty->disc_data using refcount.

2018-07-25 Thread Tetsuo Handa
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

Re: [PATCH v2] n_tty: Protect tty->disc_data using refcount.

2018-07-25 Thread Greg KH
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. > >

Re: [PATCH v2] n_tty: Protect tty->disc_data using refcount.

2018-07-25 Thread Greg KH
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. > >

[PATCH v2] n_tty: Protect tty->disc_data using refcount.

2018-07-24 Thread Tetsuo Handa
>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

[PATCH v2] n_tty: Protect tty->disc_data using refcount.

2018-07-24 Thread Tetsuo Handa
>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