From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Eric Biggers <ebiggers@kernel.org>
Cc: Jiri Slaby <jslaby@suse.com>,
linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
syzkaller-bugs@googlegroups.com,
Eric Dumazet <edumazet@google.com>,
Nicolas Pitre <nico@fluxnic.net>
Subject: Re: [PATCH v3 0/2] vt: fix some vt_ioctl races
Date: Tue, 24 Mar 2020 12:29:44 +0100 [thread overview]
Message-ID: <20200324112944.GA2276078@kroah.com> (raw)
In-Reply-To: <20200322034305.210082-1-ebiggers@kernel.org>
On Sat, Mar 21, 2020 at 08:43:03PM -0700, Eric Biggers wrote:
> Fix VT_DISALLOCATE freeing an in-use virtual console, and fix a
> use-after-free in vt_in_use().
>
> Changed since v2:
> - Implemented tty_port_operations::destruct().
> - Added comments regarding vt_in_use() locking.
>
> Changed since v1:
> - Made the vc_data be freed via tty_port refcounting.
> - Added patch to fix a use-after-free in vt_in_use().
>
> Eric Biggers (2):
> vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console
> vt: vt_ioctl: fix use-after-free in vt_in_use()
>
> drivers/tty/vt/vt.c | 23 ++++++++++++++++++++++-
> drivers/tty/vt/vt_ioctl.c | 28 ++++++++++++++++------------
> 2 files changed, 38 insertions(+), 13 deletions(-)
Jiri, any objection to these?
thanks,
greg k-h
prev parent reply other threads:[~2020-03-24 11:29 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-03 20:15 KASAN: use-after-free Write in release_tty syzbot
2020-02-24 7:12 ` [PATCH] vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console Eric Biggers
2020-02-24 8:04 ` Jiri Slaby
2020-02-24 8:19 ` Eric Biggers
2020-03-02 21:23 ` Eric Biggers
2020-03-18 10:06 ` Greg Kroah-Hartman
2020-03-18 10:10 ` Jiri Slaby
2020-03-18 13:15 ` Jiri Slaby
2020-03-18 22:27 ` Eric Biggers
2020-03-18 22:38 ` [PATCH v2 0/2] vt: fix some vt_ioctl races Eric Biggers
2020-03-18 22:38 ` [PATCH v2 1/2] vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console Eric Biggers
2020-03-19 7:36 ` Jiri Slaby
2020-03-20 5:10 ` Eric Biggers
2020-03-20 6:57 ` Greg Kroah-Hartman
2020-03-18 22:38 ` [PATCH v2 2/2] vt: vt_ioctl: fix use-after-free in vt_in_use() Eric Biggers
2020-03-20 13:42 ` Jiri Slaby
2020-03-20 19:34 ` Eric Biggers
2020-03-22 3:43 ` [PATCH v3 0/2] vt: fix some vt_ioctl races Eric Biggers
2020-03-22 3:43 ` [PATCH v3 1/2] vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console Eric Biggers
2020-03-27 10:28 ` Jiri Slaby
2020-03-22 3:43 ` [PATCH v3 2/2] vt: vt_ioctl: fix use-after-free in vt_in_use() Eric Biggers
2020-03-27 10:30 ` Jiri Slaby
2020-03-24 11:29 ` Greg Kroah-Hartman [this message]
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