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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Henrik Rydberg <rydberg@bitmath.org>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	"linux-input@vger.kernel.org" <linux-input@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH (resend)] Input: MT - limit max slots
Date: Mon, 29 Jul 2024 15:05:13 +0200	[thread overview]
Message-ID: <2024072944-appraisal-panning-a0b1@gregkh> (raw)
In-Reply-To: <a7eb34e0-28cf-4e18-b642-ea8d7959f0c7@I-love.SAKURA.ne.jp>

On Mon, Jul 29, 2024 at 09:51:30PM +0900, Tetsuo Handa wrote:
> syzbot is reporting too large allocation at input_mt_init_slots(), for
> num_slots is supplied from userspace using ioctl(UI_DEV_CREATE).
> 
> Since nobody knows possible max slots, this patch chose 1024.
> 
> Reported-by: syzbot <syzbot+0122fa359a69694395d5@syzkaller.appspotmail.com>
> Closes: https://syzkaller.appspot.com/bug?extid=0122fa359a69694395d5
> Suggested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
> ---
> This patch was tested in linux-next between next-20240611 and next-20240729
> via my tree. Who can take this patch? If nobody can, I will send to Linus.

What is wrong with the normal input maintainer and tree?  Why not send
it there?

thanks,

greg k-h

  reply	other threads:[~2024-07-29 13:05 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-29 12:51 [PATCH (resend)] Input: MT - limit max slots Tetsuo Handa
2024-07-29 13:05 ` Greg Kroah-Hartman [this message]
2024-07-29 13:15   ` Tetsuo Handa
2024-07-29 14:28     ` Greg Kroah-Hartman
2024-07-29 15:57       ` Dmitry Torokhov
2024-07-29 17:43         ` Linus Torvalds
2024-07-29 17:59           ` Dmitry Torokhov
2024-07-29 18:16             ` Linus Torvalds
2024-07-29 18:35               ` Dmitry Torokhov
2024-07-29 18:41                 ` Linus Torvalds
2024-07-29 19:12                   ` Dmitry Torokhov
2024-07-29 19:27                     ` Linus Torvalds
2024-07-29 20:00                       ` Dmitry Torokhov
2024-07-29 20:14                         ` Linus Torvalds
2024-07-29 23:17                           ` Dmitry Torokhov
2024-07-30  5:38             ` Tetsuo Handa
2024-07-30 21:52               ` Dmitry Torokhov

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