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From: Greg KH <gregkh@linuxfoundation.org>
To: Pavel Skripkin <paskripkin@gmail.com>
Cc: jirislaby@kernel.org, linux-kernel@vger.kernel.org,
	syzbot+bcc922b19ccc64240b42@syzkaller.appspotmail.com
Subject: Re: [PATCH] tty: fix memory leak in vc_deallocate
Date: Sun, 28 Mar 2021 10:45:28 +0200	[thread overview]
Message-ID: <YGBCKBtrirh5GmVP@kroah.com> (raw)
In-Reply-To: <20210327214443.21548-1-paskripkin@gmail.com>

On Sun, Mar 28, 2021 at 12:44:43AM +0300, Pavel Skripkin wrote:
> syzbot reported memory leak in tty/vt.
> The problem was in VT_DISALLOCATE ioctl cmd.
> After allocating unimap with PIO_UNIMAP it wasn't
> freed via VT_DISALLOCATE, but vc_cons[currcons].d was
> zeroed.
> 
> Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
> Reported-by: syzbot+bcc922b19ccc64240b42@syzkaller.appspotmail.com
> ---
>  drivers/tty/vt/vt.c | 1 +
>  1 file changed, 1 insertion(+)

Is this patch tested by syzbot to fix the problem?

thanks,

greg k-h

  reply	other threads:[~2021-03-28  8:46 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-27 21:44 [PATCH] tty: fix memory leak in vc_deallocate Pavel Skripkin
2021-03-28  8:45 ` Greg KH [this message]
2021-03-28  8:49   ` Pavel Skripkin

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