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From: Gen Zhang <blackgod016574@gmail.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] vt: Fix a missing-check bug in drivers/tty/vt/vt.c file of Linux 5.0.14
Date: Thu, 16 May 2019 17:07:26 +0800	[thread overview]
Message-ID: <20190516090726.GA3283@zhanggen-UX430UQ> (raw)
In-Reply-To: <20190513095809.GA4588@kroah.com>

On Mon, May 13, 2019 at 11:58:09AM +0200, Greg KH wrote:
> qemu should work just fine, I don't know what else to suggest.  Run it
> on "real hardware" with a kmalloc function modified to fail this
> allocation?
> 
> good luck!
> 
> greg k-h
I don't think we need to unwind the loop. The loop condition 
MIN_NR_CONSOLES is defined as 1 in include/uapi/linux/vt.h. In this
situation, should we free other memory except vc_cons[currcons].d, vc
and vc->vc_screenbuf?
Thanks
Gen

      parent reply	other threads:[~2019-05-16  9:07 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAAie0ar11_mPipN=d=mrgnVdEMO1Np0cCYdqcRfZrij_d-5zaQ@mail.gmail.com>
     [not found] ` <20190510051415.GA6073@kroah.com>
     [not found]   ` <CAAie0ao_O0hcUOuUf67oog+dSswdQRpAtX8NyQvDAr_XQr=xQg@mail.gmail.com>
2019-05-10 15:12     ` Greg KH
     [not found]       ` <CAAie0arnSxFvkNE1KSxD1a19_PQy03Q4RSiLZo9t7C9LeKkA9w@mail.gmail.com>
2019-05-11  6:07         ` Greg KH
2019-05-12  3:27           ` Gen Zhang
2019-05-12  6:20             ` Greg KH
2019-05-12  8:49               ` Gen Zhang
2019-05-13  7:36                 ` Greg KH
2019-05-13  9:37                   ` Gen Zhang
2019-05-13  9:58                     ` Greg KH
2019-05-13 11:33                       ` Gen Zhang
2019-05-16  9:07                       ` Gen Zhang [this message]

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