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From: Greg KH <gregkh@linuxfoundation.org>
To: Pei Xiao <xiaopei01@kylinos.cn>
Cc: vaibhavgupta40@gmail.com, jens.taprogge@taprogge.org,
	kees@kernel.org, industrypack-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org,
	Shuangpeng Bai <shuangpeng.kernel@gmail.com>
Subject: Re: [PATCH 0/2] ipack: ipoctal: fix races and UAFs during module removal
Date: Wed, 1 Jul 2026 07:41:34 +0200	[thread overview]
Message-ID: <2026070152-recycled-outcast-3060@gregkh> (raw)
In-Reply-To: <cover.1782870760.git.xiaopei01@kylinos.cn>

On Wed, Jul 01, 2026 at 10:01:08AM +0800, Pei Xiao wrote:
> When the ipoctal device is removed while a userspace process still
> holds a tty fd open, several races and use-after-free bugs can be
> triggered.  This series addresses the following issues:

Cool, but why remove the module at all?

And do you have this hardware to test with?

thanks,

greg k-h

  parent reply	other threads:[~2026-07-01  5:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-01  2:01 [PATCH 0/2] ipack: ipoctal: fix races and UAFs during module removal Pei Xiao
2026-07-01  2:01 ` [PATCH 1/2] ipack: ipoctal: fix UAF, null-ptr-deref, and use-after-free in cleanup on remove Pei Xiao
2026-07-01  2:01 ` [PATCH 2/2] ipack: ipoctal: add rwsem to guard against TOCTOU in remove path Pei Xiao
2026-07-01  5:41 ` Greg KH [this message]
2026-07-01  6:16   ` [PATCH 0/2] ipack: ipoctal: fix races and UAFs during module removal Pei Xiao
2026-07-01 10:37     ` Greg KH
2026-07-01 11:08       ` Pei Xiao

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