From: Greg KH <gregkh@linuxfoundation.org>
To: Muchun Song <smuchun@gmail.com>
Cc: rafael@kernel.org, benh@kernel.crashing.org,
prsood@codeaurora.org, mojha@codeaurora.org,
gkohli@codeaurora.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org, zhaowuyun@wingtech.com
Subject: Re: [PATCH v4] driver core: Fix use-after-free and double free on glue directory
Date: Fri, 24 May 2019 21:04:43 +0200 [thread overview]
Message-ID: <20190524190443.GB29565@kroah.com> (raw)
In-Reply-To: <20190516142342.28019-1-smuchun@gmail.com>
On Thu, May 16, 2019 at 10:23:42PM +0800, Muchun Song wrote:
> There is a race condition between removing glue directory and adding a new
> device under the glue directory. It can be reproduced in following test:
<snip>
Is this related to:
Subject: [PATCH v3] drivers: core: Remove glue dirs early only when refcount is 1
?
If so, why is the solution so different?
thanks,
greg k-h
next prev parent reply other threads:[~2019-05-24 19:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-16 14:23 [PATCH v4] driver core: Fix use-after-free and double free on glue directory Muchun Song
2019-05-24 19:04 ` Greg KH [this message]
2019-05-25 12:15 ` Muchun Song
2019-06-18 13:40 ` Muchun Song
2019-06-18 14:11 ` Benjamin Herrenschmidt
2019-06-18 15:28 ` Greg KH
2019-06-18 16:09 ` Muchun Song
2019-06-18 16:13 ` Greg KH
2019-06-18 21:51 ` Benjamin Herrenschmidt
2019-06-25 15:06 ` Muchun Song
2019-06-25 22:56 ` Benjamin Herrenschmidt
2019-06-26 0:55 ` Greg KH
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