linux-kernel - Re: WARNING: refcount bug in kobject_add

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Message-ID: <CAPSr9jHf3JGSPCFY2aF7fPELrcKfkeWR3hsT-nFzjpZNw8XqWg@mail.gmail.com>
Date:   Tue, 2 Jul 2019 11:07:48 +0800
From:   Muchun Song <smuchun@...il.com>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        syzkaller-bugs@...glegroups.com, torvalds@...ux-foundation.org
Subject: Re: WARNING: refcount bug in kobject_add_internal

Hi Ben,

Benjamin Herrenschmidt <benh@...nel.crashing.org> 于2019年7月2日周二 上午10:44写道：
>
> Munchun, is this what your patch fixes ?
>
 Yes, this is what my patch fixes.

The patchs can reference to:
        [PATCH v1 OPT1] driver core: Fix use-after-free and double
free on glue directory
        [PATCH v4 OPT2] driver core: Fix use-after-free and double
free on glue directory

And waiting for Greg chose which solution he prefered.

Yours,
Muchun