linux-kernel - Re: [PATCH] mtd: fix use-after-free in mtd release

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Message-ID: <20230802144426.2411bba2@xps-13>
Date:   Wed, 2 Aug 2023 14:44:26 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     "zhangxiaoxu (A)" <zhangxiaoxu5@...wei.com>
Cc:     "Usyskin, Alexander" <alexander.usyskin@...el.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        "linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Winkler, Tomas" <tomas.winkler@...el.com>,
        "Lubart, Vitaly" <vitaly.lubart@...el.com>
Subject: Re: [PATCH] mtd: fix use-after-free in mtd release

Hi zhang,

zhangxiaoxu5@...wei.com wrote on Mon, 31 Jul 2023 09:35:42 +0800:

> 在 2023/7/30 19:10, Usyskin, Alexander 写道:
> > Miquel, is this patch helps with your original problem of devices not freed?
> > 
> > Zhang, is this patch helps with your problem with KAsan?  
> After this patch applied, the problem can still be reproduced.

Did you test my patch as well? Does Kasan still complain with it?

Thanks,
Miquèl