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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Richard Weinberger <richard@nod.at>
Cc: ZhaoLong Wang <wangzhaolong1@huawei.com>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Artem Bityutskiy <Artem.Bityutskiy@nokia.com>,
	dpervushin <dpervushin@embeddedalley.com>,
	linux-mtd <linux-mtd@lists.infradead.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	chengzhihao1 <chengzhihao1@huawei.com>,
	yi zhang <yi.zhang@huawei.com>, yangerkun <yangerkun@huawei.com>
Subject: Re: [PATCH v3] mtd: Fix gluebi NULL pointer dereference caused by ftl notifier
Date: Sun, 29 Oct 2023 14:50:33 +0100	[thread overview]
Message-ID: <20231029145033.0ad2682a@xps-13> (raw)
In-Reply-To: <174426702.13324.1698438610904.JavaMail.zimbra@nod.at>

Hi Richard,

richard@nod.at wrote on Fri, 27 Oct 2023 22:30:10 +0200 (CEST):

> ----- Ursprüngliche Mail -----
> > Von: "Miquel Raynal" <miquel.raynal@bootlin.com>  
> >> Detailed reproduction information available at the link[1],
> >> 
> >> The solution for the gluebi module is to run jffs2 on the UBI
> >> volume without considering working with ftl or mtdblock.[2].  
> > 
> > I am sorry but ftl, gluebi, mtdblock, jffs2 and ubi in the same report
> > seem a little bit fuzzy. Are you sure about this sentence?  
> 
> ZhaoLong Wang found an interesting bug while stacking various MTD components.
> I suggested to just deny mtdblock on top of gluebi to avoid the whole
> problem class instead of adding more duct tape.

Ack. I'll queue this once the log fixed and your official Ack-by
received for mtd/next after -rc1 is out.

Thanks,
Miquèl

> 
> Thanks,
> //richard
> 
> The issue reminds me of one of my favorite Monty Python sketches, https://www.youtube.com/watch?v=LFrdqQZ8FFc
> ;-)

:-)

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  reply	other threads:[~2023-10-29 13:50 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-27  1:20 [PATCH v3] mtd: Fix gluebi NULL pointer dereference caused by ftl notifier ZhaoLong Wang
2023-10-27  3:23 ` Zhihao Cheng
2023-10-27 17:40 ` Miquel Raynal
2023-10-27 20:30   ` Richard Weinberger
2023-10-29 13:50     ` Miquel Raynal [this message]
2023-10-29 15:39       ` Richard Weinberger
2023-12-19 14:36         ` ZhaoLong Wang
2023-12-19 14:44           ` Miquel Raynal
2023-12-20  2:15             ` ZhaoLong Wang

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