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From: Richard Weinberger <richard@nod.at>
To: "Yang, Chenyuan" <cy54@illinois.edu>
Cc: linux-mtd <linux-mtd@lists.infradead.org>,
	 Miquel Raynal <miquel.raynal@bootlin.com>,
	 Vignesh Raghavendra <vigneshr@ti.com>,
	 syzkaller <syzkaller@googlegroups.com>,
	 "Zhao, Zijie" <zijie4@illinois.edu>,
	 "Zhang, Lingming" <lingming@illinois.edu>
Subject: Re: [Linux Kernel Bug] WARNING: zero-size vmalloc in ubi_read_volume_table
Date: Tue, 23 Jan 2024 17:15:41 +0100 (CET)	[thread overview]
Message-ID: <1461336945.270251.1706026541359.JavaMail.zimbra@nod.at> (raw)
In-Reply-To: <1433EB7A-FC89-47D6-8F47-23BE41B263B3@illinois.edu>

Chenyuan,

----- Ursprüngliche Mail -----
> Von: "Yang, Chenyuan" <cy54@illinois.edu>
> An: "linux-mtd" <linux-mtd@lists.infradead.org>, "richard" <richard@nod.at>, "Miquel Raynal"
> <miquel.raynal@bootlin.com>, "Vignesh Raghavendra" <vigneshr@ti.com>
> CC: "syzkaller" <syzkaller@googlegroups.com>, "Zhao, Zijie" <zijie4@illinois.edu>, "Zhang, Lingming"
> <lingming@illinois.edu>
> Gesendet: Dienstag, 23. Januar 2024 16:30:59
> Betreff: Re: [Linux Kernel Bug] WARNING: zero-size vmalloc in ubi_read_volume_table

> Dear Linux Kernel Developers for UBI,
> 
> I am writing to inquire if there have been any updates regarding the crash issue
> previously discussed. I would like to suggest a potential solution: adding a
> check for the malloc size could possibly prevent crashes caused by zero-size
> vmalloc.
> 
> Your insights on this matter would be greatly appreciated. Thank you for your
> time and dedication

Before we add a check, what MTD are you using?
Can you share the parameters? Erase size, etc...

Thanks,
//richard

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Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

  reply	other threads:[~2024-01-23 16:16 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <PH7PR11MB57682489034B17034C021B04A06B2@PH7PR11MB5768.namprd11.prod.outlook.com>
2024-01-23 15:30 ` [Linux Kernel Bug] WARNING: zero-size vmalloc in ubi_read_volume_table Yang, Chenyuan
2024-01-23 16:15   ` Richard Weinberger [this message]
2024-01-23 16:39     ` Yang, Chenyuan
     [not found]       ` <1365676233.271004.1706041442841.JavaMail.zimbra@nod.at>
2024-01-23 22:44         ` Yang, Chenyuan
2024-01-24  9:30           ` Richard Weinberger

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