linux-ext4 - Re: [PATCH 0/5] ext4/overlayfs: fiemap related fixes

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Message-Id: <20200521060833.855415204F@d06av21.portsmouth.uk.ibm.com>
Date:   Thu, 21 May 2020 11:38:32 +0530
From:   Ritesh Harjani <riteshh@...ux.ibm.com>
To:     Murphy Zhou <jencce.kernel@...il.com>
Cc:     linux-ext4@...r.kernel.org, jack@...e.cz, tytso@....edu,
        adilger@...ger.ca, darrick.wong@...cle.com, hch@...radead.org,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        "Aneesh Kumar K . V" <aneesh.kumar@...ux.ibm.com>,
        Miklos Szeredi <miklos@...redi.hu>,
        Amir Goldstein <amir73il@...il.com>,
        linux-fsdevel@...r.kernel.org, linux-unionfs@...r.kernel.org
Subject: Re: [PATCH 0/5] ext4/overlayfs: fiemap related fixes

Hello Murphy,

On 5/19/20 8:13 AM, Murphy Zhou wrote:
> On Thu, Apr 23, 2020 at 04:17:52PM +0530, Ritesh Harjani wrote:
>> Hello All,
>>
>> Here are some changes, which as I understand, takes the right approach in fixing
>> the offset/length bounds check problem reported in threads [1]-[2].
>> These warnings in iomap_apply/ext4 path are reported after ext4_fiemap()
>> was moved to use iomap framework and when overlayfs is mounted on top of ext4.
>> Though the issues were identified after ext4 moved to iomap framework, but
>> these changes tries to fix the problem which are anyways present in current code
>> irrespective of ext4 using iomap framework for fiemap or not.
> 
> Ping?

It's superseded by below mentioned patch series.
Please follow below thread.
https://lore.kernel.org/linux-ext4/20200520032837.GA2744481@mit.edu/T/#t

-ritesh