linux-kernel - Re: kernel BUG in ext4

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Message-ID: <bcad7602-890c-d7ce-1b01-2b3ef82674d9@linaro.org>
Date:   Thu, 19 May 2022 08:40:49 -0700
From:   Tadeusz Struk <tadeusz.struk@...aro.org>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-ext4@...r.kernel.org, lkml <linux-kernel@...r.kernel.org>,
        linux-fsdevel@...r.kernel.org
Subject: Re: kernel BUG in ext4_writepages

On 5/19/22 05:23, Jan Kara wrote:
> Hi!
> 
> On Tue 10-05-22 15:28:38, Tadeusz Struk wrote:
>> Syzbot found another BUG in ext4_writepages [1].
>> This time it complains about inode with inline data.
>> C reproducer can be found here [2]
>> I was able to trigger it on 5.18.0-rc6
>>
>> [1] https://syzkaller.appspot.com/bug?id=a1e89d09bbbcbd5c4cb45db230ee28c822953984
>> [2] https://syzkaller.appspot.com/text?tag=ReproC&x=129da6caf00000
> 
> Thanks for report. This should be fixed by:
> 
> https://lore.kernel.org/all/20220516012752.17241-1-yebin10@huawei.com/

Hi,
Thanks for info. I tested the patch, but it doesn't fix the issue.
In this case it doesn't even call ext4_convert_inline_data()

-- 
Thanks,
Tadeusz