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Subject: Re: [PATCH v2] ext4: fix kernel BUG in 'ext4_write_inline_data_end()'
To:     Jun Nie <jun.nie@linaro.org>, Ye Bin <yebin@huaweicloud.com>
References: <20221206144134.1919987-1-yebin@huaweicloud.com>
 <CABymUCN-WC5aCpVestRFpXVgZobxs48crUDX2419yvXxLgyjRQ@mail.gmail.com>
CC:     <tytso@mit.edu>, <adilger.kernel@dilger.ca>,
        <linux-ext4@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <jack@suse.cz>,
        <syzbot+4faa160fa96bfba639f8@syzkaller.appspotmail.com>
From:   "yebin (H)" <yebin10@huawei.com>
Message-ID: <63904686.3010903@huawei.com>
Date:   Wed, 7 Dec 2022 15:53:42 +0800
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On 2022/12/7 14:44, Jun Nie wrote:
> Hi Bin,
>
> Thanks for the patch! The bug is reproduced with this patch. I can
> help trigger another
> test when you have new patch.
> https://syzkaller.appspot.com/text?tag=CrashLog&x=16760797880000

The cause of this issue is different from that of the previous issue.
I analyze that the issue 
"https://syzkaller.appspot.com/text?tag=CrashLog&x=16760797880000 "
is caused by the concurrency of  inline data conversion and buffer 
write. To be honest, I haven't
thought of any good solution.

>
> Regards,
> Jun
> .