linux-kernel - Re: [syzbot] Monthly ext4 report (May 2023)

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Message-ID: <eb35999d-dc81-44d1-fbe2-a7aa6d5f01b3@huawei.com>
Date:   Sat, 3 Jun 2023 14:20:34 +0800
From:   Baokun Li <libaokun1@...wei.com>
To:     Theodore Ts'o <tytso@....edu>
CC:     syzbot <syzbot+list5ea887c46d22b2acf805@...kaller.appspotmail.com>,
        <adilger.kernel@...ger.ca>, <linux-ext4@...r.kernel.org>,
        <linux-fsdevel@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <syzkaller-bugs@...glegroups.com>,
        yangerkun <yangerkun@...wei.com>,
        Baokun Li <libaokun1@...wei.com>
Subject: Re: [syzbot] Monthly ext4 report (May 2023)

On 2023/6/3 12:30, Theodore Ts'o wrote:
> On Sat, Jun 03, 2023 at 10:05:44AM +0800, Baokun Li wrote:
>> There are many sources of syzkaller issues, and the patches I send out
>> to fix syzkaller issues add Reported-by to all but the ones that fix issues
>> reported by our internal syzbot.
>> However, there may be multiple syzbot reports for the same issue.
> Yes, that happens a lot especially for Lockdep reports; depending on
> how the reproducer triggers the locks in which order, there can often
> be multiple different lockdep signatures, and Syzkaller can't tell
> that they are all the same thing.
>
> I tend to focus on syzbot reproducers on the upstream Linux instance,
> rather than the Android-5.15 syzkaller instance.  And that allows me
> to use the ext4 subsystem dashboard available at:
>
> 	https://syzkaller.appspot.com/upstream/s/ext4
>
> It's against this list of reports that the Monthly ext4 report is
> generated.  So if people who are submitting fixes against syzkaller
> reports, it would be nice if they were to check the ext4 dashboard
> above to look for syzbot reports that might be also relevant to your
> patch.
>
> Thanks,
>
> 					- Ted
>
OK, later to fix any ext4 issue, I will check if the issue is in the ext4
subsystem dashboard.

Thanks!
-- 
With Best Regards,
Baokun Li
.