linux-kernel - Re: [syzbot] [fs?] INFO: task hung in eventpoll_release

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Message-ID: <CANp29Y4cg6HB0dw_4mO05ibiAv2GkdnMksQozSGiBrwan9JvYA@mail.gmail.com>
Date:   Tue, 2 May 2023 22:08:44 +0200
From:   Aleksandr Nogikh <nogikh@...gle.com>
To:     "Theodore Ts'o" <tytso@....edu>
Cc:     syzbot <syzbot+e6dab35a08df7f7aa260@...kaller.appspotmail.com>,
        brauner@...nel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        viro@...iv.linux.org.uk
Subject: Re: [syzbot] [fs?] INFO: task hung in eventpoll_release_file

Hi Ted,

On Sun, Apr 30, 2023 at 8:34 AM Theodore Ts'o <tytso@....edu> wrote:
>
> #syz set subsystem: fs
>
> This somehow got tagged with the ext4 label, and not the fs label.
> (And this is not the first one I've noticed).  I'm beginning to
> suspect there may have been some syzbot database hiccup?  Anyway,
> fixing...

FWIW one of this bug's crashes was attributed to ext4 [1] and syzbot's
logic in this case was to prefer a more specific subsystem (ext4) to a
more generic one (fs), even if it's not mentioned in the majority of
crashes.

[1] https://syzkaller.appspot.com/text?tag=CrashReport&x=171abfaac80000

-- 
Aleksandr
>
>                                                 - Ted
>
> --