linux-kernel - Re: [PATCH] nilfs2: add ratelimiting to nilfs2 message

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Message-ID: <7312bc09-5cad-4d0e-a7f5-2891d5b0f15b@kernel.org>
Date: Fri, 27 Sep 2024 06:59:22 +0200
From: Jiri Slaby <jirislaby@...nel.org>
To: Lizhi Xu <lizhi.xu@...driver.com>,
 syzbot+8a192e8d090fa9a31135@...kaller.appspotmail.com
Cc: gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
 linux-serial@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [PATCH] nilfs2: add ratelimiting to nilfs2 message

You should have aimed this at the nilfs developers...

On 27. 09. 24, 4:13, Lizhi Xu wrote:
> Syzbot report a task hung in vcs_open.
> When rec_len too small in nilfs_check_folio, it can result in a huge flood
> of messages being sent to the console. It eventually caused tty to hung when
> retrieving the console_lock().
> 
> Reported-by: syzbot+8a192e8d090fa9a31135@...kaller.appspotmail.com
> Closes: https://syzkaller.appspot.com/bug?extid=8a192e8d090fa9a31135
> Signed-off-by: Lizhi Xu <lizhi.xu@...driver.com>

-- 
js
suse labs